CUMMINS L10 SERIES ENGINES TROUBLESHOOTING AND SERVICE REPAIR MANUAL
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CUMMINS L10 SERIES ENGINES TROUBLESHOOTING AND SERVICE REPAIR MANUAL
- This manual provides instructions for troubleshooting and repairing the L10 Engine in the chassis. Component and assembly rebuild procedures are provided in the L10 Engine Shop Manual. Refer to page 2 in the Introduction for instructions on how to use this manual. The manual is organized to guide a service technician through the logical steps of identifying and correcting problems related to the engine.
- This manual does not cover vehicle or equipment probiems. Consult the vehicle or equipment manufacturer for repair procedures. The repair procedures used in this manual are recommended by Cummins Engine Company, Inc. Some service procedures require the use of special service tools. Use the correct tools as described.
- The information, specifications, and recommended repair procedures in this publication are based on the information in effect at the time this manual was printed. Cummins Engine Company, Inc. reserves the right to make changes at any time without notice. Reporting of errors, omissions, and recommendations for improving this publication is encouraged. Please send all suggestions and comments to:
TABLE OF CONTENTS:
CUMMINS L10 SERIES ENGINES TROUBLESHOOTING AND SERVICE REPAIR MANUAL
MAIN MENU............................................................................................................. 0 COVER PAGE............................................................................................................ 1 FOREWORD.............................................................................................................. 2 TABLE OF CONTENTS..................................................................................................... 3 SECTION I - INTRODUCTION.............................................................................................. 4 ABOUT THE MANUAL.................................................................................................. 5 HOW TO USE THE MANUAL............................................................................................. 5 SYMBOLS USED IN THIS MANUAL....................................................................................... 6 ILLUSTRATIONS..................................................................................................... 10 DEFINITION OF TERMS............................................................................................... 11 GENERAL REPAIR INSTRUCTIONS....................................................................................... 12 GENERAL CLEANING INSTRUCTIONS..................................................................................... 13 SOLVENT AND ACID CLEANING..................................................................................... 13 STEAM CLEANING................................................................................................ 13 GLASS OR PLASTIC BEAD CLEANING................................................................................ 13 SECTION E - ENGINE IDENTIFICATION..................................................................................... 14 ENGINE DATAPLATE.................................................................................................. 15 ENGINE SPECIFICATIONS............................................................................................. 16 GENERAL ENGINE DATA........................................................................................... 16 AIR INDUCTION SYSTEM.......................................................................................... 17 LUBRICATING OIL SYSTEM........................................................................................ 17 COOLING SYSTEM................................................................................................ 17 EXHAUST SYSTEM................................................................................................ 18 FUEL SYSTEM................................................................................................... 18 ELECTRICAL SYSTEM............................................................................................. 18 BATTERIES (SPECIFIC GRAVITY).................................................................................. 18 ENGINE DIAGRAMS................................................................................................... 19 CONVENTIONAL AFTERCOOLING..................................................................................... 19 OPTIMIZED AFTERCOOLING........................................................................................ 20 SECTION T - TROUBLESHOOTING........................................................................................... 21 PROCEDURES AND TECHNIQUES......................................................................................... 21 TROUBLESHOOTING SYMPTOMS.......................................................................................... 22 AIR COMPRESSOR OPERATES WITH EXCESSIVE NOISE.................................................................. 23 AIR COMPRESSOR PUMPING EXCESSIVE LUBRICATING OIL INTO AIR SYSTEM.............................................. 24 AIR COMPRESSOR AIR PRESSURE RISES SLOWLY...................................................................... 25 AIR COMPRESSOR WILL NOT MAINTAIN ADEQUATE AIR PRESSURE (NOT PUMPING CONTINUOUSLY)............................. 26 AIR COMPRESSOR WILL NOT PUMP AIR PRESSURE..................................................................... 27 AIR COMPRESSOR WILL NOT STOP PUMPING AIR...................................................................... 28 ALTERNATOR MALFUNCTIONING..................................................................................... 29 CONNECTING ROD BEARING NOISE.................................................................................. 30 COOLANT IN THE LUBRICATING OIL................................................................................ 31 COOLANT LOSS (EXTERNAL)....................................................................................... 32 COOLANT LOSS (INTERNAL)....................................................................................... 34 COOLANT LOSS (OVERFLOW)....................................................................................... 35 COOLANT TEMPERATURE ABOVE NORMAL.............................................................................. 36 COOLANT TEMPERATURE BELOW NORMAL.............................................................................. 40 ENGINE CRANKCASE GASES (BLOWBY) - EXCESSIVE................................................................... 42 ENGINE CRANKS, BUT WILL NOT START (NO EXHAUST SMOKE).......................................................... 43 ENGINE DECELERATES POORLY..................................................................................... 45 ENGINE HARD TO START OR WILL NOT START (EXHAUST SMOKE PRESENT)................................................ 46 ENGINE POWER OUTPUT LOW*...................................................................................... 48 ENGINE NOISE - EXCESSIVE*..................................................................................... 52 ENGINE RUNS ROUGH OR MISFIRES IN OPERATING RANGE (WARM ENGINE)................................................ 53 ENGINE STARTS BUT WILL NOT KEEP RUNNING....................................................................... 55 ENGINE SURGES AT HIGH IDLE.................................................................................... 57 ENGINE SURGES AT LOW IDLE..................................................................................... 58 ENGINE SURGES UNDER LOAD AT RATED RPM AND LOAD................................................................ 59 ENGINE VIBRATION - EXCESSIVE.................................................................................. 60 ENGINE WILL NOT CRANK OR CRANKS SLOWLY........................................................................ 61 ENGINE WILL NOT SHUT OFF...................................................................................... 62 EXCESSIVE WHITE SMOKE AT IDLE................................................................................. 63 EXHAUST SMOKE UNDER LOAD - EXCESSIVE.......................................................................... 65 FUEL CONSUMPTION - EXCESSIVE.................................................................................. 67 FUEL IN COOLANT............................................................................................... 68 FUEL IN THE LUBRICATING OIL................................................................................... 69 IDLE - ROUGH.................................................................................................. 70 LUBRICATING OIL CONSUMPTION - EXCESSIVE....................................................................... 72 LUBRICATING OR HYDRAULIC OIL IN THE COOLANT................................................................... 74 LUBRICATING OIL PRESSURE - HIGH............................................................................... 75 LUBRICATING OIL PRESSURE - LOW................................................................................ 76 LUBRICATING OIL SLUDGE IN THE CRANKCASE - EXCESSIVE........................................................... 78 LUBRICATING OIL TEMPERATURE ABOVE NORMAL...................................................................... 79 MAIN BEARING NOISE............................................................................................ 80 PISTON NOISE.................................................................................................. 81 POOR ACCELERATION/RESPONSE**.................................................................................. 82 SURGE IN TOP GEAR - ROAD SPEED GOVERNOR NOT SET CORRECTLY..................................................... 84 TURBOCHARGER LEAKS (ENGINE OIL OR FUEL)....................................................................... 85 TURBOCHARGER NOISE............................................................................................ 86 VARIABLE SPEED (VS) GOVERNOR SURGE - ENGINE UNDER LOAD........................................................ 87 VARIABLE SPEED (VS) GOVERNOR (FUEL LEAKAGE AT)................................................................ 88 VARIABLE SPEED (VS) GOVERNOR SPEED NOT SET CORRECTLY.......................................................... 89 WHITE SMOKE - GENERAL INFORMATION............................................................................. 90 GENERAL ENGINE NOISE DIAGNOSTIC PROCEDURES.................................................................... 91 DRIVEABILITY - GENERAL INFORMATION............................................................................ 92 SECTION 1 - COOLING SYSTEM............................................................................................ 93 COOLING SYSTEM.................................................................................................... 96 SERVICE TOOLS................................................................................................. 96 TEST FOR AIR OR COMBUSTION GASES..............................................................................113 COMBUSTION GAS TEST.......................................................................................114 FAN, SHUTTER, OR HEATER AIR CONTROL VALVE - CHECK.........................................................117 AIR COMPRESSOR - CHECK....................................................................................118 GENERAL INFORMATION............................................................................................... 98 COOLING SYSTEM SPECIFICATIONS..................................................................................... 99 FLEETGUARD PRODUCTS FOR CUMMINS ENGINES (A)...................................................................100 DCA4 MAINTENANCE GUIDE........................................................................................101 COOLING SYSTEM FLOW DIAGRAMS......................................................................................102 COOLING SYSTEM VENTING ...........................................................................................104 COOLING SYSTEM, MAINTENANCE.......................................................................................105 WATER.........................................................................................................105 ANTIFREEZE....................................................................................................105 ANTIFREEZE CONCENTRATION - CHECK..............................................................................105 COOLANT ADDITIVES AND FILTERS.................................................................................106 SOLUBLE OILS..................................................................................................106 SEALING ADDITIVES.............................................................................................106 COOLING SYSTEM, DRAIN............................................................................................106 COOLING SYSTEM, FILL..............................................................................................107 DIESEL COOLANT ADDITIVES (DCA4)...................................................................................109 COOLING SYSTEM TEST KIT.......................................................................................110 COOLING SYSTEM, CLEAN.............................................................................................110 SYSTEM FLUSING................................................................................................110 PRESSURE TEST THE COOLING SYSTEM..................................................................................119 COOLANT FILTER....................................................................................................120 REPLACE.......................................................................................................120 HOSES.............................................................................................................121 CHECK.........................................................................................................121 COOLANT TEMPERATURE GAUGE ........................................................................................121 CHECK.........................................................................................................121 RADIATOR PRESSURE CAP ............................................................................................121 CHECK.........................................................................................................121 RADIATOR..........................................................................................................122 INSPECT.......................................................................................................122 RADIATOR SHUTTERS ................................................................................................123 INSPECT.......................................................................................................123 FAN, SHROUD, SPACER AND PULLEY....................................................................................123 FAN - INSPECT.................................................................................................123 FAN SHROUD - INSPECT..........................................................................................124 FAN SPACER AND PULLEY - INSPECT...............................................................................125 FAN DRIVE BELT....................................................................................................125 INSPECT.......................................................................................................125 REMOVE....................................................................................................125 INSTALL...................................................................................................126 FAN CLUTCH (GEAR DRIVEN)..........................................................................................127 INSPECT, REPLACE..............................................................................................127 CHECK OPERATION...........................................................................................127 HOLSET GEAR DRIVEN FAN CLUTCH - INSPECT...................................................................129 FAN CLUTCH - REPLACE......................................................................................129 REMOVE (LOW MOUNT)........................................................................................129 REMOVE (HIGH MOUNT).......................................................................................130 INSTALL (LOW MOUNT).......................................................................................130 INSTALL (HIGH MOUNT)......................................................................................131 TEMPERATURE SENSOR................................................................................................133 FAN CLUTCH, GEAR DRIVEN.......................................................................................133 REMOVE....................................................................................................133 TEST......................................................................................................134 INSTALL...................................................................................................135 SOLENOID VALVE ...................................................................................................136 FAN CLUTCH, GEAR DRIVEN.......................................................................................136 REMOVE....................................................................................................136 TEST......................................................................................................136 INSTALL...................................................................................................136 FAN CLUTCH (VISCOUS)..............................................................................................137 INSPECT, REPLACE..............................................................................................137 REMOVE....................................................................................................137 INSTALL...................................................................................................138 FAN HUB, BELT DRIVEN-REPLACE......................................................................................138 REMOVE........................................................................................................138 INSTALL.......................................................................................................139 IDLER PULLEY, FAN DRIVE BELT......................................................................................139 REPLACE.......................................................................................................139 REMOVE....................................................................................................140 INSTALL...................................................................................................140 THERMOSTAT........................................................................................................141 REPLACE.......................................................................................................144 REMOVE (CONVENTIONAL AFTERCOOLING)........................................................................145 INSPECT...................................................................................................145 THERMOSTAT SEAL - REPLACE.................................................................................146 INSTALL (CONVENTIONAL AFTERCOOLING).......................................................................146 REMOVE (OPTIMIZED AFTERCOOLING)...........................................................................147 CLEAN AND INSPECT.........................................................................................147 INSTALL (OPTIMIZED AFTERCOOLING)..........................................................................148 TEST..........................................................................................................141 THERMOSTAT LEAKAGE AND OPENING TEMPERATURE - TEST "IN CHASSIS"............................................141 REMOVED THERMOSTAT OPENING TEMPERATURE TEST...............................................................143 CONVENTIONAL AFTERCOOLING THERMOSTAT......................................................................143 OPTIMIZED AFTERCOOLING THERMOSTAT.........................................................................144 THERMOSTAT HOUSING SUPPORT (CONVENTIONAL AFTERCOOLING)............................................................148 REPLACE.......................................................................................................148 REMOVE....................................................................................................148 CLEAN AND INSPECT.........................................................................................149 INSTALL...................................................................................................149 THERMOSTAT HOUSING (OPTIMIZED AFTERCOOLING).......................................................................151 REPLACE.......................................................................................................151 REMOVE....................................................................................................151 CLEAN AND INSPECT.........................................................................................152 INSTALL...................................................................................................152 WATER PUMP........................................................................................................154 REPLACE.......................................................................................................154 REMOVE....................................................................................................154 CONVENTIONAL AFTERCOOLING.................................................................................155 OPTIMIZED AFTERCOOLING....................................................................................155 CLEAN AND INSPECT.........................................................................................155 INSTALL...................................................................................................156 OIL SEAL - INSTALL........................................................................................156 PULLEY - INSTALL..........................................................................................157 WATER HEATER HOUSING .............................................................................................157 REPLACE.......................................................................................................157 REMOVE....................................................................................................157 CLEAN AND INSPECT.........................................................................................158 INSTALL...................................................................................................158 WATER HEADER PLATE ...............................................................................................159 REPLACE.......................................................................................................159 REMOVE....................................................................................................159 CLEAN AND INSPECT.........................................................................................159 INSTALL...................................................................................................159 WATER FILTER HEAD ................................................................................................161 REPLACE.......................................................................................................161 REMOVE....................................................................................................161 CLEAN AND INSPECT.........................................................................................161 INSTALL...................................................................................................162 CYLINDER HEAD COVER PLATE.........................................................................................163 REPLACE.......................................................................................................163 REMOVE....................................................................................................163 CLEAN AND INSPECT.........................................................................................163 INSTALL...................................................................................................164 CYLINDER BLOCK AND LINER SEATS....................................................................................164 INSPECT FOR COOLANT LEAKS.....................................................................................164 INSPECT FOR COOLANT LEAKS.....................................................................................164 RADIATOR BAFFLE LEAKAGE (OPTIMIZED AFTERCOOLING ONLY..............................................................165 CHECK.........................................................................................................165 VERTICAL FLOW RADIATOR (TWO-PASS).........................................................................165 HORIZONTAL FLOW RADIATOR..................................................................................166 VERTICAL FLOW RADIATOR (THREE-PASS).......................................................................166 RADIATOR CHECK VALVE LEAKAGE .....................................................................................167 CHECK.........................................................................................................167 TORQUE CONVERTER COOLER...........................................................................................169 CONVENTIONAL AFTERCOOLING.....................................................................................169 OPTIMIZED AFTERCOOLING........................................................................................170 COOLING SYSTEM DIAGNOSTIC PROCEDURES..............................................................................170 TEST SET-UP...................................................................................................171 OPERATIONAL INSTRUCTION FOR DIAGNOSTIC KIT....................................................................172 OPERATIONAL TEST..............................................................................................173 ANALYZING THE DATA............................................................................................175 OPERATIONAL WORKSHEET.........................................................................................177 RADIATOR INTERNAL BLOCKAGE........................................................................................178 CHECK (OAC ENGINE RADIATORS ONLY).............................................................................178 ENGINE UPLIFT INSTRUCTIONS................................................................................178 TEST PROCEDURE............................................................................................179 SECTION 2 - LUBRICATING OIL SYSTEM....................................................................................182 LUBRICATING OIL SYSTEM............................................................................................184 SERVICE TOOLS.................................................................................................184 GENERAL INFORMATION...............................................................................................185 LUBRICATING OIL SYSTEM SPECIFICATIONS.............................................................................186 LUBRICATING OIL SYSTEM FLOW DIAGRAMS..............................................................................187 OIL PRESSURE GAUGE ...............................................................................................188 CHECK.........................................................................................................188 TEST......................................................................................................188 OIL TEMPERATURE GAUGE ............................................................................................188 CHECK.........................................................................................................188 INSTALL...................................................................................................188 TEST......................................................................................................188 OIL LEAKS (EXTERNAL)..............................................................................................189 CHECK.........................................................................................................189 INTERNAL ENGINE DAMAGE ...........................................................................................190 CHECK.........................................................................................................190 LUBRICATING OIL ANALYSIS..................................................................................190 LUBRICATING OIL FILTER - INSPECT..........................................................................191 CRANKCASE BREATHER AND TUBE.......................................................................................191 REPLACE.......................................................................................................191 DISASSEMBLE...............................................................................................191 CLEAN.....................................................................................................191 INSPECT...................................................................................................192 ASSEMBLE..................................................................................................192 DISASSEMBLE...............................................................................................192 INSPECT...................................................................................................193 ASSEMBLE..................................................................................................193 DISASSEMBLE...............................................................................................194 CLEAN.....................................................................................................194 INSPECT...................................................................................................194 ASSEMBLE..................................................................................................194 CRANKCASE BREATHER TUBE -REMOVE...........................................................................194 CLEAN.....................................................................................................195 INSPECT...................................................................................................195 INSTALL...................................................................................................195 DRAIN THE OIL PAN ................................................................................................195 FILL THE OIL PAN..................................................................................................195 OIL FILTERS (FULL FLOW AND BYPASS)................................................................................196 REPLACE.......................................................................................................196 OIL FILTER HEAD ..................................................................................................198 REPLACE.......................................................................................................198 REMOVE....................................................................................................198 CLEAN AND INSPECT.........................................................................................198 INSTALL...................................................................................................199 OIL PAN ..........................................................................................................200 REPLACE.......................................................................................................200 REMOVE....................................................................................................200 CLEAN AND INSPECT.........................................................................................200 INSTALL...................................................................................................201 OIL TRANSFER TUBE.................................................................................................202 REPLACE.......................................................................................................202 REMOVE....................................................................................................202 CLEAN AND INSPECT.........................................................................................202 INSTALL...................................................................................................203 HIGH OIL PRESSURE REGULATOR.......................................................................................203 REPLACE.......................................................................................................203 CHECK CUP PLUG INSTALLED DEPTH............................................................................203 REMOVE....................................................................................................204 INSPECT...................................................................................................204 INSTALL...................................................................................................205 MAIN OIL PRESSURE REGULATOR ......................................................................................206 REPLACE.......................................................................................................206 REMOVE....................................................................................................206 INSPECT...................................................................................................206 INSTALL...................................................................................................208 DIPSTICK .........................................................................................................208 CALIBRATE.....................................................................................................208 DIPSTICK TUBE AND HOUSING ........................................................................................209 REPLACE.......................................................................................................209 REMOVE....................................................................................................209 CLEAN AND INSPECT.........................................................................................210 INSTALL...................................................................................................210 OIL COOLER........................................................................................................210 REPLACE.......................................................................................................210 REMOVE....................................................................................................211 CLEAN.....................................................................................................211 PRESSURE TEST.............................................................................................212 INSTALL...................................................................................................213 OIL PUMP..........................................................................................................213 REPLACE.......................................................................................................213 REMOVE....................................................................................................213 CLEAN AND INSPECT.........................................................................................214 INSTALL...................................................................................................215 SECTION 3 - COMBUSTION AIR SYSTEM.....................................................................................217 COMBUSTION AIR SYSTEM.............................................................................................218 SERVICE TOOLS.................................................................................................218 GENERAL INFORMATION...............................................................................................219 COMBUSTION AIR SYSTEM SPECIFICATIONS..............................................................................220 AIR INDUCTION SYSTEM..........................................................................................220 EXHAUST SYSTEM................................................................................................220 COMBUSTION AIR SYSTEM FLOW DIAGRAMS...............................................................................221 TURBOCHARGER TURBINE SEAL LEAKS...................................................................................222 CHECK.........................................................................................................222 CORRECT TURBOCHARGER INSTALLED....................................................................................223 CHECK.........................................................................................................223 INTAKE AIR RESTRICTION............................................................................................224 CHECK.........................................................................................................224 EXHAUST AIR RESTRICTION...........................................................................................225 CHECK.........................................................................................................225 AIR LEAKS ........................................................................................................226 CHECK.........................................................................................................226 TURBOCHARGER BLADE DAMAGE ........................................................................................228 CHECK.........................................................................................................228 TURBOCHARGER AXIAL AND RADIAL CLEARANCE...........................................................................229 CHECK.........................................................................................................229 TURBINE WHEEL - CHECK.........................................................................................230 COMPRESSOR IMPELLER - CHECK...................................................................................230 AXIAL CLEARANCE - CHECK.......................................................................................230 TURBOCHARGER......................................................................................................231 REPLACE.......................................................................................................231 REMOVE....................................................................................................231 CLEAN AND INSPECT.........................................................................................232 INSTALL...................................................................................................234 SECTION 4 - COMPRESSED AIR SYSTEM.....................................................................................236 COMPRESSED AIR SYSTEM.............................................................................................237 SERVICE TOOLS.................................................................................................237 GENERAL INFORMATION...............................................................................................238 COMPRESSED AIR SYSTEM SPECIFICATIONS..............................................................................239 SINGLE CYLINDER AIR COMPRESSOR................................................................................239 TWO CYLINDER AIR COMPRESSOR...................................................................................239 COMPRESSOR SPRING FORCE SPECIFICATIONS........................................................................240 COMPRESSED AIR SYSTEM FLOW DIAGRAM................................................................................241 CARBON BUILDUP, AIR COMPRESSOR....................................................................................242 CHECK.........................................................................................................242 GASKET LEAKS, AIR COMPRESSOR......................................................................................245 CHECK.........................................................................................................245 AIR GOVERNOR AND COMPRESSOR UNLOADER VALVE........................................................................246 CHECK.........................................................................................................246 AIR COMPRESSOR WILL NOT PUMP..............................................................................246 AIR GOVERNOR......................................................................................................248 CHECK.........................................................................................................248 AIR COMPRESSOR PUMPS CONTINUOUSLY.........................................................................248 UNLOADER VALVE....................................................................................................250 CHECK.........................................................................................................250 AIR COMPRESSOR, CYLINDER HEAD.....................................................................................251 REPLACE.......................................................................................................251 REMOVE....................................................................................................251 INSTALL...................................................................................................253 AIR COMPRESSOR....................................................................................................255 REPLACE.......................................................................................................255 REMOVE....................................................................................................255 INSPECT...................................................................................................256 INSTALL...................................................................................................256 SECTION 5 - FUEL SYSTEM...............................................................................................258 FUEL SYSTEM ......................................................................................................260 SERVICE TOOLS.................................................................................................260 GENERAL INFORMATION...........................................................................................264 INSTALLATION PUBLICATIONS.....................................................................................265 FUEL SYSTEM SPECIFICATIONS........................................................................................265 BASIC APPLICATION REQUIREMENTS................................................................................265 OVERHEAD TANK INSTALLATION REQUIREMENTS.......................................................................266 FUEL OIL RECOMMENDATIONS......................................................................................269 FUEL OIL RECOMMENDED PROPERTIES...............................................................................269 FUEL SYSTEM FLOW DIAGRAMS.........................................................................................270 FUEL FLOW THROUGH FUEL PUMP...................................................................................270 INJECTOR DRIVE TRAIN..........................................................................................270 FUEL FLOW THROUGH THE PACE PUMP...............................................................................271 PT (TYPE G) AFC-CONNECTION AND ADJUSTMENT LOCATIONS...........................................................272 PT (TYPE G) AFC-VS-CONNECTION AND ADJUSTMENT LOCATIONS........................................................272 PT (TYPE G) AFC-PACE-CONNECTION AND ADJUSTMENT LOCATIONS......................................................273 PROPER USE OF FUEL SYSTEM GAUGES..................................................................................274 FUEL .............................................................................................................276 PUMP ADJUSTMENT...............................................................................................276 IDLE SPEED - ADJUSTMENT...................................................................................276 VARIABLE SPEED (VS) GOVERNOR - SPEED ADJUSTMENT...........................................................278 VARIABLE SPEED (VS) GOVERNOR - IDLE SPRING REMOVAL........................................................279 ROAD SPEED GOVERNOR - ADJUST..............................................................................280 POWER CHECK ON DYNAMOMETER................................................................................281 POWER CHECK EQUIPMENT INSTALLATION........................................................................282 POWER CHECK EQUIPMENT INSTALLATION - PACE.................................................................283 POWER CHECK OPERATION.....................................................................................285 FUEL RATE - ADJUST........................................................................................288 FUEL RATE - ADJUSTMENT - PACE.............................................................................290 AFC NO-AIR VALVE SETTING..................................................................................290 PACE SYSTEM PARAMETERS - ADJUSTMENT.......................................................................296 INJECTORS ........................................................................................................296 REPLACE.......................................................................................................296 REMOVE....................................................................................................296 INSTALL...................................................................................................298 FUEL PUMP.........................................................................................................300 REPLACE.......................................................................................................300 REMOVE....................................................................................................300 CLEAN AND INSPECT.........................................................................................301 INSTALL THE FUEL PUMP TO THE AIR COMPRESSOR...............................................................302 INSTALL THE FUEL PUMP ON THE ACCESSORY DRIVE..............................................................303 THROTTLE LEVER BREAKOVER - CHECK..........................................................................304 VARIABLE SPEED (VS) THROTTLE LINKAGE ADJUSTMENT...........................................................304 FUEL SYSTEM MAINTENANCE...........................................................................................305 FUEL FILTER - REPLACE.........................................................................................305 FUEL HOSE - INSPECT...........................................................................................306 FUEL LINES - INSPECT..........................................................................................307 FUEL TUBE BRACE - INSPECT.....................................................................................308 GEAR PUMP CHECK VALVE - REPLACEMENT...........................................................................308 VARIABLE SPEED (VS) GOVERNOR LEAKING FUEL.........................................................................309 VS GOVERNOR ADJUSTING SCREWS ARE LEAKING FUEL.................................................................309 VARIABLE SPEED (VS) THROTTLE SHAFT LEAKING FUEL...............................................................310 FUEL SHUTOFF VALVE................................................................................................313 MANUAL CONTROL................................................................................................313 INSPECT.......................................................................................................313 FUEL PUMP.........................................................................................................315 FLOW CHECK, PRIME AND ROTATION................................................................................315 FUEL FLOW AFTER THE FUEL PUMP - CHECK.....................................................................315 FUEL PUMP - PRIME.........................................................................................315 FUEL PUMP - ROTATION CHECK................................................................................316 AIR LEAKS.........................................................................................................318 CHECK.........................................................................................................318 FUEL SUCTION LINE (GEAR PUMP DRAIN).......................................................................318 FUEL SUCTION LINE - CHECK WITH SIGHT GLASS................................................................321 FUEL PUMP - CHECK.........................................................................................322 ROAD SPEED GOVERNOR - REPAIR..............................................................................322 AFC - CHECK...............................................................................................324 CYLINDER MISFIRE..................................................................................................326 LOCATE........................................................................................................326 ENGINE OIL DILUTION BY FUEL OIL...................................................................................327 BLACK LIGHT PROCEDURE - CHECK.................................................................................327 FUEL PASSAGES - PRESSURIZE....................................................................................328 FUEL LINE RESTRICTION.............................................................................................330 FUEL SUPPLY LINE RESTRICTION - CHECK..........................................................................330 FUEL DRAIN LINE RESTRICTION - CHECK...........................................................................331 FUEL CONSUMPTION CHECK............................................................................................333 LOW POWER CHECK...................................................................................................337 THROTTLE RESPONSE TIME BY ROAD TEST...............................................................................339 ENGINE STALL SPEED AND TIME CHECK.................................................................................342 CONVERTER TRANSMISSION STALL SPEED CHECK......................................................................342 TIME TO STALL OR ACCELERATION TIME - CHECK....................................................................345 STALL SPEED CHECK LIST............................................................................................347 IF THE STALL SPEED IS TOO LOW, CHECK THE FOLLOWING............................................................347 IF THE STALL SPEED IS TOO HIGH, CHECK THE FOLLOWING...........................................................348 DRIVEABILITY .....................................................................................................349 LOW POWER CHECK LIST..........................................................................................349 ENGINE FACTORS (USE DYNAMOMETER SHEET INCLUDED BELOW).............................................................350 FUEL CONSUMPTION CHECK LIST.......................................................................................351 VEHICLE FACTORS...............................................................................................352 ENGINE OR FUEL SYSTEM FACTORS.................................................................................353 SECTION 6 - ELECTRICAL SYSTEM.........................................................................................354 ELECTRICAL SYSTEM.................................................................................................355 SERVICE TOOLS.................................................................................................355 GENERAL INFORMATION...............................................................................................356 ELECTRICAL SYSTEM SPECIFICATIONS..................................................................................357 CRANKSHAFT ROTATION...............................................................................................358 CHECK.........................................................................................................358 BATTERIES.........................................................................................................358 CHECK.........................................................................................................358 BATTERY TERMINAL CONNECTIONS .....................................................................................359 CHECK.........................................................................................................359 STARTING CIRCUIT..................................................................................................359 CHECK.........................................................................................................359 MAGNETIC SWITCH - CHECK...................................................................................359 STARTER SWITCH - CHECK....................................................................................361 STARTER SOLENOID AND STARTER - CHECK......................................................................362 ALTERNATOR BELT...................................................................................................364 ADJUST........................................................................................................364 ALTERNATOR........................................................................................................365 TEST..........................................................................................................365 REPLACE.......................................................................................................366 REMOVE....................................................................................................366 INSTALL...................................................................................................367 STARTING MOTOR ...................................................................................................367 REPLACE.......................................................................................................367 REMOVE....................................................................................................367 INSTALL...................................................................................................368 SECTION 7 - BASE ENGINE COMPONENTS....................................................................................369 BASE ENGINE COMPONENTS............................................................................................373 SERVICE TOOLS.................................................................................................373 GENERAL INFORMATION...............................................................................................379 ROCKER LEVER COVER................................................................................................379 REPLACE.......................................................................................................379 REMOVE....................................................................................................379 CLEAN AND INSPECT.........................................................................................379 INSTALL...................................................................................................380 AFTERCOOLER ......................................................................................................381 PRESSURE TEST.................................................................................................384 REPLACE.......................................................................................................381 REMOVE....................................................................................................381 CLEAN AND INSPECT.........................................................................................382 INSTALL...................................................................................................382 ROCKER LEVERS ....................................................................................................384 REPLACE.......................................................................................................384 REMOVE....................................................................................................384 CLEAN AND INSPECT.........................................................................................386 INSTALL...................................................................................................387 ROCKER LEVERS - ADJUST SIDE CLEARANCE.....................................................................388 ROCKER LEVER HOUSING .............................................................................................391 REPLACE.......................................................................................................391 REMOVE....................................................................................................391 CLEAN AND INSPECT.........................................................................................392 INSTALL...................................................................................................392 PUSH RODS.........................................................................................................394 REPLACE.......................................................................................................394 REMOVE....................................................................................................394 INSPECT...................................................................................................394 INSTALL...................................................................................................395 EXHAUST MANIFOLD..................................................................................................396 REPLACE.......................................................................................................396 REMOVE....................................................................................................397 DISASSEMBLE...........................................................................................397 CLEAN AND INSPECT.....................................................................................398 ASSEMBLE..............................................................................................398 INSTALL - EARLIER PRODUCTION STYLE MANIFOLD..........................................................399 INSTALL - PRESENT PRODUCTION SYTLE MANIFOLD...........................................................399 CYLINDER HEAD ....................................................................................................400 REPLACE.......................................................................................................400 REMOVE....................................................................................................400 CLEAN AND INSPECT.........................................................................................402 INSTALL...................................................................................................404 CYLINDER HEAD ....................................................................................................407 PRESSURE TEST.................................................................................................407 CAM FOLLOWERS ....................................................................................................409 REPLACE.......................................................................................................409 REMOVE....................................................................................................409 STUDS REMOVE..............................................................................................410 CLEAN AND INSPECT.........................................................................................411 INSTALL...................................................................................................412 PISTON COOLING NOZZLES ...........................................................................................416 REPLACE.......................................................................................................416 REMOVE....................................................................................................416 INSPECT...................................................................................................417 INSTALL...................................................................................................417 PISTONS AND RINGS ................................................................................................418 REPLACE.......................................................................................................418 REMOVE....................................................................................................418 CLEAN AND INSPECT.........................................................................................421 INSTALL...................................................................................................423 CONNECTING RODS...................................................................................................428 REPLACE.......................................................................................................428 REMOVE....................................................................................................428 CLEAN AND INSPECT.........................................................................................429 INSTALL...................................................................................................431 CYLINDER LINERS ..................................................................................................433 REPLACE.......................................................................................................433 REMOVE....................................................................................................433 CLEAN AND INSPECT.........................................................................................435 INSTALL...................................................................................................437 CONNECTING ROD BEARINGS...........................................................................................443 REPLACE.......................................................................................................443 REMOVE....................................................................................................443 CLEAN AND INSPECT.........................................................................................444 INSTALL...................................................................................................446 MAIN AND THRUST BEARINGS..........................................................................................447 REPLACE.......................................................................................................447 REMOVE....................................................................................................447 CLEAN AND INSPECT.........................................................................................449 INSTALL...................................................................................................450 ACCESSORY DRIVE PULLEY ...........................................................................................454 REPLACE.......................................................................................................454 REMOVE....................................................................................................454 INSPECT...................................................................................................454 INSTALL...................................................................................................454 ALTERNATOR DRIVE PULLEY...........................................................................................455 REPLACE.......................................................................................................455 REMOVE....................................................................................................455 INSPECT...................................................................................................456 INSTALL...................................................................................................456 CRANKSHAFT PULLEY.................................................................................................456 REPLACE.......................................................................................................456 REMOVE....................................................................................................456 INSPECT...................................................................................................457 INSTALL...................................................................................................457 PRESENT PRODUCTION STYLE PULLEY...........................................................................457 EARLIER PRODUCTION STYLE PULLEY...........................................................................457 SEALS, FRONT AND REAR CRANKSHAFT..................................................................................458 REPLACE.......................................................................................................458 REAR CRANKSHAFT SEAL - REPLACE................................................................................458 INSTALL.......................................................................................................458 FRONT CRANKSHAFT SEAL (PRESENT PRODUCTION STYLE) - REPLACE....................................................460 REMOVE........................................................................................................460 INSTALL.......................................................................................................460 FRONT CRANKSHAFT SEAL (EARLIER PRODUCTION STYLE) - REPLACE....................................................461 REMOVE........................................................................................................461 INSTALL.......................................................................................................462 SEAL, ALTERNATOR DRIVE............................................................................................464 REPLACE.......................................................................................................464 REMOVE....................................................................................................464 INSTALL...................................................................................................464 SEAL, ACCESSORY DRIVE.............................................................................................465 REPLACE.......................................................................................................465 INSTALL...................................................................................................465 SEAL, FAN CLUTCH..................................................................................................466 REPLACE.......................................................................................................466 REMOVE....................................................................................................466 INSTALL...................................................................................................467 GEAR COVER .......................................................................................................467 REPLACE.......................................................................................................467 REMOVE....................................................................................................467 CLEAN AND INSPECT.........................................................................................469 INSTALL...................................................................................................470 VIBRATION DAMPER..................................................................................................472 REPLACE.......................................................................................................472 REMOVE....................................................................................................472 BELT DRIVEN FAN...........................................................................................472 GEAR DRIVEN FAN...........................................................................................473 CLEAN AND INSPECT.........................................................................................473 INSTALL...................................................................................................474 BELT DRIVEN FAN...........................................................................................474 GEAR DRIVEN FAN...........................................................................................474 CAMSHAFT GEAR.....................................................................................................475 REPLACE.......................................................................................................475 REMOVE (CAMSHAFT INSTALLED)...............................................................................475 REMOVE (CAMSHAFT REMOVED).................................................................................476 CLEAN AND INSPECT.........................................................................................476 INSTALL GEAR (CAMSHAFT REMOVED)...........................................................................478 INSTALL GEAR (CAMSHAFT INSTALLED).........................................................................480 CAMSHAFT .........................................................................................................483 REPLACE.......................................................................................................483 REMOVE....................................................................................................483 CLEAN AND INSPECT.........................................................................................484 INSTALL...................................................................................................486 CRANKSHAFT GEAR...................................................................................................489 REPLACE.......................................................................................................489 REMOVE....................................................................................................489 CLEAN AND INSPECT.........................................................................................490 INSTALL...................................................................................................491 CAMSHAFT BUSHINGS ................................................................................................492 REPLACE.......................................................................................................492 REMOVE....................................................................................................492 CLEAN AND INSPECT.........................................................................................493 INSTALL...................................................................................................494 INSTALL NUMBER SEVEN BUSHING..............................................................................494 INSTALL NUMBER SIX TRHOUGH NUMBER TWO BUSHINGS............................................................494 INSTALL NUMBER ONE BUSHING................................................................................495 IDLER GEARS ......................................................................................................496 REPLACE.......................................................................................................496 REMOVE....................................................................................................496 CLEAN AND INSPECT.........................................................................................497 INSTALL...................................................................................................499 OIL TRANSFER TUBE (ACCESSORY DRIVE)...............................................................................501 REPLACE.......................................................................................................501 REMOVE....................................................................................................501 CLEAN AND INSPECT.........................................................................................502 INSTALL...................................................................................................502 GEAR SUPPORT PLATE ...............................................................................................503 REPLACE.......................................................................................................503 REMOVE....................................................................................................503 CLEAN AND INSPECT.........................................................................................504 INSTALL...................................................................................................505 ACCESSORY DRIVE...................................................................................................507 REPLACE.......................................................................................................507 REMOVE....................................................................................................507 ACCESSORY DRIVE - INSTALL.................................................................................509 ACCESSORY DRIVE FRONT SUPPORT.....................................................................................510 REPLACE.......................................................................................................510 HYDRAULIC PUMP DRIVE..............................................................................................511 REPLACE.......................................................................................................511 REMOVE....................................................................................................511 CLEAN AND INSPECT.........................................................................................512 INSTALL...................................................................................................513 FLYWHEEL ASSEMBLY.................................................................................................514 REPLACE.......................................................................................................514 REMOVE....................................................................................................514 CLEAN AND INSPECT.........................................................................................515 FLYWHEEL RING GEAR - REPLACE..............................................................................516 REMOVE....................................................................................................516 INSTALL...................................................................................................516 INSTALL...................................................................................................517 MEASURE FLYWHEEL BORE RUNOUT..............................................................................518 MEASURE FLYWHEEL FACE RUNOUT..............................................................................519 FLYWHEEL HOUSING .................................................................................................520 REPLACE.......................................................................................................520 REMOVE....................................................................................................520 CLEAN AND INSPECT.........................................................................................522 INSTALL...................................................................................................523 MEASURE THE FLYWHEEL HOUSING BORE ALIGNMENT...............................................................523 MEASURE THE FLYWHEEL HOUSING FACE ALIGNMENT...............................................................524 FRONT ENGINE SUPPORT .............................................................................................526 REPLACE.......................................................................................................526 REMOVE....................................................................................................526 CLEAN AND INPECT..........................................................................................526 INSTALL...................................................................................................527 ENGINE LIFTING BRACKETS...........................................................................................527 REPLACE.......................................................................................................527 REMOVE....................................................................................................527 CLEAN AND INSPECT.........................................................................................527 INSTALL...................................................................................................528 INJECTION TIMING..................................................................................................528 INSTALL THE TIMING TOOL.......................................................................................528 CROSSHEADS, VALVES AND INJECTORS..................................................................................533 ADJUST........................................................................................................533 INJECTOR PRELOAD ADJUSTMENT - TOP STOP INJECTORS..............................................................535 INJECTOR PRELOAD ADJUSTMENT PROCEDURES........................................................................535 CROSSHEAD ADJUSTMENT..........................................................................................538 VALVE ADJUSTMENT..............................................................................................539 JACOBS ENGINE BRAKE - ADJUST..................................................................................541 JACOBS ENGINE BRAKE ..............................................................................................542 CHECK.........................................................................................................542 JACOBS ENGINE BRAKE ..............................................................................................545 REPLACE.......................................................................................................545 REMOVE....................................................................................................545 CLEAN AND INSPECT.........................................................................................546 INSTALL...................................................................................................547 PIPE PLUGS AND CUP PLUGS..........................................................................................550 REPLACE.......................................................................................................550 PIPE PLUGS - REMOVE.......................................................................................550 CLEAN AND INSPECT.........................................................................................550 PIPE PLUGS - INSTALL......................................................................................551 CUP PLUGS - REMOVE........................................................................................551 CLEAN AND INSPECT.........................................................................................552 CUP PLUGS - INSTALL.......................................................................................552 SECTION 8 - ENGINE TESTING ("IN-CHASSIS").............................................................................554 ENGINE TESTING ("IN-CHASSIS)......................................................................................555 SERVICE TOOLS.................................................................................................555 *GENERAL ENGINE TEST SPECIFICATIONS AND PROCEDURES................................................................556 GENERAL ENGINE TEST PROCEDURES....................................................................................556 CHASSIS DYNAMOMETER OPERATION.....................................................................................558 ENGINE RUN-IN PROCEDURE (CHASSIS DYNAMOMETER).....................................................................560 ENGINE RUN-IN PROCEDURE "IN-CHASSIS" (ON AND OFF-HIGHWAY VEHICLES.................................................562 ON-HIGHWAY....................................................................................................562 OFF-HIGHWAY...................................................................................................562 ENGINE CONFIGURATIONS AND MODELS..................................................................................564 AUTOMOTIVE MODELS.............................................................................................564 CONSTRUCTION MODELS...........................................................................................564 ENGINE CONFIGURATIONS AND MODELS..................................................................................565 AGRICULTURAL MODELS...........................................................................................565 BUS AND COACH LINE MODELS.....................................................................................565 SECTION 9 - ENGINE - REMOVE AND INSTALL...............................................................................566 ENGINE............................................................................................................567 REMOVE AND INSTALL - SERVICE TOOLS............................................................................567 REMOVE........................................................................................................568 INSTALL.......................................................................................................571 GENERAL INFORMATION...............................................................................................568 ENGINE MOUNTS.....................................................................................................571 INSPECT.......................................................................................................571 SECTION 10 - ENGINE COMPONENT SPECIFICATIONS..........................................................................574 GENERAL INFORMATION...............................................................................................576 TITLE OF PUBLICATION..........................................................................................576 CONVERSION FACTORS................................................................................................577 CAPSCREW MARKINGS AND TORQUE VALUES...............................................................................578 CAPSCREW MARKINGS AND TORQUE VALUES - METRIC..................................................................578 CAPSCREW MARKINGS AND TORQUE VALUES - U.S. CUSTOMARY..........................................................579 PIPE PLUG TORQUE VALUES...........................................................................................579 CAPSCREW USAGE INFORMATION........................................................................................580 DECIMAL AND METRIC EQUIVALENTS....................................................................................582 BELT TENSION SPECIFICATIONS.......................................................................................583 COOLING SYSTEM SPECIFICATIONS.....................................................................................584 FAN DRIVE BELT (8 RIB) (REFER TO PROCEDURE 1-20)..............................................................584 FAN CLUTCH - GEAR DRIVEN (REFER TO PROCEDURE 1-21)............................................................584 FAN DRIVE - VISCOUS (REFER TO PROCEDURE 1-24).................................................................584 FAN HUB - BELT DRIVEN (REFER TO PROCEDURE 1-25)...............................................................585 IDLER PULLEY - FAN BELT (REFER TO PROCEDURE 1-26).............................................................585 WATER PUMP (REFER TO PROCEDURE 1-31)..........................................................................585 LUBRICATING OIL SYSTEM SPECIFICATIONS.............................................................................586 HIGH OIL PRESSURE RELIEF VALVE................................................................................586 MAIN OIL PRESSURE REGULATOR (REFER TO PROCEDURE 2-17).........................................................586 OIL PUMP (REFER TO PROCEDURE 2-21)............................................................................586 COMBUSTION AIR SYSTEM SPECIFICATIONS..............................................................................587 INTAKE AIR RESTRICTION (REFER TO PROCEDURE 3-07)..............................................................587 EXHAUST AIR RESTRICTION (REFER TO PROCEDURE 3-08).............................................................587 TURBOCHARGER (REFER TO PROCEDURE 3-11)........................................................................588 COMPRESSED AIR SYSTEM SPECIFICATIONS..............................................................................589 AIR COMPRESSOR EXHAUST VALVE (REFER TO PROCEDURE 4-05)........................................................589 AIR COMPRESSOR INTAKE VALVE (REFER TO PROCEDURE 4-05).........................................................589 COMPRESSOR SPRING FORCE SPECIFICATIONS........................................................................590 FUEL SYSTEM SPECIFICATIONS........................................................................................591 ENGINE LOW IDLE SPEED (REFER TO PROCEDURE 5-05)...............................................................591 FUEL PUMP THROTTLE LEVER (REFER TO PROCEDURE 5-08)............................................................591 FUEL FILTER (REFER TO PROCEDURE 5-14).........................................................................591 FUEL DRAIN LINE (REFER TO PROCEDURE 5-14).....................................................................592 PACE COOLING PLATE (REFER TO PACE TROUBLESHOOTING AND REPAIR MANUAL, BULLETIN NO. 3810318)....................592 THROTTLE RESPONSE (REFER TO PROCEDURE 5-17)...................................................................592 ELECTRICAL SYSTEM SPECIFICATIONS..................................................................................593 BATTERIES (REFER TO PROCEDURE 6-05)...........................................................................593 ALTERNATOR BELT (5 RIB) (REFER TO PROCEDURE 6-08).............................................................593 BASE ENGINE COMPONENT SPECIFICATIONS .............................................................................594 CROSSHEADS, VALVES, AND INJECTORS - ADJUST (REFER TO PROCEDURE 7-42)..........................................596 VALVE AND INJECTOR ADJUSTMENT RECHECK SPECIFICATIONS*.........................................................596 JACOBS ENGINE BRAKE - ADJUST (REFER TO PROCEDURE 7-42)........................................................596 ROCKER LEVERS AND SHAFTS (REFER TO PROCEDURE 7-05)............................................................596 CAM FOLLOWERS (REFER TO PROCEDURE 7-11).......................................................................597 MAIN BEARINGS (REFER TO PROCEDURE 7-17).......................................................................597 CRANKSHAFT THRUST BEARING (REFER TO PROCEDURE 7-17)...........................................................597 CRANKSHAFT END CLEARANCE (REFER TO PROCEDURE 7-29)............................................................597 CONNECTING ROD BEARINGS (REFER TO PROCEDURE 7-16).............................................................597 PISTONS (REFER TO PROCEDURE 7-13).............................................................................598 CONNECTING RODS (REFER TO PROCEDURE 7-14).....................................................................598 CYLINDER LINERS (REFER TO PROCEDURE 7-15).....................................................................598 CYLINDER BLOCK CYLINDER LINER BORE (REFER TO PROCEDURE 7-15)..................................................598 IDLER GEARS (REFER TO PROCEDURE 7-31).........................................................................598 VIBRATION DAMPER (REFER TO PROCEDURE 7-26)....................................................................599 CRANKSHAFT GEAR (REFER TO PROCEDURE 7-29).....................................................................599 CAMSHAFT (REFER TO PROCEDURE 7-29)............................................................................599 CAMSHAFT GEAR (REFER TO PROCEDURE 7-21).......................................................................599 CAMSHAFT BUSHINGS (REFER TO PROCEDURE 7-30)...................................................................600 HYDRAULIC PUMP DRIVE (REFER TO PROCEDURE 7-36)................................................................600 FLYWHEEL (REFER TO PROCEDURE 7-37)............................................................................600 FLYWHEEL HOUSING (REFER TO PROCEDURE 7-38)....................................................................601 CUP PLUG DIMENSIONS (REFER TO PROCEDURE 7-45).................................................................601 CUP PLUG BORES (REFER TO PROCEDURE 7-45)......................................................................601 FRONT GEAR TRAIN BACKLASH AND END CLEARANCE SPECIFICATIONS (REFER TO PROCEDURES 7-27, 7-28, 7-29 AND 7-31)....602 INJECTION TIMING CODES (REFER TO PROCEDURE 7-41)..............................................................603 INDEX.............................................................................................................604 SECTION 12 - SERVICE LITERATURE...................................................................................609 ADDITIONAL SERVICE LITERATURE LISTING.........................................................................610 SERVICE LITERATURE - ORDERING LOCATIONS.......................................................................611 SERVICE PUBLICATIONS ORDER FORM...............................................................................613 LITERATURE ORDER SHIPPING LABEL...............................................................................619 SECTION 13 - COMPONENT MANUFACTURERS..............................................................................615 AIR CYLINDERS.................................................................................................615 AIR HEATERS...................................................................................................615 AIR STARTING MOTORS...........................................................................................615 ALTERNATORS...................................................................................................615 AUXILIARY BRAKES..............................................................................................615 BELTS.........................................................................................................615 CLUTCHES......................................................................................................615 COOLANT HEATERS...............................................................................................615 DRIVE PLATES..................................................................................................615 ELECTRIC STARTING MOTORS......................................................................................615 FANS..........................................................................................................615 FAN CLUTCHES..................................................................................................616 FILTERS.......................................................................................................616 FLEXPLATES....................................................................................................616 FUEL WARMERS..................................................................................................616 GAUGES........................................................................................................616 GOVERNORS.....................................................................................................616 HYDRAULIC AND POWER STEERING PUMPS............................................................................616 OIL HEATERS...................................................................................................616 SAFETY CONTROLS...............................................................................................616 TORQUE CONVERTERS.............................................................................................617
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