KOMATSU PC750 -7 PC750LC -7 PC750SE-7 PC800 -7 PC800SE-7 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (TEN00040-03)
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KOMATSU PC750 -7 PC750LC -7 PC750SE-7 PC800 -7 PC800SE-7 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (TEN00040-03)
- This manual provides rules and guidelines which will help you use this machine safely and effectively. The precautions in this manual must be followed at all times when performing operation and maintenance. Most accidents are caused by the failure to follow fundamental safety rules for the operation and maintenance of machines. Accidents can be prevented by knowing beforehand conditions that may cause a hazard when performing operation and maintenance.
- Operators and maintenance personnel must always do as follows before beginning operation or maintenance. Always be sure to read and understand this manual thoroughly before performing operation and maintenance. Read the safety messages given in this manual and the safety labels affixed to the machine thoroughly and be sure that you understand them fully.
- Keep this manual in the storage location for the operation and maintenance manual given below, and have all personnel read it periodically. If this manual has been lost or has become dirty and cannot be read, request a replacement manual immediately from Komatsu or your Komatsu distributor. If you sell the machine, be sure to give this manual to the new owners together with the machine.
Table of Contents:
KOMATSU PC750 -7 PC750LC -7 PC750SE-7 PC800 -7 PC800SE-7 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (TEN00040-03)
COVER .................................................................... 1 FOREWORD ................................................................. 2 FOREWORD.............................................................. 3 SAFETY INFORMATION.................................................... 4 INTRODUCTION.......................................................... 6 DIRECTIONS OF MACHINE............................................. 6 BREAKING-IN THE NEW MACHINE....................................... 6 PRODUCT INFORMATION................................................... 7 MACHINE SERIAL NUMBER PLATE AND ITS LOCATION...................... 7 ENGINE SERIAL NUMBER PLATE AND ITS LOCATION....................... 7 SERVICE METER LOCATION............................................ 8 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR....................... 8 CONTENTS.............................................................. 9 SAFETY ................................................................... 14 SAFETY................................................................ 15 SAFETY LABELS......................................................... 17 LOCATION OF SAFETY LABELS......................................... 18 SAFETY LABELS..................................................... 19 GENERAL PRECAUTIONS................................................... 25 SAFETY MACHINE OPERATION.............................................. 33 STARTING ENGINE................................................... 33 OPERATION......................................................... 35 TRANSPORTATION.................................................... 41 BATTERY........................................................... 42 TOWING............................................................ 44 LIFTING OBJECTS WITH BUCKET....................................... 45 SAFETY MAINTENANCE INFORMATION........................................ 46 OPERATION ................................................................ 54 MACHINE VIEW ILLUSTRATIONS............................................ 55 OVERALL MACHINE VIEW.............................................. 55 CONTROLS AND GAUGES............................................... 56 DETAILED CONTROLS AND GAUGES.......................................... 58 MONITORING SYSTEM................................................. 58 SWITCHES.......................................................... 81 CONTROL LEVERS AND PEDALS......................................... 88 SUN ROOF.......................................................... 91 WINDSHIELD........................................................ 92 EMERGENCY EXIT FROM OPERATOR'S CAB................................ 97 DOOR LOCK......................................................... 97 CAP WITH LOCK..................................................... 98 HOT AND COOL BOX.................................................. 99 MAGAZINE BOX...................................................... 99 ASHTRAY...........................................................100 AIR CONDITIONER CONTROLS..........................................101 RADIO.............................................................115 AUXILIARY ELECTRIC POWER..........................................120 FUSE..............................................................121 CIRCUIT BREAKER...................................................122 CONTROLLER........................................................123 TOOL BOX..........................................................123 GREASE PUMP.......................................................124 ACCUMULATOR.......................................................127 MACHINE OPERATIONS AND CONTROLS.......................................128 BEFORE STARTING ENGINE............................................128 STARTING ENGINE...................................................147 AFTER STARTING ENGINE.............................................152 STOPPING THE ENGINE...............................................160 MACHINE OPERATION.................................................161 STEERING THE MACHINE..............................................165 SWINGING..........................................................167 WORK EQUIPMENT CONTROLS AND OPERATIONS............................168 WORKING MODE......................................................170 PROHIBITED OPERATIONS.............................................171 GENERAL OPERATION INFORMATION.....................................174 TRAVELING ON SLOPES...............................................176 ESCAPE FROM MUD...................................................178 RECOMMENDED APPLICATIONS..........................................179 BUCKET REPLACEMENT................................................180 PARKING MACHINE...................................................182 CHECK AFTER SHUT OFF ENGINE.......................................183 LOCKING...........................................................184 TRANSPORTATION........................................................185 PRECAUTIONS FOR TRANSPORTATION....................................185 LIFTING MACHINE...................................................186 SHIPPING MACHINE INFORMATION......................................188 TRANSPORTATION POSTURE............................................189 PROCEDURE FOR INCREASING OR REDUCING TRACK FRAME GAUGE............195 COLD WEATHER OPERATION................................................197 COLD WEATHER OPERATION INFORMATION................................197 AFTER DAILY WORK COMPLETION.......................................200 AFTER COLD WEATHER SEASON.........................................200 LONG TERM STORAGE.....................................................201 BEFORE STORAGE....................................................201 DURING STORAGE....................................................201 AFTER STORAGE.....................................................201 STARTING MACHINE AFTER LONG-TERM STORAGE..........................202 TROUBLES AND ACTIONS..................................................203 RUNNING OUT OF FUEL...............................................203 PHENOMENA THAT ARE NOT FAILURES...................................204 TOWING THE MACHINE................................................205 SEVERE JOB CONDITION..............................................205 DISCHARGED BATTERY................................................206 OTHER TROUBLE.....................................................210 MAINTENANCE ..............................................................216 MAINTENANCE INFORMATION...............................................217 OUTLINE OF SERVICE....................................................219 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC............219 ELECTRIC SYSTEM MAINTENANCE.......................................221 WEAR PARTS............................................................222 WEAR PARTS LIST...................................................223 LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS...........................224 PROPER SELECTION..................................................224 TIGHTENING TORQUE SPECIFICATIONS......................................228 TIGHTENING TORQUE LIST............................................228 SAFETY CRITICAL PARTS.................................................229 SAFETY CRITICAL PARTS LIST........................................230 MAINTENANCE SCHEDULE..................................................231 MAINTENANCE SCHEDULE CHART........................................231 MAINTENANCE PROCEDURE.................................................233 INITIAL 100 HOURS MAINTENANCE (ONLY AFTER THE FIRST 100 HOURS)....233 INITIAL 500 HOURS MAINTENANCE (ONLY AFTER THE FIRST 500 HOURS)....233 WHEN REQUIRED.....................................................234 CHECK BEFORE STARTING.............................................257 EVERY 10 HOURS MAINTENANCE........................................258 EVERY 100 HOURS MAINTENANCE.......................................261 EVERY 250 HOURS MAINTENANCE.......................................262 EVERY 500 HOURS MAINTENANCE.......................................269 EVERY 1000 HOURS MAINTENANCE......................................282 EVERY 2000 HOURS MAINTENANCE......................................293 EVERY 4000 HOURS MAINTENANCE......................................296 EVERY 5000 HOURS MAINTENANCE......................................299 EVERY 8000 HOURS MAINTENANCE......................................302 SPECIFICATIONS ...........................................................304 SPECIFICATIONS........................................................305 ATTACHMENTS, OPTIONS .....................................................308 GENERAL PRECAUTIONS FOR SAFETY........................................309 PRECAUTIONS WHEN SELECTING........................................309 READ THE INSTRUCTION MANUAL THOROUGHLY............................309 PRECAUTIONS WHEN REMOVING OR INSTALLING...........................309 PRECAUTIONS WHEN USING............................................309 ATTACHMENT GUIDE......................................................310 COMBINATIONS OF WORK EQUIPMENT....................................310 LOADING SHOVEL ...........................................................314 EXPLANATION OF COMPONENTS.............................................315 SWITCHES..........................................................315 FUSE..............................................................318 OPERATIONS............................................................319 OPERATION OF WORK EQUIPMENT.......................................319 PRECAUTIONS DURING OPERATION......................................321 EXCAVATOR WORK....................................................325 PRECAUTIONS WHEN DISASSEMBLING MACHINE................................326 RELEASING PRESSURE................................................326 TRANSPORTATION........................................................327 MACHINE CONFIGURATION FOR TRANSPORT...............................327 WEAR PARTS............................................................328 WEAR PARTS LIST...................................................328 MAINTENANCE...........................................................329 CHECK BEFORE STARTING.............................................329 EVERY 10 HOURS MAINTENANCE........................................331 EVERY 5000 HOURS MAINTENANCE......................................332 SPECIFICATION.........................................................334 COMBINATION OF WORK EQUIPMENT.........................................335 COMBINATION OF WORK EQUIPMENT.........................................335 INDEX.....................................................................338
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⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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