Tigercat X870C LX870C FELLER BUNCHER SERVICE MANUAL – PDF DOWNLOAD
DESCRIPTION:
Tigercat X870C LX870C FELLER BUNCHER SERVICE MANUAL – PDF DOWNLOAD
INTRODUCTION:
An Operator’s manual, Service manual and a Parts catalog are made available by Tigercat to assist the
dealer, customer and operator in becoming familiar with the features of the X870C/LX870C Feller Bunchers
Serial numbers:-
X870C 87061701 TO 87062100
LX870C 87071701 TO 87072100
- The operator’s manual will assist the operator with the techniques of proper and safe operation of the
X870C/LX870C Feller Buncher. There is also important information regarding the safe operation of the saw
head. The service manual contains safety and servicing procedures and a preventive maintenance schedule to
ensure optimum machine performance. - Section 1 in both the operator’s manual and the service manual contains safety information that must be
followed. As well, throughout the rest of the manuals, WARNING and CAUTION notices are displayed where
necessary, drawing attention to possible hazards when performing certain procedures. - Only trained personnel should be allowed to operate or work on the machine.
- The information contained in this manual is current at time of printing. Improvements to the machine are
on-going and may not be covered, therefore in these cases contact your Tigercat dealer for the appropriate
information. - The phrase “and up” appearing in this manual after the serial number implies that the related information is
current for any machine serial number HIGHER than the serial number preceding the “and up”. - Tigercat reserves the right to make changes to the machine after this manual release date that may not
immediately appear in this manual.
TABLE OF CONTENTS:
Tigercat X870C LX870C FELLER BUNCHER SERVICE MANUAL – PDF DOWNLOAD
X870C LX870C SERVICE ISSUE 1.1……………………………. 1
INTRODUCTION………………………………………… 3
NON-APPROVED FIELD PRODUCT CHANGES…………………….. 5
SECTION 1 – SAFETY………………………………………. 7
BATTERY DISCONNECT SWITCH ……………………………. 19
Battery safety ……………………………………… 12
CAB EXITS ………………………………………….. 13
COOLING SYSTEM ……………………………………… 22
EMERGENCY CAB EXITS …………………………………. 13
ENGINE DOORS ……………………………………….. 24
ER BOOM SYSTEM PRECAUTIONS …………………………… 23
EXHAUST FUMES ………………………………………. 24
FELLING TREES ………………………………………. 18
FIRE PREVENTION …………………………………….. 27
DRY CHEMICAL CLEANUP PROCEDURES …………………… 31
FIRE PREVENTION GUIDELINES ……………………….. 27
WHAT TO DO AFTER A MACHINE FIRE HAS OCCURRED ……….. 30
WHAT TO DO TO PREPARE FOR A MACHINE FIRE …………… 28
WHAT TO DO WHEN A MACHINE FIRE OCCURS ……………… 29
FLUID INJECTION INJURY ………………………………. 25
FLUID LEAKS ………………………………………… 22
GREASE INJECTION INJURY ……………………………… 26
HAZARD ZONE ………………………………………… 9
HYDRAULIC PRESSURE HAZARD ……………………………. 22
LOOSE CLOTHING HAZARD ……………………………….. 22
machine stability and traction ……………………….. 15
PARKING HAZARDS …………………………………….. 19
PROTECTIVE CLOTHING …………………………………. 8
SAFETY INTERLOCK SWITCHES ON CAB DOORS ………………… 14
SAFETY PRECAUTIONS, GENERAL ………………………….. 8
SAFETY PRECAUTIONS, OPERATING ………………………… 13
SAFETY PRECAUTIONS, SERVICING ………………………… 20
SAFETY SYMBOLS ……………………………………… 8
SIGNAL WORDS ……………………………………….. 8
WELDING, PRIOR TO …………………………………… 21
Working with oil ……………………………………. 10
APPENDIX – USING HIGH SPEED DISC SAWS SAFELY……………….. 33
COMMENTS AND INSTRUCTIONS…………………………….. 33
DIRECTION OF THROW ………………………………. 39
HIGH ANGLE WRIST ROTATION ABILITY …………………. 40
RECOGNIZING THE DANGERS ………………………….. 39
THROWING LONG WOOD PIECES ………………………… 42
DANGERS ……………………………………………. 35
FORWARD ……………………………………………. 34
BE AWARE OF THE HAZARDS ………………………….. 34
OTHER INSTRUCTIONS ………………………………. 35
SAFE PRACTICES ………………………………….. 35
SEVERAL TYPES OF HEADS INVOLVED …………………… 34
STORED ENERGY …………………………………… 34
HIGH ANGLE WRIST ROTATION CAPABILITY ………………….. 41
SAW HEAD DON’TS …………………………………….. 47
TYPE OF HOUSING MAKES A DIFFERENCE ……………………. 36
SECTION 3 – LUBRICATION & MAINTENANCE……………………… 49
AIR CONDITIONING SYSTEM, CHECKING THE SYSTEM ………….. 64
AIR INTAKE MAINTENANCE ……………………………… 78
APPROVED HYDRAULIC OILS …………………………….. 60
CASE DRAIN STRAINERS ……………………………….. 76
CHECKING THE AIR CONDITIONING SYSTEM …………………. 64
EMERGENCY EXITS, CHECK MONTHLY ………………………. 53
ENGINE ARI CLEANER MAINTENANCE ………………………. 78
ER BOOM SYSTEM …………………………………….. 62
FILTER AND LUBRICATION SCHEDULE ……………………… 61
FILTERS…………………………………………….. 49
CHANGING CHARGE FILTERS …………………………. 74
CHARGE PILOT FILTER …………………………….. 74
FUEL TANK STRAINERS …………………………….. 67
HYDRAULIC OIL PRE-FILL FILTER ……………………. 71
HYDRAULIC OIL RETURN STRAINERS …………………… 75
HYDRAULIC TANK BREATHER …………………………. 76
SERVICING GUIDELINES FOR OIL FILTERS ……………… 70
FIRE PREVENTION ……………………………………. 54
FUEL TANK…………………………………………… 49
COMPONENTS …………………………………….. 67
STRAINER ………………………………………. 68
GENERAL MAINTENANCE ………………………………… 53
HYDRAULIC OIL FILTERS ………………………………. 72
HYDRAULIC OILS, APPROVED ……………………………. 60
HYDRAULIC TANK PRESSURIZATION INSTRUCTIONS ……………. 70
LUBRICATION POINTS DIAGRAM, LEVELLER …………………. 57
LUBRICATION SCHEDULE ……………………………….. 61
NEW MACHINE MAINTENANCE …………………………….. 50
FIRST 50-100 HOUR INSPECTION REPORT ………………. 50
INITIAL PRE-DELIVERY INSPECTION ………………….. 50
TIGHTENING POINTS ………………………………. 50
OIL LOST FROM LEAKAGE ………………………………. 53
OIL SAMPLE COLLECTION PROCEDURES …………………….. 52
OIL SAMPLING PROGRAM ……………………………….. 51
PRESSURE AND SPEED SETTINGS …………………………. 86
PREVENTIVE MAINTENANCE SCHEDULE ……………………… 50
PUMP DRIVE GEARBOX MAINTENANCE GUIDE …………………. 77
SCHEDULED MAINTENANCE………………………………… 49
FREQUENTLY …………………………………….. 55
8 HOURS ……………………………………….. 55
24 HOURS ………………………………………. 56
125 HOURS ……………………………………… 56
250 HOURS ……………………………………… 56
500 HOURS ……………………………………… 57
1000 HOURS …………………………………….. 58
2000 HOURS …………………………………….. 58
LUBRICATION POINTS DIAGRAM, LEVELLER ……………… 57
SWING DRIVE LUBRICATION………………………………. 49
GEARBOX LOWER BEARINGS …………………………. 63
GEARBOX UPPER GEARING …………………………… 63
SWING PINION AND SWING BEARING …………………… 63
TORQUE CHART ………………………………………. 80
TORQUE CHART, GENERAL ………………………………. 81
TORQUE, FLUID CONNECTIONS …………………………… 82
WEIGHTS OF COMMERCIAL WOOD ………………………….. 85
SECTION 4 – HYDRAULIC SYSTEM……………………………… 89
CASE DRAIN STRAINERS ………………………………… 94
FILTERS…………………………………………….. 89
HYDRAULIC OIL PRE-FILL FILTER …………………….. 98
FILTERS, HYDRAULIC OIL……………………………….. 89
FILTER SERVICE NOTE ……………………………… 95
RETURN FILTERS ………………………………….. 95
STRAINER SERVICE NOTE ……………………………. 95
VENT/BREATHER …………………………………… 94
HIGH PRESSURE LIMITING CONTROL VALVE…………………… 89
SET LOAD SENSE RELIEF VALVE ……………………….119
HYDRAULIC OIL TANK…………………………………… 89
DESCRIPTION …………………………………….. 93
OIL LEVEL SIGHT GAUGES …………………………… 94
VENT/BREATHER …………………………………… 94
HYDRAULIC PUMPS……………………………………… 89
MAIN PUMP ……………………………………….100
MAIN PUMP WEAR TEST …………………………..100
HYDRAULIC SYSTEM OPERATION……………………………. 89
CIRCUIT DESCRIPTION ………………………………107
CLAMPS AND ACCUMULATING ARMS CIRCUIT ………………. 90
FAN DRIVE SYSTEM ………………………………… 92
FLOW ON DEMAND and LOAD COMPENSATION ……………….107
MAIN HYDRAULIC SYSTEM; BOOM, SWING, WRIST, DRIVE ……. 90
MARGIN PRESSURE ………………………………….100
MARGIN PRESSURE, SET ……………………………..117
PILOT CIRCUIT …………………………………… 91
PRESSURE GAUGE CONNECTIONS ………………………..118
SAW CIRCUIT …………………………………….. 91
SWING SYSTEM ……………………………………. 90
TRACK DRIVE SYSTEM ………………………………. 91
LOAD SENSING………………………………………… 89
BASIC DESCRIPTION ………………………………..103
BASIC PRINCIPLES …………………………………102
OPERATING TIPS …………………………………..105
SET LOAD SENSE RELIEF VALVE ……………………….119
SET MARGIN PRESSURE ………………………………117
MAIN CONTROL VALVE/MANIFOLD…………………………… 89
CONTROL SPOOL SECTIONS ……………………………108
CONTROL VALVE SECTIONS ……………………………109
CONTROL VALVE SPOOL OPERATION ……………………..111
HIGH PRESSURE LIMITING CONTROL VALVE ……………….116
MAIN CONTROL VALVE DESCRIPTION …………………….108
PORT RELIEF AND ANTICAVITATION VALVE ……………….110
ADJUSTING PROCEDURE …………………………..110
SWING AND DRIVE MOTOR SPOOL SECTIONS ……………….108
PRESSURE AND SPEED SETTINGS …………………………..120
SCHEMATIC DIAGRAMS…………………………………… 89
HIGH PRESS. LIMITING CONTROL ………………………116
LOAD SENSING (FLOW ON DEMAND) ……………………..102
LOAD SENSING SYSTEM CIRCUIT DIAGRAM ………………..106
MAIN PUMP ……………………………………….100
MAIN VALVE WITH HIGH PRESS. LIMITING CONTROL ………..108
SECTION 5 – PILOT SYSTEM………………………………….121
ACCUMULATOR………………………………………….121
CHARGING ………………………………………..133
CHECK PRE-CHARGE PRESSURE …………………………133
DESCRIPTION ……………………………………..126
TESTING DEVICE …………………………………..133
CHARGE/PILOT SUPPLY PUMP ……………………………..127
CHARGE/PILOT/FILTER MANIFOLD ………………………….122
CIRCUIT DIAGRAM, PILOT SYSTEM …………………………129
ELECTRICAL CIRCUIT …………………………………..130
MANIFOLD, CHARGE/PILOT/FILTER …………………………122
PILOT SYSTEM COMPONENTS ………………………………122
ACCUMULATOR ……………………………………..125
CHARGE/PILOT/FILTER MANIFOLD ………………………122
JOYSTICKS AND FOOT PEDALS …………………………125
PROPORTIONAL PILOT MANIFOLD ……………………….124
PILOT SYSTEM DESCRIPTION ……………………………..122
PRESSURE SETTINGS ……………………………………132
SCHEMATIC DIAGRAMS……………………………………121
CHARGE/PILOT/FILTER MANIFOLD ………………………133
CIRCUIT DIAGRAM ………………………………….129
SECTION 6-ELECTRICAL, GAUGES AND ALARMS…………………….135
CAB MODULE ………………………………………….173
CHANNELS ……………………………………………186
INPUTS…………………………………………..135
DIGITAL IN (DIN) ……………………………..186
FREQUENCY IN (FIN) ……………………………186
VOLTAGE IN (VIN) ……………………………..186
OUTPUTS………………………………………….135
CURRENT OUT (COUT) ……………………………186
DIGITAL OUT (DOUT) ……………………………186
PWM OUT (PULSE WIDTH MODULATION) ……………….186
COMPUTER CONTROL SYSTEM (IQAN MDM DISPLAY) ……………..170
ALTERNATE MENUS ………………………………….177
CYCLE COUNTER ………………………………..177
MACHINE SERVICE – HYDRAULIC OIL ………………..178
TREE COUNTER …………………………………177
CONTROL SYSTEM OVERVIEW …………………………..170
DIAGNOSTICS ADJUSTMENT MENUS ………………………179
ADJUST DATE TIME SETTINGS (SETTINGS MENU) ……….184
ADJUST FUNCTION PARAMETERS (PROPERTIES MENU) …….189
ADJUST LCD DISPLAY BRIGHTNESS (SETTINGS MENU) ……182
ADJUST OUTPUTS (PROPERTIES MENU) ……………….191
LANGUAGE SETTINGS (SETTINGS MENU) ………………183
MENU DESCRIPTIONS …………………………….180
MENU OPERATION ……………………………….181
SOUND SETTINGS (SETTINGS MENU) …………………183
SYSTEM COMPONENTS ………………………………..170
SYSTEM WARNING MESSAGES …………………………..199
INFORMATION MESSAGES ………………………….201
MODULE IS OFFLINE SYSTEM WARNING ……………….194
WARNING MESSAGES ……………………………..199
CURRENT OUT – TROUBLESHOOTING FOR OPEN CIRCUITS …………186
DISPLAY MODULE ………………………………………168
COMPONENT DESCRIPTION …………………………….168
FAULTS AND WARNINGS ………………………………169
KEYPAD FUNCTIONS …………………………………169
START-UP OPERATION ……………………………….168
DOWNLOADING APPLICATIONS FROM DEALER WEBSITE ……………206
ELECTRICAL INSTALLATION – CAB………………………….135
860*1700 AND UP, 870*1700 AND UP …………………..165
REAR ELECTRICAL PANEL …………………………164
ELECTRICAL KIT – SERVICE AND DIAGNOSTICS ……………….204
ELECTRICAL SCHEMATICS…………………………………135
860*1700 TO 860*1900 ……………………………..137
860*1901 AND UP ………………………………….148
870*1700 TO 870*1900 ……………………………..137
870*1901 AND UP ………………………………….148
ENGINE MODULE ……………………………………….174
ERROR MESSAGES AND ALARMS……………………………..136
FAULT CODES : ERROR MESSAGES ………………………202
MAIN SYSTEM ERRORS ……………………………….194
FAULT CODES : ERROR MESSAGES ………………………….202
ERROR :INPUT HIGH ………………………………..203
ERROR: INPUT LOW …………………………………203
ERROR: OUTPUT HIGH ……………………………….203
ERROR: OUTPUT LOW ………………………………..203
INTERPRETING ERROR MESSAGES ……………………….202
GET APPLICATION ……………………………………..212
GET ERROR/EVENT LOG ………………………………….216
ID-TAG ……………………………………………..176
IQAN………………………………………………..136
MAIN SYSTEM ERRORS ……………………………….194
MDM MODULE BLANK SCREEN ……………………….194
IQAN SOFTWARE ……………………………………….206
DOWNLOADING APPLICATIONS FROM DEALER WEBSITE ………..206
GET APPLICATION (DOWNLOAD FROM MDM)…………………136
USING A PC/LAPTOP …………………………….213
USING A PDA ………………………………….212
GET ERROR/EVENT LOG……………………………….136
using A pc/laptop …………………………….217
using a pda ………………………………….216
GRAPHING AND MEASUREMENT OF CHANNELS………………..136
USING A PC/LAPTOP …………………………….215
USING A PDA ………………………………….214
PDA REGISTRATION …………………………………206
UPDATING THE IQAN APPLICATION………………………136
FROM A PC/LAPTOP ……………………………210
FROM A PDA …………………………………..208
MAIN SYSTEM ERRORS……………………………………136
XP2-A0 MODULE OFFLINE ERRORS ………………………198
XS-A0 MODULE OFFLINE ERROR ……………………….196
XT2-A0 MODULE OFFLINE ERROR ………………………197
PDA REGISTRATION …………………………………….206
SWITCH AND SENSOR LOCATIONS……………………………136
860*1700 AND UP, 870*1700 AND UP …………………..167
SYSTEM FUSES AND RELAYS……………………………….136
860*1700 AND UP, 870*1700 AND UP …………………..160
UPDATE APPLICATION …………………………………..208
wire colour code chart ……………………………….159
SECTION 7 – ENGINE START AND STOP………………………….219
ENGINE, RESTARTING AFTER ENGINE RUN OUT OF FUEL ………..222
ENGINE, STARTING……………………………………..219
CUMMINS QSL9 …………………………………….220
ENGINE, STARTING, COLD WEATHER…………………………219
CUMMINS QSL9 …………………………………….221
ENGINE, STOPPING …………………………………….222
SCHEMATIC DIAGRAM…………………………………….219
860*1700 and up, 870*1700 AND UP……………………219
START CIRCUIT – AT REST ……………………….223
START CIRCUIT – BATTERY DISCONNECT SWITCH ‘ON’ …..224
START CIRCUIT – RUN …………………………..226
START CIRCUIT – RUN, PILOT RESET SWITCH ‘OFF’ ……228
START CIRCUIT – RUN, PILOT RESET SWITCH ‘ON’ …….227
START CIRCUIT – START …………………………225
STARTING ENGINE………………………………………219
CUMMINS QSL9 …………………………………….220
SECTION 9 – ENGINE ANTI-STALL……………………………..229
ELECTRONIC ENGINE ANTI-STALL CONTROLLER…………………229
CONTROL MODULE IN CAB …………………………….231
CONTROL MODULE PIN CONNECTIONS …………………….232
ELECTRONIC ENGINE ANTI-STALL CONTROLLER……………..229
SPEED SENSOR ON ENGINE, CUMMINS ………………..231
ENGINE ANTI-STALL CURVE …………………………..232
ENGINE ANTI-STALL SWITCH ………………………….231
FAULT FINDING procedure ~ Anti-stall Quick Check …….235
FAULT FINDING procedures, additional ……………….236
HORSEPOWER LIMITING CONTROL………………………..229
GENERAL DESCRIPTION …………………………..231
SCHEMATIC DIAGRAMS………………………………..229
ENGINE ANTI-STALL CIRCUIT ……………………..233
LOAD SENSING SYSTEM CIRCUIT DIAGRAM …………….234
SPEED SENSOR, ADJUSTING …………………………..232
SECTION 10 – OIL COOLER, RADIATOR, CHARGE AIR COOLER AND FAN….239
CHARGE AIR COOLER ……………………………………256
CHARGE/PILOT SUPPLY PUMP ……………………………..247
CIRCUIT DESCRIPTION…………………………………..239
FAN …………………………………………….252
OIL COOLER ………………………………………244
CIRCUIT DIAGRAM………………………………………239
fan circuit ……………………………………..254
OIL COOLER CIRCUIT ……………………………….245
cooling assembly COMPONENTS …………………………..241
fan DRIVE CONTROL VALVE ………………………………248
FAN DRIVE ELECTRICAL SCHEMATIC…………………………239
860*1700 AND UP, 870*1700 AND UP …………………..251
FAN MOTOR …………………………………………..249
FAN SPEED CHECKS …………………………………….255
CHECK FOR NO A/C DURING CLEAN MODE …………………255
FAN ‘CLEAN’ SPEED ………………………………..255
fan FULL ON speed ………………………………..255
MINIMUM FAN SPEED WITH A/C “ON” ……………………255
HYDRAULIC SCHEMATIC CIRCUITS – OIL COOLER AND FAN ……….246
OIL COOLER ………………………………………….244
BYPASS VALVE …………………………………….242
CHECK VALVE ……………………………………..242
CIRCUIT DESCRIPTION ………………………………244
CIRCUIT DIAGRAM ………………………………….245
RETURN MANIFOLDS …………………………………242
SYSTEM COMPONENTS ………………………………..242
RADIATOR ……………………………………………256
SECTION 11 – TRACK DRIVE………………………………….257
CHARGE/PILOT SUPPLY PUMP ……………………………..266
CIRCUIT DIAGRAM ……………………………………..265
CIRCUIT HYDRAULIC SCHEMATIC …………………………..264
DRIVE MOTOR………………………………………….257
DESCRIPTION ……………………………………..262
SCHEMATIC ……………………………………….263
START-UP PROCEDURE ……………………………….269
DRIVE PUMP…………………………………………..257
DESCRIPTION ……………………………………..260
SCHEMATIC DIAGRAM ………………………………..261
HYDROSTATIC DRIVE SYSTEM ……………………………..259
PRESSURE SETTINGS, DRIVE CIRCUIT……………………….257
SUMMARY: SET PUMP POR VALVES ………………………271
SCHEMATIC DIAGRAMS……………………………………257
DRIVE CIRCUIT ……………………………………265
DRIVE MOTOR ……………………………………..263
DRIVE PUMP ………………………………………261
TRACK COMPONENTS……………………………………..257
BOTTOM ROLLER RETAINING BOLTS ……………………..281
IMPORTANT TRACK DRIVE NOTES ……………………….258
MEASURING TRACK SAG ………………………………278
TRACK SAG ADJUSTMENT ………………………….279
OPERATING THE MACHINE …………………………….278
TORQUING UNDERCARRIAGE BOLTS ………………………280
TRACK SHOE RETAINING BOLTS ………………………..280
WEAR LIMITS………………………………………257
BOTTOM ROLLER WEAR ……………………………283
BUSHING WEAR, OUTSIDE DIAMETER …………………283
IDLER WEAR …………………………………..283
PIN AND BUSHING WEAR ………………………….282
TRACK LINK WEAR ………………………………282
TRACK SHOE GROUSER HEIGHT WEAR …………………282
Track slide wear ……………………………..284
UNDERCARRIAGE ASSEMBLY, LEVELLING ……………………..258
SECTION 12 – BOOM FUNCTIONS……………………………….285
ADJUST OIL FLOW TO CYLINDERS (CYLINDER CYCLE TIMES ………293
BOOM SYSTEM DESCRIPTION……………………………….285
CONVENTIONAL BOOM ………………………………..286
‘ER’ BOOM SYSTEM …………………………………286
CIRCUIT DIAGRAM………………………………………285
CONVENTIONAL BOOM ………………………………..288
ER BOOM SYSTEM …………………………………..289
CONTROL VALVE ……………………………………….287
CONVERTING…………………………………………..285
‘ER’ TO NON-‘ER BOOM ……………………………..298
NON-‘ER’ TO ‘ER BOOM ……………………………..300
CYLINDER CYCLE TIMES, TYPICAL …………………………294
‘ER’ BOOM MANIFOLD CONNECTIONS ………………………..297
‘ER’ BOOM SYSTEM – SERVICE POSITION ……………………290
‘ER’ BOOM SYSTEM – SERVICE SAFETY ……………………..290
‘ER’ BOOM SYSTEM COMPONENTS …………………………..296
Load sensing ………………………………………..287
NON-‘ER’ BOOM MANIFOLD CONNECTIONS …………………….297
PRESSURE SETTINGS, PORT RELIEF VALVES ………………….291
TILT CYLINDER (ROD END) FLOW ADJUSTMENT ………………..295
TILT CYLINDER FLOW ADJUSTMENT …………………………287
SECTION 13 – LEVELLING……………………………………303
CIRCUIT DESCRIPTION ………………………………….313
CIRCUIT DIAGRAM ……………………………………..312
COUNTERBALANCE VALVE …………………………………308
OPERATING DESCRIPTION …………………………….308
SCHEMATIC DIAGRAM ………………………………..308
ELECTRICAL INSTALLATION (FACTORY INSTALLED)……………..303
IQAN COMPUTER CONTROL SYSTEM……………………….303
XP2 MODULE ELECTRICAL SCHEMATIC (LEVELER ONLY ……310
XS MODULE ELECTRICAL SCHEMATIC …………………311
ELECTRONIC ADJUSTMENT PROCEDURE, LEVELLING ……………..320
ADJUSTING CYLINDER TRACKING ……………………….322
ADJUSTING FORWARD/REAR LEVELLING SPEED ……………..321
CHECKING LEVELLING SPEED (CYLINDER CYCLE TIMES) …….320
ENGINE ANTI-STALL ……………………………………307
HYDRAULIC SCHEMATIC LEVELLING CIRCUIT ………………….309
LEVELLING CIRCUIT DESCRIPTION …………………………313
LEVELLING CONTROL VALVE ………………………………307
LEVELLING ELECTRONIC ADJUSTMENT PROCEDURE ………………320
LEVELLING MECHANICAL ADJUSTMENT PROCEDURE ………………318
LEVELLING SYSTEM DESCRIPTION ………………………….304
Load sensing ………………………………………..307
lubricating cylinders and pins. See SECTION 3……………303
MECHANICAL ADJUSTMENT PROCEDURE, LEVELLING ……………..318
ADJUST OIL FLOW TO CYLINDERS (CYLINDER CYCLE TIMES …..318
PILOT SYSTEM COMPONENTS……………………………….303
PROPORTIONAL PILOT MANIFOLD ……………………….306
SET COUNTERBALANCE VALVE PRESSURES …………………….315
SET LEVELLING PORT RELIEF VALVES ………………………316
UNDERCARRIAGE ASSEMBLY, LEVELLING ……………………..305
SECTION 15 – SWING……………………………………….325
ADJUST OIL FLOW TO SWING MOTOR(SWING MOTOR SPEED) ……….333
CIRCUIT DESCRIPTION ………………………………….326
CIRCUIT DIAGRAM ……………………………………..327
CROSSLINE RELIEF valves ………………………………332
MAIN CONTROL VALVE……………………………………325
SPOOL TRAVEL STOP ………………………………..333
pressure settings ……………………………………332
SCHEMATIC DIAGRAMS……………………………………325
SWING CIRCUIT ……………………………………329
SWING DRIVE MOTOR SCHEMATIC ……………………….326
SWING SYSTEM HYDRAULIC SCHEMATIC …………………..329
SET SWING MOTOR SPEED ………………………………..333
SWING BEARING………………………………………..325
SEAL REPLACEMENT …………………………………335
WEAR LIMITS ……………………………………..334
SWING DRIVE GEARBOX…………………………………..325
LUBRICATION OF LOWER BEARING ………………………330
LUBRICATION OF SWING PINION AND SWING BEARING ……….331
LUBRICATION OF UPPER GEARING ………………………331
SECTION 17 – SAW DRIVE……………………………………337
CIRCUIT DESCRIPTION ………………………………….338
CIRCUIT DIAGRAM ……………………………………..343
CIRCUIT HYDRAULIC SCHEMATIC …………………………..345
MOTOR BEGIN OF STROKE. See felling head manual…………..337
MOTOR MINIMUM DISPLACEMENT. See felling head manual………337
SAW CONTROL VALVE ……………………………………341
SAW PUMP…………………………………………….338
DESCRIPTION ……………………………………..338
SCHEMATIC ……………………………………….338
SECTION 18 – WRIST AND CLAMPS……………………………..349
ATTACHMENT ELECTRONIC ADJUSTMENT PROCEDURE …………….367
ATTACHMENT CONTROL VALVE ……………………………..352
ATTACHMENT PUMP ……………………………………..350
SCHEMATIC ……………………………………….350
CIRCUIT DESCRIPTION ………………………………….358
ACCUMULATOR ARM ………………………………….358
CLAMP ARM ……………………………………….358
WRIST …………………………………………..358
CIRCUIT DIAGRAM ……………………………………..359
CIRCUIT HYDRAULIC SCHEMATIC …………………………..361
COMPUTER CONTROL SYSTEM (IQAN MDM DISPLAY)………………349
ELECTRONIC ADJUSTMENT PROCEDURE, ATTACHMENT …………367
ACCUMULATING ARM ……………………………..367
ADJUSTABLE ATTACHMENT FUNCTIONS CHART …………..368
CLAMP ARM ……………………………………367
EXAMPLE – WRIST FUNCTION ADJUSTMENT …………..368
WRIST ……………………………………….367
IQAN COMPUTER CONTROL SYSTEM ………………………356
INSTALLING A VACUUM PUMP ON THE HYDRAULIC TANK ………….372
PRESSURE CHECKING ……………………………………362
PRESSURIZING THE HYDRAULIC TANK ……………………….372
REPLACING……………………………………………349
MAIN PRESSURE RELIEF VALVE ………………………..366
PORT RELIEFS …………………………………….366
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