KOMATSU D41E,P-6 SERVICE REPAIR MANUAL (SN:B20001-B40000)(SN:50001 & UP) – PDF DOWNLOAD

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KOMATSU D41E,P-6 SERVICE REPAIR MANUAL (SN:B20001-B40000)(SN:50001 & UP)

KOMATSU D41E,P-6 SERVICE REPAIR MANUAL (SN:B20001-B40000)(SN:50001 & UP) – PDF DOWNLOAD:

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KOMATSU D41E,P-6 SERVICE REPAIR MANUAL (SN:B20001-B40000)(SN:50001 & UP)

• This shop manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
• This shop manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following chapters; these chapters are further divided into the each main group of components.
• STRUCTURE AND FUNCTION
  This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting. In addition, this section may contain hydraulic circuit diagrams, electric circuit diagrams, and maintenance standards.
• TESTING AND ADJUSTING
  This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating “Problems” with “Causes” are also included in this section.
• DISASSEMBLY AND ASSEMBLY
  This section explains the procedures for removing, installing, disassembling and assembling each component, as well as precautions for them.
• MAINTENANCE STANDARD
  This section gives the judgment standards for inspection of disassembled parts. The contents of this section may be described in STRUCTURE AND FUNCTION.
• OTHERS
  This section mainly gives hydraulic circuit diagrams and electric circuit diagrams. In addition, this section may give the specifications of attachments and options together.

TABLE OF CONTENTS:

KOMATSU D41E,P-6 SERVICE REPAIR MANUAL (SN:B20001-B40000)(SN:50001 & UP)

COVER........................................................................................................................  1
CONTENTS.....................................................................................................................  2
01 GENERAL................................................................................................................... 26
	GENERAL ASSEMBLY DRAWING................................................................................................. 27
	SPECIFICATIONS........................................................................................................... 29
	WEIGHT TABLE............................................................................................................. 33
	TABLE OF FUEL, COOLANT AND LUBRICANTS.................................................................................... 35
10 STRUCTURE AND FUNCTION.................................................................................................... 37
	RADIATOR, OIL COOLER..................................................................................................... 38
	ENGINE CONTROL........................................................................................................... 40
	POWER TRAIN.............................................................................................................. 41
	POWER TRAIN SYSTEM....................................................................................................... 42
	POWER TRAIN HYDRAULIC PIPING DIAGRAM..................................................................................... 43
	POWER TRAIN HYDRAULIC SYSTEM DIAGRAM..................................................................................... 45
	POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM.................................................................................... 46
	DAMPER, UNIVERSAL JOINT.................................................................................................. 47
	TRANSMISSION CONTROL..................................................................................................... 48
	TRANSMISSION............................................................................................................. 49
	TRANSMISSION CONTROL VALVE............................................................................................... 58
	STEERING, BRAKE, INCHING CONTROL......................................................................................... 67
	BEVEL GEAR SHAFT, STEERING CLUTCH, STEERING BRAKE........................................................................ 70
	STEERING PPC VALVE....................................................................................................... 90
	STEERING PISTON.......................................................................................................... 94
	PRIORITY VALVE........................................................................................................... 95
	BRAKE VALVE.............................................................................................................. 97
	POWER TRAIN OIL FILTER...................................................................................................101
	FINAL DRIVE..............................................................................................................102
	FRAME ASSEMBLY...........................................................................................................106
	TRACK FRAME..............................................................................................................107
	RECOIL SPRING............................................................................................................108
	WORK EQUIPMENT HYDRAULIC PIPING DIAGRAM..................................................................................109
	WORK EQUIPMENT CONTROL...................................................................................................110
	WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM..................................................................................112
	WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM.................................................................................113
	HYDRAULIC TANK, FILTER...................................................................................................114
	MAIN CONTROL VALVE.......................................................................................................116
	CLSS.....................................................................................................................126
	WORK EQUIPMENT...........................................................................................................138
	AIR CONDITINER...........................................................................................................139
	ACTUAL ELECTRIC WIRING DIAGRAM...........................................................................................141
	ELECTRICAL CIRCUIT DIAGRAM...............................................................................................142
	ENGINE CONTROL SYSTEM....................................................................................................145
	MACHINE MONITOR SYSTEM...................................................................................................146
	SENSORS..................................................................................................................150
20 TESTING AND ADJUSTING.....................................................................................................153
	STANDARD VALUE TABLE FOR ENGINE RELATED PARTS............................................................................154
	STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS...........................................................................155
	STANDARD VALUE TABLE FOR MACHINE MONITOR.................................................................................158
	TESTING AND ADJUSTING....................................................................................................161
		TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING.....................................................................162
		ADJUSTING VALVE CLEARANCE............................................................................................163
		MEASURING BLOW-BY....................................................................................................164
		TESTING AND ADJUSTNG FUEL INJECTION TIMING...........................................................................165
		MEASURING EXHAUST COLOR..............................................................................................166
		MEASURING ENGINE OIL PRESSURE........................................................................................167
		MEASURING ENGINE SPEED...............................................................................................168
		ADJUSTING FUEL CONTROL LINKAGE.......................................................................................169
		ADJUSTING DECELERATOR PEDAL LINKAGE..................................................................................170
		ADJUSTING STEERING, DIRECTIONAL, GEAR SHIFT LEVER....................................................................183
		TESTING MAIN BRAKE AND PARKING BRAKE.................................................................................187
		TESTING WEAR OF BRAKE LINING AND CLUTCH LINING.......................................................................189
		ADJUSTING BRAKE, CLUTCH LEVER ASSEMBLY AND LINING CLEARANCE..........................................................190
		ADJUSTING BRAKE PEDAL LINKAGE........................................................................................194
		ADJUSTING INCHING PEDAL LINKAGE......................................................................................195
		ADJUSTING PARKING BRAKE LINKAGE......................................................................................196
		ADJUSTING WORK EQUIPMENT CONTROL LINKAGE AND SAFETY LEVER LINKAGE....................................................198
		MEASURING POWER TRAIN OIL PRESSURE...................................................................................199
		TESTING AND ADJUSTING WORK EQUIPMENT CIRCUIT PRESSURE................................................................203
		TESTING AND ADJUSTING TRACK SHOE TENSION.............................................................................204
		MEASURING LEAKAGE INSIDE CYLINDER....................................................................................205
		BLEEDING AIR FROM HYDRAULIC CYLINDER.................................................................................206
		PROCEDURE FOR RELEASING PARKING BRAKE................................................................................207
		TESTING AND ADJUSTING OPERATOR'S CAB.................................................................................208
		TESTING AND ADJUSTING "OPEN" AND "CLOSE" LOCK AND STEADY REST OF OPERATOR'S CAB DOOR.................................209
	TROUBLESHOOTING..........................................................................................................211
		POINTS TO REMEMBER WHEN TROUBLESHOOTING..............................................................................212
		SEQUENCE OF EVENTS IN TROUBLESHOOTING................................................................................213
		POINT TO REMEMBER WHEN CARRYING OUT MAINTENANCE......................................................................214
		CHECK BEFORE TROUBLESHOOTING.........................................................................................222
		METHOD OF USING TROUBLESHOOTING CHARTS...............................................................................223
		CONNECTOR TYPES AND MOUNTING LOCATIONS...............................................................................225
		CONNECTOR ARRENGEMENT DIAGRAM........................................................................................227
		CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...........................................................................233
		T-ADAPTER TABLE......................................................................................................256
		TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)............................................................................259
			MERHOD OF USING TROUBLESHOOTING CHARTS...........................................................................260
			S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)....................................................264
			S-2 ENGINE DOES NOT START........................................................................................266
				1) ENGINE TURNS BUT NO EXHAUST GAS COMES OUT (FUEL IS NOT BEING INJECTED)....................................266
				2) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)................................267
			S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR).........................................................268
			S-4 ENGINE STOPS DURING OPERATIONS...............................................................................269
			S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)....................................................................270
			S-6 ENGINE LACKS OUTPUT (OR LACKS POWER) ........................................................................271
			S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)...............................................................272
			S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE)......................................................273
			S-9 OIL BECOMES CONTAMINATED QUICKLY.............................................................................274
			S-10 FUEL CONSUMPTION IS EXCESSIVE...............................................................................275
			S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN.....................................276
			S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)..................................................277
			S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)........................................................................278
			S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)............................................................279
			S-15 ABNORMAL NOISE IS MADE......................................................................................280
			S-16 VIBRATION IS EXCESSIVE......................................................................................281
		TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)........................................................................282
			TABLE OF FAILURE MODES AND CAUSES (ELECTRICAL SYSTEM)............................................................283
			ELECTRICAL CIRCUIT DIAGRAMS FOR EACH SYSTEM......................................................................284
			E-1 STARTING MOTOR IS NOT CRANKED WHEN STARTING SWITCH IS TURNED TO ON ..........................................289
			E-2 ENGINE DOES NOT START (DEFECTIVE OPERATION OF ENGINE STOP SOLENOID)..........................................293
			E-3 LAMPS DO NO LIGHT UP.........................................................................................294
				a) FRONT LAMPS...............................................................................................294
				b) REAR LAMPS................................................................................................297
			E-4 AUTOMATIC PREHEATING IS NOT CARRIED OUT WHEN GLOW SWITCH IS TURNED TO AUTO...................................299
			E-5 CAB WIPER DOES NOT WORK......................................................................................303
			E-6 NO WASHER FLUID ID SPRAYED OUT...............................................................................307
			E-7 AIR CONDITIONER HAS NO EFFECT................................................................................311
				a) NO AIR COMES OUT..........................................................................................311
				b) DOES MOT BECOME COOL......................................................................................315
		TROUBLESHOOTING OF HYDRAULIC MECHANICAL SYSTEM (H MODE)..............................................................319
			TABLE OF FAILURE MODES AND CAUSES (HYDRAULIC, MECHANICAL SYSTEM).................................................320
			H-1 BRAKES DOES NOT WORK.........................................................................................322
			H-2 MACHINE DOES NOT TURN (CAN TRAVEL IN A STRAIGHT LINE)........................................................324
			H-3 OVERTURNS WHEN TURING........................................................................................325
			H-4 CAN TURN IN ONLY ONE DIRECTION (WHEN STEERING AND DIRECTIONAL LEVER IS OPERATED).............................326
			H-5 MACHINE DOES NOT MOVE OFF IN ANY SPEED RANGE.................................................................327
			H-6 EXCESSIVE TIME LAG...........................................................................................328
			H-7 MACHINE CAN TRAVEL IN ONLY ONE DIRECTION (FORWARD OR REVERSE)................................................328
			H-8 MACHINE DOES NOT MOVE (WHEN ENGINE IS STARTED AND LEVER IS SHIFTED TO 2ND OR 3RD)............................329
			H-9 POWER TRAIN OIL TEMPERATURE RISES TOO HIGH...................................................................330
			H-10 LACKS DRAWBAR PULL, TRAVEL SPEED IS SLOW....................................................................331
			H-11 ABNORMAL NOISE IS GENERATED FROM AROUND HYDRAULIC PUMP......................................................332
			H-12 NO WORK EQUIPMENT MOVES.....................................................................................333
			H-13 SPEED OF ALL WORK EQUIPMENT IS SLOW OR LACKS POWER..........................................................333
			H-14 BLADE LIFT SPEED OR TILT SPEED IS SLOW OR LACKS POWER.......................................................334
			H-15 BLADE ANGLE SPEED IS SLOW OR LACKS POWER....................................................................335
			H-16 HYDRAULIC DRIFT OF BLADE LIFT, BLADE TILT IS EXCESSIVE......................................................336
			H-17 HYDRAULIC DRIFT OF BLADE ANGLE IS EXCESSIVE.................................................................336
		TROUBLESHOOTING OF MACHING MONITOR SYSTEM (M MODE)...................................................................337
			TABLE OF FAILURE MODES AND CAUSES (MACHINE MONITOR SYSTEM).......................................................338
			ELECTRICAL CIRCUIT DIAGRAMS FOR EACH SYSTEM......................................................................339
			M-1 NO DISPLAY IS GIVEN ON MONITOR PANEL WHEN STARTING SWITCH IS TURNED TO ON ...................................343
			M-2 WHEN STARTING SWITCH IS TURNED TO ON, ALL MONITOR PANEL LAMPS LIGHT UP AND DO NOT GO OUT.....................343
			M-3 PREHEATING DISPLAY IS ABNORMAL...............................................................................344
				a) PREHEATING MONITOR DOES NOT LIGHT UP......................................................................344
				b) PREHEATING MONITOR STAYS LIGHTED UP.......................................................................344
			M-4 CAUTION ITEMS LIGHT UP OR FLASH..............................................................................348
				a) (CHARGE) LIGHTS UP OR FLASHES.............................................................................348
				b) WHEN STARTING SWITCH IS TURNED TO ON AND ENGINE IS STARTED, (ENGINE OIL PRESSURE) LIGHTS UP OR FLASHES....349
				c) (COOLANT TEMPERATURE) FLASHES.............................................................................350
				d) (POWER TRAIN OIL TEMPERATURE) FLASHES.....................................................................351
			M-5 BUZZER IS ABNORMAL...........................................................................................356
				a) CAUTION ITEM FLASHES BUT BUZZER DOES NOT SOUND............................................................356
				b) MONITOR DISPLAY IS NORMAL, BUT BUZZER SOUNDS..............................................................356
			M-6 WARNING LAMP IS ABNORMAL.....................................................................................357
				a) CAUTION ITEM IS FLASHES BUT LAMP DOES NOT FLASH...........................................................357
				b) MONITOR DISPLAY IS NORMAL BUT LAMP FLASHES................................................................357
			M-7 GAUGE IS ABNORMAL ...........................................................................................358
				a) ABNORMAILTY IN ENGINE COOLANT TEMPERATURE GAUGE...........................................................358
				b) ABNORMALITY IN POWER TRAIN OIL TEMPERATURE GAUGE..........................................................360
				c) ABNORMALITY IN FUEL LEVEL GAUGE...........................................................................361
			M-8 SERVICE METER DOES NOT MOVE AFTER ENGINE IS STARTED..........................................................362
			M-9 MONITOR PANEL LIGHTING DOES NOT LIGHT UP (FRONT LAMPS ARE NORMAL)............................................363
30 DISASSEMBLY AND ASSEMBLY..................................................................................................364
	METHOD OF USING MANUAL...................................................................................................367
	PRECAUTIONS WHEN CARRYING OUT OPERATION..................................................................................368
	SPECIAL TOOL LIST........................................................................................................370
	SKETCHES OF SPECIAL TOOLS................................................................................................375
	STARTING MOTOR...........................................................................................................377
		REMOVAL..............................................................................................................377
		INSTALLATION.........................................................................................................377
	ALTERNATOR...............................................................................................................378
		REMOVAL..............................................................................................................378
		INSTALLATION.........................................................................................................378
	ENGINE OIL COOLER CORE...................................................................................................379
		REMOVAL..............................................................................................................379
		INSTALLATION.........................................................................................................379
	FUEL INJECTION PUMP ASSEMBLY.............................................................................................380
		REMOVAL..............................................................................................................380
		INSTALLATION.........................................................................................................384
	WATER PUM ...............................................................................................................386
		REMOVAL..............................................................................................................386
		INSTALLATION.........................................................................................................386
	TURBOCHARGER.............................................................................................................387
		REMOVAL..............................................................................................................387
		INATALLATION.........................................................................................................387
	NOZZLE HOLDER ...........................................................................................................388
		REMOVAL..............................................................................................................388
		INSTALLATION.........................................................................................................388
	THERMOSTAL...............................................................................................................389
		REMOVAL..............................................................................................................389
		INSTALLATION.........................................................................................................389
	ENGINE HOOD..............................................................................................................390
		REMOVAL..............................................................................................................390
		INSTALLATION.........................................................................................................390
	CYLINDRER HEAD...........................................................................................................391
		REMOVAL..............................................................................................................391
		INSTALLATION.........................................................................................................395
	FUEL TANK................................................................................................................397
		REMOVAL..............................................................................................................397
		INSTALLATION.........................................................................................................398
	RADIATOR,OIL COOLER......................................................................................................399
		REMOVAL..............................................................................................................399
		INSTALLATION.........................................................................................................400
	HYDRAULIC................................................................................................................401
		REMOVAL..............................................................................................................401
		INSTALLATION.........................................................................................................401
	ENGINE...................................................................................................................402
		REMOVAL..............................................................................................................402
		INSTALLATION.........................................................................................................406
	RADIATOR, GUARD..........................................................................................................407
		REMOVAL..............................................................................................................407
		INSTALLATION.........................................................................................................408
	DAMPER...................................................................................................................409
		REMOVAL..............................................................................................................409
		INSTALLATION.........................................................................................................410
	TRANSMISSION.............................................................................................................412
		REMOVAL..............................................................................................................412
		INSTALLATION.........................................................................................................415
	PTO......................................................................................................................416
		DISASSEMBLY..........................................................................................................416
		ASSEMBLY.............................................................................................................417
	TRANSMISSION.............................................................................................................419
		DISASSEMBLY..........................................................................................................419
		ASSEMBLY.............................................................................................................431
	STEERING CASE............................................................................................................444
		DISASSEMBLY..........................................................................................................444
		ASSEMBLY.............................................................................................................450
	PROIRITY VALVE...........................................................................................................459
		REMOVAL..............................................................................................................459
		INSTALLATION.........................................................................................................459
		DISASSEMBLY..........................................................................................................460
		ASSEMBLY.............................................................................................................460
	BRAKE CONTROL VALVE......................................................................................................461
		REMOVAL..............................................................................................................461
		INSTALLATION.........................................................................................................461
		DISASSEMBLY..........................................................................................................462
		ASSEMBLY.............................................................................................................464
	TRANSMISSION SHIFT VALVE.................................................................................................467
		REMOVAL..............................................................................................................467
		INSTALLATION.........................................................................................................467
		DISASSEMBLY..........................................................................................................468
		ASSEMBLY.............................................................................................................470
	TRANSMISSION PRESSURE VALVE..............................................................................................473
		REMOVAL..............................................................................................................473
		INSTALLATION.........................................................................................................473
		DISASSEMBLY..........................................................................................................474
		ASSEMBLY.............................................................................................................475
	STEERING PISTON..........................................................................................................476
		REMOVAL..............................................................................................................476
		INSTALLATION.........................................................................................................476
		DISASSEMBLY..........................................................................................................477
		ASSEMBLY.............................................................................................................477
	PARKING BRAKE CYLINDER...................................................................................................478
		REMOVAL..............................................................................................................478
		INSTALLATION.........................................................................................................479
		DISASSEMBLY..........................................................................................................480
		ASSEMBLY.............................................................................................................481
	FINAL DRIVE..............................................................................................................482
		REMOVAL..............................................................................................................482
		INSTALATION..........................................................................................................482
		DISASSEMBLY..........................................................................................................483
		ASSEMBLY.............................................................................................................487
	IDLER, RECOIL SPRING.....................................................................................................501
		REMOVAL..............................................................................................................501
		INSTALLATION.........................................................................................................501
		DISASSEMBLY..........................................................................................................502
		ASSEMBLY.............................................................................................................503
	IDLER....................................................................................................................504
		DISASSEMBLY..........................................................................................................504
		ASSEMBLY.............................................................................................................505
	TRACK ROLLER.............................................................................................................513
		REMOVAL..............................................................................................................513
		INSTALLATION.........................................................................................................513
		DISASSEMBLY..........................................................................................................514
		ASSEMBLY.............................................................................................................515
	CARRIER ROLLER...........................................................................................................517
		REMOVAL..............................................................................................................517
		INSTALLATION.........................................................................................................517
		DISASSEMBLY..........................................................................................................518
		ASSEMBLY.............................................................................................................519
	TRACK SHOE...............................................................................................................521
		REMOVAL..............................................................................................................521
		INSTALLATION.........................................................................................................522
		OVERALL DISASSEMBLY..................................................................................................523
		OVERALL ASSEMBLY.....................................................................................................528
	PRESS-FITTING JIG DIMENSION TABLE FOR LINK PRESS.........................................................................542
	ONE LINK.................................................................................................................543
		FIELD DISASSEMBLY....................................................................................................543
		FIELD ASSEMBLY.......................................................................................................545
	HYDRAULIC PUMP...........................................................................................................551
		REMOVAL..............................................................................................................551
		INSTALLATION.........................................................................................................552
	MAIN CONTROL VALVE.......................................................................................................553
		REMOVAL..............................................................................................................553
		INSTALLATION.........................................................................................................554
		DISASSEMBLY..........................................................................................................555
		ASSEMBLY.............................................................................................................560
	MAIN RELIEF VALVE .......................................................................................................566
		REMOVAL..............................................................................................................566
		INSTALLATION.........................................................................................................566
		DISASSEMBLY..........................................................................................................568
		ASSEMBLY.............................................................................................................569
	BLADE ANGLE CYLINDER.....................................................................................................571
		REMOVAL..............................................................................................................571
		INSTALLATION.........................................................................................................571
	BLADE LIFT CYLINDER......................................................................................................572
		REMOVAL..............................................................................................................572
		INSTALLATION.........................................................................................................572
	BLADE TILT CYLINDER......................................................................................................573
		INSTALLATION.........................................................................................................573
	HYDRAULIC CYLINDER.......................................................................................................574
		DISSASSEMBLY.........................................................................................................574
		ASSEMBLY.............................................................................................................576
	WORK EQUIPMENT...........................................................................................................578
		REMOVAL..............................................................................................................578
		INSTALLATION.........................................................................................................579
		DISASSEMBLY..........................................................................................................580
		ASSEMBLY.............................................................................................................583
	HYDRAULIC................................................................................................................586
		REMAOVAL.............................................................................................................586
		INSTALLATION.........................................................................................................586
	ROPS ROOF, GUARD.........................................................................................................587
		REMOVAL..............................................................................................................587
		INSTALLATION.........................................................................................................587
	CANOPY...................................................................................................................588
		REMOVAL..............................................................................................................588
		INSTALLATION.........................................................................................................588
	OPERATOR CAB.............................................................................................................589
		REMOVAL..............................................................................................................589
		INSTALLATION.........................................................................................................591
	OPERATOR CAB GLASS (STUCK GLASS).........................................................................................594
		REMOVAL..............................................................................................................595
		INSTALLATION.........................................................................................................596
	FLOOR FRAME..............................................................................................................602
		REMOVAL..............................................................................................................602
		INSTALLATION.........................................................................................................606
	AIR CONDITIONER COMPRESSOR...............................................................................................607
		REMOVAL..............................................................................................................607
		INSTALLATION.........................................................................................................608
	AIR CONDITIONER CONDENSER................................................................................................609
		REMOVAL..............................................................................................................609
		INSTALLATION.........................................................................................................610
	MONITOR..................................................................................................................611
		REMOVAL..............................................................................................................611
		INSTALLATION.........................................................................................................611
	DT CONNECTOR PIN.........................................................................................................612
		REMOVEL..............................................................................................................612
		INSTALLATION.........................................................................................................613
	DH CONNECTOR PIN.........................................................................................................614
		REMOVAL..............................................................................................................614
		INSTALLATION.........................................................................................................614
	REPAIR PROCEDURE FOR WIRING HARNESS......................................................................................615
40 MAINTENANCE STANDARD......................................................................................................616
	DAMPER, UNIVERSAL JOINT..................................................................................................617
	HYDRAULIC+POWER TRAIN PUMP...............................................................................................618
	TRANSMISSION.............................................................................................................619
	TRANISMISSION CONTROL VALVE..............................................................................................624
	BEVEL GEAR SHAFT, STEERING CLUTCH, STEERING BRAKE........................................................................629
	STEERING PPC VALVE.......................................................................................................633
	STEERING PISTON..........................................................................................................634
	PRIORITY VALVE...........................................................................................................635
	BRAKE VALVE..............................................................................................................636
	PARKING BRAKE CYLINDER...................................................................................................637
	FINAL DRIVE..............................................................................................................638
	TRACK FRAME, RECOIL SPRING...............................................................................................642
	IDLER....................................................................................................................643
	TRACK ROLLER.............................................................................................................646
	CARRIER ROLLER...........................................................................................................647
	TRACK SHOE...............................................................................................................648
	MAIN CONTROL VALVE.......................................................................................................654
	WORK EQUIPMENT CYLINDER..................................................................................................664
	WORK EQUIPMENT...........................................................................................................666
90 OTHERS....................................................................................................................669
	POWER TRAIN HYDRAULIC SYSTEM DIAGRAM.....................................................................................670
	POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM....................................................................................671
	WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM..................................................................................672
	WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM.................................................................................673
	ACTUAL ELECTRIC WIRING DIAGRAM...........................................................................................674
	ELECTRICAL CIRCUIT DIAGRAM...............................................................................................675
		WITH CAB (SERIAL NO.:B20001-B40000, 50001-50200).....................................................................675
		WITHOUT CAB (SERIAL NO.:B20001-B40000, 50001-50200)..................................................................676
		CAB ELECERICAL CIRCUIT DIAGRAM (SERIAL NO.:B20001-B40000, 50001-50200)...............................................677

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