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Komatsu GD555-3C, GD655-3C, GD675-3C Motor Grader Shop Manual 50001 and up – PDF DOWNLOAD
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Komatsu GD555-3C, GD655-3C, GD675-3C Motor Grader Shop Manual 50001 and up
MACHINE MODEL SERIAL NUMBER
GD555-3C 50001 and up
GD655-3C 50001 and up
GD675-3C 50001 and up
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Description
Komatsu GD555-3C, GD655-3C, GD675-3C Motor Grader Shop Manual 50001 and up
FILE DETAILS:
Komatsu GD555-3C, GD655-3C, GD675-3C Motor Grader Shop Manual 50001 and up
Brands: Komatsu
Equipment Type: Motor Grader
Manuals Type: Shop Manual
Machine Model: GD555-3C, GD655-3C, GD675-3C
Serial Number: 50001 and up
Book Code: SEBM020909
Issued: Printed in Japan 11-2011
Language: English
Pages: 714
File Format: Portable Document Format (PDF)
DESCRIPTION:
Komatsu GD555-3C, GD655-3C, GD675-3C Motor Grader Shop Manual 50001 and up
1 GENERAL:
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 sections. These sections are further divided into each main group of components.
GENERAL:
This section lists the general machine dimensions, performance specifications, component weights, and fuel, coolant and lubricant specification charts.
STRUCTURE, FUNCTION AND MAINTENANCE STANDARD:
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 gives the judgement standards when inspecting disassembled parts.
STANDARD VALUE TABLE:
This section explains the standard values for new machine and judgement criteria for testing, adjusting and troubleshooting. This standard value table is used to check the standard values in testing and adjusting and to judge parts in troubleshooting.
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:
Troubleshooting charts correlating “Problems” to “Causes” are also included in this section.
DISASSEMBLY AND ASSEMBLY:
This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.
OTHERS:
This section has the foldout drawings for the machine.
TABLE OF CONTENTS:
Komatsu GD555-3C, GD655-3C, GD675-3C Motor Grader Shop Manual 50001 and up
COVER...................................................................................................................................... 1 CONTENTS................................................................................................................................... 2 01 GENERAL................................................................................................................................. 27 GENERAL ASSEMBLY DRAWING............................................................................................................... 28 SPECIFICATIONS......................................................................................................................... 29 WEIGHT TABLE........................................................................................................................... 41 FUEL, COOLANT, AND LUBRICANT SELECTION................................................................................................. 43 10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD............................................................................................ 45 ACCELERATOR CONTROL LINKAGE............................................................................................................ 46 ACCELERATOR PEDAL...................................................................................................................... 47 FAN DRIVE.............................................................................................................................. 48 POWER TRAIN DIAGRAM.................................................................................................................... 49 TRANSMISSION HYDRAULIC PIPING.......................................................................................................... 50 TRANSMISSION CONTROL................................................................................................................... 54 TORQUE CONVERTER....................................................................................................................... 55 TORQUE CONVERTER LOCK-UP VALVE (ECMV).................................................................................................. 60 TRANSMISSION........................................................................................................................... 63 TRANSMISSION VALVE..................................................................................................................... 92 ECMV (ELECTRONIC CONTROL MODULATION VALVE)............................................................................................. 93 MAIN RELIEF VALVE...................................................................................................................... 97 TRANSMISSION PUMP......................................................................................................................100 TRANSMISSION AND DIFFERENTIAL LOCK PUMP (WITH DIFFERENTIAL LOCK).......................................................................101 FINAL DRIVE............................................................................................................................102 TANDEM DRIVE...........................................................................................................................107 STEERING HYDRAULIC PIPING DRAWING......................................................................................................110 STEERING VALVE (Q/AMP MANUAL ORBIT-ROLL TYPE)..........................................................................................112 PRIORITY ACC GOVERNOR VALVE (SERIAL NO.50001-51000)....................................................................................119 PRIORITY VALVE (SERIAL NO.51001 AND UP)................................................................................................126 ACCUMULATOR PRESSURE GOVERNOR VALVE (SERIAL NO.51001 AND UP)...........................................................................133 FRONT AXLE.............................................................................................................................135 BRAKE HYDRAULIC PIPING ................................................................................................................139 BRAKE VALVE............................................................................................................................143 WHEEL BRAKE............................................................................................................................147 SLACK ADJUSTER.........................................................................................................................148 ACCUMULATOR............................................................................................................................150 PARKING BRAKE..........................................................................................................................151 PARKING BRAKE AND BANK CONTROL VALVE...................................................................................................152 WORK EQUIPMENT HYDRAULIC PIPING DRAWING................................................................................................154 HYDRAULIC PUMP (SERIAL NO.50001-51000).................................................................................................164 HYDRAULIC PUMP (SERIAL NO.51001 AND UP)................................................................................................185 MAIN CONTROL VALVE.....................................................................................................................206 CLSS...................................................................................................................................221 WORK EQUIPMENT CONTROL.................................................................................................................233 HYDRAULIC SYSTEM.......................................................................................................................235 HYDRAULIC TANK.........................................................................................................................241 SWIVEL JOINT...........................................................................................................................242 PILOT CHECK VALVE......................................................................................................................244 BLADE ACCUMULATOR, FLOAT VALVE.........................................................................................................249 SHUT-OFF VALVE.........................................................................................................................252 BLADE FLOAT DEVICE.....................................................................................................................253 CIRCLE ROTATION MOTOR..................................................................................................................255 HYDRAULIC CYLINDER.....................................................................................................................257 CIRCLE, DRAWBAR........................................................................................................................263 LIFTER BRACKET LOCK PIN................................................................................................................265 BLADE..................................................................................................................................266 CIRCLE ROTATION GEAR...................................................................................................................268 SCARIFIER..............................................................................................................................271 RIPPER.................................................................................................................................273 MAIN FRAME.............................................................................................................................275 AIR CONDITIONER (IF EQUIPPED)..........................................................................................................276 ENGINE STARTING CIRCUIT................................................................................................................280 ENGINE STOP CIRCUIT....................................................................................................................284 PREHEAT CIRCUIT........................................................................................................................286 AUTOMATIC SHIFT CONTROL SYSTEM.........................................................................................................288 TRANSMISSION CONTROLLER................................................................................................................289 MONITOR................................................................................................................................293 SENSORS................................................................................................................................296 20 TESTING AND ADJUSTING...................................................................................................................303 STANDARD VALUE TABLE...................................................................................................................304 STANDARD VALUE TABLE FOR ENGINE....................................................................................................304 STANDARD VALUE TABLE FOR CHASSIS...................................................................................................308 STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM.........................................................................................315 TESTING AND ADJUSTING..................................................................................................................324 TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING...................................................................................325 MEASURING EXHAUST COLOR............................................................................................................326 MEASURING BLOWBY PRESSURE..........................................................................................................327 MEASURING ENGINE OIL PRESSURE......................................................................................................328 MEASURING ENGINE SPEED.............................................................................................................328 TESTING FAN BELT TENSION...........................................................................................................329 TESTING AIR CONDITIONER COMPRESSOR BELT TENSION....................................................................................330 MEASURING TORQUE CONVERTER STALL SPEED.............................................................................................330 CHECKING CLUTCH OIL PRESSURE.......................................................................................................331 CHECKING TORQUE CONVERTER OIL PRESSURE.............................................................................................332 ADJUSTING SPEED SENSOR.............................................................................................................333 FLUSHING TORQUE CONVERTER, TRANSMISSION CIRCUIT....................................................................................335 ADJUSTING ACCELERATOR CONTROL LINKAGE..............................................................................................336 TESTING BRAKE DISC.................................................................................................................337 TESTING AND ADJUSTING PARKING BRAKE PAD CLEARANCE..................................................................................338 TESTING ACCUMULATOR CHARGE PRESSURE................................................................................................339 TESTING AND ADJUSTING WORK EQUIPMENT OIL PRESSURE..................................................................................339 TESTING AND ADJUSTING LS DIFFERENTIAL PRESSURE.....................................................................................340 ADJUSTING PC VALVE.................................................................................................................342 BLEEDING AIR FROM HYDRAULIC CIRCUIT................................................................................................342 MEASURING INTERNAL CYLINDER LEAKAGE................................................................................................343 MEASURING STEERING, BRAKE OIL PRESSURE.............................................................................................345 BLEEDING AIR FROM BRAKE PIPING.....................................................................................................346 CHARGING NITROGEN GAS FOR BRAKE, WORK EQUIPMENT ACCUMULATOR........................................................................347 TESTING AND ADJUSTING CIRCLE GUIDE CLEARANCE.......................................................................................348 TESTING AND ADJUSTING SLIP CLUTCH-TYPE ROTARY DEVICE...............................................................................350 MEMORIZING IDLE AND FULL POSITION PROCEDURE........................................................................................352 INITIAL LEARNING METHOD FOR TRANSMISSION CONTROLLER................................................................................353 DIODE CHECKING PROCEDURE...........................................................................................................355 MOVING MACHINE WHEN TRANSMISSION VALVE FAILS.......................................................................................356 ADJUSTING CAB STOPPER BOLT.........................................................................................................358 TROUBLESHOOTING........................................................................................................................360 TROUBLESHOOTING POINTS TO REMEMBER.................................................................................................361 TROUBLESHOOTING SEQUENCE...........................................................................................................362 POINTS TO REMEMBER WHEN PERFORMING MAINTENANCE.....................................................................................363 CHECKS BEFORE TROUBLESHOOTING......................................................................................................371 CONNECTOR TYPES AND MOUNTING LOCATIONS.............................................................................................372 CONNECTOR ARRANGEMENT DIAGRAM......................................................................................................380 CONNECTION TABLE FOR CONNECTOR PIN NUMBERS.........................................................................................388 MESSAGE CENTER DISPLAY AND TABLE ERROR CODES.......................................................................................409 USING THE TROUBLESHOOTING CHARTS...................................................................................................413 TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)......................................................................................414 ELECTRICAL CIRCUIT DIAGRAM.....................................................................................................415 E-1 ENGINE DOES NOT START......................................................................................................419 E-2 ENGINE DOES NOT STOP.......................................................................................................429 E-3 ENGINE PREHEATING PILOT LAMP DOES NOT GLOW.................................................................................431 E-4 ELECTRICAL COMPONENTS DO NOT WORK..........................................................................................433 TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (T MODE).........................................................................435 TRANSMISSION-CONTROLLER SYSTEM JUDGEMENT TABLE.................................................................................437 CONTROLLER ACTION WHEN PROBLEMS OCCUR WITH THE MACHINE.........................................................................441 ELECTRICAL CIRCUIT DIAGRAM.....................................................................................................461 T-1 FAILURE CODE [A1]..........................................................................................................465 T-2 FAILURE CODE [A2]..........................................................................................................466 T-3 FAILURE CODE [A3]..........................................................................................................467 T-4 FAILURE CODE [A4]..........................................................................................................468 T-5 FAILURE CODE [A5]..........................................................................................................469 T-6 FAILURE CODE [A8]..........................................................................................................470 T-7 FAILURE CODE [b1]..........................................................................................................471 T-8 FAILURE CODE [b2]..........................................................................................................472 T-9 FAILURE CODE [b3]..........................................................................................................473 T-10 FAILURE CODE [b4].........................................................................................................474 T-11 FAILURE CODE [b5].........................................................................................................475 T-12 FAILURE CODE [b6].........................................................................................................476 T-13 FAILURE CODE [b7].........................................................................................................477 T-14 FAILURE CODE [b8].........................................................................................................478 T-15 FAILURE CODE [C0].........................................................................................................479 T-16 FAILURE CODE [C1].........................................................................................................480 T-17 FAILURE CODE [C3].........................................................................................................481 T-18 FAILURE CODE [C4].........................................................................................................483 T-19 FAILURE CODE [C5].........................................................................................................485 T-20 FAILURE CODE [C6].........................................................................................................486 T-21 FAILURE CODE [C7].........................................................................................................487 T-22 FAILURE CODE [C8].........................................................................................................488 T-23 FAILURE CODE [C9].........................................................................................................489 T-24 FAILURE CODE [d1].........................................................................................................490 T-25 FAILURE CODE [d2].........................................................................................................491 T-26 FAILURE CODE [d4].........................................................................................................492 T-27 FAILURE CODE [d5].........................................................................................................493 T-28 FAILURE CODE [d6].........................................................................................................494 T-29 FAILURE CODE [d7].........................................................................................................495 T-30 FAILURE CODE [E1].........................................................................................................496 T-31 FAILURE CODE [E2].........................................................................................................497 T-32 FAILURE CODE [E3].........................................................................................................498 T-33 FAILURE CODE [E4].........................................................................................................500 T-34 FAILURE CODE [E5].........................................................................................................500 T-35 FAILURE CODE [E6].........................................................................................................501 T-36 FAILURE CODE [E7].........................................................................................................502 T-37 FAILURE CODE [E8].........................................................................................................502 T-38 FAILURE CODE [F1].........................................................................................................504 T-39 FAILURE CODE [F2].........................................................................................................504 T-40 FAILURE CODE [F3].........................................................................................................505 T-41 FAILURE CODE [F4].........................................................................................................506 T-42 FAILURE CODE [F5].........................................................................................................506 T-43 FAILURE CODE [F6].........................................................................................................507 T-44 FAILURE CODE [F7].........................................................................................................507 T-45 FAILURE CODE [F8].........................................................................................................508 T-46 FAILURE CODE [91].........................................................................................................509 T-47 FAILURE CODE [92].........................................................................................................509 T-48 FAILURE CODE [93].........................................................................................................510 T-49 FAILURE CODE [94].........................................................................................................511 T-50 FAILURE CODE [95].........................................................................................................511 T-51 FAILURE CODE [96].........................................................................................................512 T-52 FAILURE CODE [97].........................................................................................................512 T-53 FAILURE CODE [98].........................................................................................................514 TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)........................................................................515 FAILURE TABLE: MODES AND CAUSES................................................................................................516 H-1 ALL WORK EQUIPMENT IS SLOW OR LACKS POWER..................................................................................518 H-2 NO WORK EQUIPMENT MOVES....................................................................................................519 H-3 EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS...........................................................................519 H-4 ABNORMAL NOISE GENERATED AROUND THE PUMP...................................................................................520 H-5 EXCESSIVE BLADE DRIFT......................................................................................................520 H-6 IMPOSSIBLE TO RAISE FRONT OF MACHINE USING THE BLADE.......................................................................521 H-7 LACK OF ACTUATING POWER IN THE ARTICULATING, DRAWBAR SHIFT, SCARIFIER, LEANING, AND BLADE SHIFT CYLINDERS (LEFT, RIGHT)....521 H-8 EXCESSIVE LEANING CYLINDER DRIFT (TIRES LEAN)..............................................................................522 H-9 IMPOSSIBLE TO ROTATE THE CIRCLE............................................................................................522 H-10 EXCESSIVE SCARIFIER DRIFT.................................................................................................523 H-11 MACHINE DOES NOT MOVE IN EITHER FORWARD OR REVERSE........................................................................523 H-12 TRANSMISSION DOES NOT SHIFT-UP OR SHIFT-DOWN..............................................................................524 H-13 MACHINE IS SLOW OR LACKS POWER WHEN TRAVELING.............................................................................524 H-14 TORQUE CONVERTER LOCK-UP MALFUNCTION,CANNOT BE ACTUATED OR CANCELED.......................................................525 H-15 EXCESSIVE TIME LAG WHEN STARTING OR SHIFTING GEAR.........................................................................525 H-16 TORQUE CONVERTER OIL TEMPERATURE IS HIGH..................................................................................526 H-17 BRAKING FORCE IS INSUFFICIENT.............................................................................................527 TROUBLESHOOTING OF MAIN MONITOR SYSTEM (M MODE)....................................................................................528 FAILURE TABLE: MODES AND CAUSES................................................................................................529 ELECTRICAL CIRCUIT DIAGRAM FOR MAIN MONITOR SYSTEM.............................................................................531 M-1 ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP.................................................................................535 M-2 TRANSMISSION CONTROLLER CAUTION LAMP LIGHTS UP.............................................................................536 M-3 TRANSMISSION OIL TEMPERATURE CAUTION LAMP LIGHTS UP........................................................................536 M-4 DIFFERENTIAL OIL TEMPERATURE CAUTION LAMP LIGHTS UP (OPT)..................................................................537 M-5 BANK PIN CAUTION LAMP LIGHTS UP............................................................................................538 M-6 BRAKE OIL PRESSURE CAUTION LAMP LIGHTS UP..................................................................................539 M-7 BATTERY CHANGE CAUTION LAMP LIGHTS UP......................................................................................540 M-8 PREHEATING DISPLAY DOES NOT LIGHT UP.......................................................................................541 M-9 HIGH BEAM DISPLAY DOES NOT LIGHT UP........................................................................................542 M-10 WORKING LAMP DISPLAY DOES NOT LIGHT UP (OPT)..............................................................................543 M-11 DIFFERENTIAL LOCK ACTUATION DISPLAY DOES NOT LIGHT UP (OPT)...............................................................544 M-12 ACCUMULATOR ACTUATION DISPLAY DOES NOT LIGHT UP...........................................................................545 M-13 FLOAT ACTUATION DISPLAY DOES NOT LIGHT UP.................................................................................545 M-14 PARKING BRAKE DISPLAY DOES NOT LIGHT UP ..................................................................................547 M-15 TURN SIGNAL LAMP DISPLAY DOES NOT FLASH...................................................................................548 M-16 ARTICULATION GAUGE DOES NOT WORK..........................................................................................549 M-17 FUEL GAUGE DOES NOT WORK..................................................................................................551 M-18 ENGINE WATER TEMPERATURE GAUGE DOES NOT WORK..............................................................................553 M-19 TORQUE CONVERTER TEMPERATURE GAUGE DOES NOT WORK (OPT)....................................................................554 M-20 MESSAGE CENTER DOES NOT WORK..............................................................................................555 M-21 SERVICE METER DOES NOT WORK...............................................................................................556 30 DISASSEMBLY AND ASSEMBLY................................................................................................................557 METHOD OF USING MANUAL.................................................................................................................559 PRECAUTIONS WHEN CARRYING OUT OPERATION................................................................................................561 SPECIAL TOOL LIST......................................................................................................................563 SKETCHES OF SPECIAL TOOLS..............................................................................................................566 REMOVAL OF ENGINE HOOD ASSEMBLY (SERIAL NO.:50001-51000)...............................................................................571 INSTALLATION OF ENGINE HOOD ASSEMBLY (SERIAL NO.:50001-51000)..........................................................................572 REMOVAL OF ENGINE HOOD ASSEMBLY (SERIAL NO.:51001 AND UP)..............................................................................572 INSTALLATION OF ENGINE HOOD ASSEMBLY (SERIAL NO.:5101 AND UP)..........................................................................573 REMOVAL OF RADIATOR ASSEMBLY (SERIAL NO.:50001-51000)..................................................................................574 INSTALLATION OF RADIATOR ASSEMBLY (SERIAL NO.:50001-51000).............................................................................575 REMOVAL OF RADIATOR ASSEMBLY (SERIAL NO.:51001 AND UP).................................................................................576 INSTALLATION OF RADIATOR ASSEMBLY (SERIAL NO.:51001 AND UP)............................................................................578 REMOVAL OF FUEL TANK, HYDRAULIC TANK, AND COOLING WATER SUB TANK ASSEMBLY (SERIAL NO.:50001-51000).....................................579 INSTALLATION OF FUEL TANK, HYDRAULIC TANK, AND COOLING WATER SUB TANK ASSEMBLY (SERIAL NO.:50001-51000)................................581 REMOVAL OF FUEL TANK, HYDRAULIC TANK, AND COOLING WATER SUB TANK ASSMBLY (SERIAL NO.:51001 AND UP).....................................583 INSTALLATION OF FUEL TANK, HYDRAULIC TANK, AND COOLING WATER SUB ATNK ASSEMBLY (SERIAL NO.:51001 AND UP)...............................585 REMOVAL OF ENGINE ASSEMBLY.............................................................................................................586 INSTALLATION OF ENGINE ASSEMBLY........................................................................................................587 REMOVAL OF ENGINE ASSEMBLY, TRANSMISSION ASSEMBLY AS ONE UNIT..........................................................................589 INSTALLATION OF ENGINE ASSEMBLY, TRANSMISSION ASSEMBLY AS ONE UNIT.....................................................................590 REMOVAL OF TRANSMISSION ASSEMBLY.......................................................................................................591 INSTALLATION OF TRANSMISSION ASSEMBLY..................................................................................................593 DISASSEMBLY OF TORQUE CONVERTER ASSEMBLY...............................................................................................596 ASSEMBLY OF TORQUE CONVERTER ASSEMBLY..................................................................................................598 DISASSEMBLY OF TRANSMISSION ASSEMBLY...................................................................................................602 ASSEMBLY OF TRANSMISSION ASSEMBLY......................................................................................................618 REMOVAL OF FINAL DRIVE ASSEMBLY........................................................................................................639 INSTALLATION OF FINAL DRIVE ASSEMBLY...................................................................................................642 DISASSEMBLY OF FINAL DRIVE ASSEMBLY....................................................................................................644 ASSEMBLY OF FINAL DRIVE ASSEMBLY.......................................................................................................645 DISASSEMBLY OF FINAL BRAKE CASE........................................................................................................648 ASSEMBLY OF FINAL BRAKE CASE...........................................................................................................649 DISASSEMBLY OF SIDE CASE...............................................................................................................651 ASSEMBLY OF SIDE CASE..................................................................................................................652 DISASSEMBLY OF DIFFERENTIAL GEAR ASSEMBLY..............................................................................................654 ASSEMBLY OF DIFFERENTIAL GEAR ASSEMBLY.................................................................................................655 DISASSEMBLY OF BEVEL GEAR..............................................................................................................658 ASSEMBLY OF BEVEL GEAR.................................................................................................................659 DISASSEMBLY OF BEVEL PINION ASSEMBLY...................................................................................................660 ASSEMBLY OF BEVEL PINION ASSEMBLY......................................................................................................661 REMOVAL OF OPERATOR'S CAB ASSEMBLY.....................................................................................................662 INSTALLATION OF OPERATOR'S CAB ASSEMBLY................................................................................................664 REMOVAL OF OPERATOR'S CAB FLOOR........................................................................................................666 INSTALLATION OF OPERATOR'S CAB FLOOR...................................................................................................668 REMOVAL OF STEERING VALVE (ORBIT-ROLL).................................................................................................670 INSTALLATION OF STEERING VALVE (ORBIT-ROLL)............................................................................................670 STANDARD INTEGRAL ORBIT-ROLL...........................................................................................................671 DISASSEMBLY OF STEERING VALVE..........................................................................................................673 ASSEMBLY OF STEERING VALVE.............................................................................................................676 REMOVAL OF BLADE ASSEMBLY..............................................................................................................681 INSTALLATION OF BLADE ASSEMBLY.........................................................................................................681 REMOVAL OF CIRCLE DRAWBAR ASSEMBLY.....................................................................................................682 INSTALLATION OF CIRCLE DRAWBAR ASSEMBLY................................................................................................683 REMOVAL OF BLADE CIRCLE GEAR ASSEMBLY..................................................................................................684 INSTALLATION OF BLADE CIRCLE GEAR ASSEMBLY.............................................................................................685 REMOVAL OF BLADE CIRCLE ROTATION GEAR ASSEMBLY (WTH SHEAR PIN).........................................................................686 INSTALLATION OF BLADE CIRCLE ROTATION GEAR ASSEMBLY (WTH SHEAR PIN)....................................................................687 DISASSEMBLY OF BLADE CIRCLE ROTATION GEAR ASSEMBLY (WITH SHEAR PIN)....................................................................688 ASSEMBLY OF BLADE CIRCLE ROTATION GEAR ASSEMBLY (WITH SHEAR PIN).......................................................................690 DISASSEMBLY OF CIRCLE ROTATING GEAR ASSEMBLY (WITH SLIP CLUTCH)........................................................................692 ASSEMBLY OF CIRCLE ROTATING GEAR ASSEMBLY (WITH SLIP CLUTCH)...........................................................................694 90 OTHERS..................................................................................................................................697 TRANSMISSION HYDRAULIC CIRCUIT (SERIAL NO.:50001-51000)................................................................................698 TRANSMISSION HYDRAULIC CIRCUIT (SERIAL NO.:51001 AND UP)...............................................................................699 HYDRAULIC CIRCUIT DIAGRAM (SERIAL NO.:50001-51000).....................................................................................700 HYDRAULIC CIRCUIT DIAGRAM (1/2) (SERIAL NO.:51001 AND UP)..............................................................................701 HYDRAULIC CIRCUIT DIAGRAM (2/2) (SERIAL NO.:51001 AND UP)..............................................................................702 ELECTRICAL CIRCUIT DIAGRAM (1/6) (SERIAL NO.:50001-51000)..............................................................................703 ELECTRICAL CIRCUIT DIAGRAM (2/6) (SERIAL NO.:50001-51000)..............................................................................704 ELECTRICAL CIRCUIT DIAGRAM (3/6) (SERIAL NO.:50001-51000)..............................................................................705 ELECTRICAL CIRCUIT DIAGRAM (4/6) (SERIAL NO.:50001-51000)..............................................................................706 ELECTRICAL CIRCUIT DIAGRAM (5/6) (SERIAL NO.:50001-51000)..............................................................................707 ELECTRICAL CIRCUIT DIAGRAM (6/6) (SERIAL NO.:50001-51000)..............................................................................708 ELECTRICAL CIRCUIT DIAGRAM (1/6) (SERIAL NO.:51001 AND UP).............................................................................709 ELECTRICAL CIRCUIT DIAGRAM (2/6) (SERIAL NO.:51001 AND UP).............................................................................710 ELECTRICAL CIRCUIT DIAGRAM (3/6) (SERIAL NO.:51001 AND UP).............................................................................711 ELECTRICAL CIRCUIT DIAGRAM (4/6) (SERIAL NO.:51001 AND UP).............................................................................712 ELECTRICAL CIRCUIT DIAGRAM (5/6) (SERIAL NO.:51001 AND UP).............................................................................713 ELECTRICAL CIRCUIT DIAGRAM (6/6) (SERIAL NO.:51001 AND UP).............................................................................714
KOMATSU GD555-3C, GD655-3C, GD675-3C MOTOR GRADER SHOP MANUAL 50001 AND UP – PDF DOWNLOAD:
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