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Komatsu PC200-5 MIGHTY, PC200LC-5 MIGHTY, PC220-5, PC220LC-5 Excavator Shop Manual – PDF DOWNLOAD
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Komatsu PC200-5 MIGHTY, PC200LC-5 MIGHTY, PC220-5, PC220LC-5 Excavator Shop Manual
MACHINE MODEL:
PC2004
PC2004 MIGHTY
PC2OOLC-5
PC2OOLC-5 MIGHTY
PC220-5
PC22OLC-5
SERIAL NO.
45001 and up
A70001 and up
58019 and up
45001 and up
A70001 and up
58019 and up
35001 and up
35001 and up
A70001 and up
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Description
Komatsu PC200-5 MIGHTY, PC200LC-5 MIGHTY, PC220-5, PC220LC-5 Excavator Shop Manual
FILE DETAILS:
Komatsu PC200-5 MIGHTY, PC200LC-5 MIGHTY, PC220-5, PC220LC-5 Excavator Shop Manual
Brands: Komatsu
Equipment Type: Hydraulic Excavator
Manuals Type: Shop Manual
Machine Model: PC200-5, PC200LC-5, PC200-5 MIGHTY, PC200LC-5 MIGHTY, PC220-5, PC220LC-5
Serial Number: 45001 and up, A70001 and up, 58019 and up, 35001 and up
Book Code: SEBMA2050508 (SEBM02050508)
Language: English
Pages: 696
File Format: Portable Document Format (PDF)
DESCRIPTION:
Komatsu PC200-5 MIGHTY, PC200LC-5 MIGHTY, PC220-5, PC220LC-5 Excavator Shop Manual
FOREWORD:
- 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 chapters for each main group of components; these chapters are further divided into the following sections.
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.
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” 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.
MAINTENANCE STANDARD:
This section gives the judgement standards when inspecting disassembled parts.
TABLE OF CONTENTS:
Komatsu PC200-5 MIGHTY, PC200LC-5 MIGHTY, PC220-5, PC220LC-5 Excavator Shop Manual
MAIN MENU.................................................................................................................................................. 0 CONTENTS................................................................................................................................................... 2 10 STRUCTURE AND FUNCTION.................................................................................................................................. 29 ENGINE RELATED PARTS AND ENGINE MOUNT.................................................................................................................. 30 RADIATOR OIL COOLER AND AFTER-COOLER .................................................................................................................. 31 FUEL TANK AND PIPING .................................................................................................................................. 34 POWER TRAIN ........................................................................................................................................... 36 FINAL DRIVE ........................................................................................................................................... 37 SWING CIRCLE .......................................................................................................................................... 39 SWING MACHINERY ....................................................................................................................................... 40 TRACK FRAME AND RECOIL SPRING ......................................................................................................................... 41 IDLER ................................................................................................................................................. 42 TRACK ROLLER, CARRIER ROLLER .......................................................................................................................... 43 TRACK SHOE ............................................................................................................................................ 44 HYDRAULIC PIPING....................................................................................................................................... 47 HYDRAULIC CIRCUIT DIAGRAM.............................................................................................................................. 48 HYDRAULIC TANK ........................................................................................................................................ 54 OLSS (Open center Load Sensing System) ................................................................................................................ 55 HYDRAULIC PUMP ........................................................................................................................................ 57 CONTROL VALVE ......................................................................................................................................... 76 SWING MOTOR............................................................................................................................................100 CENTER SWIVEL JOINT ...................................................................................................................................104 TRAVEL MOTOR ..........................................................................................................................................106 VALVE CONTROL .........................................................................................................................................113 PPC VALVE .............................................................................................................................................114 ACCUMULATOR ...........................................................................................................................................124 SAFETY LOCK VALVE .....................................................................................................................................125 SOLENOID VALVE ASSEMBLY ...............................................................................................................................126 SHUTTLE VALVE .........................................................................................................................................133 BOOM HOLDING VALVE ....................................................................................................................................134 HYDRAULIC CYLINDER ....................................................................................................................................138 ELECTRICAL WIRING DIAGRAM .............................................................................................................................140 ELECTRICAL CIRCUIT DIAGRAM.............................................................................................................................142 ENGINE CONTROL SYSTEM .................................................................................................................................153 GOVERNOR MOTOR LINKAGE.................................................................................................................................154 PEMC SYSTEM ...........................................................................................................................................166 EMACC..................................................................................................................................................201 20 TESTING AND ADJUSTING ..................................................................................................................................209 TABLE OF JUDGEMENT STANDARD VALUE .....................................................................................................................210 STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM ............................................................................................................226 TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING .....................................................................................................241 ADJUSTING VALVE CLEARANCE .............................................................................................................................242 MEASURING COMPRESSION PRESSURE.........................................................................................................................243 TESTING AND ADJUSTING FUEL INJECTION TIMING ...........................................................................................................244 TESTING AND ADJUSTING TRAVEL OF GOVERNOR MOTOR LEVER .................................................................................................245 INSPECTION OF SWING CIRCLE BEARING CLEARANCE...........................................................................................................246 ADJUSTING ENGINE SPEED SENSOR .........................................................................................................................248 TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT ....................................................................249 TESTING AND ADJUSTING CHARGING PUMP PRESSURE ..........................................................................................................252 TESTING AND ADJUSTING MAIN PUMP CONTROL PRESSURE ......................................................................................................254 MEASURING STROKE OF SERVO PISTON ......................................................................................................................261 MEASURING OUTPUT PRESSURE OF PPC VALVE ................................................................................................................264 ADJUSTING WORK EQUIPMENT, SWING PPC VALVE .............................................................................................................266 TESTING PPC SHUTTLE VALVE .............................................................................................................................268 MEASURING SOLENOID VALVE OUTLET PORT PRESSURE .........................................................................................................269 TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT ..........................................................................................270 BLEEDING AIR ..........................................................................................................................................272 RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT......................................................................................................274 TROUBLESHOOTING........................................................................................................................................275 POINTS TO REMEMBER WHEN TROUBLESHOOTING ...........................................................................................................276 SEQUENCE OF EVENTS IN TROUBLESHOOTING .............................................................................................................277 PRECAUTIONS WHEN CARRYING OUT MAINTENANCE .........................................................................................................278 CHECKS BEFORE TROUBLESHOOTING .....................................................................................................................285 ELECTRICAL CIRCUIT DIAGRAM ........................................................................................................................286 POSITION OF CONNECTORS FOR TROUBLESHOOTING ........................................................................................................294 CONNECTION TABLE FOR CONNECTOR.....................................................................................................................298 EXPLANATION OF FUNCTIONS OF CONTROL MECHANISM OF ELECTRICAL SYSTEM.................................................................................308 DISPLAY METHOD FOR MONITOR PANEL, PUMP CONTROLLER AND ENGINE THROTTLE CONTROLLER .................................................................312 ACTION OF SELF-DIAGNOSTIC FUNCTION AND SYMPTOMS ON MACHINE.........................................................................................316 METHOD OF USING JUDGEMENT TABLE....................................................................................................................321 METHOD OF USING TROUBLESHOOTING CHARTS ............................................................................................................324 TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER SYSTEM (E MODE)......................................................................................327 ENGINE THROTTLE CONTROLLER OR IN ENGINE RELATED PARTS..........................................................................................328 POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING ON ENGINE THROTTLE CONTROLLER SYSTEM ...................................................329 FAILURE MODE ..................................................................................................................................330 SELF-DIAGNOSTIC DISPLAY....................................................................................................................330 E-1 [Abnormality in power source system or controller] is displayed (All lamps OFF) ..................................................330 E-2 [Short circuit in governor motor] is displayed ....................................................................................336 E-3 [Abnormality in battery relay] is displayed .......................................................................................337 E-4 [Disconnection in wiring harness of governor inotor] is displayed ................................................................339 E-5 [Abnormality in governor potentiometer] is displayed .............................................................................340 E-6 [Abnormality in fuel control dial] is displayed ...................................................................................342 E-7 [Abnormality in No. 2 throttle signal] is displayed ...............................................................................344 NO SELF-DIAGNOSTIC DISPLAY.................................................................................................................346 E-8 Engine does not start .............................................................................................................346 E-9 Engine rotation is irregular ......................................................................................................350 a) Idling rotation is irregular....................................................................................................350 b) There is hunting................................................................................................................352 E-10 Lack of output power (max. engine speed is too low) ..............................................................................358 E-11 Engine does not stop. ............................................................................................................362 E-12 Automatic warming-up operation is defective ......................................................................................368 TROUBLESHOOTING OF PUMP CONTROLLER SYSTEM (C MODE).................................................................................................369 CHART FOR DISTINGUISHING IF FAILURE IS IN PUMP CONTROLLER OR IN HYDRAULIC RELATED PARTS........................................................370 FAILURE MODE...................................................................................................................................372 C-1 [OFF] Self-diagnostic display of controller does not light up..........................................................................372 C-2 [01] is displayed......................................................................................................................375 C-3 [03] is displayed......................................................................................................................376 C-4 [04] is displayed......................................................................................................................377 C-5 [05] is displayed......................................................................................................................378 C-6 [07] is displayed......................................................................................................................379 C-7 [08] is displayed .....................................................................................................................380 C-8 [09] is displayed .....................................................................................................................381 C-9 [11] is displayed......................................................................................................................382 C-10 [13] is displayed.....................................................................................................................383 C-11 [14] is displayed ....................................................................................................................384 C-12 [15] is displayed.....................................................................................................................385 C-13 [17] is displayed ....................................................................................................................386 C-14 [18] is displayed ....................................................................................................................387 C-15 [21] is displayed ....................................................................................................................388 C-16 [22] is displayed ....................................................................................................................389 C-17 [23] is displayed ....................................................................................................................390 C-18 [24] is displayed ....................................................................................................................392 C-19 [25] is displayed ....................................................................................................................394 C-20 [26] is displayed ....................................................................................................................396 C-21 [28] is displayed.....................................................................................................................397 C-22 [29] is displayed ....................................................................................................................398 C-23 [. . ] is displayed ..................................................................................................................399 TROUBLESHOOTING OF PUMP CONTROLLER INPUT SIGNAL SYSTEM (F MODE)....................................................................................401 FAILURE MODE...................................................................................................................................402 F-1 Pump controller monitor does not display [P1] .........................................................................................402 F-2 Pump controller monitor does not display [P2] .........................................................................................403 F-3 Pump controller monitor does not display [P6] .........................................................................................405 F-4 Pump controller monitor does not display [b5] .........................................................................................406 F-5 Pump controller monitor does not display [Hi or Lo] ...................................................................................407 F-6 Pump controller monitor does not display [Ad]..........................................................................................408 F-7 Pump controller monitor does not display [UP]..........................................................................................409 F-8 Pump controller monitor does not display [ . ] ........................................................................................410 F-9 Pump controller working mode display does not switch ..................................................................................411 F-10 Pump controller power set display does not switch ....................................................................................412 TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)........................................................................................413 FAILURE MODE...................................................................................................................................414 WORK EQUIPMENT, TRAVEL, SWING SYSTEM.......................................................................................................414 H-1 Speeds of work equipment, travel, swing are all slow ..............................................................................414 H-2 There is excessive drop in engine speed, or engine stalls .........................................................................416 H-3 Work equipment, travel, swing do not move, or speed is extremely slow ............................................................418 H-4 Work equipment, travel, swing lack power ..........................................................................................420 H-5 Power set selection system does not switch ........................................................................................420 H-6 Abnormal noise generated (from around pump) .......................................................................................421 H-7 Auto-deceleration does not work ...................................................................................................421 WORK EQUIPMENT SYSTEM......................................................................................................................422 H-8 Boom, arm speed is extremely slow .................................................................................................422 H-9 Work equipment (boom, arm, bucket) speed is slow ..................................................................................424 H-10 When boom and arm are operated simultaneously, boom is slow. ....................................................................426 H-11 Work equipment (boom, arm, bucket) lacks power. ..................................................................................426 H-12 Excessive hydraulic drift ........................................................................................................426 H-13 Excessive time lag ...............................................................................................................428 H-14 Does not enter finishing operation mode ..........................................................................................428 H-15 When arm and swing are operated simultaneously, arm is slow......................................................................428 TRAVEL SYSTEM..............................................................................................................................430 H-16 When machine is traveling, it deviates naturally to one side ....................................................................430 a) Deviates in same direction both in forward and reverse..........................................................................430 b) Deviates in different direction in forward and reverse..........................................................................432 H-17 Excessive deviation during compound operations ...................................................................................433 H-18 Excessive deviation when starting ................................................................................................434 H-19 Travel lacks power (or speed is slow) ............................................................................................436 H-20 Travel speed does not switch .....................................................................................................436 H-21 Machine does not move (one side only) ............................................................................................437 SWING SYSTEM...............................................................................................................................438 H-22 Does not swing ...................................................................................................................438 H-23 Swing speed is slow or acceleration is poor ......................................................................................440 H-24 Excessive overrun when stopping swing ............................................................................................441 H-25 Excessive shock when stopping swing...............................................................................................441 H-26 Excessive abnormal noise when stopping swing .....................................................................................442 H-27 Excessive hydraulic drift of swing ...............................................................................................442 H-28 When operated simultaneously with arm, swing is slow ............................................................................442 TABLE OF FAILURE MODES AND CAUSES..............................................................................................................443 TROUBLESHOOTING OF MONITOR SYSTEM (P MODE).........................................................................................................445 FAILURE MODE...................................................................................................................................446 P-1 Monitor panel lamps do not light up for 3 seconds when starting switch is turned ON ......................................................446 a) No monitor panel lamps light up.........................................................................................................446 b) Some monitor panel lamps do not light up................................................................................................446 P-2 Monitor panel lamps all light up when starting switch is turned ON, but do not go out ....................................................447 P-3 When starting switch is turned ON (engine stopped). CHECK items flash (Levels for CHECK items are as specified) ..........................448 a) Coolant level flashes...................................................................................................................448 b) Engine oil level flashes................................................................................................................449 c) Hydraulic oil level flashes.............................................................................................................450 P-4 Preheating is not being used, but preheating display lights up ...........................................................................451 P-5 When starting switch is turned ON and engine is started, CHECK items flash ...............................................................452 a) Alternator system.......................................................................................................................452 b) Engine oil pressure system..............................................................................................................452 P-6 When starting switch is turned ON (engine stopped), CAUTION items flash ..................................................................453 P-7 When starting switch is turned ON and engine is started, CAUTION items flash (When there is no abnormality in CHECK items or engine) ....454 a) Engine oil pressure flashes.............................................................................................................454 b) Coolant level flashes...................................................................................................................454 c) Coolant temperature flashes.............................................................................................................455 d) Charge flashes..........................................................................................................................455 e) Fuel level flashes......................................................................................................................456 P-8 ...........................................................................................................................................457 a) When starting switch is turned ON (engine stopped), buzzer does not sound for 1 second CAUTION item is flashing but buzzer ...........457 b) There is no abnormality display on the monitor, but the buzzer sounds .................................................................457 P-9 Panel lighting of monitor panel does not light up (liquid crystal display is normal) .....................................................458 P-10 Coolant temperature shows abnormally low temperature ....................................................................................459 P-11 Coolant temperature gauge gives no display (during operation, no level of gauge is displayed) ...........................................459 P-12 Fuel gauge always displays FULL ..........................................................................................................460 P-13 Fuel gauge gives no display ..............................................................................................................460 P-14...........................................................................................................................................461 a) Lamps do not light .....................................................................................................................461 b) Lamps light up even when lamp switch is not operated ..................................................................................461 P-15...........................................................................................................................................463 a) Wipers do not work .....................................................................................................................463 b) Wipers work even when wiper switch is not operated ....................................................................................463 P-16 ..........................................................................................................................................465 a) Fan does not work ......................................................................................................................465 b) Fan works even when fan switch is not operated .........................................................................................465 P-17 Working mode does not switch .............................................................................................................467 P-18 Power set does not switch ................................................................................................................468 P-19 Auto-deceleration does not switch (Does not enter auto-deceleration; auto-deceleration is not canceled) .................................469 P-20 Travel speed does not switch between Hi and Lo ...........................................................................................470 P-21 Warming-up operation is not carried out below 3O”C, or warming-up operation is not canceled even when temperature goes above 30°C ......471 P-22 Even when swing lock switch is turned ON (LOCK), swing lock lamp on monitor panel does not light up .....................................472 P-23 Fuel level sensor system defective .......................................................................................................473 P-24 Coolant temperature sensor system defective ..............................................................................................474 P-25 Defective engine oil level sensor system .................................................................................................475 P-26 Coolant level sensor system defective ....................................................................................................476 P-27 Hydraulic oil level sensor system defective ..............................................................................................477 30 DISASSEMBLY AND ASSEMBLY ...............................................................................................................................479 METHOD OF USING MANUAL ................................................................................................................................482 PRECAUTIONS WHEN CARRYING OUT OPERATION ...............................................................................................................483 SPECIAL TOOL LIST .....................................................................................................................................485 WEIGHT TABLE ..........................................................................................................................................487 TIGHTENING TORQUES AND STANDARD VALUES TABLE ..........................................................................................................489 LUBRICANT AND COOLANT TABLE............................................................................................................................491 STARTING MOTOR ........................................................................................................................................492 REMOVAL AND INSTALLATION...........................................................................................................................492 ALTERNATOR.............................................................................................................................................492 REMOVAL AND INSTALLATION...........................................................................................................................492 ENGINE OIL COOLER......................................................................................................................................494 REMOVAL AND INSTALLATION...........................................................................................................................494 FUEL INJECTION PUMP ...................................................................................................................................494 REMOVAL AND INSTALLATION...........................................................................................................................494 WATER PUMP ............................................................................................................................................496 REMOVAL AND INSTALLATION...........................................................................................................................496 NOZZLE HOLDER .........................................................................................................................................496 REMOVAL AND INSTALLATION...........................................................................................................................496 TURBOCHARGER...........................................................................................................................................498 REMOVAL AND INSTALLATION...........................................................................................................................498 THERMOSTAT.............................................................................................................................................498 REMOVAL AND INSTALLATION...........................................................................................................................498 ENGINE FRONT SEAL .....................................................................................................................................500 REMOVAL AND INSTALLATION...........................................................................................................................500 ENGINE REAR SEAL ......................................................................................................................................500 REMOVAL AND INSTALLATION...........................................................................................................................500 GOVERNOR MOTOR ........................................................................................................................................502 REMOVAL AND INSTALLATION...........................................................................................................................502 CYLINDER HEAD .........................................................................................................................................504 REMOVAL AND INSTALLATION...........................................................................................................................504 AFTER-COOLER ..........................................................................................................................................506 REMOVAL AND INSTALLATION...........................................................................................................................506 HYDRAULIC COOLER.......................................................................................................................................506 REMOVAL AND INSTALLATION...........................................................................................................................506 RADIATOR, HYDRAULIC COOLER ............................................................................................................................508 REMOVAL AND INSTALLATION...........................................................................................................................508 ENGINE, HYDRAULIC PUMP.................................................................................................................................510 REMOVAL AND INSTALLATION...........................................................................................................................510 DAMPER.................................................................................................................................................512 REMOVAL AND INSTALLATION ..........................................................................................................................512 CENTER SWIVEL JOINT ...................................................................................................................................512 REMOVAL AND INSTALLATION...........................................................................................................................512 DISASSEMBLY AND ASSEMBLY...........................................................................................................................514 FINAL DRIVE............................................................................................................................................514 REMOVAL AND INSTALLATION...........................................................................................................................514 DISASSEMBLY........................................................................................................................................516 ASSEMBLY...........................................................................................................................................518 SPROCKET ..............................................................................................................................................524 REMOVAL AND INSTALLATION...........................................................................................................................524 TRAVEL MOTOR...........................................................................................................................................526 DISASSEMBLY........................................................................................................................................526 ASSEMBLY...........................................................................................................................................530 SWING MOTOR...........................................................................................................................................540 REMOVAL AND INSTALLATION...........................................................................................................................540 DISASSEMBLY .......................................................................................................................................541 ASSEMBLY ..........................................................................................................................................544 SWING MACHINERY........................................................................................................................................549 REMOVAL AND INSTALLATION ..........................................................................................................................549 DISASSEMBLY........................................................................................................................................550 ASSEMBLY...........................................................................................................................................552 REVOLVING FRAME........................................................................................................................................558 REMOVAL AND INSTALLATION...........................................................................................................................558 SWING CIRCLE ..........................................................................................................................................560 REMOVAL AND INSTALLATION...........................................................................................................................560 IDLER, RECOIL SPRING..................................................................................................................................560 REMOVAL AND INSTALLATION...........................................................................................................................560 DISASSEMBLY AND ASSEMBLY ..........................................................................................................................562 TRACK ROLLER ..........................................................................................................................................564 REMOVAL AND INSTALLATION...........................................................................................................................564 CARRIER ROLLER ........................................................................................................................................564 REMOVAL AND INSTALLATION...........................................................................................................................564 TRACK SHOE.............................................................................................................................................566 REMOVAL AND INSTALLATION...........................................................................................................................566 CHARGING PUMP.........................................................................................................................................568 REMOVAL AND INSTALLATION ..........................................................................................................................568 HYDRAULIC PUMP.........................................................................................................................................568 REMOVAL AND INSTALLATION...........................................................................................................................568 DISASSEMBLY .......................................................................................................................................570 ASSEMBLY...........................................................................................................................................575 MAIN PUMP INPUT SHAFT .................................................................................................................................588 REMOVAL AND INSTALLATION...........................................................................................................................588 CONTROL VALVE..........................................................................................................................................588 REMOVAL AND INSTALLATION...........................................................................................................................588 DISASSEMBLY........................................................................................................................................590 ASSEMBLY ..........................................................................................................................................592 MAIN RELIEF VALVE......................................................................................................................................594 REMOVAL AND INSTALLATION...........................................................................................................................594 DISASSEMBLY AND ASSEMBLY ..........................................................................................................................594 TVC VALVE..............................................................................................................................................596 REMOVAL AND INSTALLATION...........................................................................................................................596 CO-NC VALVE............................................................................................................................................596 REMOVAL AND INSTALLATION ..........................................................................................................................596 SERVO VALVE ...........................................................................................................................................596 REMOVAL AND INSTALLATION...........................................................................................................................596 WORK EQUIPMENT PPC VALVE...............................................................................................................................598 REMOVAL AND INSTALLATION...........................................................................................................................598 DISASSEMBLY AND ASSEMBLY ..........................................................................................................................600 TRAVEL PPC VALVE.......................................................................................................................................604 REMOVAL AND INSTALLATION...........................................................................................................................604 DISASSEMBLY AND ASSEMBLY ..........................................................................................................................604 BOOM HOLDING VALVE....................................................................................................................................606 REMOVAL AND INSTALLATION ..........................................................................................................................606 DISASSEMBLY AND ASSEMBLY...........................................................................................................................606 PPC SHUTTLE VALVE......................................................................................................................................608 REMOVAL AND INSTALLATION...........................................................................................................................608 BOOM CYLINDER..........................................................................................................................................610 REMOVAL AND INSTALLATION...........................................................................................................................610 ARM CYLINDER...........................................................................................................................................612 REMOVAL AND INSTALLATION...........................................................................................................................612 BUCKET CYLINDER .......................................................................................................................................614 REMOVAL AND INSTALLATION...........................................................................................................................614 HYDRAULIC CYLINDER.....................................................................................................................................616 DISASSEMBLY........................................................................................................................................616 ASSEMBLY ..........................................................................................................................................618 WORK EQUIPMENT ........................................................................................................................................620 REMOVAL AND INSTALLATION...........................................................................................................................620 BUCKET.................................................................................................................................................622 REMOVAL AND INSTALLATION ..........................................................................................................................622 ARM....................................................................................................................................................622 REMOVAL AND INSTALLATION...........................................................................................................................622 ARM, BUCKET............................................................................................................................................624 REMOVAL AND INSTALLATION...........................................................................................................................624 BOOM ..................................................................................................................................................626 REMOVAL AND INSTALLATION...........................................................................................................................626 CAB ...................................................................................................................................................628 REMOVAL AND INSTALLATION...........................................................................................................................628 COUNTERWEIGHT .........................................................................................................................................628 REMOVAL AND INSTALLATION...........................................................................................................................628 ENGINE THROTTLE CONTROLLER.............................................................................................................................630 REMOVAL AND INSTALLATION ..........................................................................................................................630 PUMP CONTROLLER........................................................................................................................................630 REMOVAL AND INSTALLATION...........................................................................................................................630 MONITOR PANEL..........................................................................................................................................630 REMOVAL AND INSTALLATION...........................................................................................................................630 40 MAINTENANCE STANDARD ..................................................................................................................................641 FINAL DRIVE ...........................................................................................................................................642 SWING MACHINERY .......................................................................................................................................644 SWING CIRCLE ..........................................................................................................................................646 TRACK FRAME AND RECOIL SPRING .........................................................................................................................647 IDLER .................................................................................................................................................648 TRACK ROLLER ..........................................................................................................................................650 CARRIER ROLLER ........................................................................................................................................651 TRACK..................................................................................................................................................652 HYDRAULIC PUMP ........................................................................................................................................655 CHARGING PUMP AND RELIEF VALVE ........................................................................................................................656 CONTROL VALVE .........................................................................................................................................657 SWING MOTOR ...........................................................................................................................................682 CENTER SWIVEL JOINT ...................................................................................................................................683 TRAVEL MOTOR ..........................................................................................................................................684 PPC VALVE .............................................................................................................................................685 BOOM HOLDING VALVE ....................................................................................................................................688 HYDRAULIC CYLINDER ....................................................................................................................................690 WORK EQUIPMENT ........................................................................................................................................692
KOMATSU PC200-5 MIGHTY, PC200LC-5 MIGHTY, PC220-5, PC220LC-5 EXCAVATOR SHOP MANUAL – PDF DOWNLOAD:
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