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Komatsu PC150-6K PC150LC-6K Hydraulic Excavator Shop Manual CEBM001601 – PDF DOWNLOAD
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Komatsu PC150-6K PC150LC-6K Hydraulic Excavator Shop Manual
SERIAL NUMBERS:
PC1504K – K30001 and up
PC1 50LC4K – K30001 and up
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Description
Komatsu PC150-6K PC150LC-6K Hydraulic Excavator Shop Manual
FILE DETAILS:
Komatsu PC150-6K PC150LC-6K Hydraulic Excavator Shop Manual
Brands: Komatsu
Equipment Type: Hydraulic Excavator
Manuals Type: Shop Manual
Machine Model: PC150-6K, PC150LC-6K
Serial Number: A30001 and up
Book Code: CEBM001601
Language: English
Pages: 617
File Format: Portable Document Format (PDF)
TABLE OF CONTENTS:
Komatsu PC150-6K PC150LC-6K Hydraulic Excavator Shop Manual
MAIN MENU.................................................................................................................................... 0 COVER PAGE................................................................................................................................... 1 TABLE OF CONTENTS............................................................................................................................ 2 01 GENERAL.................................................................................................................................. 10 SPECIFICATIONS........................................................................................................................... 11 SPECIFICATION DRAWINGS................................................................................................................... 13 WEIGHT TABLE............................................................................................................................. 17 FUEL, COOLANT AND LUBRICANTS............................................................................................................. 19 10 STRUCTURE AND FUNCTION................................................................................................................... 21 ENGINE RELATED PARTS..................................................................................................................... 22 RADIATOR, OIL COOLER..................................................................................................................... 23 POWER TRAIN.............................................................................................................................. 24 FINAL DRIVE.............................................................................................................................. 25 SWING CIRCLE............................................................................................................................. 26 SWING MACHINERY.......................................................................................................................... 27 TRACK FRAME, RECOIL SPRING............................................................................................................... 29 TRACK SHOE............................................................................................................................... 30 HYDRAULIC PIPING DRAWING................................................................................................................. 32 HYDRAULIC CIRCUIT DIAGRAM................................................................................................................ 33 HYDRAULIC TANK........................................................................................................................... 37 HYDRAULIC PUMP........................................................................................................................... 38 CONTROL VALVE............................................................................................................................ 45 CLSS..................................................................................................................................... 51 SWING MOTOR.............................................................................................................................. 88 CENTER SWIVEL JOINT...................................................................................................................... 90 TRAVEL MOTOR............................................................................................................................. 91 VALVE CONTROL............................................................................................................................ 99 WORK EQUIPMENT, SWING PPC VALVE..........................................................................................................100 TRAVEL PPC VALVE.........................................................................................................................104 SERVICE PPC VALVE........................................................................................................................108 SAFETY LOCK VALVE........................................................................................................................111 PPC ACCUMULATOR..........................................................................................................................111 PPC SHUTTLE, TRAVEL JUNCTION VALVE.......................................................................................................112 EPC, SOLENOID VALVE......................................................................................................................119 HYDRAULIC CYLINDER.......................................................................................................................124 ADDITIONAL FILTER FOR BREAKER............................................................................................................126 BOOM HOLDING VALVE.......................................................................................................................127 WORK EQUIPMENT...........................................................................................................................130 ELECTRICAL CONTROL SYSTEM................................................................................................................131 ELECTRICAL WIRING DIAGRAM................................................................................................................131 ENGINE CONTROL SYSTEM....................................................................................................................146 ELECTRONIC CONTROL SYSTEM................................................................................................................152 MACHINE MONITOR SYSTEM...................................................................................................................176 20 TESTING AND ADJUSTING....................................................................................................................183 TABLE OF JUDGEMENT STANDARD VALUE........................................................................................................184 STANDARD VALUE TABLE FOR ELECTRICAL PARTS................................................................................................194 CHECKING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR.......................................................................202 ADJUSTING ENGINE SPEED SENSOR............................................................................................................203 TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE........................................................................................204 TESTING CLEARANCE OF SWING CIRCLE BEARING................................................................................................206 TESTING AND ADJUSTING TRACK SHOE TENSION.................................................................................................207 TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT........................................................208 TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)............................................................211 TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL.........................................213 TESTING AND ADJUSTING PRESSURE...........................................................................................................216 TESTING EPC VALVE, SOLENOID VALVE OUTPUT PRESSURE........................................................................................218 MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE........................................................................220 ADJUSTING WORK EQUIPMENT, SWINP PPC VALVE................................................................................................222 TESTING TRAVEL DEVIATION.................................................................................................................223 TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT..............................................................................224 MEASURING OIL LEAKAGE....................................................................................................................226 RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT........................................................................................228 TROUBLESHOOTING..........................................................................................................................231 POINTS TO REMEMBER WHEN TROUBLESHOOTING..............................................................................................232 SEQUENCE OF EVENTS IN TROUBLESHOOTING................................................................................................233 PRECAUTIONS WHEN CARRYING OUT MAINTENANCE............................................................................................234 CHECKS BEFORE TROUBLESHOOTING........................................................................................................241 CONNECTOR TYPES AND MOUNTING LOCATIONS...............................................................................................242 CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...........................................................................................245 EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM...............................................................................258 DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL................................................................................259 METHOD OF USING JUDGEMENT TABLE......................................................................................................267 METHOD OF USING TROUBLESHOOTING CHARTS...............................................................................................269 DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE.............................................................................271 SERVICE CODE TABLE...................................................................................................................276 TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N MODE).........................................................................277 N-1 [E218] COMMUNICATION ABNORMALITY............................................................................................278 TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM) (E MODE)......................................................280 POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER SYSTEM.........................................281 ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE.......................................................282 JUDGEMENT TABLE FOR GOVERNOR, PUMP GOVERNOR (GOVERNOR CONTROL SYSTEM) AND ENGINE RELATED PARTS...................................286 ELECTRICAL CIRCUIT DIAGRAM OF GOVERNOR, PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM)................................................286 E-1 ABNORMALITY IN GOVERNOR, PUMP CONTROLLER POWER SOURCE (CONTROLLER LED IS OFF)...............................................288 E-2 [E308] ABNORMALITY IN FUEL CONTROL DIAL INPUT VALUE IS DISPLAYED............................................................289 E-3 [E317] ABNORMALITY (DISCONNECTION) IN MOTOR DRIVE SYSTEM IS DISPLAYED.......................................................290 E-4 [E318] ABNORMALITY (SHORT CIRCUIT) IN MOTOR DRIVE SYSTEM IS DISPLAYED.......................................................291 E-5 [E306] ABNORMALITY IN FEEDBACK POTENTIOMETER SYSTEM IS DISPLAYED............................................................292 E-6 [E315] ABNORMALITY (SHORT CIRCUIT) IN BATTERY RELAY OUTPUT SYSTEM IS DISPLAYED..............................................293 E-7 [E316] ABNORMALITY (STEP-OUT) IN MOTOR IS DISPLAYED.........................................................................294 E-8 ENGINE DOES NOT START.......................................................................................................295 E-9 ENGINE SPEED IS IRREGULAR...................................................................................................297 A) IDLING SPEED IS IRREGULAR................................................................................................297 B) THERE IS HUNTING..........................................................................................................299 E-10 LACK OF OUTPUT (ENGINE HIGH IDLING SPEED IS TOO LOW).......................................................................301 E-11 ENGINE DOES NOT STOP.......................................................................................................303 E-12 DEFECTIVE OPERATION OF BATTERY RELAY SYSTEM (ENGINE DOES NOT STOP).........................................................305 TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)............................................................................................307 METHOD OF USING TROUBLESHOOTING CHARTS...........................................................................................308 S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)...................................................................312 S-2 ENGINE DOES NOT START.......................................................................................................313 1) ENGINE DOES NOT TURN.....................................................................................................313 2) ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED).................................................314 3) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)...............................................315 S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)........................................................................316 S-4 ENGINE STOPS DURING OPERATIONS..............................................................................................317 S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)...................................................................................318 S-6 ENGINE LACKS OUTPUT (NO POWER)..............................................................................................319 S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)..............................................................................320 S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE).....................................................................321 S-9 OIL BECOMES CONTAMINATED QUICKLY............................................................................................322 S-10 FUEL CONSUMPTION IS EXCESSIVE..............................................................................................323 S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN....................................................324 S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE).................................................................325 S-13 OIL LEVEL RISES (WATER, FUEL IN OIL).......................................................................................326 S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)...........................................................................327 S-15 ABNORMAL NOISE IS MADE.....................................................................................................328 S-16 VIBRATION IS EXCESSIVE.....................................................................................................329 TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (PUMP CONTROL SYSTEM) (C MODE)..........................................................330 POINTS TO REMEMBER WHEN TROUBLESHOOTING PUMP CONTROLLER SYSTEM...................................................................331 ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS...............................................................................332 JUDGEMENT TABLE FOR GOVERNOR, PUMP CONTROLLER (PUMP CONTROL SYSTEM) AND HYDRAULIC RELATED PARTS..................................338 ELECTRICAL CIRCUIT DIAGRAM OF C MODE SYSTEMS.....................................................................................340 C-1 ABNORMALITY IN CONTROLLER POER SOURCE (CONTROLLER LED IS OFF)...............................................................342 C-2 [E232] SHORT CIRCUIT IN PUMP TVC SOLENOID SYSTEM IS DISPLAYED...............................................................343 C-3 [E233] DISCONNECTION IN PUMP TVC SOLENOID SYSTEM IS DISPLAYED..............................................................345 C-6 [E201] SHORT CIRCUIT IN LS BYPASS SOLENOID SYSTEM IS DISPLAYED..............................................................347 C-7 [E211] DISCONNECTION LS BYPASS SOLENOID SYSTEM IS DISPLAYED.................................................................348 C-8 [E203] SHORT CIRCUIT IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED............................................................349 C-9 [E213] DISCONNECTION IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED............................................................351 C-10 [E205] SHORT CIRCUIT IN 2-STAGE RELIEF SOLENOID SYSTEM IS DISPLAYED........................................................353 C-11 [E215] DISCONNECTION IN 2-STAGE RELIEF SOLENOID SYSTEM IS DISPLAYED........................................................354 C-12 [E206] SHORT CIRCUIT IN TRAVEL SPEED SOLENOID SYSTEM IS DISPLAYED..........................................................355 C-13 [E216] DISCONNECTION IN TRAVEL SPEED SELECTOR SOLENOID SYSTEM IS DISPLAYED.................................................356 C-14 [E217] MODEL SELECTION INPUT ERROR IS DISPLAYED............................................................................357 C-15 [E222] SHORT CIRCUIT IN LS-EPC SOLENOID SYSTEM IS DISPLAYED................................................................359 C-16 [E223] DISCONNECTION IN LS-EPC SOLENOID SYSTEM DISPLAYS....................................................................360 C-17 [E224] ABNORMALITY IN PUMP PRESSURE SENSOR SYSTEM IS DISPLAYED.............................................................361 C-19 [E226] ABNORMALITY IN PRESSURE SENSOR POWER SOURCE IS DISPLAYED............................................................362 C-20 [E227] ABNORMALITY IN ENGINE SPEED SENSOR SYSTEM IS DISPLAYED..............................................................363 TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)..........................................................364 ELECTRICAL CIRCUIT DIAGRAM FOR F MODE............................................................................................365 F-1 BIT PATTERN 20-(1) SWING OIL PRESSURE SWITCH DOES NOT LIGHT UP..............................................................367 F-2 BIT PATTERN 20-(2) TRAVEL OIL PRESSURE SWITCH DOES NOT LIGHT UP.............................................................368 F-3 BIT PATTERN 20-(3) BOOM LOWER OIL PRESSURE SWITCH DOES NOT LIGHT UP.........................................................369 F-4 BIT PATTERN 20-(4) BOOM RAISE OIL PRESSURE SWITCH DOES NOT LIGHT UP.........................................................370 F-5 BIT PATTERN 20-(5) ARM IN OIL PRESSURE SWITCH DOES NOT LIGHT UP.............................................................371 F-6 BIT PATTERN 20-6 ARM OUT OIL PRESSURE SWITCH DOES NOT LIGHT UP..............................................................372 F-7 BIT PATTERN 21-(1) BUCKET CURL OIL PRESSURE SWITCH DOES NOT LIGHT UP........................................................373 F-8 BIT PATTERN 21-(2) BUCKET DUMP OIL PRESSURE SWITCH DOES NOT LIGHT UP........................................................374 F-9 BIT PATTERN DS-(3) SWING LOCK SWITCH DOES NOT LIGHT UP......................................................................375 F-10 BIT PATTERN 22-(5) KEROSENE MODE CONNECTION DOES NOT LIGHT UP..............................................................376 F-11 BIT PATTERN 22-(6) L.H. KNOB SWITCH DOES NOT LIGHT UP......................................................................377 TROUBLESHOOTING OF HYDRAULIC MECHANICAL SYSTEM (H MODE)..............................................................................378 TABLE OF FAILURE MODES AND CAUSES................................................................................................379 ALL WORK EQUIPMENT, TRAVEL, SWING................................................................................................383 H-1 SPEEDS OF ALL WORK EQUIPMENT, SWING, TRAVEL ARE SLOW OR LACK POWER......................................................383 H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS...............................................................385 H-3 NO WORK EQUIPMENT, TRAVEL, SWING MOVE...................................................................................386 H-4 ABNORMAL NOISE GENERATED (AROUND PUMP)..................................................................................386 H-5 AUTO-DECELERATION DOES NOT WORK (WHEN PPC SHUTTLE VALVE IS CAUSE).......................................................387 H-6 FINE CONTROL ABILITY IS POOR OR RESPONSE IS POOR........................................................................387 WORK EQUIPMENT...................................................................................................................388 H-7 BOOM IS SLOW OR LACKS POWER.............................................................................................388 H-8 ARM IS SLOW OR LACKS POWER..............................................................................................390 H-9 BUCKET IS SLOW OR LACKS POWER...........................................................................................392 H-10 WORK EQUIPMENT (BOOM, ARM, BUCKET) DOES NOT MOVE (BUT TRAVEL AND SWING ARE NORMAL).....................................393 H-11 EXCESSIVE HYDRAULIC DRIFT (BOOM, ARM, BUCKET)..........................................................................393 H-12 EXCESSIVE TIME LAG (ENGINE AT LOW IDLING)..............................................................................394 H-13 OTHER EQUIPMENT MOVES WHEN SINGLE CIRCUIT IS RELIEVED..................................................................394 H-14 IN F/O MODES, WORK EQUIPMENT SPEED IS FASTER THAN SPECIFIED SPEED......................................................395 H-15 LACK OF POWER WHEN PRESSURE RISES......................................................................................395 COMPOUND OPERATIONS..............................................................................................................395 H-16 IN COMPOUND OPERATIONS, WORK EQUIPMENT WITH LARGER LOAD IS SLOW........................................................395 H-17 IN SWING + BOOM RAISE, BOOM RAISE IS SLOW..............................................................................396 H-18 IN SWING + TRAVEL, TRAVEL SPEED DROPS EXCESSIVELY......................................................................396 H-19 IN WORK EQUIPMENT BOOM RAISE + TRAVEL, TRAVEL SPEED DROPS EXCESSIVELY..................................................396 TRAVEL SYSTEM....................................................................................................................397 H-20 TRAVEL DEVIATION.......................................................................................................397 H-21 TRAVEL SPEED IS SLOW...................................................................................................398 H-22 STEERING DOES NOT TURN EASILY OR LACKS POWER...........................................................................400 H-23 TRAVEL SPEED DOES NOT SWITCH OR IS FASTER THAN SPECIFIED SPEED.........................................................402 H-24 TRAVEL DOES NOT MOVE (ONE SIDE ONLY)...................................................................................402 SWING SYSTEM.....................................................................................................................403 H-25 DOES NOT SWING (BOTH LEFT AND RIGHT, ONE DIRECTION ONLY)...............................................................403 H-26 SWING ACCELERATION IS POOR OR SWING SPEED IS SLOW (BOTH LEFT AND RIGHT, ONE DIRECTION ONLY)............................404 H-27 EXCESSIVE OVERRUN WHEN STOPPING SWING..................................................................................406 H-28 EXCESSIVE SHOCK WHEN STOPPING SWING (ONE DIRECTION ONLY)...............................................................407 H-29 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING...........................................................................407 H-30 EXCESSIVE HYDRAULIC DRIFT OF SWING (WHEN BRAKE IS ON, WHEN BRAKE IS OFF................................................408 H-31 SWING SPEED IS FASTER THAN SPECIFIED SWING SPEED.......................................................................409 TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)...................................................................................410 ACTION TAKEN BY MONITOR PANEL WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE....................................................411 ELECTRICAL CIRCUIT DIAGRAM FOR MONITOR SYSTEM....................................................................................413 M-1 [E101] ABNORMALITY IN ERROR DATA IS DISPLAYED [E102] ERROR IN CLOCK DATA IS DISPLAYED......................................415 M-2 [E103] SHORT CIRCUIT IN BUZZER OUTPUT OR CONTACT OF 24V WIRING HARNESS WITH BUZZER DRIVE HARNESS IS DISPLAYED...............416 M-3 [E104] AIR CLOGGING DETECTED IS DISPLAYED...................................................................................417 M-4 [E106] DROP IN ENGINE OIL PRESSURE DETECTED IS DISPLAYED...................................................................417 M-5 [E108] ENGINE WATER TEMPERATURE 105C DETECTED IS DISPLAYED..................................................................418 M-6 WHEN STARTING SWITCH IS TURNED ON, NONE OF THE LAMPS ON THE MONITOR PANEL IS LIGHT UP FOR 3 SECONDS.........................419 M-7 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL LAMPS ALL STAY LIGHTED UP AND DO NOT GO OUT................................421 M-8 WHEN STARTING SWITCH IS TURNED ON, ITEMS LIGHTED UP ON MONITOR PANEL ARE DIFFERENT FROM ACTUAL MACHINE (MODEL)..............421 M-9 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BASIC CHECK ITEMS FLASHES...............................................422 M-10 PREHEATING IS NOT BEING USED BUT (PREHEATING MONITOR) LIGHTS UP............................................................424 M-11 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, BASIC CHECK ITEMS FLASH...........................................425 M-12 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS, EMERGENCY ITEMS FLASH (BATTERY, ENGINE OIL PRESSURE ....427 M-13 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CAUTION ITEMS, EMERGENCY ITEMS FLASH..............................429 M-14 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BUZZER DOES NOT SOUND FOR 1 SECOND CAUTION ITEM FLASHES BUT BUZZER....432 M-15 NO ABNORMALITY IS DISPLAYED ON MONITOR BUT BUZZER SOUNDS...................................................................432 M-16 NIGHT LIGHTING ON MONITOR PANEL DOES NOT LIGHT UP (LIQUID CRYSTAL DISPLAY IS NORMAL).......................................433 M-17 COOLANT TEMPERATURE GAUGE DOES NOT RISE....................................................................................434 M-18 COOLANT TEMPERATURE GAUGE DOES NOT GIVE ANY DISPLAY .......................................................................434 M-19 FUEL LEVEL GAUGE ALWAYS DISPLAYS FULL......................................................................................435 M-20 FUEL LEVEL GAUGE DOES NOT GIVE DISPLAY.....................................................................................435 M-21 SWING LOCK SWITCH IS TURNED ON (LOCK) BUT SWING LOCK MONITOR DOES NOT LIGHT UP.............................................436 M-22 SWING PROLIX SWITCH IS TURNED ON (PROLIX), BUT SWING LOCK MONITOR DOES NOT FLASH...........................................436 M-23 SERVICE METER DOES NOT ADVANCE WHILE ENGINE IS RUNNING.....................................................................437 M-24 WHEN STARTING SWITCH IS AT OFF AND TIME SWITCH IS PRESSED, TIME AND SERVICE METER ARE NOT DISPLAYED........................437 M-25 DEFECTIVE FUEL LEVEL SENSOR SYSTEM.........................................................................................438 M-26 DEFECTIVE COOLANT TEMPERATURE SENSOR SYSTEM................................................................................439 M-27 DEFECTIVE ENGINE OIL LEVEL SENSOR SYSTEM...................................................................................440 M-28 DEFECTIVE COOLANT LEVEL SENSOR SYSTEM......................................................................................441 M-30 WIPER DOES NOT WORK OR SWITCH IS NOT BEING USED BUT WIPER IS ACTUATED......................................................442 30 DISASSEMBLY AND ASSEMBLY.................................................................................................................446 METHOD OF USING MANUAL...................................................................................................................448 PRECAUTION WHEN CARRYING OUT OPERATION...................................................................................................450 SPECIAL TOOL LIST .......................................................................................................................452 GOVERNOR MOTOR ASSEMBLY..................................................................................................................455 REMOVAL AND INSTALLATION.............................................................................................................455 DAMPER ASSEMBLY..........................................................................................................................456 REMOVAL AND INSTALLATION.............................................................................................................456 TRAVEL MOTOR ASSEMBLY....................................................................................................................457 REMOVAL AND INSTALLATION.............................................................................................................457 FINAL DRIVE ASSEMBLY.....................................................................................................................458 REMOVAL AND INSTALLATION.............................................................................................................458 SPROCKET.................................................................................................................................460 REMOVAL AND INSTALLATION.............................................................................................................460 SWING MACHINERY ASSEMBLY.................................................................................................................461 REMOVAL AND INSTALLATION.............................................................................................................461 SWING MOTOR..............................................................................................................................463 DISASSEMBLY AND ASSEMBLY.............................................................................................................463 SWING CIRCLE ASSEMBLY....................................................................................................................470 REMOVAL AND INSTALLATION.............................................................................................................471 IDLER, RECOIL SPRING ASSEMBLY............................................................................................................472 REMOVAL AND INSTALLATION.............................................................................................................472 RECOIL SPRING ASSEMBLY...................................................................................................................473 DISASSEMBLY AND ASSEMBLY.............................................................................................................474 IDLER ASSEMBLY...........................................................................................................................475 DISASSEMBLY AND ASSEMBLY.............................................................................................................476 TRACK ROLLER ASSEMBLY....................................................................................................................478 REMOVAL AND INSTALLATION.............................................................................................................478 DISASSEMBLY..........................................................................................................................479 ASSEMBLY.............................................................................................................................480 CARRIER ROLLER ASSEMBLY..................................................................................................................482 REMOVAL AND INSTALLATION.............................................................................................................482 DISASSEMBLY .........................................................................................................................483 ASSEMBLY.............................................................................................................................484 TRACK SHOE ASSEMBLY......................................................................................................................486 REMOVAL AND INSTALLATION.............................................................................................................486 CONTROL VALVE ASSEMBLY...................................................................................................................487 DISASSEMBLY AND ASSEMBLY.............................................................................................................489 LS SELECT VALVE ASSEMBLY.................................................................................................................491 DISASSEMBLY AND ASSEMBLY.............................................................................................................491 LS SHUTTLE VALVE.........................................................................................................................492 DISASSEMBLY AND ASSEMBLY.............................................................................................................492 PRESSURE COMPENSATION VALVE ASSEMBLY.....................................................................................................493 DISASSEMBLY AND ASSEMBLY.............................................................................................................494 MAIN RELIEF VALVE ASSEMBLY...............................................................................................................495 DISASSEMBLY..........................................................................................................................495 ASSEMBLY.............................................................................................................................496 PPC SHUTTLE VALVE ASSEMBLY...............................................................................................................497 DISASSEMBLY..........................................................................................................................497 ASSEMBLY.............................................................................................................................498 BOOM CYLINDER ASSEMBLY...................................................................................................................499 REMOVAL..............................................................................................................................499 INSTALLATION.........................................................................................................................500 ARM CYLINDER ASSEMBLY....................................................................................................................501 REMOVAL..............................................................................................................................501 INSTALLATION.........................................................................................................................502 BUCKET CYLINDER ASSEMBLY.................................................................................................................503 REMOVAL..............................................................................................................................503 INSTALLATION.........................................................................................................................504 HYDRAULIC CYLINDER ASSEMBLY..............................................................................................................505 DISASSEMBLY..........................................................................................................................505 ASSEMBLY.............................................................................................................................507 GOVERNOR PUMP CONTROLLER ASSEMBLY........................................................................................................509 REMOVAL AND INSTALLATION.............................................................................................................509 MONITOR PANEL ASSEMBLY...................................................................................................................510 REMOVAL AND INSTALLATION.............................................................................................................510 FINAL DRIVE ASSEMBLY.....................................................................................................................511 DISASSEMBLY..........................................................................................................................511 ASSEMBLY.............................................................................................................................522 SPECIAL TOOLS........................................................................................................................534 SWING MACHINERY ASSEMBLY.................................................................................................................541 DISASSEMBLY..........................................................................................................................541 ASSEMBLY.............................................................................................................................557 SPECIAL TOOLS........................................................................................................................577 40 MAINTENANCE STANDARD.....................................................................................................................579 ENGINE MOUNT.............................................................................................................................580 SWING MACHINERY..........................................................................................................................581 SWING CIRCLE.............................................................................................................................583 FINAL DRIVE..............................................................................................................................584 TRACK FRAME, RECOIL SPRING...............................................................................................................586 IDLER....................................................................................................................................587 CARRIER ROLLER...........................................................................................................................589 TRACK ROLLER.............................................................................................................................590 TRACK ...................................................................................................................................591 CONTROL VALVE............................................................................................................................593 SUCTION-SAFETY VALVE.....................................................................................................................601 SWING MOTOR..............................................................................................................................602 WORK EQUIPMENT, SWING PPC VALVE..........................................................................................................603 TRAVEL PPC VALVE.........................................................................................................................604 SERVICE PPC VALVE........................................................................................................................605 PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE.................................................................................................606 EPC SOLENOID VALVE.......................................................................................................................607 CENTER SWIVEL JOINT......................................................................................................................608 BOOM SAFETY VALVE (ARM SAFETY VALVE).....................................................................................................609 HYDRAULIC CYLINDER.......................................................................................................................610 WORK EQUIPMENT...........................................................................................................................611
KOMATSU PC150-6K PC150LC-6K HYDRAULIC EXCAVATOR SHOP MANUAL CEBM001601 – PDF DOWNLOAD:
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