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Komatsu PC60-6, PC60L-6, PC90-1 Excavator Shop Manual SN 28001, 8001, 1001 and up – PDF DOWNLOAD
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Komatsu PC60-6, PC60L-6, PC90-1 Excavator Shop Manual
Book Code: SEBM02010607
MACHINE MODEL SERIAL No.
- PC60-6 28001 and up
- PC60L-6 8001 and up
- PC90-1 1001 and up
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Description
Komatsu PC60-6, PC60L-6, PC90-1 Excavator Shop Manual
FILE DETAILS:
Komatsu PC60-6, PC60L-6, PC90-1 Excavator Shop Manual
Brands: Komatsu
Equipment Type: Hydraulic Excavator
Manuals Type: Shop Manual
Machine Model: PC60-6, PC60L-6, PC90-1
Serial Number: 28001 and up, 8001 and up, 1001 and up
Book Code: SEBM02010607
Language: English
Pages: 451
File Format: Portable Document Format (PDF)
KOMATSU PC60-6, PC60L-6, PC90-1 EXCAVATOR SHOP MANUAL SN 28001, 8001, 1001 AND UP – PDF DOWNLOAD:
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Komatsu PC60-6, PC60L-6, PC90-1 Excavator Shop Manual
FOREWORD:
GENERAL:
- This shop manual has been prepared as an aid to improve the quality of repairs by giving the servicemen an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
- This shop manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following chapters; these chapters are further divided into the each main group of components.
STRUCTURE AND FUNCTION:
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.
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 thissection.
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 PC60-6, PC60L-6, PC90-1 Excavator Shop Manual
COVER............................................................................................................................................................ 1 CONTENTS......................................................................................................................................................... 2 10 STRUCTURE AND FUNCTION........................................................................................................................................ 16 ENGINE MOUNT AND ENGINE RELATED PARTS........................................................................................................................ 17 RADIATOR AND OIL COOLER...................................................................................................................................... 18 P.T.O........................................................................................................................................................ 19 POWER TRAIN.................................................................................................................................................. 20 SWING CIRCLE................................................................................................................................................. 22 SWING MACHINERY.............................................................................................................................................. 23 TRACK FRAME.................................................................................................................................................. 24 IDLER........................................................................................................................................................ 27 IDLER CUSHION................................................................................................................................................ 27 CARRIER ROLLER............................................................................................................................................... 28 TRACK ROLLER................................................................................................................................................. 28 TRACK SHOE................................................................................................................................................... 29 HYDRAULIC PIPING............................................................................................................................................. 31 HYDRAULIC CIRCUIT DIAGRAM.................................................................................................................................... 33 HYDRAULIC TANK AND FUEL TANK................................................................................................................................. 37 HYDRAULIC PUMP............................................................................................................................................... 38 BLADE PUMP................................................................................................................................................... 51 L.H. 6-SPOOL CONTROL VALVE................................................................................................................................... 52 R.H. 5-SPOOL CONTROL VALVE................................................................................................................................... 58 BLADE CONTROL VALVE.......................................................................................................................................... 65 SWING MOTOR.................................................................................................................................................. 66 CENTER SWIVEL JOINT.......................................................................................................................................... 69 TRAVEL MOTOR................................................................................................................................................. 71 BOOM SAFETY VALVE............................................................................................................................................ 82 VALVE CONTROL................................................................................................................................................ 83 PPC VALVE.................................................................................................................................................... 87 SOLENOID VALVE ASSEMBLY...................................................................................................................................... 95 SAFETY LOCK VALVE............................................................................................................................................ 98 SHUTTLE VALVE................................................................................................................................................ 98 HYDRAULIC CYLINDER........................................................................................................................................... 99 WORK EQUIPMENT...............................................................................................................................................101 ELECTRICAL WIRING DIAGRAM....................................................................................................................................102 ELECTRICAL CIRCUIT DIAGRAM...................................................................................................................................104 ENGINE CONTROL...............................................................................................................................................106 TOTAL CONTROL SYSTEM.........................................................................................................................................115 EMMAC (ELECTRONIC MONITOR AND CONTROL CONSOLE)...............................................................................................................128 20 TESTING AND ADJUSTING.........................................................................................................................................134 TABLE OF JUDGEMENT STANDARD VALUE............................................................................................................................135 TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING............................................................................................................155 ADJUSTING VALVE CLEARANCE....................................................................................................................................156 MEASURING COMPRESSION PRESSURE...............................................................................................................................157 TESTING AND ADJUSTING FUEL INJECTION TIMING..................................................................................................................158 ADJUSTING TRAVEL OF GOVERNOR MOTOR LEVER.....................................................................................................................159 TESTING AND ADJUSTING TRAVEL LEVER, LIMIT SWITCHES...........................................................................................................160 TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT............................................................................161 TESTING AND ADJUSTING CHARGING PUMP PRESSURE.................................................................................................................164 MEASURING PPC VALVE OUTPUT PRESSURE..........................................................................................................................166 ADJUSTING PPC VALVE..........................................................................................................................................167 TESTING PPC SHUTTLE VALVE....................................................................................................................................169 MEASURING SOLENOID VALVE OUTLET PRESSURE.....................................................................................................................170 TESTING FOR OIL LEAKAGE FROM CENTER SWIVEL JOINT.............................................................................................................172 BLEEDING AIR.................................................................................................................................................173 RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT............................................................................................................175 TROUBLESHOOTING..............................................................................................................................................176 POINTS TO REMEMBER WHEN TROUBLESHOOTING..................................................................................................................177 SEQUENCE OF EVENTS IN TROUBLESHOOTING....................................................................................................................178 PRECAUTIONS WHEN CARRYING OUT MAINTENANCE................................................................................................................179 CHECKS BEFORE TROUBLESHOOTING............................................................................................................................186 ELECTRICAL CIRCUIT DIAGRAM...............................................................................................................................187 POSITION OF CONNECTORS FOR TROUBLESHOOTING...............................................................................................................190 CONNECTION TABLE FOR CONNECTOR...........................................................................................................................192 HANDLING CONNECTORS......................................................................................................................................200 DISPLAY METHOD FOR MONITOR PANEL AND ENGINE THROTTLE CONTROLLER..........................................................................................201 ACTION OF SELF-DIAGNOSTIC FUNCTION AND SYMPTOMS ON MACHINE...............................................................................................202 METHOD OF USING JUDGEMENT TABLE..........................................................................................................................203 METHOD OF USING TROUBLESHOOTING CHARTS...................................................................................................................205 TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER SYSTEM (E MODE)............................................................................................207 ENGINE THROTTLE CONTROLLER OR IN ENGINE RELATED PARTS................................................................................................208 POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING ON ENGINE THROTTLE CONTROLLER SYSTEM............................................................209 E-1 [ABNORMALITY IN POWER SOURCE SYSTEM OR CONTROLLER] IS DISPLAYED (ALL LAMPS OFF)..................................................................210 E-2 [SHORT CIRCUIT IN GOVERNOR MOTOR] IS DISPLAY.....................................................................................................212 E-3 [ABNORMALITY IN BATTERY RELAY] IS DISPLAYED......................................................................................................213 E-4 [DISCONNECTION IN WIRING HARNESS OF GOVERNOR MOTOR] IS DISPLAYED.................................................................................214 E-5 [ABNORMALITY IN GOVERNOR POTENTIOMETER] IS DISPLAYED.............................................................................................215 E-6 [ABNORMALITY IN FUEL CONTROL DIAL] IS DISPLAYED..................................................................................................217 E-7 ENGINE DOES NOT START............................................................................................................................218 E-8 ENGINE ROTATION IS IRREGULAR.....................................................................................................................220 E-9 LACK OF OUTPUT POWER (MAX. ENGINE SPEED IS TOO LOW)..............................................................................................224 E-10 ENGINE DOES NOT STOP............................................................................................................................226 E-11 AUTOMATIC WARMING-UP OPERATION IS DEFECTIVE.....................................................................................................228 TROUBLESHOOTING OF PUMP CONTROLLER SYSTEM (C MODE).......................................................................................................229 CHART FOR DISTINGUISHING IF FAILURE IS IN SYSTEM CONTROLLER OR IN HYDRAULIC RELATED PARTS............................................................230 C-1 AUTO-DECELERATION DOES NOT WORK (ENGINE SPEED DOES NOT RISE EVEN WHEN LEVER IS OPERATED).........................................................231 C-2 AUTO-DECELERATION DOES NOT WORK (ENGINE SPEED DOES NOT DROP EVEN WHEN LEVERS ARE AT NEUTRAL).....................................................233 C-3 DOES NOT SWING (SWING BRAKE SOLENOID IS DOES NOT COME ON)........................................................................................236 C-4 EXCESSIVE HYDRAULIC DRIFT OF SWING (SWING BRAKE SOLENOID STAYS ON)...............................................................................237 C-5 EXCESSIVE TRAVEL DEVIATION DURING SIMULTANEOUS OPERATIONS (STRAIGHT-TRAVEL SOLENOID DOES NOT COME NO)............................................238 C-6 WORK EQUIPMENT SPEED IS SLOW (PARTICULARLY SLOW WHEN ARM IS OPERATED INDEPENDENTLY) (STRAIGHT-TRAVEL SOLENOID STAYS ON)..........................239 C-7 POWER SET DOES NOT SWITCH TO S MODE (STAYS IN L MODE) (POWER SET SOLENOID STAYS ON)..............................................................242 C-8 POWER SET DOES NOT SWITCH TO L MODE (STAYS IN S MODE) (POWER SET SOLENOID DOES NOT COME ON)......................................................244 C-9 TRAVEL SPEED DOES NOT SWITCH TO HI (STAYS IN LO) (TRAVEL SPEED SOLENOID DOES NOT COME ON)........................................................246 C-10 TRAVEL SPEED DOES NOT SWITCH TO LO (STAYS IN HI)(TRAVEL SPEED SOLENOID STAYS ON)................................................................247 C-11 PRESSURE DOES NOT RISE WHEN TRAVELING (REMAINS AT NORMAL HYDRAULIC PRESSURE) (PC90-1)...........................................................248 TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)..............................................................................................249 H-1 SPEED OF ALL WORK EQUIPMENT, TRAVEL, SWING IS SLOW...............................................................................................250 H-2 ENGINE SPEED DROPS EXCESSIVELY, OR ENGINE STALLS.................................................................................................250 H-3 WORK EQUIPMENT, TRAVEL SWING DO NOT MOVE, OR SPEED IS EXTREMELY SLOW.............................................................................251 H-4 WORK EQUIPMENT, TRAVEL, SWING LACK POWER.........................................................................................................252 H-5 POWER SET DOES NOT SWITCH........................................................................................................................252 H-6 ABNORMAL NOISE GENERATED (FROM AROUND PUMP)......................................................................................................253 H-7 AUTO-DECELERATION DOES NOT ACTUATED..............................................................................................................253 H-8 BOOM, ARM SPEED IS EXTREMELY SLOW................................................................................................................254 H-9 WORK EQUIPMENT (BOOM, ARM, BUCKET) SPEED IS SLOW.................................................................................................254 H-10 WORK EQUIPMENT (BOOM, ARM, BUCKET) LACKS POWER..................................................................................................255 H-11 EXCESSIVE HYDRAULIC DRIFT.......................................................................................................................255 H-12 EXCESSIVE TIME LAG..............................................................................................................................255 H-13 MACHINE DEVIATES NATURALLY WHEN TRAVELING.......................................................................................................256 a) DEVIATES IN SAME DIRECTION BOTH IN FORWARD AND REVERSE........................................................................................256 b) DEVIATES IN DIFFERENT DIRECTION IN FORWARD AND REVERSE........................................................................................258 H-14 EXCESSIVE DEVIATION DURING COMPOUND OPERATIONS..................................................................................................259 H-15 EXCESSIVE DEVIATION WHEN STARTING...............................................................................................................259 H-16 TRAVEL LACKS POWER (OR SPEED IS SLOW)...........................................................................................................260 H-17 TRAVEL SPEED DOES NOT SWITCH....................................................................................................................260 H-18 MACHINE DOES NOT MOVE (ONE SIDE ONLY)...........................................................................................................261 H-19 TRAVEL LEVER IS HEAVY...........................................................................................................................261 H-20 DOES NOT SWING..................................................................................................................................262 H-21 SWING SPEED IS SLOW OR ACCELERATION IS POOR.....................................................................................................264 H-22 EXCESSIVE OVERRUN WHEN STOPPING SWING...........................................................................................................264 H-23 EXCESSIVE SHOCK WHEN STOPPING SWING.............................................................................................................265 H-24 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING....................................................................................................265 H-25 EXCESSIVE HYDRAULIC DRIFT OF SWING..............................................................................................................266 H-26 WHEN OPERATED SIMULTANEOUSLY WITH ARM, SWING SPEED IS SLOW......................................................................................266 TROUBLESHOOTING OF MONITOR SYSTEM (P MODE)...............................................................................................................267 P-1 MONITOR PANEL LAMPS DO NOT LIGHT UP FOR 3 SECONDS WHEN STARTING SWITCH IS TURNED ON..............................................................268 a) NO MONITOR PANEL LAMPS LIGHT UP...............................................................................................................268 b) SOME MONITOR PANEL LAMPS DO NOT LIGHT UP......................................................................................................268 P-2 MONITOR PANEL LAMPS ALL LIGHT UP WHEN STARTING SWITCH IS TURNED ON, BUT DO NOT GO OUT............................................................269 P-3 PREHEATING IS NOT BEING USED, BUT (PREHEATING DISPLAY LIGHTS) UP.................................................................................269 P-4 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP...................................................270 P-5 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS FLASH..........................................................................271 P-6 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CAUTION ITEMS FLASH.....................................................................272 a) (ENGINE OIL PRESSURE) FLASHES.................................................................................................................272 b) (COOLANT TEMPERATURE) FLASHES.................................................................................................................272 c) (CHARGE) FLASHES..............................................................................................................................273 d) (FUEL LEVEL) FLASHES..........................................................................................................................273 P-7 a) WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BUZZER DOES NOT SOUND FOR 1 SECOND CAUTION ITEMS IS FLASHING BUT BUZZER DOES NOT SOUND....274 P-7 b) THERE IS NO ABNORMALITY DISPLAY ON THE MONITOR, BUT THE BUZZER SOUNDS.........................................................................274 P-8 PANEL LIGHTING OF MONITOR PANEL DOES NOT LIGHT UP................................................................................................275 P-9 COOLANT TEMPERATURE SHOWS ABNORMALLY LOW TEMPERATURE.............................................................................................276 P-10 COOLANT TEMPERATURE GAUGE GIVES NO DISPLAY......................................................................................................276 P-11 FUEL GAUGE ALWAYS DISPLAYS FULL.................................................................................................................277 P-12 FUEL GAUGE GIVES NO DISPLAY.....................................................................................................................277 P-13 a) LAMPS DO NOT LIGHT UP........................................................................................................................278 P-13 b) LAMPS LIGHT UP EVEN WHEN LAMP SWITCH IS NOT OPERATED.........................................................................................278 P-14 a) WIPERS DO NOT WORK...........................................................................................................................280 P-14 b) WIPERS WORK EVEN WHEN WIPER SWITCH IS NOT OPERATED...........................................................................................280 P-15 a) FAN DOES NOT WORK............................................................................................................................282 P-15 b) FAN WORKS EVEN WHEN FAN SWITCH IS NOT OPERATED...............................................................................................282 P-16 POWER SET DOES NOT SWITCH.......................................................................................................................284 P-17 AUTO-DECELERATION DOES NOT SWITCH (DOES NOT ENTER AUTO-DECELERATION; AUTO-DECELERATION IS NOT CANCELED).........................................285 P-18 TRAVEL SPEED DOES NOT SWITCH BETWEEN HI AND LO..................................................................................................286 P-19 WARNING-UP OPERATION IS NOT CARRIED OUT BELOW 30℃, OR WARMING-UP OPERATION IS NOT CANCELED EVEN WHEN TEMPERATURE GOES ABOVE 30℃.................287 P-20 EVEN WHEN SWING LOCK SWITCH IS TURNED ON (LOCK), SWING LOCK LAMP ON MONITOR PANEL DOES NOT LIGHT UP.............................................288 P-21 COOLANT TEMPERATURE SENSOR SYSTEM DEFECTIVE.....................................................................................................289 P-22 FUEL LEVEL SENSOR SYSTEM DEFECTIVE..............................................................................................................290 30 DISASSEMBLY AND ASSEMBLY......................................................................................................................................291 METHOD OF USING MANUAL.......................................................................................................................................293 PRECATIONS WHEN CARRYING OUT OPERATION.......................................................................................................................294 SPECIAL TOOL LIST............................................................................................................................................296 WEIGHT TABLE.................................................................................................................................................298 TIGHTENING TORQUES AND STANDARD VALUES TABLE.................................................................................................................299 LUBRICANT AND COOLANT TABLE..................................................................................................................................301 STARTING MOTOR...............................................................................................................................................302 REMOVAL..................................................................................................................................................302 INSTALLATION.............................................................................................................................................302 ALTERNATOR...................................................................................................................................................302 REMOVAL..................................................................................................................................................302 INSTALLATION.............................................................................................................................................302 FUEL INJECTION PUMP..........................................................................................................................................304 REMOVAL..................................................................................................................................................304 INSTALLATION.............................................................................................................................................304 WATER PUMP...................................................................................................................................................306 REMOVAL..................................................................................................................................................306 INSTALLATION.............................................................................................................................................306 NOZZLE HOLDER................................................................................................................................................306 REMOVAL..................................................................................................................................................306 INSTALLATION.............................................................................................................................................306 THERMOSTAT...................................................................................................................................................308 REMOVAL..................................................................................................................................................308 INSTALLATION.............................................................................................................................................308 ENGINE FRONT SEAL............................................................................................................................................308 REMOVAL..................................................................................................................................................308 INSTALLATION.............................................................................................................................................308 ENGINE REAR SEAL.............................................................................................................................................310 REMOVAL..................................................................................................................................................310 INSTALLATION.............................................................................................................................................310 GOVERNOR MOTOR...............................................................................................................................................310 REMOVAL..................................................................................................................................................310 INSTALLATION.............................................................................................................................................310 CYLINDER HEAD................................................................................................................................................312 REMOVAL..................................................................................................................................................312 INSTALLATION.............................................................................................................................................312 RADIATOR, HYDRAULIC COOLER...................................................................................................................................314 REMOVAL..................................................................................................................................................314 INSTALLATION.............................................................................................................................................314 ENGINE, HYDRAULIC PUMP.......................................................................................................................................316 REMOVAL..................................................................................................................................................316 INSTALLATION.............................................................................................................................................316 PTO..........................................................................................................................................................318 REMOVAL..................................................................................................................................................318 INSTALLATION.............................................................................................................................................318 DISASSEMBLY..............................................................................................................................................318 ASSEMBLY.................................................................................................................................................318 CENTER SWIVEL JOINT..........................................................................................................................................320 REMOVAL..................................................................................................................................................320 INSTALLATION.............................................................................................................................................320 DISASSEMBLY..............................................................................................................................................320 ASSEMBLY.................................................................................................................................................320 TRAVEL MOTOR.................................................................................................................................................322 REMOVAL..................................................................................................................................................322 INSTALLATION.............................................................................................................................................322 SPROCKET.....................................................................................................................................................322 REMOVAL..................................................................................................................................................322 INSTALLATION.............................................................................................................................................322 SWING MOTOR..................................................................................................................................................324 REMOVAL..................................................................................................................................................324 INSTALLATION.............................................................................................................................................324 DISASSEMBLY..............................................................................................................................................325 ASSEMBLY.................................................................................................................................................328 SWING MACHINERY..............................................................................................................................................333 REMOVAL..................................................................................................................................................333 INSTALLATION.............................................................................................................................................333 DISASSEMBLY..............................................................................................................................................334 ASSEMBLY.................................................................................................................................................336 REVOLVING FRAME..............................................................................................................................................340 REMOVAL..................................................................................................................................................340 INSTALLATION.............................................................................................................................................340 SWING CIRCLE.................................................................................................................................................340 REMOVAL..................................................................................................................................................340 INSTALLATION.............................................................................................................................................340 IDLER, RECOIL SPRING.........................................................................................................................................342 REMOVAL..................................................................................................................................................342 INSTALLATION.............................................................................................................................................342 DISASSEMBLY..............................................................................................................................................344 ASSEMBLY.................................................................................................................................................344 TRACK ROLLER.................................................................................................................................................346 REMOVAL..................................................................................................................................................346 INSTALLATION.............................................................................................................................................346 CARRIER ROLLER...............................................................................................................................................346 REMOVAL..................................................................................................................................................346 INSTALLATION.............................................................................................................................................346 TRACK SHOE...................................................................................................................................................348 REMOVAL..................................................................................................................................................348 INSTALLATION.............................................................................................................................................348 CHARGING PUMP................................................................................................................................................348 REMOVAL..................................................................................................................................................348 INSTALLATION.............................................................................................................................................348 HYDRAULIC PUMP...............................................................................................................................................350 REMOVAL..................................................................................................................................................350 INSTALLATION.............................................................................................................................................350 DISASSEMBLY..............................................................................................................................................351 ASSEMBLY.................................................................................................................................................355 MAIN PUMP INPUT SHAFT OIL SEAL...............................................................................................................................366 REMOVAL..................................................................................................................................................366 INSTALLATION.............................................................................................................................................366 L.H. 6-SPOOL CONTROL VALVE...................................................................................................................................367 REMOVAL..................................................................................................................................................367 INSTALLATION.............................................................................................................................................367 R.H. 5-SPOOL CONTROL VALVE...................................................................................................................................367 REMOVAL..................................................................................................................................................367 INSTALLATION.............................................................................................................................................367 CONTROL VALVE................................................................................................................................................369 DISASSEMBLY..............................................................................................................................................369 ASSEMBLY.................................................................................................................................................369 MAIN RELIEF VALVE............................................................................................................................................371 REMOVAL..................................................................................................................................................371 INSTALLATION.............................................................................................................................................371 DISASSEMBLY..............................................................................................................................................373 ASSEMBLY.................................................................................................................................................373 SERVO VALVE..................................................................................................................................................375 REMOVAL..................................................................................................................................................375 INSTALLATION.............................................................................................................................................375 WORK EQUIPMENT PPC VALVE.....................................................................................................................................375 REMOVAL..................................................................................................................................................375 INSTALLATION.............................................................................................................................................375 DISASSEMBLY..............................................................................................................................................377 ASSEMBLY.................................................................................................................................................377 PPC VALVE....................................................................................................................................................379 DISASSEMBLY..............................................................................................................................................379 ASSEMBLY.................................................................................................................................................380 PPC SHUTTLE VALVE............................................................................................................................................381 REMOVAL..................................................................................................................................................381 INSTALLATION.............................................................................................................................................381 BOOM CYLINDER................................................................................................................................................383 REMOVAL..................................................................................................................................................383 INSTALLATION.............................................................................................................................................383 ARM CYLINDER.................................................................................................................................................383 REMOVAL..................................................................................................................................................383 INSTALLATION.............................................................................................................................................383 BUCKET CYLINDER..............................................................................................................................................385 REMOVAL..................................................................................................................................................385 INSTALLATION.............................................................................................................................................385 HYDRAULIC CYLINDER...........................................................................................................................................387 DISASSEMBLY..............................................................................................................................................387 ASSEMBLY.................................................................................................................................................389 WORK EQUIPMENT...............................................................................................................................................391 REMOVAL..................................................................................................................................................391 INSTALLATION.............................................................................................................................................391 BUCKET.......................................................................................................................................................393 REMOVAL..................................................................................................................................................393 INSTALLATION.............................................................................................................................................393 ARM..........................................................................................................................................................393 REMOVAL..................................................................................................................................................393 INSTALLATION.............................................................................................................................................393 ARM, BUCKET..................................................................................................................................................395 REMOVAL..................................................................................................................................................395 INSTALLATION.............................................................................................................................................395 BOOM.........................................................................................................................................................395 REMOVAL..................................................................................................................................................395 INSTALLATION.............................................................................................................................................395 OPERATOR'S CAB...............................................................................................................................................397 REMOVAL..................................................................................................................................................397 INSTALLATION.............................................................................................................................................397 COUNTERWEIGHT................................................................................................................................................397 REMOVAL..................................................................................................................................................397 INSTALLATION.............................................................................................................................................397 ENGINE THROTTLE CONTROLLER...................................................................................................................................399 REMOVAL..................................................................................................................................................399 INSTALLATION.............................................................................................................................................399 SYSTEM CONTROLLER............................................................................................................................................399 REMOVAL..................................................................................................................................................399 INSTALLATION.............................................................................................................................................399 MONITOR PANEL................................................................................................................................................399 REMOVAL..................................................................................................................................................399 INSTALLATION.............................................................................................................................................399 40 MAINTENANCE STANDARD..........................................................................................................................................401 SWING CIRCLE.................................................................................................................................................402 SWING MACHINERY..............................................................................................................................................403 TRACK FRAME..................................................................................................................................................404 SPROCKET.....................................................................................................................................................406 IDLER........................................................................................................................................................408 TRACK ROLLER.................................................................................................................................................410 CARRIER ROLLER...............................................................................................................................................412 TRACK SHOE...................................................................................................................................................413 HYDRAULIC PUMP...............................................................................................................................................417 CHARGING PUMP AND RELIEF VALVE...............................................................................................................................418 BLADE PUMP...................................................................................................................................................419 L.H. 6-SPOOL CONTROL VALVE...................................................................................................................................420 R.H. 5-SPOOL CONTROL VALVE...................................................................................................................................428 BLADE CONTROL VALVE..........................................................................................................................................440 SWING MOTOR..................................................................................................................................................441 CENTER SWIVEL JOINT..........................................................................................................................................442 PPC VALVE....................................................................................................................................................444 HYDRAULIC CYLINDER...........................................................................................................................................446 WORK EQUIPMENT...............................................................................................................................................448
PLEASE NOTE:
- This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
- Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
