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Komatsu PC30R-8, PC35R-8, PC40R-8, PC45R-8 Hydraulic Excavator Shop Manual – PDF DOWNLOAD
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Komatsu PC30R-8, PC35R-8, PC40R-8, PC45R-8 Hydraulic Excavator Shop Manual
Book Code: SEBM012603
MACHINE MODEL SERIAL NUMBER
PC30R-8 10001 and up
PCSSR-S 35001 and up
PC40R-8 30001 and up
PC45R-8 5001 and up
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Description
Komatsu PC30R-8, PC35R-8, PC40R-8, PC45R-8 Hydraulic Excavator Shop Manual
FILE DETAILS:
Komatsu PC30R-8, PC35R-8, PC40R-8, PC45R-8 Hydraulic Excavator Shop Manual
Brands: Komatsu
Equipment Type: Hydraulic Excavator
Manuals Type: Shop Manual
Machine Model: PC30R-8, PC35R-8, PC40R-8, PC45R-8
Serial Number: 10001 and up, 35001 and up, 30001 and up, 5001 and up
Book Code: SEBM012603
Language: English
Pages: 426
File Format: Portable Document Format (PDF)
KOMATSU PC30R-8, PC35R-8, PC40R-8, PC45R-8 HYDRAULIC EXCAVATOR SHOP MANUAL – PDF DOWNLOAD:
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Komatsu PC30R-8, PC35R-8, PC40R-8, PC45R-8 Hydraulic 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 PC30R-8, PC35R-8, PC40R-8, PC45R-8 Hydraulic Excavator Shop Manual
COVER........................................................................................................................................................ 1 CONTENTS..................................................................................................................................................... 2 01 GENERAL................................................................................................................................................... 22 GENERAL ASSEMBLY DRAWING................................................................................................................................. 23 SPECIFICATIONS........................................................................................................................................... 31 WEIGHT TABLE............................................................................................................................................. 39 LIST OF LUBRICANT AND WATER.............................................................................................................................. 43 10 STRUCTURE AND FUNCTION.................................................................................................................................... 45 PTO(COUPLING)............................................................................................................................................ 46 RADIATOR,OIL COOLER...................................................................................................................................... 47 ENGINE CONTROL........................................................................................................................................... 48 POWER TRAIN.............................................................................................................................................. 49 SWING CIRCLE............................................................................................................................................. 50 SWING MACHINERY.......................................................................................................................................... 51 TRACK FRAME,RECOIL SPRING................................................................................................................................ 52 HYDRAULIC PIPING DRAWING................................................................................................................................. 53 HYDRAULIC CIRCUIT DIAGRAM................................................................................................................................ 54 HYDRAULIC PUMP........................................................................................................................................... 62 CENTER SWIVEL JOINT...................................................................................................................................... 69 SWING MOTOR.............................................................................................................................................. 70 TRAVEL MOTOR............................................................................................................................................. 75 9-SPOOL CONTROL VALVE.................................................................................................................................... 86 CLSS..................................................................................................................................................... 94 MULTI-CONTROL VALVE......................................................................................................................................118 ELECTRICAL WIRING DIAGRAM................................................................................................................................119 VALVE CONTROL............................................................................................................................................120 WORK EQUIPMENT,SWING PPC VALVE...........................................................................................................................121 SOLENOID VALVE...........................................................................................................................................125 WORK EQUIPMENT...........................................................................................................................................127 MACHINE MONITOR SYSTEM...................................................................................................................................128 ELECTRICAL CIRCUIT DIAGRAM...............................................................................................................................132 HYDRAULIC CYLINDER.......................................................................................................................................133 20 TESTING AND ADJUSTING.....................................................................................................................................134 STANDARD VALUE TABLE FOR ENGINE RELATED PARTS............................................................................................................135 STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS...........................................................................................................137 STANDARD VALUE TABLE FOR ELECTRICAL PARTS................................................................................................................153 TESTING AND ADJUSTING....................................................................................................................................155 TOOLS FOR TESTING,ADJUSTING,AND TROUBLESHOOTING......................................................................................................156 MEASURING ENGINE SPEED...............................................................................................................................157 MEASURING EXHAUST COLOR..............................................................................................................................158 ADJUSTING VALVE CLEARANCE............................................................................................................................159 MEASURING COMPRESSION PRESSURE.......................................................................................................................160 TESTING AND ADJUSTING FUEL INJECTION TIMING..........................................................................................................161 MEASURING ENGINE OIL PRESSURE........................................................................................................................162 TESTING AND ADJUSTING FAN BELT TENSION...............................................................................................................163 ADJUSTING CONTROL LEVERS AND PEDALS..................................................................................................................164 MEASURING SPROCKET WEAR..............................................................................................................................167 TESTING AND ADJUSTING TRACK SHOE TENSION.............................................................................................................168 TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT,SWING,TRAVEL CIRCUIT......................................................................169 TESTING AND ADJUSTING LS DIFFERENTIAL PRESSURE.......................................................................................................172 ADJUSTING PC VALVE...................................................................................................................................174 TESTING AND ADJUSTING CONTROL CIRCUIT PRESSURE.......................................................................................................175 TESTING OUTPUT PRESSURE OF SOLENOID VALVE............................................................................................................177 TESTING PPC VALVE OUTPUT PRESSURE AND SWING HOLDING BRAKE INLET PORT PRESSURE(PC20R).................................................................178 ADJUSTING WORK EQUIPMENT,SWING PPC VALVE.............................................................................................................180 TESTING AND ADJUSTING TRAVEL DEVIATION...............................................................................................................181 TESTING OIL LEAKAGE..................................................................................................................................182 RELEASING REMAINING PRESSURE FROM HYDRAULIC CIRCUIT..................................................................................................183 RELEASING REMAINING PRESSURE FROM HYDRAULIC TANK.....................................................................................................183 PRESSURIZING HYDRAULIC TANK..........................................................................................................................183 BLEEDING AIR.........................................................................................................................................184 TROUBLESHOOTING..........................................................................................................................................186 POINTS TO REMEMBER WHEN TROUBLESHOOTING..............................................................................................................187 SEQUENCE OF EVENTS IN TROUBLESHOOTING................................................................................................................188 POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE.....................................................................................................189 CHECKS BEFORE TROUBLESHOOTING........................................................................................................................197 CONNECTOR TYPES AND MOUNTING LOCATIONS...............................................................................................................198 CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...........................................................................................................201 METHOD OF USING TROUBLESHOOTING CHARTS...............................................................................................................211 TROUBLESHOOTING OF ELECTRICAL SYSTEM(E MODE).........................................................................................................213 E-MODE RELATED ELECTRICAL CIRCUIT DIAGRAM........................................................................................................214 E-1 ENGINE DOES NOT START........................................................................................................................216 a) WHEN STARTING MOTOR DOES NOT TURN(STARTING SYSTEM)........................................................................................216 b) WHEN STARTING MOTOR TURNS(ENGINE STOP SOLENOID SYSTEM)....................................................................................219 E-2 ENGINE DOES NOT STOP.........................................................................................................................221 E-3 WORK EQUIPMENT DOES NOT MOVE EVEN WHEN WORK EQUIPMENT LOCK LEVER IS CANCELED.................................................................222 E-4 WORK EQUIPMENT MOVES EVEN WHEN WORK EQUIPMENT LOCK LEVER IS LOCKED...........................................................................223 E-5 TRAVEL SPEED DOES NOT INCREASE EVEN WHEN TRAVEL BOOST PEDAL IS DEPRESSED.....................................................................224 E-6 TRAVEL SPEED DOES NOT DECREASE EVEN WHEN TRAVEL BOOST PEDAL IS RELEASED......................................................................225 TROUBLESHOOTING OF HYDRAULIC,MECHANICAL SYSTEM(H MODE)...............................................................................................226 TABLE OF FAILURE MODES AND CAUSES................................................................................................................227 H- 1 SPEEDS OF ALL WORK EQUIPMENT,SWING,TRAVEL ARE SLOW OR LACK POWER............................................................................229 H- 2 THERE IS EXCESSIVE DROP IN ENGINE SPEED,OR ENGINE STALLS....................................................................................230 H- 3 NO WORK EQUIPMENT,TRAVEL,SWING MOVE.........................................................................................................231 H- 4 ABNORMAL NOISE GENERATED(FROM AROUND PUMP)..................................................................................................231 H- 5 FINE CONTROL ABILITY IS POOR OR RESPONSE IS POOR............................................................................................232 H- 6 BOOM IS SLOW OR LACKS POWER.................................................................................................................233 H- 7 ARM IS SLOW OR LACKS POWER..................................................................................................................233 H- 8 BUCKET IS SLOW OR LACKS POWER...............................................................................................................234 H- 9 BOOM SWING IS SLOW OR LACKS POWER...........................................................................................................234 H-10 BLADE IS SLOW OR LACKS POWER................................................................................................................235 H-11 BOOM,ARM,BUCKET DO NOT MOVE(BOOM SWING,BLADE,TRAVEL AND SWING ARE NORMAL)...................................................................235 H-12 EXCESSIVE HYDRAULIC DRIFT(BOOM,ARM,BUCKET,BOOM SWING,BLADE).................................................................................236 a) BOOM......................................................................................................................................236 b) ARM,BUCKET,BOOM SWING.....................................................................................................................236 c) BLADE.....................................................................................................................................236 H-13 EXCESSIVE TIME LAG(ENGINE AT LOW IDLING)....................................................................................................237 H-14 IN COMPOUND OPERATIONS,WORK EQUIPMENT WITH LARGER LOAD IS SLOW..............................................................................237 H-15 TRAVEL DEVIATION............................................................................................................................238 a) DEVIATION IN NORMAL TRAVEL................................................................................................................238 b) DEVIATION WHEN STARTING...................................................................................................................238 H-16 TRAVEL SPEED IS SLOW OR LACKS POWER.........................................................................................................239 H-17 STEERING DOES NOT TURN EASILY...............................................................................................................239 H-18 TRAVEL SPEED DOES NOT SWITCH................................................................................................................240 H-19 TRAVEL DOES NOT MOVE(ONE SIDE ONLY).........................................................................................................240 H-20 SWING SPEED IS SLOW OR LACKS POWER..........................................................................................................241 a) SPEED IS SLOW OR LACKS POWER IN BOTH DIRECTIONS...........................................................................................241 b) SPEED IS SLOW OR LACKS POWER IN ONE DIRECTION ONLY(LEFT OR RIGHT).........................................................................241 H-21 DOES NOT SWING..............................................................................................................................242 a) DOES NOT SWING IN EITHER DIRECTION........................................................................................................242 b) DOES NOT SWING IN ONE DIRECTION(LEFT OR RIGHT)............................................................................................242 H-22 SWING ACCELERATION IS POOR..................................................................................................................243 a) ACCELERATION IS POOR IN BOTH DIRECTIONS...................................................................................................243 b) ACCELERATION IS POOR IN ONE DIRECTION ONLY(LEFT OR RIGHT).................................................................................243 H-23 EXCESSIVE OVERRUN WHEN STOPPING SWING.......................................................................................................244 a) OVERRUN WHEN STOPPING IS EXCESSIVE IN BOTH DIRECTIONS.....................................................................................244 b) OVERRUN WHEN STOPPING IS EXCESSIVE IN ONE DIRECTION ONLY(LEFT OR RIGHT)...................................................................244 H-24 EXCESSIVE SHOCK WHEN STOPPING SWING(IN ONE DIRECTION ONLY)..................................................................................245 H-25 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING................................................................................................245 H-26 EXCESSIVE HYDRAULIC DRIFT OF SWING..........................................................................................................245 TROUBLESHOOTING OF MACHINE MONITOR SYSTEM(M MODE)....................................................................................................246 ELECTRICAL CIRCUIT DIAGRAM FOR M MODE RELATED PARTS..............................................................................................247 M- 1 WHEN STARTING SWITCH IS TURNED ON,NO DISPLAY IS GIVEN.......................................................................................248 M- 2 WHEN STARTING SWITCH IS TURNED ON,EVEN WHEN SELF CHECK IS COMPLETED(ALL LAMPS LIGHT UP FOR 3 SECONDS),LAMPS DO NOT GO OUT...................248 M- 3 WHEN STARTING SWITCH IS TURNED ON,SOME SELF CHECK LAMPS DO NOT LIGHT UP FOR 3 SECONDS.......................................................249 a) NO GAUGE LAMPS LIGHT UP(FUEL,COOLANT TEMPERATURE).........................................................................................249 b) CAUTION LAMPS(ENGINE OIL PRESSURE,BATTERY CHARGE),PILOT LAMP(PREHEATING) DO NOT LIGHT UP..................................................249 M- 4 DURING SELF CHECK(ALL LAMPS LIGHT UP FOR 3 SECONDS),EVEN IF STARTING SWITCH IS TURNED TO START,SELF CHECK IS NOT COMPLETED FOR 3 SECONDS....249 M- 5 WHEN STARTING SWITCH IS ON(ENGINE STOPPED),ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP...............................................250 M- 6 WHEN STARTING SWITCH IS ON(ENGINE STOPPED),CHARGE CAUTION LAMP DOES NOT LIGHT UP............................................................250 M- 7 WHEN STARTING SWITCH IS TURNED TO HEAT,PREHEATING PILOT LAMP DOES NOT LIGHT UP..............................................................251 M- 8 WHEN ENGINE IS RUNNING,ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP...........................................................................251 M- 9 WHEN ENGINE IS RUNNING,CHARGE CAUTION LAMP LIGHTS UP........................................................................................252 M-10 ABNORMALITY IN COOLANT TEMPERATURE GAUGE....................................................................................................253 a) LEVEL DOES NOT RISE FROM SEGMENT C........................................................................................................253 b) LEVEL DOES NOT GO DOWN FROM SEGMENT H,OR ALL SEGMENTS GO OUT..............................................................................253 c) COOLANT TEMPERATURE DOES NOT MATCH GAUGE DISPLAY..........................................................................................254 M-11 ABNORMALITY IN FUEL GAUGE...................................................................................................................255 a) LEVEL DOES NOT RISE FROM SEGMENT E OR ALL SEGMENTS GO OUT.................................................................................255 b) LEVEL DOES NOT GO DOWN FROM SEGMENT F.....................................................................................................255 c) FUEL LEVEL DOES NOT MATCH GAUGE DISPLAY...................................................................................................256 M-12 DEFECTIVE OPERATION OF ALARM BUZZER.........................................................................................................257 a) BUZZER DOES NOT SOUND.....................................................................................................................257 b) BUZZER CONTINUES TO SOUND AND DOES NOT STOP...............................................................................................257 M-13 WHEN ENGINE IS RUNNING,SERVICE METER DOES NOT ADVANCE.......................................................................................258 a) WHEN CHARGE CAUTION LAMP DOES NOT LIGHT UP................................................................................................258 b) WHEN CHARGE CAUTION LAMP LIGHTS UP........................................................................................................258 c) PILOT LAMP DOES NOT FLASH(SERVICE METER IS ACTUATED)......................................................................................258 M-14 NIGHT LIGHTING DOES NOT LIGHT UP............................................................................................................259 a) GAUGE LIGHTING DOES NOT LIGHT UP..........................................................................................................259 b) SERVICE METER LIGHTING DOES NOT LIGHT UP..................................................................................................259 30 DISASSEMBLY AND ASSEMBLY..................................................................................................................................260 METHOD OF USING MANUAL...................................................................................................................................262 PRECAUTIONS WHEN CARRYING OUT OPERATION..................................................................................................................263 SPECIAL TOOL LIST........................................................................................................................................265 STARTING MOTOR...........................................................................................................................................268 REMOVAL AND INSTALLATION.............................................................................................................................268 ALTERNATOR...............................................................................................................................................269 REMOVAL AND INSTALLATION.............................................................................................................................269 FUEL INJECTION PUMP......................................................................................................................................270 REMOVAL(PC30R,35R)...................................................................................................................................270 INSTALLATION(PC30R,35R)..............................................................................................................................271 REMOVAL(PC40R,45R)...................................................................................................................................272 INSTALLATION(PC40R,45R)..............................................................................................................................273 NOZZLE HOLDER............................................................................................................................................274 REMOVAL AND INSTALLATION.............................................................................................................................274 WATER PUMP...............................................................................................................................................275 REMOVAL..............................................................................................................................................275 INSTALLATION.........................................................................................................................................276 THERMOSTAT...............................................................................................................................................277 REMOVAL AND INSTALLATION.............................................................................................................................277 ENGINE FRONT SEAL........................................................................................................................................278 REMOVAL AND INSTALLATION.............................................................................................................................278 ENGINE REAR SEAL.........................................................................................................................................279 REMOVAL..............................................................................................................................................279 INSTALLATION.........................................................................................................................................280 CYLINDER HEAD............................................................................................................................................281 REMOVAL(PC30R,35R)...................................................................................................................................281 INSTALLATION(PC30R,35R)..............................................................................................................................283 REMOVAL(PC40R,45R)...................................................................................................................................284 INSTALLATION(PC40R,45R)..............................................................................................................................286 RADIATOR,HYDRAULIC COOLER................................................................................................................................287 REMOVAL..............................................................................................................................................287 INSTALLATION.........................................................................................................................................288 ENGINE,HYDRAULID PUMP....................................................................................................................................289 REMOVAL..............................................................................................................................................289 INSTALLATION.........................................................................................................................................293 FUEL TANK................................................................................................................................................294 REMOVAL AND INSTALLATION.............................................................................................................................294 DAMPER...................................................................................................................................................295 REMOVAL AND INSTALLATION.............................................................................................................................295 CENTER SWIVEL JOINT......................................................................................................................................296 REMOVAL AND INSTALLATION.............................................................................................................................296 CENTER SWIVEL JOINT......................................................................................................................................297 DISASSEMBLY AND ASSEMBLY.............................................................................................................................297 TRAVEL MOTOR.............................................................................................................................................298 REMOVAL AND INSTALLATION.............................................................................................................................298 SPROCKET.................................................................................................................................................299 REMOVAL AND INSTALLATION.............................................................................................................................299 SWING MOTOR,SWING MACHINERY..............................................................................................................................300 REMOVAL..............................................................................................................................................300 INSTALLATION.........................................................................................................................................301 DISASSEMBLY..........................................................................................................................................302 ASSEMBLY.............................................................................................................................................305 REVOLVING FRAME..........................................................................................................................................308 REMOVAL..............................................................................................................................................308 INSTALLATION.........................................................................................................................................310 SWING CIRCLE.............................................................................................................................................311 REMOVAL AND INSTALLATION.............................................................................................................................311 IDLER....................................................................................................................................................312 REMOVAL AND INSTALLATION.............................................................................................................................312 DISASSEMBLY..........................................................................................................................................313 ASSEMBLY.............................................................................................................................................314 RECOIL SPRING............................................................................................................................................315 REMOVAL AND INSTALLATION.............................................................................................................................315 DISASSEMBLY..........................................................................................................................................316 ASSEMBLY.............................................................................................................................................318 TRACK ROLLER.............................................................................................................................................320 REMOVAL AND INSTALLATION.............................................................................................................................320 DISASSEMBLY..........................................................................................................................................321 ASSEMBLY.............................................................................................................................................322 CARRIER ROLLER...........................................................................................................................................323 REMOVAL AND INSTALLATION.............................................................................................................................323 DISASSEMBLY AND ASSEMBLY.............................................................................................................................324 RUBBER SHOE..............................................................................................................................................325 REMOVAL AND INSTALLATION.............................................................................................................................325 STEEL SHOE...............................................................................................................................................326 REMOVAL AND INSTALLATION(PC30R,35R)..................................................................................................................326 REMOVAL AND INSTALLATION(PC40R,45R)..................................................................................................................327 HYDRAULIC TANK...........................................................................................................................................328 REMOVAL AND INSTALLATION.............................................................................................................................328 HYDRAULIC COOLER.........................................................................................................................................329 REMOVAL AND INSTALLATION.............................................................................................................................329 HYDRAULIC PUMP...........................................................................................................................................330 REMOVAL AND INSTALLATION.............................................................................................................................330 CONTROL VALVE............................................................................................................................................331 REMOVAL..............................................................................................................................................331 INSTALLATION.........................................................................................................................................332 DISASSEMBLY..........................................................................................................................................333 ASSEMBLY.............................................................................................................................................340 2-SPOOL SOLENOID VALVE...................................................................................................................................347 REMOVAL AND INSTALLATION.............................................................................................................................347 LEFT PPC VALVE...........................................................................................................................................348 REMOVAL AND INSTALLATION.............................................................................................................................348 RIGHT PPC VALVE..........................................................................................................................................349 REMOVAL AND INSTALLATION.............................................................................................................................349 PPC VALVE................................................................................................................................................350 DISASSEMBLY..........................................................................................................................................350 ASSEMBLY.............................................................................................................................................351 BOOM CYLINDER............................................................................................................................................352 REMOVAL..............................................................................................................................................352 INSTALLATION.........................................................................................................................................353 ARM CYLINDER.............................................................................................................................................354 REMOVAL..............................................................................................................................................354 INSTALLATION.........................................................................................................................................355 BUCKET CYLINDER..........................................................................................................................................356 REMOVAL..............................................................................................................................................356 INSTALLATION.........................................................................................................................................357 BOOM SWING CYLINDER......................................................................................................................................358 REMOVAL..............................................................................................................................................358 INSTALLATION.........................................................................................................................................359 BLADE CYLINDER...........................................................................................................................................360 REMOVAL..............................................................................................................................................360 INSTALLATION.........................................................................................................................................361 HYDRAULIC CYLNDER........................................................................................................................................362 DISASSEMBLY..........................................................................................................................................362 ASSEMBLY.............................................................................................................................................365 WORK EQUIPMENT...........................................................................................................................................368 REMOVAL..............................................................................................................................................368 INSTALLATION.........................................................................................................................................369 BUCKET...................................................................................................................................................370 REMOVAL AND INSTALLATION.............................................................................................................................370 ARM......................................................................................................................................................371 REMOVAL..............................................................................................................................................371 INSTALLATION.........................................................................................................................................372 BUCKET,ARM...............................................................................................................................................373 REMOVAL..............................................................................................................................................373 INSTALLATION.........................................................................................................................................374 BOOM.....................................................................................................................................................375 REMOVAL..............................................................................................................................................375 INSTALLATION.........................................................................................................................................376 BOOM SWING BRACKET.......................................................................................................................................377 REMOVAL..............................................................................................................................................377 INSTALLATION.........................................................................................................................................378 BLADE....................................................................................................................................................379 REMOVAL..............................................................................................................................................379 INSTALLATION.........................................................................................................................................380 OPERATOR'S CAB...........................................................................................................................................381 REMOVAL AND INSTALLATION.............................................................................................................................381 CANOPY...................................................................................................................................................381 REMOVAL AND INSTALLATION.............................................................................................................................381 FLOOR FRAME..............................................................................................................................................382 REMOVAL..............................................................................................................................................382 INSTALLATION.........................................................................................................................................384 40 MAINTENANCE STANDARD......................................................................................................................................385 SWING CIRCLE.............................................................................................................................................386 SWING MACHINERY..........................................................................................................................................387 SPROCKET.................................................................................................................................................389 TRACK FRAME,RECOIL SPRING................................................................................................................................391 IDLER....................................................................................................................................................393 TRACK ROLLER.............................................................................................................................................394 CARRIER ROLLER...........................................................................................................................................395 TRACK SHOE...............................................................................................................................................396 CENTER SWIVEL JOINT......................................................................................................................................401 HYDRAULIC PUMP...........................................................................................................................................402 WORK EQUIPMENT,SWING PPC VALVE...........................................................................................................................403 SWING MOTOR..............................................................................................................................................404 9-SPOOL CONTROL VALVE....................................................................................................................................405 HYDRAULIC CYLINDER.......................................................................................................................................411 WORK EQUIPMENT...........................................................................................................................................415 90 OTHER.....................................................................................................................................................419 HYDRAULIC CIRCUIT DIAGRAM(PC30R-8).......................................................................................................................420 HYDRAULIC CIRCUIT DIAGRAM(PC35R-8).......................................................................................................................421 HYDRAULIC CIRCUIT DIAGRAM(PC40R-8).......................................................................................................................422 HYDRAULIC CIRCUIT DIAGRAM(PC45R-8).......................................................................................................................423 ELECTRICAL CIRCUIT DIAGRAM...............................................................................................................................424 HYDRAULIC PIPING DRAWING.................................................................................................................................425 SYSTEM DIAGRAM DRAWING...................................................................................................................................426
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