DISASSEMBLY AND ASSEMBLY

REMOVAL OF FUEL INJECnON PUMP Serial No.: 7928 and up

A Disconnect the cable from the negative (-) terminal of the battery.

1. Disconnect 3 fuel feed hoses (1).

2. Remove lubrication tube (2).

3. Disconnect engine stop solenoid rod (3). ~

4. Disconnect fuel control cable (4). I* 2 I

5. Remove return spring (5).

6. Disconnect bracket (6).

7. Disconnect 4 delivery tubes (7).

8. Remove fuel injection pump assembly (8). I* 41

INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY Serial No.: 7928 and up

• Carry out installation in the reverse order to removal.

'*I I * Adjust the engine stop solenoid linkage. For details, see TESTING AND ADJUSTING.

'* 21 * Adjust the fuel control linkage. For details, see TESTING AND ADJUSTING.

l>clj ~ Sleeve nut:

22.1 ± 2.5 Nm {2.25 ± 0.25 kgm}

'* 4! * Adjust fuel injection timing. For details, see TESTING AND ADJUSTING.

30-14 CD

· FUELINJECTION.PUMP

PC75UU-2

DISASSEMBLY AND ASSEMBLY

INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY

Serial No.: 7928 and up

• Carry out installation in the reverse order to re-moval.

ETI * Install the cables to the dimensions checked when removed.

~ Sleeve nut: 22.1 ± 2.5 Nm {2.25 ± 0.25 kgm}

l* ·'I * Adjust fuel injection timing. For details, see TESTING AND ADJUSTING.

PC75UU-2

FUEL INJECTION PUMP

30-15

DISASSEMBLY AND ASSEMBLY

REMOVAL OF WATER PUMP ASSEMBLY 1. Drain coolant.

2. Remove radiator assembly. For details, see REMOVAL OF RADIATOR ASSEMBLY.

3. Disconnect 2 heater hoses (1). (Only machine of cabin specification)

4. Remove fan (2).

5. Remove belt (3). I* 1 I * Loosen the mounting nut and adjustment bolt

of the alternator and move the alternator toward the cylinder block, then remove the fan belt.

6. Remove spacer (4).

7. Remove pulley (5).

8. Disconnect connector (6).

9. Remove water pump assembly (7).

30-16 CD

WATER PUMP

PC75UU-2

DISASSEMBLY AND ASSEMBLY

INSTALLATION OF WATER PUMP ASSEMBLY

• Carry out installation in the reverse order to re-moval.

EJJ * Adjust the fan belt tension. For details, see ENGINE STANDARD VALUES TABLE.

• Refilling with water Add water through the water filler to the speci-fied level. Run the engine to circulate the water through the system. Then, check the water level again.

• Refilling with oil * Add oil through the oil filler to the specified

level. Run the engine to circulate the oil through the system. Then, check the oil level again.

PC75UU-2

WATER PUMP

30-17 CD

DISASSEMBLY AND ASSEMBLY

REMOVAL OF NOZZLE HOLDER· .. · ASSEMBLY

1. Disconnect air intake hose (1) from the connector. (Only No.4)

2. Remove fuel injection tube (2).

3. Remove heater wire (3).

4. Disconnect spill hose (4).

5. Remove holder (5), then remove nozzle holder assembly (6). I* 3 I

INSTALLATION OF NOZZLE HOLDER ASSEMBLY

• Carry out installation in the reverse order to removal.

'* ,, ~ Hose clamp:

5.9 ± 0.49 Nm {0.60 ± 0.05 kgm}

'* 21 ~ Sleeve nut: 22.1 ± 2.5 Nm {2.25 ± 0.25 kgm}

I* 31 ~ Nozzle holder mounting bolt:

30-18 CD

44.1 ± 4.5 Nm {4.5 ± 0.5 kgm}

NOZZLE HOLDER

3 2

PC75UU·2

DISASSEMBLY AND ASSEMBLY

REMOVAL OF THERMOSTAT ASSEMBLY

1. Drain coolant.

2. Disconnect hose (1).

3. Remove connector (2).

4. Remove thermostat assembly (3).

INSTALLATION OF THERMOSTAT

• Carry out installation in the reverse order to re-moval.

• Refilling with water Add water through the water filler to the specified level. Run the engine to circulate the water through the system. Then, check the water level again.

PC75UU-2

THERMOSTAT

21Wf02215

30-19 CD

DISASSEMBLY AND ASSEMBLY

REMOVAL OF ENGINE FRONT SEAL 1. Remove radiator assembly. For details, see

REMOVAL OF RADIATOR ASSEMBLY.

2. Remove fan (1 ).

3. Remove belt (2). ~ * Loosen the mounting nut and adjustment bolt

of the alternator and move the alternator toward the cylinder block, then remove the fan belt.

4. Remove crank pulley (3).

5. Remove front seal (4).

INSTALLATION OF ENGINE FRONT SEAL • Carry out installation in the reverse order to re-

moval.

I* II * Adjust the fan belt tension. For details, see ENGINE STANDARD VALUES TABLE.

I* 21 ~ Pulley mounting bolt:

93.2 ± 4.9 Nm {9.5 ± 0.5 kgm}

I* 3 I ~ Oil seal lip: Grease (G2-LI)

* Press fit the front seal until it is flush with the front cover.

30-20 CD

ENGINE ·FRONT SEAL

21WF02216

21WF02218

PC75UU-2

DISASSEMBLY AND ASSEMBLY

REMOVAL OF ENGINE REAR SEAL 1. Remove damper assembly. For details. see RE-

MOVAL OF DAMPER ASSEMBLY.

2. Remove flywheel assembly (1). j;r: 1 I

3. Remove rear seal (2). Iii.' 2 I

INSTALLATION OF ENGINE

ENGINE REAR SEAL

REAR SEAL 21WF02219 • Carry out installation in the reverse order to re-

moval.

ETI * Tighten the flywheel mounting bolts in the

following order.

~ Engine oil: (E030)

~ Flywheel mounting bolt:

1st time: 88.3 ± 29.4 Nm {9.0 ± 3.0 kgm} 2nd time: 191.2 ± 29.4 Nm {19.5 ± 0.5 kgm} * Using dial gauge CD. measure the facial runout

and radial runout of the flywheel. • Facial runout: max. 0.35 mm • Radial runout: max. 0.3 mm

'* 21 ~ Oil seal lip: Grease (G2-U)

22mm Posit1on of seal

Press filtiOQ OOSII10n of rear seal (for asset~bfy} OWP00961

2

21WF02220

6143F105

PC? suu-2 30-21 CD

DISASSEMBlY AND ASSEMBLY

REMOVAL OF CYLINDER HEAD Serial No.: 5001 - 7927

1. Drain coolant.

2. Remove engine hood.

3. Remove air intake hose ( 1 ).

4. Remove muffler assembly (2). * Secure the exhaust pipe to the counterweight

with strings, etc. so that it will not be an obstacle to the work.

5. Disconnect fuel filter assembly (3).

6. Disconnect fuel return hose (4).

7. Remove 4 fuel injection tubes (5). I* 2!

8. Disconnect wire clamp, then disconnect connec-tor (6) ..

9. Disconnect oil level gauge bracket (7).

10. Remove 3 heater wires (8).

11. Remove 3 spill hoses (9).

12. Remove 4 nozzle holder assemblies (10). I* 31

13. Remove head cover (11). 1:>.< 41

CYLINDER HEAD

21Wf02223

30-22 PC75UU-2 CD

DISASSEMBLY AND ASSEMBLY

14. Remove rocker arm assembly (12). I* 'I * Loosen the locknut, then loosen the adjustment screw 2- 3 turns.

15. Remove 8 push rods (13).

16. Lift off cylinder head and air intake and exhaust manifolds assembly (14).

@ Cylinder head and air intake and exhaust manifolds assembly: 30 kg

PC75UU-2

CYUNDER HEAD ,

21WF02227

30-23 Q)

COVERCONTENTS01 GENERALGENERAL ASSEMBLY DRAWINGSPECIFICATIONSWEIGHT TABLELIST OF LUBRICANT AND WATER

10 STRUCTURE AND FUNCTIONHYDRAULIC PIPING DIAGRAMHYDRULIC CIRCUIT DIAGRAMELECTRIC WIRING DIAGRAMELECTRIC CIRCUIT DIAGRAM

20 TESTING AND ADJUSTINGTABLE OF JUDGEMENT STANDARD VALUESTANDARD VALUE TABLE FOR ELECTRICAL PARTSTOOLS FOR TESTING ,ADJUSTING,AND TROUBLESHOOTINGMEASURING ENGINE SPEEDMEASURING ENGINE OIL PRESSUREMEASURING COMPRESSION PRESSUREMEASURING BLOW-BYADJUSTING VALVE CLEARANCETESTING AND ADJUSTING FUEL INJECTION TIMINGTESTING AND ADJUSTING ALTERNATOR FAN BELT TENSIONADJUSTING FUEL CONTROL LEVERTESTING AND ADJUSTING TRACK SHOE TENSIONTESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUITTESTING CONTROL CIRCUIT PRESSUREMEASURING OUTPUT PRESSURE OF PPC VALVEADJUSTING PPC VALVE MEASURING OUTLET PORT PRESSURE OF SOLENOID VALVE,EPC VALVEMEASURING OIL LEAKAGE INSIDE CYLINDERMEASURING OIL LEAKAGE FROM SWING,TRAVEL MOTORBLEEDING AIR FROM HYDRAULIC CIRCUITRELEASING REMAINING FROM HYDRAULIC CIRCUITADJUSTING BLADE CONTROL LEVERADJUSTING TRAVEL CONTROL LEVERPROCEDURE FOR RESETTING ELECTRICAL SYSTEM INPUT/OUTPUT SIGNALS AND CHECKING OPERATIONPROCEDURE FOR REPLACING POTENTIOMETER PROCDURE FOR CHECKING DIODETROUBLESHOOTINGPOINTS TO REMEMBER WHEN TROUBLESHOOTINGSEQUENCE OF EVENTS IN TROUBLESHOOTINGPRECAUTIONS WHEN CARRYING OUT MAINTENANCECHECKS BEFORE TROUBLESHOOTINGELECTRICAL CIRCUIT DIAGRAMS FOR EACH SYSTEMCONNECTOR ARRANGEMENT DRAWINGCONNECTION TABLE FOR CONNECTOR PIN NUMBERSHANDING CONNECTORSEXPLANATIONS OF CONTROL MECHANISM OF ELECTRICAL SYSTEMDISPLAY METHOD FOR MONITOR PANEL,CONTROLLERACTION TAKEN BY SELF DIAGNOSTIC FUNCTION AND PROBLEMS ON MACHINEMETHOD OF USING JUDGEMENT TABLEMETHOD OF USING TROUBLESHOOTING CHARTSTROUBLESHOOTING OF CONTROLLER,ELECTRICAL SYSTEM (E MODE)JUDGEMENT TABLE FOR CONTROLLER,ELECTRICAL,HYDRAULIC AND MECHANICAL SYSTEMSPOINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF CONTROLLER SYSTEMPRECAUTIONS WHEN HANDLING CANCEL SWITCH WHEN ABNORMALITY DISPLAY IS GIVEN AND WORK EQUIPMENT STOPS E-1 ERROR CODE [EE] (ABNORMALITY IN CONTROLLER POWER SOURCE SYSTEM OR COMMUNICATIONS SYSTEM) a) ABNORMALITY IN CONTROLLER POWER SOURCE SYSTEMb) ABNORMALITY IN COMMUNICATIONS SYSTEM

E-2 ERROR CODE [21] (ABNORMALITY IN MODEL SELECTION SYSTEM)E-3 ERROR CODE [22] (ABNORMALITY IN WORK EQUIPMENT SELECTION SYSTEM)E-4 ERROR CODE [31] (ABNORMALITY IN BOOM POTENTIOMETER SYSTEM)E-5 ERROR CODE [32] (ABNORMALITY IN ARM POTENTIOMETER SYSTEM)E-6 ERROR CODE [34] (ABNORMALITY IN OFFSET POTENTIOMETER SYSTEM)E-7 ERROR CODE [41] (ABNORMALITY IN PPC LOCK SOLENOID SYSTEM)E-8 ERROR CODE [42] (ABNORMALITY IN LEFT OFFSET STOP SOLENOID SYSTEM)E-9 ERROR CODE [44] (ABNORMALITY IN BOOM LOWER STOP SOLENIOD SYSTEM)E-10 ERROR CODE [51] (ABNORMALITY IN BOOM RAISE STOP SOLENOID SYSTEM)E-11 ERROR CODE [52] (ABNORMALITY IN ARM IN STOP SOLENOID SYSTEM)E-12 WORK EQUIPMENT DOES NOT WORK EVEN WHEN EQUIPMENT LOCK LEVER IS RELEASEDE-13 DEPTH MODE,HEIGHT MODE,OFFSET MODE DO NOT WORK PROPERLY (GO BEYOND SET POSITION BEFORE STOPPING OR STOP BEFORE REACHING SET POSITION)E-14 IMPOSSIBLE TO SELECT AND SET DEPTH DISPLAY 0 SET MODE,DEPTH MODE,HEIGHT MODE,OFFSET MODEE-15 CANCLE SWITCH IS NOT TURNED ON,BUT ALARM BUZZER SOUNDS FOR 7 SECONDS AND ELECTRIC SYSTEM CAUTION LAMP FLASHESE-16 AUTOMATIC STOP IS NOT CARRIED OUT FOR BOOM RAISE,ARM IN,LEFT OFFSET (WHEN ERROR CODE [61] IS NOT DISPLAYED)E-17 WORK EQUIPMENT LOCK LEVER IS AT LOCK POSITION BUT WORK EQUIPMENT MOVESE-18 ENGINE DOES NOT START WHEN STARTING SWITCH IS TURNED TO STARTE-19 EVEN WHEN STARTING SWITCH IS TURNED OFF,ENGINE DOES NOT STOPE-20 UPPER STRUCTURE DOES NOT SWING (WHEN SWING LEVER IS OPERATED,AND NO ELECTRICITY FLOWS TO SWING BRAKE SOLENOID)E-21 EXCESSIVE HYDRAULIC DRIFT OF SWING (WHEN ELECTRIC CURRENT FLOWS TO SWING BRAKE SOLENIOD BOTH WHEN SWING LEVER IS OPERATED AND AT NEUTRAL)

TROUBLESHOOTING OF HYDRAULIC,MECHANICAL SYSTEM (H MODE)H-1 SPEEDS OF ALL WORK EQUIPMENT,SWING,TRAVEL ARE SLOWa) SPEEDS OF ALL WORK EQUIPMENT AND SWING ARE SLOW (WHEN BLADE AND TRAVEL SPEEDS ARE NORMAL)b) SPEEDS OF ALL WORK EQUIPMENT,SWING,TRAVEL ARE ALL SLOW

H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED,OR ENGINE STALLSH-3 NO WORK EQUIPMENT,SWING,TRAVEL MOVEa) NONE OF WORK EQUIPMENT AND SWING MOVEb) NONE OF WORK EQUIPMENT, SWING, TRAVEL MOVE

H-4 ALL WORK EQUIPMENT,SWING,TRAVEL LACK POWERH-5 ABNORMAL NOISE GENERATED FROM AROUND PUMPH-6 WORK EQUIPMENT SPEED IS SLOW (ONE OF BOOM,ARM,BUCKET,OFFSET IS SLOW)H-7 WORK EQUIPMENT LACKS POWER (ONE OF BOOM,ARM,BUCKET,OFFSET LACKS POWER)H-8 WORK EQUIPMENT DOES NOT MOVE (ONE OF BOOM,ARM,BUCKET,OFFSET DOES NOT MOVE)H-9 EXCESSIVE HYDRAULIC DRIFTH-10 EXCESSIVE TIME LAGH-11 WHEN MACHINE IS TRAVELING,IT DEVIATES NATURALLY TO ONE SIDEa) DEVIATES IN SAME DIRECTION BOTH IN FORWARD AND REVERSEb) DEVIATES IN DIFFERENT DIRECTION IN FORWARD AND REVERSE

H-12 EXCESSIVE DEVIATION WHEN STARTINGH-13 TRAVEL LACKS POWER (OR SPEED IS SLOW)H-14 TRACK DOES NOT MOVE (ONE SIDE ONLY)H-15 TRAVEL LEVER IS HEAVYH-16 DOES NOT SWINGH-17 SWING SPEED IS SLOW OR ACCELERATION IS POORH-18 EXCESSIVE OVERRUN WHEN STOPPING SWINGH-19 EXCESSIVE SHOCK WHEN STOPPING SWINGH-20 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING H-21 EXCESSIVE HYDRAULIC DRIFT OF SWINGH-22 ERROR CODE [61] IS DISPLAYED ON MONITOR PANEL,AND JUST BEFORE INTERFERENCE,BOOM RAISE,ARM IN,AND LEFT OFFSET ALL STOPH-23 BOOM RAISE,ARM IN,AND LEFT OFFSET DO NOT AUTOMATICALLY STOP AND THERE IS INTERFERENCETABLE OF FAILURE MODES AND CAUSES

TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)M-1 WHEN THE STARTING SWITCH IS TURNED ON,NO DISPLAY IS GIVEN (LAMPS DO NOT LIGHT UP FOR 3 SECONDS)M-2 WHEN STARTING SWITCH IS TURNED ON,LAMPS LIGHT UP FOR 3 SECONDS,BUT THEN DO NOT GO OUTM-3 WHEN STARTING SWITCH IS TURNED ON,SOME LAMPS DO NOT LIGHT UP FOR 3 SECONDSa) NO GAUGE LAMPS LIGHT UP PREHEATING PILOT DOES NOT LIGHT UPb) BATTERY ELECTROLYTE LEVEL CAUTION LAMP DOES NOT LIGHT UP ,ELECTRIC SYSTEM CAUTION LAMP DOES NOT LIGHT UPc) CHARGE CAUTION LAMP DOES NOT LIGHT UPd) ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP

M-4 WHEN STARTING SWITCH IS ON (ENGINE STOPPED),CHARGE CAUTION LAMP DOES NOT LIGHT UPM-5 WHEN STARTING SWITCH IS ON(ENGINE STOPPED),ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UPM-6 DURING PREHEATING,PREHEATING PILOT LAMP DOES NOT LIGHT UP M-7 WHEN STARTING SWITCH IS ON (ENGINE STOPPED),BATTERY ELECTROLYTE LEVEL CAUTION LAMP LIGHTS UP (BATTERY ELECTROLYTE IS AT SPECIFIED LEVEL)M-8 WHEN ENGINE IS RUNNNG,ENGINE OIL PESSURE CAUTION LAMP LIGHTS UP (ENGINE OIL PRESSURE IS NORMAL)M-9 WHEN ENGINE IS RNNING,CHARGE CAUTION LAMP LIGHTS UPM-10 ABNORMALITY DISPLAY ON COOLANT TEMPERATURE GAUGE a) AFTER ENGINE IS STARTED,LEVEL STAYS AT BOTTOM AND DOES NOT MOVE b) AFTER ENGINE IS STARTED,LEVEL IMMEDIATELY RISES, ENGINE IS NOT OVERHEATING BUT INDICATOR ENTERS RED RANGE

M-11 ABNORMALITY DISPLAY ON FUEL GAUGEa) ALL FUEL GAUGE SEGMENTS GO OUTb) EVEN WHEN FUEL LEVEL GOES DOWN,FUEL GAUGE CONTINUES TO SHOW FULLc) EVEN WHEN TANK IS FILLED,FUEL GAUGE DOES NOT SHOW FULL

M-12 DEFECTIVE OPERATION OF ALARM BUZZERa) BUZZER DOES NOT SOUNDb) BUZZER CONTINUES TO SOUND AND DOES NOT STOP

M-13 WHEN ENGINE IS RUNNING,SERVICE METER DOES NOT ADVANCEa) WHEN CHARGE CAUTION LAMP DOES NOT LIGHT UPb) WHEN CHARGE CAUTION LAMP LIGHTS UP

M-14 NIGHT LINGHTING DOES NOT LIGHT UPa) LIGHTING OF COOLANT TEMPERATURE GAUGE,FUEL GAUGE,DEPTH DISPLAY DOES NOT LIGHT UPb) LIGHTING OF SERVICE METER DOES NOT LIGHT UP

M-15 ELECTRIC SYSTEM CAUTION LAMP STAYS LIGHTED UP,AND DOES NOT GO OUT (NO ABNORMALITY DISPLAY ON CONTROLLER,OPERATION IS NORMAL)

30 DISASSEMBLY AND ASSEMBLYMETHOD OF USING MANUALPRECAUTIONS WHEN CARRYING OUT OPERATIONSPECIAL TOOLS LISTSCHEMATIC DRAWING OF SPECIAL TOOLSTARTING MOTORREMOVAL AND INSTALLATION

ALTERNATOR REMOVAL AND INSTALLATION

FUEL INJECTION PUMPREMOVAL AND INSTALLATION

WATER PUMP REMOVALINSTALLATION

NOZZLE HOLDERREMOVAL AND INSTALLTION

THERMOSTATREMOVAL AND INSTALLATION

ENGINE FRONT SEALREMOVAL AND INSTALLATION

ENGINE REAR SEALREMOVAL AND INSTALLATION

CYLINDER HEADREMOVALINSTALLATION

HYDRAULIC OIL COOLERREMOVAL AND INSTALLATION

RADIATORREMOVAL AND INSTALLATION

ENGINE AND MAIN PUMPREMOVALINSTALLATION

DAMPERREMOVAL AND INSTALLATION

CENTER SWIVEL JOINTREMOVAL AND INSTALLATIONDISASSEMBLY AND ASSEMBLY

TRAVEL MOTORREMOVAL AND INSTALLATION

SPROCKETREMOVAL AND INSTALLATION

SWING MOTOR AND SWING MACHINERYREMOVAL AND INSTALLATION

SWING MOTOR DISASSEMBLYASSEMBLY

SWING MACHINERYDISASSEMBLYASSEMBLY

REVOLVING FRAMEREMOVAL INSTALLATION

SWING CIRCLEREMOVAL AND INSTALLATION

IDLER AND RECOIL SPRINGREMOVAL AND INSTALLATION

IDLERDISASSEMBLYASSEMBLY

RECOIL SPRINGDISASSEMBLY ASSEMBLY

TRACK ROLLER REMOVAL AND INSTALLATIONDISASSEMBLYASSEMBLY

RUBBER SHOEREMOVAL AND INSTALLATION

STEEL SHOE AND ROAD LINER EXPANSION AND INSTALLATION

PPC PUMPREMOVAL AND INSTALLATION

MAIN PUMPREMOVAL AND INSTALLATIONDISASSEMBLYASSEMBLY

3-SPOOL CONTROL VALVEREMOVALINSTALLATIONDISASSEMBLYASSEMBLY

4-SPOOL CONTROL VALVEREMOVAL INSTALLATION

MAIN RELIEF VALVEREMOVAL AND INSTALLATIONDISASSEMBLY AND ASSEMBLY

PPC VALVE ASSEMBLY ON LEFT SIDE OF WORK EQUIPMENTREMOVAL AND INSTALLATION

PPC VALVE ON RIGHT SIDE OF WORK EQUIPMENTREMOVAL AND INSTALLATION

WORK EQUIPMENT PPC VALVEDISASSEMBLY ASSEMBLY

PPC VALVE FOR OFFSET OPERATIONREMOVAL AND INSTALLATION

ARM CYLINDERREMOVALINSTALLATION

BUCKERT CYLINDERREMOVALINSTALLATION

BOOM CYLINDERREMOVAL INSTALLATION

OFFSET CYLINDERREMOVALINSTALLATION

BLADE CYLINDERREMOVAL INSTALLATION

HYDRAULIC CYLINDERDISASSSEMBLYASSEMBLY

WORK EQUIPMENTREMOVALINSTALLATION

BUCKETREMOVAL AND INSTALLATION

ARMREMOVAL INSTALLATION

2ND BOOMREMOVAL INSTALLATION

BUCKET AND ARMREMOVAL INSTALLATION

1ST BOOMREMOVAL INSTALLATION

BLADEREMOVAL AND INSTALLATION

OPERATOR'S CABREMOVAL AND INSTALLATION

FLOOR FRAMEREMOVAL INSTALLATION

FUEL TANKREMOVAL AND INSTALLATION

CONTROLLERREMOVAL AND INSTALLATION

MONITORREMOVAL AND INSTALLATION

COUNTERWEIGHTREMOVAL AND INSTALLATION

40 MAINTENANCE STANDARDSWING MACHINERYSWING CIRCLETRACK FRAME,RECOIL SPRINGIDLERTRACK ROLLERCARRIER ROLLERSPROCKETTRACK SHOEHYDRAULIC PUMP3-SPOOL CONTROL VALVE(FOR FRONT PUMP)3-SPOOL CONTROL VALVE(FOR CENTER PUMP)4-SPOOL CONTROL VALVESWING MOTORCENTER SWIVEL JOINTPPC VALVEHYDRAULIC CYLINDERWORK EQUIPMENT