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191-2929 VALVE GP-PUMP CONTROL -HYDRAULIC FAN-PRESSURE, FLOW COMPENSATOR S/N BNH1-UP; 2TW1-UP PART OF 215-5721 PUMP GP-PISTON REPLACED BY @@@@@310-7645@@@@@ 988G


HYDRAULIC SYSTEM
PUMP GP
VALVE GP-RELIEF

WHEEL LOADER 988G WHEEL LOADER 2TW
 Custom Product Support Literature for the 988G Wheel Loader 2TW00001-UP (MACHINE) SEBC1318 988G 2TW   (1999)

HYDRAULIC SYSTEM

PUMP GP
PUMP & MTG GP-HYDRAULIC FAN
215-2349 PUMP & MTG GP-HYDRAULIC FAN
PUMP GP-PISTON
215-5721 PUMP GP-PISTON
PUMP GP-PISTON
233-1562 PUMP GP-PISTON
ROTATING GP-PUMP
189-9379 ROTATING GP-PUMP
VALVE GP-PUMP CONTROL
191-2929 VALVE GP-PUMP CONTROL
VALVE GP-PUMP CONTROL
205-3998 VALVE GP-PUMP CONTROL
VALVE GP-PUMP CONTROL
310-7645 VALVE GP-PUMP CONTROL
 

#SEBC13180310
 

191-2929: VALVE GP-PUMP CONTROL

191-2929 VALVE GP-PUMP CONTROL -HYDRAULIC FAN-PRESSURE, FLOW COMPENSATOR
S/N BNH1-UP; 2TW1-UP
PART OF 215-5721 PUMP GP-PISTON
REPLACED BY @@@@@310-7645@@@@@
i01361325 SEBC1318
1912929 VALVE GP-PUMP CONTROL Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-6528 [6] SEAL  
2. 6E-6527 [2] PLUG  
3. 6E-3268 [1] RETAINER-SPRING  
4. 6E-3275 [1] SPRING  
5. 6E-3274 [1] SPRING  
6. 033-6043 [1] SEAL-O-RING  
7. 6E-3272 [1] SEAT  
8. [1] PLUG  
9. 6E-6538 M [2] NUT-ADJUSTMENT (M8X1-THD)  
10. 6E-6537 M [2] SCREW-ADJUSTMENT (M8X1X28-MM)  
11. 6E-6539 M [2] NUT-CAP (M8X1-THD)  
12. 6E-3273 [1] SEAT  
13. 6E-6536 [1] PLUG  
14. 6V-8352 [1] SEAL-O-RING  
15. 9S-8002 [1] PLUG (7/16-20-THD)  
16. 3J-7354 [1] SEAL-O-RING  
17. 193-1036 [1] SPRING  
18. 6E-3276 [1] SPRING  
19. 6E-3269 [1] RETAINER-SPRING  
20. 201-0780 [1] ORIFICE  
21. 105-2145 [1] VALVE-ORIFICE  
22. 5P-9262 [1] SEAL-O-RING  
  M   METRIC PART
 

#SEBC13180311
 

205-3998: VALVE GP-PUMP CONTROL

205-3998 VALVE GP-PUMP CONTROL -IMPLEMENT-PRESSURE, FLOW COMPENSATOR
S/N BNH1-UP
PART OF 233-1562 PUMP GP-PISTON
i01506047 SEBC1318
2053998 VALVE GP-PUMP CONTROL Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 094-1881 [1] PLATE-SLIDE  
2. 108-3060 [1] SPOOL-TORQUE  
3. 108-3061 [1] SLEEVE-FOLLOW-UP  
4. 108-3071 [1] NUT  
5. 115-8205 [1] ARM-FEEDBACK  
6. 116-4916 [1] PIVOT  
7. 136-8401 [1] ADJUSTER  
8. 139-3555 [1] SPRING  
9. 143-3968 [1] SPRING  
10. 143-8887 [1] SPOOL  
11. 143-8888 [1] STOP-ADJUSTER  
12. 149-6289 [1] CARTRIDGE  
13. 149-7574 [1] BODY AS  
  124-1555 [2] PLUG  
  140-7966 [2] PLUG  
14. 149-7575 [1] MANIFOLD  
15. 168-8598 [1] RETAINER  
16. 178-6359 [1] SPOOL  
17. 195-3739 Y [1] VALVE GP-SOLENOID (PUMP CONTROL)(PUMP CONTROL)  
18. 094-1875 [1] DOWEL  
19. 1H-9696 [1] SEAL-O-RING  
20. 2A-3630 [1] PIN  
21. 2D-6392 [1] SEAL-O-RING  
22. 3D-4245 [1] SEAL-O-RING  
23. 3J-1907 [4] SEAL-O-RING  
24. 3J-7354 [9] SEAL-O-RING  
25. 4B-3576 [1] SETSCREW-SQUARE HEAD  
26. 4D-9986 [2] SEAL-O-RING  
27. 5P-6719 [3] PLUG  
28. 6V-3918 M [3] BOLT (M8X1.25X50-MM)  
29. 6V-5217 M [2] BOLT (M8X1.25X20-MM)  
30. 6V-5759 [5] SEAL-O-RING  
31. 6V-8801 [1] NUT (3/8-16-THD)  
32. 7M-8485 [1] SEAL-O-RING  
33. 9M-1974 [2] WASHER-HARD (8.8X16X2-MM THK)  
34. 9S-4181 [1] PLUG (1-5/16-12-THD)  
35. 9S-4182 [9] PLUG (7/16-20-THD)  
   
    AVAILABLE REPAIR KIT(S):
  185-5353 [1] KIT-SEAL (PUMP CONTROL VALVE)  
    (INCLUDES SEAL-O-RINGS & RING-BACKUP)
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBC13180312
 

310-7645: VALVE GP-PUMP CONTROL

310-7645 VALVE GP-PUMP CONTROL
S/N BNH1-UP; 2TW1-UP
FIELD REPLACEMENT FOR @@@@@191-2929@@@@@
i06095209 SEBC1318
3107645 VALVE GP-PUMP CONTROL Parts scheme
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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-7870 [1] GASKET  
2. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
3. 6E-6528 [2] SEAL  
4. 033-6043 [1] SEAL-O-RING  
5. 6V-8352 [1] SEAL-O-RING  
6. 200-5362 [2] SEAL-O-RING  
7. 200-5363 [2] RING-THRUST  
  M   METRIC PART
 

#SEBC13180313
 

117-0160: VALVE GP-RELIEF

117-0160 VALVE GP-RELIEF -LINE
S/N BNH1-UP; 2TW1-UP
PART OF 133-8612 VALVE GP-MAIN CONTROL
i00490616 SEBC1318
1170160 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-9992 [1] RING-BACKUP  
2. 032-9313 [1] SEAL-O-RING  
3. 2S-4078 [2] SEAL-O-RING  
4. 3P-1155 [1] SEAL-O-RING  
5. 117-0775 [1] RING-BACKUP  
6. 2P-2975 [1] SEAL-O-RING  
 

#SEBC13180314
 

117-0161: VALVE GP-RELIEF

117-0161 VALVE GP-RELIEF -LINE
S/N BNH1-UP; 2TW1-UP
LINE, TILT
PART OF 133-8612 VALVE GP-MAIN CONTROL
i00490618 SEBC1318
1170161 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-9992 [1] RING-BACKUP  
2. 032-9313 [1] SEAL-O-RING  
3. 2S-4078 [2] SEAL-O-RING  
4. 3P-1155 [1] SEAL-O-RING  
5. 117-0775 [1] RING-BACKUP  
6. 2P-2975 [1] SEAL-O-RING  
 

#SEBC13180315
 

125-9349: VALVE GP-RELIEF

125-9349 VALVE GP-RELIEF -LINE
S/N BNH1-UP; 2TW1-UP
PART OF 133-8612 VALVE GP-MAIN CONTROL
i00512901 SEBC1318
1259349 VALVE GP-RELIEF Parts scheme
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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-9992 [1] RING-BACKUP  
2. 032-9313 [1] SEAL-O-RING  
3. 2S-4078 [2] SEAL-O-RING  
4. 3P-1155 [1] SEAL-O-RING  
5. 117-0775 [1] RING-BACKUP  
6. 2P-2975 [1] SEAL-O-RING  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
 

#SEBC13180316
 

143-8912: VALVE GP-RELIEF

143-8912 VALVE GP-RELIEF -MAIN
S/N BNH1-UP; 2TW1-UP
PART OF 133-8612 VALVE GP-MAIN CONTROL
i00506157 SEBC1318
1438912 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-8485 [2] SEAL-O-RING  
2. 4J-0522 [1] SEAL-O-RING  
3. 142-4286 [1] SPRING  
4. 3K-0360 [1] SEAL-O-RING  
5. 4Y-5812 [1] PLATE  
6. 6E-5510 [1] RETAINER AS  
7. 9X-6395 [1] NUT (3/4-16-THD)  
8. 6E-1127 [1] CAP  
9. 8J-0331 [1] VALVE  
10. 6E-6138 [1] VALVE GP-RELIEF (MAIN)  
  8H-3532 [1] SPRING-VALVE  
11. 099-3047 [2] DOWEL  
 

#SEBC13180317
 

166-8498: VALVE GP-RELIEF

166-8498 VALVE GP-RELIEF -HYDRAULIC, REVERSING FAN
S/N BNH1-UP; 2TW1-UP
DIRECT OPERATED
PART OF 162-2191 VALVE GP-FAN REVERSING
i02197674 SEBC1318
1668498 VALVE GP-RELIEF Parts scheme
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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 161-6149 J [1] SEAL-O-RING  
2. 161-6161 J [2] RING-BACKUP  
3. 2M-9780 J [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  133-5545 J [1] KIT-SEAL (RELIEF VALVE)  
    (INCLUDES SEAL-O-RINGS, RING-BACKUP)
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBC13180318
 

172-5481: VALVE GP-RELIEF

172-5481 VALVE GP-RELIEF -LINE
S/N BNH1-UP; 2TW1-UP
LINE, TILT
PART OF 155-2268 VALVE GP-CONTROL, 133-8612 VALVE GP-MAIN CONTROL
i01106945 SEBC1318
1725481 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-9992 [1] RING-BACKUP  
2. 8T-9522 [1] SEAL-O-RING  
3. 2S-4078 [2] SEAL-O-RING  
4. 3P-1155 [1] SEAL-O-RING  
5. 117-0775 [1] RING-BACKUP  
6. 2P-2975 [1] SEAL-O-RING  
 

#SEBC13180319
 

423-7705: VALVE GP-RELIEF

423-7705 VALVE GP-RELIEF -PILOT OPERATED
S/N BNH1-UP
PART OF 155-2268 VALVE GP-CONTROL
i05342492 SEBC1318
4237705 VALVE GP-RELIEF Parts scheme
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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-9992 [1] RING-BACKUP  
2. 8T-9522 [1] SEAL-O-RING  
3. 2S-4078 [2] SEAL-O-RING  
4. 3P-1155 [1] SEAL-O-RING  
5. 117-0775 [1] RING-BACKUP  
6. 2P-2975 [1] SEAL-O-RING  
 

Information:

Special Instruction
Installation of Hose Assemblies that are Used to Fill the Cases of the Hydraulic Pump and Steering Pump{4306, 5070, 5070, 5084, 5091}
Installation of Hose Assemblies that are Used to Fill the Cases of the Hydraulic Pump and Steering Pump{4306, 5070, 5070, 5084, 5091}
Installation Procedure for the Automatic Purge Valve for Priming of the Gear Pump for the Pilot System and the Braking System{4014, 5057, 5073, 5091}
Installation Procedure for the Automatic Purge Valve for Priming of the Gear Pump for the Pilot System and the Braking System{4014, 5057, 5073, 5091}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Service Letter-NACD
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
Service Letter-Australia
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
Service Letter-CFEL
Service Letter-CSARL
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
Service Letter-Americas
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
Technical Information Bulletin
The Implement And Steering Pumps May Need To Be Primed After The Hydraulic System Has Been Drained And Refilled
The Implement And Steering Pumps May Need To Be Primed After The Hydraulic System Has Been Drained And Refilled
988G Stall Speeds Require Careful Attention to Operating Parameters
988G Stall Speeds Require Careful Attention to Operating Parameters
Implement Pump Controls Changes w/ New 988G T1 Software in P130280
Implement Pump Controls Changes w/ New 988G T1 Software in P130280
988G and 988H Wheel Loader Implement Pump Failures{5070}
988G and 988H Wheel Loader Implement Pump Failures{5070}
Specifications
Piston Pump (Hydraulic Fan)
988G Wheel Loader Electrohydraulic System
Piston Pump (Implement)
988G Wheel Loader Electrohydraulic System
Pump Control Valve (Implement)
988G Wheel Loader Electrohydraulic System
Gear Pump (Pilot and Braking)
988G Wheel Loader Electrohydraulic System
Pressure Sensor (Implement Pump Oil)
988G Wheel Loader Electrohydraulic System
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Service Letter-China
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
Service Letter-Asia
Systems Operation
Pump Control Operation
988G Wheel Loader Electrohydraulic System
Hydraulic Fan System
988G Wheel Loader Electrohydraulic System
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Information Release Memo
CAT REMAN EXPANDS HYD GEAR & PISTON PUMP & MOTOR OPTIONS
CAT REMAN EXPANDS HYD GEAR & PISTON PUMP & MOTOR OPTIONS
Service Letter-APD
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
Testing and Adjusting
Torque Converter Stall - Test
988G Wheel Loader Electrohydraulic System
Torque Converter Stall and Implement Pump Double Stall - Test
988G Wheel Loader Electrohydraulic System
Piston Pump Margin Pressure (Hydraulic Fan) - Test and Adjust
988G Wheel Loader Electrohydraulic System
Piston Pump Cutoff Pressure (Hydraulic Fan) - Test and Adjust
988G Wheel Loader Electrohydraulic System
Case Drain (Implement Pump) - Test
988G Wheel Loader Electrohydraulic System
Pump Performance (Pilot and Braking) - Test
988G Wheel Loader Braking System
Pump Performance (Implement) - Test
988G Wheel Loader Electrohydraulic System
Bench Test Procedures
Bench Test Procedure for Hydraulic Piston Pumps{1387, 4306, 5070, 5084}
Bench Test Procedure for Hydraulic Piston Pumps{1387, 4306, 5070, 5084}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Troubleshooting
MID 082 - CID 0499 - FMI 03
988G Wheel Loader Electrohydraulic System
MID 082 - CID 0499 - FMI 05
988G Wheel Loader Electrohydraulic System
MID 082 - CID 0499 - FMI 06
988G Wheel Loader Electrohydraulic System
Disassembly and Assembly
Piston Pump (Implement) - Remove
988G Wheel Loader Machine Systems
Piston Pump (Implement) - Disassemble
988G Wheel Loader Machine Systems
Piston Pump (Implement) - Assemble
988G Wheel Loader Machine Systems
Piston Pump (Implement) - Install
988G Wheel Loader Machine Systems
Pump Control Valve (Steering) - Remove and Install
988G Wheel Loader Machine Systems
Gear Pump (Pilot, Brake) - Remove
988G Wheel Loader Machine Systems
Gear Pump (Pilot, Brake) - Install
988G Wheel Loader Machine Systems
Piston Pump (Hydraulic Fan) - Disassemble
988G Wheel Loader Machine Systems
Piston Pump (Hydraulic Fan) - Assemble
988G Wheel Loader Machine Systems
Pump Control Valve (Hydraulic Fan) - Remove and Install
988G Wheel Loader Machine Systems
Piston Pump (Hydraulic Fan) - Remove
988G Wheel Loader Machine Systems
Piston Pump (Hydraulic Fan) - Install
988G Wheel Loader Machine Systems
Pump Control Valve (Implement) - Remove
988G Wheel Loader Machine Systems
Gear Pump (Pilot, Brake) - Disassemble
988G Wheel Loader Machine Systems
Gear Pump (Pilot, Brake) - Assemble
988G Wheel Loader Machine Systems
Pump Control Valve (Implement) - Disassemble
988G Wheel Loader Machine Systems
Pump Control Valve (Implement) - Assemble
988G Wheel Loader Machine Systems
Pump Control Valve (Implement) - Install
988G Wheel Loader Machine Systems
Service Magazine
Special Instruction, REHS1124 , "Installation of Hose Assemblies that are Used to Assist Priming the Hydraulic Pump and Steering Pump" is Available {4304, 4306, 5057, 5070, 5070, 5084}
2001/07/23
A New Location of the Pressure Sensor for the Implement Pump Improves Reliability {5070, 5084}
2001/11/12
Special Instruction, REHS1287, "Installation Procedure for the Automatic Purge Valve for Priming of the Gear Pump for the Pilot System and the Braking System"is Available {4014, 5057, 5073, 5091}
2002/03/18
Revised Special Instruction, REHS1124 , "Installation of Hose Assemblies that are Used to Fill the Cases of the Hydraulic Pump and the Steering Pump" {4306, 5070, 5084, 5091}
2002/04/22
A New Bracket Is Used for the Pump Pressure Sensor {5057, 5070, 5084}
2004/05/24
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25
Correction to Testing and Adjusting , "Torque Converter Stall - Test" {3101}
2006/04/10
Correction to Testing and Adjusting , "Torque Converter Stall and Implement Pump Double Stall - Test" {3101, 5070}
2006/04/10
Correction to Testing and Adjusting , "Piston Pump Margin Pressure (Hydraulic Fan) - Test and Adjust" {1387, 1387, 5070, 5070}
2009/03/30
A New Service Tool for Installing the Service Sleeve Bearings in Hydraulic Gear Pumps Is Now Available for Certain CAT Machines {0738, 5073, 5073, 7551}
2011/12/15
New Belleville Springs and Spacers are Now Available for certain 900 Series Large Wheel Loaders Implement Pumps {5070}
New Belleville Springs and Spacers are Now Available for certain 900 Series Large Wheel Loaders Implement Pumps {5070}

Caterpillar Parts SIS Catalog 988G :

VALVE GP-MAIN CONTROL
133-8612 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
133-8612 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
133-8612 VALVE GP-MAIN CONTROL
VALVE GP-FAN REVERSING
162-2191 VALVE GP-FAN REVERSING
VALVE GP-CONTROL
155-2268 VALVE GP-CONTROL
VALVE GP-CONTROL
155-2268 VALVE GP-CONTROL
VALVE GP-CHECK
9T-3096 VALVE GP-CHECK
VALVE GP-CHECK
128-2780 VALVE GP-CHECK
VALVE GP-PUMP CONTROL
205-3998 VALVE GP-PUMP CONTROL
VALVE GP-PUMP CONTROL
310-7645 VALVE GP-PUMP CONTROL
VALVE GP-RELIEF
117-0160 VALVE GP-RELIEF
VALVE GP-RELIEF
117-0161 VALVE GP-RELIEF
VALVE GP-RELIEF
125-9349 VALVE GP-RELIEF
VALVE GP-RELIEF
143-8912 VALVE GP-RELIEF
VALVE GP-RELIEF
166-8498 VALVE GP-RELIEF
VALVE GP-RELIEF
172-5481 VALVE GP-RELIEF

Truck sale:

Caterpillar 988G
 
Caterpillar 988G
- Wheel Loaders
FINANZAUTO S.A.
 
69,000 
Caterpillar 988G, Wheel Loaders, Construction
- Wheel Loaders
FABICK CAT
Caterpillar 988G/H HIGH LIFT CYLINDER AND BUCKET, bucket, Construction
 
Caterpillar 988G/H HIGH LIFT CYLINDER AND BUCKET, bucket, Construction
- bucket
WILLIAM ADAMS PTY. LTD.
Caterpillar 988G/H, bucket, Construction
 
Caterpillar 988G/H, bucket, Construction
- bucket
WILLIAM ADAMS PTY. LTD.
Caterpillar 988G, Wheel Loaders, Construction
72,000 
Caterpillar 988G, Wheel Loaders, Construction
- Wheel Loaders
MACALLISTER MACHINERY CO., INC
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