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356-6899 HEAD GP-PUMP S/N 5131-UP PART OF 389-8423, 389-8424 PUMP GP-PISTON AN ATTACHMENT CS78B VIBRATORY COMPACTOR




HYDRAULIC SYSTEM

PUMP GP
 

#M00662460260
 

356-6899: HEAD GP-PUMP

356-6899 HEAD GP-PUMP
S/N 5131-UP
PART OF 389-8423, 389-8424 PUMP GP-PISTON
AN ATTACHMENT
i04896937 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-0687 M [4] BOLT-SOCKET HEAD (M14X2X45-MM)  
2. 5W-1250 [2] PIN  
3. 117-7280 [1] BUSHING (INTERNAL)  
4. 195-4499 [1] BUSHING (EXTERNAL)  
5. 161-6154 [1] SEAL-O-RING  
6. 117-7282 [1] SEAL-O-RING  
7. 345-1252 [1] VALVE GP-RELIEF (PUMP HEAD)  
  6V-5326 [1] SEAL-O-RING  
  177-7747 [1] RING  
8. 233-5621 [2] VALVE GP-RELIEF  
    (EACH INCLUDES)
  6V-5326 [1] SEAL-O-RING  
  112-4719 [1] RING-BACKUP  
9. 112-4628 [2] SCREW (7/16-20X0.5-IN)  
10. 087-4772 [1] PLUG-O-RING  
  M   METRIC PART
 

#M00662460261
 

374-9745: HYDRAULIC AR

374-9745 HYDRAULIC AR
S/N 5131-UP
PART OF 453-1512 COMMON AR
i04928590 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  377-4599 Y [1] LINES GP-PROPEL  
  378-7705 Y [1] LINES GP-SERVICE BRAKE  
  377-4611 Y [1] LINES GP-SHIFT  
  377-4605 Y [1] LINES GP-VIBRATORY  
  355-6032 Y [1] MOTOR & MTG GP-PISTON  
  354-4762 Y [1] MOTOR & MTG GP-PROPEL (AXLE)  
  355-6035 Y [1] MOTOR & MTG GP-PROPEL (DRUM)  
  377-0676 Y [1] PUMP & MTG GP-PROPEL  
  377-4608 Y [1] VALVE & MTG GP-CONTROL (SHIFT)  
  Y   SEPARATE ILLUSTRATION
 

#M00662460262
 

454-5010: HYDRAULIC AR-AUXILIARY

454-5010 HYDRAULIC AR-AUXILIARY
S/N 5131-UP
PART OF 453-1512 COMMON AR
i06558860 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  350-7082 Y [1] CONTROL GP-STEERING  
  355-2895 Y [1] CYLINDER & MTG GP-STEERING  
  353-2255 Y [1] FILTER & MTG GP-HYDRAULIC  
  461-0811 Y [1] LINES GP-AUXILIARY HYDRAULIC  
  378-7703 Y [1] LINES GP-FILTER  
  378-7696 Y [1] LINES GP-HYDRAULIC OIL COOLER  
  385-4678 Y [1] LINES GP-STEERING  
  353-2830 Y [1] LINES GP-STEERING CYLINDER  
  380-1395 Y [1] PUMP & MTG GP-STEERING  
  378-7699 Y [1] VALVE & MTG GP-AUXILIARY  
  Y   SEPARATE ILLUSTRATION
 

#M00662460263
 

461-0811: LINES GP-AUXILIARY HYDRAULIC

461-0811 LINES GP-AUXILIARY HYDRAULIC
S/N 5131-UP
PART OF 454-5010 HYDRAULIC AR-AUXILIARY
i06558847 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-5124 I [1] HOSE AS  
2. 138-4572 [2] COVER  
3. 178-3620 [2] STRAP-DUAL CLAMP  
4. 311-8367 [1] PLATE  
5. 521-4580 [1] HOSE  
6. 396-5463 I [1] HOSE AS  
7. 461-4103 I [1] HOSE AS  
8. 105-3478 M [8] BOLT-SOCKET HEAD (M10X1.5X35-MM)  
9. 177-2215 [3] STRAP-DUAL CLAMP  
10. 211-2668 [4] CLAMP-HALF  
11. 4J-5267 [2] SEAL-O-RING  
12. 7D-1553 [2] CLIP  
14. 7V-6571 [2] GROMMET  
15. 7X-7729 [2] WASHER (11X25X3-MM THK)  
16. 8C-3205 [4] FLANGE-HALF  
17. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
18. 8T-4137 M [2] BOLT (M10X1.5X20-MM)  
19. 8T-4983 [2] CLAMP-HOSE  
20. 8T-6869 M [1] BOLT (M8X1.25X60-MM)  
21. 8T-6912 M [1] BOLT (M8X1.25X50-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M00662460264
 

378-7703: LINES GP-FILTER

378-7703 LINES GP-FILTER
S/N 5131-UP
PART OF 454-5010 HYDRAULIC AR-AUXILIARY
i04928563 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 380-8303 I [1] HOSE AS  
2. 398-1070 I [1] HOSE AS  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#M00662460265
 

378-7696: LINES GP-HYDRAULIC OIL COOLER

378-7696 LINES GP-HYDRAULIC OIL COOLER
S/N 5131-UP
PART OF 454-5010 HYDRAULIC AR-AUXILIARY
i04928559 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7X-7958 [4] CLAMP-HOSE  
2. 177-1061 [1] ELBOW AS  
  5K-9090 [1] SEAL-O-RING  
  142-0038 [1] ELBOW  
3. 207-4499 [3] PLATE-COVER  
4. 311-8367 [1] PLATE  
5. 379-9513 I [1] HOSE AS  
6. 096-5866 M [1] BOLT (M8X1.25X75-MM)  
7. 206-6415 [6] CLAMP-HALF  
8. 5P-4116 [2] WASHER-HARD (8.8X20.5X2-MM THK)  
9. 7D-7233 [1] CLIP (LOOP)  
10. 8T-4189 M [1] BOLT (M8X1.25X20-MM)  
11. 8T-6869 M [2] BOLT (M8X1.25X60-MM)  
12. 5P-1506 E HOSE (306-CM)  
12A. 5P-1506 E HOSE (216-CM)  
  E   ORDER BY THE CENTIMETER
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M00662460266
 

395-0521: MOTOR GP-GEAR

395-0521 MOTOR GP-GEAR -HYDRAULIC FAN
S/N E7A1-UP
PART OF 441-4900 FAN GP-SUCTION
AN ATTACHMENT
i04896916 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 160-8499 M [1] NUT (M12X1.5-THD)  
2. 9T-2005 [1] LOCKWASHER  
3. 3E-4333 [1] KEY-WOODRUFF  
4. 095-0936 [1] RING-RETAINING  
5. 3E-8028 M [4] BOLT-SOCKET HEAD (M10X1.5X150-MM)  
6. 095-0919 J [1] RING-RETAINING  
7. 8T-4896 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  380-8573 J [1] KIT-SEAL (GEAR MOTOR)  
    (ALSO INCLUDES PARTS MARKED J ON THE GRAPHIC)
  J   KIT MARKED J SERVICE PART MARKED J
  M   METRIC PART
 

#M00662460267
 

353-5924: MOTOR GP-PISTON

353-5924 MOTOR GP-PISTON -PROPEL
S/N 5131-UP
PART OF 355-6035 MOTOR & MTG GP-PROPEL
i04573684 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8005 [2] PLUG (3/4-16-THD)  
2. 3K-0360 [2] SEAL-O-RING  
3. 141-0305 [1] SETSCREW  
4. 191-3539 J [2] NUT-SEAL  
5. 378-9277 Y [1] ROTATING GP-MOTOR (PROPEL)  
6. 139-7754 [1] PLUG  
7. 109-3203 J [1] SEAL-O-RING  
8. 137-4607 [1] PISTON-STROKING  
9. 8T-9515 M [6] BOLT-SOCKET HEAD (M10X1.5X40-MM)  
10. 8T-0341 M [2] BOLT-SOCKET HEAD (M10X1.5X60-MM)  
11. 033-6039 J [3] SEAL-O-RING  
12. 369-4728 Y [1] VALVE GP-FLUSHING (PROPEL MOTOR)  
13. 139-7751 [1] SLEEVE-VALVE  
14. 107-3117 J [1] SEAL-O-RING  
15. 139-7756 [1] PLUG  
16. 139-7753 [1] SPRING  
17. 137-4602 [1] SPOOL  
18. 123-5798 [3] SEAT  
19. 139-7755 [2] VALVE (PROPEL MOTOR)  
20. 123-5799 [3] SEAT  
21. 9T-3928 J [2] PLUG AS  
22. 192-3292 [1] PIN  
23. 241-4007 [1] SCREW-LOCK  
24. 258-0134 [2] DOWEL  
25. 135-2652 [1] SEAL-O-RING  
26. 137-4605 [1] CONNECTOR-REDUCING  
27. 137-4606 [1] PIN-LENS  
28. 2H-9247 J [1] SEAL-O-RING  
29. 9X-6405 M [1] SETSCREW-SOCKET (M10X1.5X60-MM)  
30. 7X-1553 J [1] SEAL-LIP TYPE  
31. 141-0224 J [1] SHIM (3-MM THK)  
32. 8T-9598 [1] RING-RETAINING  
   
    AVAILABLE REPAIR KIT(S):
  382-9269 J [1] KIT-SEAL (PROPEL MOTOR)  
    (ALSO INCLUDES PLUG, O-RING & PLUG FITTING)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00662460268
 

353-5925: MOTOR GP-PISTON

353-5925 MOTOR GP-PISTON -PROPEL
S/N 5131-UP
PART OF 354-4762 MOTOR & MTG GP-PROPEL
i04617934 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-9598 [1] RING-RETAINING  
2. 141-0224 [1] SHIM (3-MM THK)  
3. 9S-8006 [1] PLUG (7/8-14-THD)  
4. 6V-4589 [1] SEAL-O-RING  
5. 9S-8008 [1] PLUG (1-1/16-12-THD)  
6. 6V-5050 [1] SEAL-O-RING  
7. 141-0305 [1] SETSCREW  
8. 191-3539 J [2] NUT-SEAL  
9. 313-7040 Y [1] ROTATING GP-MOTOR (PROPEL)  
    (INCLUDES PARTS MARKED "K" IN GRAPHIC)
10. 139-7754 [1] PLUG  
11. 109-3203 J [1] SEAL-O-RING  
12. 137-4607 [1] PISTON-STROKING  
13. 101-7398 M [6] BOLT-SOCKET HEAD (M10X1.5X40-MM)  
14. 8T-0341 M [2] BOLT-SOCKET HEAD (M10X1.5X60-MM)  
15. 033-6039 J [3] SEAL-O-RING  
16. 369-4728 Y [1] VALVE GP-FLUSHING (PROPEL MOTOR)  
17. 139-7756 [1] PLUG  
18. 107-3117 J [1] SEAL-O-RING  
19. 139-7753 [1] SPRING  
20. 137-4602 [1] SPOOL  
21. 139-7751 [1] SLEEVE-VALVE  
22. 123-5798 [3] SEAT  
23. 123-5799 [3] SEAT  
24. 139-7757 [2] PLUG  
25. 9S-8004 [1] PLUG (9/16-18-THD)  
26. 214-7568 [1] SEAL-O-RING  
27. 139-7755 [2] VALVE (PROPEL)  
28. 258-0134 [2] DOWEL  
29. 033-6041 J [1] SEAL-O-RING  
30. 137-4605 [1] CONNECTOR-REDUCING  
31. 192-3292 [1] PIN  
32. 137-4606 [1] PIN-LENS  
33. 6V-7351 [1] SEAL-O-RING  
34. 9X-6405 M [1] SETSCREW-SOCKET (M10X1.5X60-MM)  
35. 7X-1553 J [1] SEAL-LIP TYPE  
   
    AVAILABLE REPAIR KIT(S):
  369-4729 J [1] KIT-SEAL (PISTON MOTOR)  
    (INCLUDES SEALS, NUTS, O-RINGS, BACKUP RINGS & PARTS MARKED J IN THE GRAPHIC)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00662460269
 

353-5934: MOTOR GP-PISTON

353-5934 MOTOR GP-PISTON
S/N 5131-UP
PART OF 355-6032 MOTOR & MTG GP-PISTON
i04519953 M0066246
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Parts for your CS78B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 369-4726 Y [1] ROTATING GP-MOTOR (VIBRATORY)  
2. 9S-8005 [2] PLUG (3/4-16-THD)  
3. 3K-0360 [2] SEAL-O-RING  
4. 153-1157 [1] SEAL-O-RING  
5. 183-6301 [1] PLATE-PORT  
6. 8T-1159 M [2] BOLT-SOCKET HEAD (M10X1.5X25-MM)  
7. 8T-0341 M [4] BOLT-SOCKET HEAD (M10X1.5X60-MM)  
8. 373-2009 Y [1] VALVE GP-FLUSHING  
9. 192-8862 [1] PIN  
10. 9T-2901 [1] SEAL-LIP TYPE  
11. 6V-1197 [1] SEAL-O-RING  
12. 8T-7567 [1] RING-RETAINING (INTERNAL)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications
Pump Mounting (Axle Propel and Drum Propel)
CS74B, CP74B and CS78B VIBRATORY SOIL COMPACTOR Propel System
Piston Pump (Vibratory)
CS/CP74B, CS78B and CS79B Vibratory soil compactor Machine systems
Piston Pump (Axle Propel and Drum Propel)
CS74B, CP74B and CS78B VIBRATORY SOIL COMPACTOR Propel System
Systems Operation
Hydraulic Schematic (Propel System)
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Propel System Components
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Piston Pump (Propel)
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Piston Pump (Vibratory)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Gear Pump (Steering)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
General Information (Fan Drive Hydraulic System)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Location of Components (Fan Drive Hydraulic System)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Gear Pump (Fan Drive)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Reuse And Salvage Guidelines
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}
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}
Testing and Adjusting
Relief Valve (Charge) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Relief Valve (Main, Vibratory) - Test and Adjust
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump Neutral (Vibratory) - Test and Adjust
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Gear Pump Flow (Cooling Fan) - Test
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Relief Valve (Main, Axle Propel Pump) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Relief Valve (Main, Drum Propel Pump) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Piston Pump Neutral (Mechanical) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Pump Control (Electrical Proportional Control) Neutral (Axle Propel) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Pump Control (Electrical Proportional Control) Neutral (Drum Propel) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Pump Synchronization - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Gear Pump Flow (Steering) - Test
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Relief Valve (Steering) - Test
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Bench Test Procedures
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {0738, 5050, 5070}
Bench Test Procedure for Hydraulic Piston Pumps {0738, 5050, 5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Disassembly and Assembly
Gear Pump (Steering, Hydraulic Fan) - Remove and Install
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump (Vibratory) - Remove and Install
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump (Propel, Vibratory) - Remove and Install
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Gear Pump (Steering, Hydraulic Fan) - Disassemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Gear Pump (Steering, Hydraulic Fan) - Assemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump (Propel) - Disassemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump (Propel) - Assemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems

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