HYDRAULIC SYSTEM
VALVE GP-RELIEFMOTOR GP
VALVE GP-RELIEF
SWIVEL GP
VALVE GP-PILOT
HYDRAULIC SYSTEM
VALVE GP-RELIEF#XEBP76450550
154-0401: VALVE GP-RELIEF
  1540401 VALVE GP-RELIEF
DIRECT OPERATED
S/N 5BR 01624-01965, 6CR 02695-04596
PART OF 1163550-Page 337.02
DIRECT OPERATED
S/N 5BR 01624-01965, 6CR 02695-04596
PART OF 1163550-Page 337.02
Parts for your 320B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 7I-7970 | [1] | PLUG | |
| 2. | 4I-7792 | [1] | SPRING | |
| 3. | 4I-7793 | [1] | LOCKNUT | |
| 4. | 4I-7837 | [1] | BALL | |
| 5. | 155-7168 | [1] | BODY AS | |
| 6. | 7I-7965 | [1] | SPRING | |
| 7. | 095-1698 | [1] | SEAL-O-RING (ID=29.40mm) | |
| 8. | 7Y-4278 | [1] | RING-BACK UP | |
| 9. | 4I-7794 | [1] | RETAINER | |
| 10. | 095-1593 | [1] | SEAL-O-RING (ID=24.70mm) | |
| 11. | 096-3064 | [1] | RING-BACK UP | |
| 12. | 095-1586 | [1] | SEAL-O-RING (ID=19.80mm) | |
| 13. | 095-1785 | [1] | RING-BACK UP | |
| 14. | 7I-7971 | [1] | PLUG | |
| 15. | 7Y-5280 | [1] | SEAL-O-RING (ID=3.80mm) | 
#XEBP76450551
176-5105: VALVE GP-RELIEF
  1765105 VALVE GP-RELIEF
DIRECT OPERATED
S/N 5BR 01966-UP, 6CR 04597-UP
PART OF 1765104-Page 337.03
DIRECT OPERATED
S/N 5BR 01966-UP, 6CR 04597-UP
PART OF 1765104-Page 337.03
Parts for your 320B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | [1] | PLUG | ||
| 2. | [1] | RING | ||
| 3. | [1] | SEAL-O-RING (ID=21.89mm) | ||
| 4. | [1] | LOCKNUT | ||
| 5. | [1] | RING | ||
| 6. | [1] | SEAL-O-RING (ID=25.07mm) | ||
| 7. | [1] | RETAINER | ||
| 8. | [1] | SEAL-O-RING (ID=29.40mm) | ||
| 9. | [1] | BODY AS | ||
| 10. | [1] | SPRING | ||
#XEBP76450552
107-7028: MOTOR & MTG GP-TRAVEL
  1077028 MOTOR & MTG GP-TRAVEL
PART OF 1141483-Page 152
1077029-Page 342, 1373718-Page 344
PART OF 1141483-Page 152
1077029-Page 342, 1373718-Page 344
Parts for your 320B EXCAVATOR:
CATERPILLAR SIS#XEBP76450553
107-7029: MOTOR GP-TRAVEL
  1077029 MOTOR GP-TRAVEL
PART OF 1077028-Page 341
PART OF 1077028-Page 341
Parts for your 320B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 087-4629 | [1] | SHAFT | |
| 2. | 087-4743 | [2] | STOPPER | |
| 3. | 094-1399 | [2] | RING | |
| 4. | 7Y-4212 | [1] | BEARING | |
| 5. | 087-4757 | [2] | PISTON | |
| 6. | 107-6969 | [1] | BODY | |
| 7. | 122-5114 | [1] | GUIDE | |
| 8. | 087-4628 | [1] | PLATE | |
| 9. | 147-5860 | [1] | PISTON AS | |
| 10. | 133-6777 | [1] | BARREL AS | |
| 11. | 107-6954 | [4] | PLATE | |
| 12. | 107-6955 | [5] | PLATE | |
| 13. | 096-1523 | [1] | GUIDE | |
| 14. | 7Y-4213 | [1] | PISTON | |
| 15. | 7Y-4202 | [1] | HEAD | |
| 16. | 8T-4944 | [10] | BOLT (L=40mm) | |
| 17. | 096-1521 B | [1] | SHIM (T=1.00mm) | |
| 096-3785 B | [1] | SHIM (T=1.20mm) | ||
| 096-3786 B | [1] | SHIM (T=1.40mm) | ||
| 096-3787 B | [1] | SHIM (T=1.60mm) | ||
| 096-3788 B | [1] | SHIM (T=1.80mm) | ||
| 096-1522 B | [1] | SHIM (T=2.00mm) | ||
| 18. | 096-3978 | [1] | SPRING | |
| 19. | 7Y-4216 | [1] | SPOOL | |
| 20. | 2M-9780 J | [1] | SEAL-O-RING (ID=19.18mm) | |
| 21. | 087-4786 | [1] | ADAPTER | |
| 22. | 121-1558 | [2] | PIN | |
| 23. | 096-5916 | [2] | SEAT | |
| 24. | 2D-6642 | [2] | BALL | |
| 25. | 095-1572 J | [2] | SEAL-O-RING (ID=4.80mm) | |
| 26. | 096-5919 J | [2] | RING | |
| 27. | 096-5915 | [2] | RETAINER | |
| 28. | 096-4003 | [1] | BEARING SET | |
| 29. | 095-1585 J | [1] | SEAL-O-RING (ID=17.80mm) | |
| 30. | 087-4742 | [1] | VALVE | |
| 31. | 096-1519 | [1] | SEAT | |
| 32. | 095-7380 | [1] | SPRING | |
| 33. | 095-7382 | [1] | RETAINER | |
| 34. | 094-1875 | [1] | DOWEL | |
| 35. | 095-7378 | [1] | WASHER SET | |
| 36. | 094-1882 | [11] | PLUG | |
| 37. | 095-1575 J | [3] | SEAL-O-RING (ID=7.80mm) | |
| 38. | 096-4378 J | [1] | RING | |
| 39. | 096-4377 J | [2] | SEAL-O-RING (ID=190.00mm) | |
| 40. | 095-1700 J | [2] | SEAL-O-RING (ID=34.40mm) | |
| 41. | 095-7384 J | [1] | SEAL-O-RING (ID=160.00mm) | |
| 42. | 095-7383 J | [1] | SEAL-O-RING (ID=174.00mm) | |
| 43. | 095-7386 J | [1] | RING | |
| 44. | 095-7387 J | [1] | RING | |
| 45. | 095-1685 J | [1] | SEAL-O-RING (ID=179.30mm) | |
| 46. | 118-4057 | [9] | SPRING | |
| 47. | 7Y-4215 | [1] | SPACER | |
| 48. | 095-1586 J | [2] | SEAL-O-RING (ID=19.80mm) | |
| 49. | 7Y-4217 J | [2] | RING | |
| 50. | 096-4376 J | [1] | SEAL | |
| 51. | 123-2008 | [2] | KEY | |
| 52. | 095-7419 | [4] | SCREW | |
| 53. | 7Y-4224 | [2] | ORIFICE | |
| 54. | 3K-0360 J | [1] | SEAL-O-RING (ID=16.36mm) | |
| 55. | 9S-4185 | [1] | PLUG | |
| THE FOLLOWING REPAIR KIT IS AVAILABLE: | ||||
| 7Y-4222 | [1] | SEAL KIT (INCLUDES PARTS MARKED J) | ||
| THE FOLLOWING SERVICE REPAIR IS AVAILABLE: | ||||
| 142-5515 | [2] | RING | ||
| B | USE AS REQUIRED | |||
#XEBP76450554
137-3718: VALVE GP-TRACTION CONTROL
Parts for your 320B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 5B-9304 | [2] | SCREW | |
| 2. | 6V-8200 | [8] | BOLT (L=35mm) | |
| 3. | 9S-8004 | [2] | PLUG | |
| 4. | 3J-1907 | [2] | SEAL-O-RING (ID=11.89mm) | |
| 5. | 129-7932 | [2] | GUIDE | |
| 6. | 129-7931 | [2] | SPRING | |
| 7. | 095-1701 | [2] | SEAL-O-RING (ID=39.40mm) | |
| 8. | 119-5360 | [2] | COVER | |
| 9. | 129-8030 Y | [2] | VALVE GP | |
| 10. | 2M-9780 | [2] | SEAL-O-RING (ID=19.18mm) | |
| 11. | 119-5364 | [2] | PLUG | |
| 12. | 119-5362 | [2] | SPRING | |
| 13. | 119-5365 | [2] | VALVE | |
| Y | SEE SEPARATE ILLUSTRATION | |||
#XEBP76450555
129-8030: VALVE GP-RELIEF
  1298030 VALVE GP-RELIEF
PART OF 1373718-Page 344
PART OF 1373718-Page 344
Parts for your 320B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 114-0515 | [1] | SEAT | |
| 2. | 095-1785 | [3] | RING (BACK UP) | |
| 3. | 095-1586 | [3] | SEAL-O-RING (ID=19.80mm) | |
| 4. | 114-0516 | [1] | SPRING | |
| 5. | 114-0519 | [1] | STOPPER | |
| 6. | 7Y-8436 | [1] | SCREW | |
| 7. | 7Y-8437 | [1] | NUT | |
| 8. | 114-0518 | [1] | BODY | |
| 9. | 095-1601 | [1] | SEAL-O-RING (ID=34.70mm) | |
| 10. | 121-1459 | [2] | RING (BACK UP) | |
| 11. | 114-0517 | [1] | PISTON | |
| 12. | 114-0514 | [1] | SPRING | |
| 13. | 129-8031 | [1] | VALVE GP | 
#XEBP76450556
159-7841: SWIVEL GP
Parts for your 320B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 8T-4136 | [6] | BOLT (L=25mm) | |
| 2. | 8T-4121 | [2] | WASHER (HARD) | |
| 3. | 7Y-4817 | [1] | COVER | |
| 4. | 095-1716 | [1] | SEAL-O-RING (ID=109.40mm) | |
| 5. | 7I-7131 | [1] | RETAINER | |
| 6. | 7Y-4801 | [1] | HOUSING | |
| 7. | 159-7782 | [5] | SEAL | |
| 8. | 095-1625 | [3] | SEAL-O-RING (ID=89.60mm) | |
| 9. | 4I-6262 | [1] | ROTOR | |
| 4I-6263 Y | [1] | ROTOR GP | ||
| 10. | 8T-6759 | [1] | PLUG | |
| Y | SEE SEPARATE ILLUSTRATION | |||
#XEBP76450557
4I-6263: ROTOR GP-SWIVEL
  4I6263 ROTOR GP-SWIVEL
PART OF 1597841-Page 346
PART OF 1597841-Page 346
#XEBP76450558
123-2146: VALVE GP-PILOT
  1232146 VALVE GP-PILOT
RIGHT UNIT
S/N 5BR 1-01915, 6CR 1-04446
PART OF 1158896-Page 301
1337900-Page 349, 1315914-Page 402
RIGHT UNIT
S/N 5BR 1-01915, 6CR 1-04446
PART OF 1158896-Page 301
1337900-Page 349, 1315914-Page 402
Parts for your 320B EXCAVATOR:
CATERPILLAR SIS#XEBP76450559
123-2147: VALVE GP-PILOT
  1232147 VALVE GP-PILOT
LEFT UNIT
S/N 5BR 1-01915, 6CR 1-04446
PART OF 1158896-Page 301
1337899-Page 349, 1315914-Page 402
LEFT UNIT
S/N 5BR 1-01915, 6CR 1-04446
PART OF 1158896-Page 301
1337899-Page 349, 1315914-Page 402
Parts for your 320B EXCAVATOR:
CATERPILLAR SISInformation:
HYDRAULIC SYSTEM
 
VALVE GP-RELIEF
 
Specifications 
                   
Tool Operating Manual 
  
Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}
Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}
     Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}
Systems Operation 
             
Testing and Adjusting
                          
Relief Valve (One Way Flow Line) - Test and Adjust
320B, 322B, 325B and 330B Excavators Attachment Hydraulic Systems
                 320B, 322B, 325B and 330B Excavators Attachment Hydraulic Systems
Service Magazine 
                                  
 
  
  
  
  
 
 
 
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
  
  
  
  
 

