HYDRAULIC SYSTEM
VALVE GP-CONTROLVALVE GP-LOAD CONTROL
VALVE GP-CONTROL
VALVE GP-MANUAL
VALVE GP-PILOT
HYDRAULIC SYSTEM
VALVE GP-CONTROL#SEBP75960410
352-6846: VALVE GP-CONTROL
  352-6846 VALVE GP-CONTROL -BOOM, BUCKET, STICK, TRAVEL 
S/N JEE1-UP
PART OF 285-1536 VALVE GP-MAIN CONTROL
S/N JEE1-UP
PART OF 285-1536 VALVE GP-MAIN CONTROL
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 6E-2274 | [5] | COVER | |
| 2. | 310-0404 Y | [2] | PLUG GP-CONTROL VALVE | |
| 3. | 6E-5731 | [4] | VALVE (LOAD CHECK) | |
| 4. | 7I-1248 | [5] | SPRING | |
| 5. | 7Y-8099 | [2] | COVER | |
| 6. | 147-4163 Y | [1] | VALVE GP-RELIEF (NEGATIVE FLOW CONTROL) | |
| 7. | 153-5286 | [1] | VALVE (LOAD CHECK) | |
| 8. | 153-5288 | [1] | SPRING | |
| 9. | 153-5289 | [1] | GUIDE | |
| 10. | 153-5290 | [1] | PLUG | |
| 11. | 153-5291 | [1] | CONNECTOR | |
| 12. | 153-5292 | [1] | VALVE-CHECK | |
| 13. | 153-5293 | [1] | SPRING | |
| 14. | 158-8159 | [5] | HOUSING | |
| 15. | 236-6419 | [5] | PLUG | |
| 16. | 236-6421 | [1] | PLUG | |
| 17. | 352-7122 CY | [3] | VALVE GP-RELIEF (PILOT OPERATED) | |
| 18. | 352-6853 Y | [1] | VALVE GP-CONTROL (WITHOUT COVERS, HOUSINGS) | |
| 19. | 095-1590 | [5] | SEAL-O-RING | |
| 20. | 095-1787 | [5] | RING-BACKUP | |
| 21. | 111-9959 | [2] | PLUG-PIPE | |
| 22. | 2M-9780 | [1] | SEAL-O-RING | |
| 23. | 4I-6397 | [1] | RING-BACKUP | |
| 24. | 4J-0520 | [2] | SEAL-O-RING | |
| 25. | 6V-3922 | [1] | SEAL-O-RING | |
| 26. | 6V-5597 | [10] | SEAL-O-RING | |
| 27. | 7M-8485 | [1] | SEAL-O-RING | |
| 28. | 8T-4121 | [20] | WASHER-HARD (11X21X2.5-MM THK) | |
| 29. | 8T-4195 M | [28] | BOLT (M10X1.5X30-MM) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP75960411
352-6853: VALVE GP-CONTROL
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 6E-2271 | [10] | RETAINER | |
| 2. | 352-7057 | [3] | SPRING-RETURN | |
| 3. | 352-7058 | [1] | SPRING-RETURN | |
| 4. | 352-7059 | [1] | SPRING-RETURN | |
| 5. | 153-5276 M | [5] | BOLT-SPECIAL (M10X1.5X82-MM) | |
| 6. | 225-4820 | [1] | PLUG AS | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 225-4821 | [1] | PLUG | ||
| PARTS SHOWN IN GRAPHIC WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| M | METRIC PART | |||
#SEBP75960412
352-6856: VALVE GP-CONTROL
  352-6856 VALVE GP-CONTROL -WITHOUT HOUSINGS 
S/N JEE1-UP
PART OF 352-7142 VALVE GP-CONTROL
S/N JEE1-UP
PART OF 352-7142 VALVE GP-CONTROL
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 2S-2596 | [1] | SPRING | |
| 2. | 6E-2163 | [1] | VALVE-CHECK | |
| 3. | 6E-2271 | [8] | RETAINER | |
| 4. | 352-7057 | [2] | SPRING-RETURN | |
| 5. | 352-7058 | [1] | SPRING-RETURN | |
| 6. | 352-7059 | [1] | SPRING-RETURN | |
| 7. | 153-5276 M | [4] | BOLT-SPECIAL (M10X1.5X82-MM) | |
| 8. | 225-4820 | [1] | PLUG AS | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 225-4821 | [1] | PLUG | ||
| 9. | 3K-0360 | [1] | SEAL-O-RING | |
| M | METRIC PART | |||
#SEBP75960413
352-7142: VALVE GP-CONTROL
  352-7142 VALVE GP-CONTROL -BOOM, STICK, SWING, TRAVEL 
S/N JEE1-UP
PART OF 285-1536 VALVE GP-MAIN CONTROL
S/N JEE1-UP
PART OF 285-1536 VALVE GP-MAIN CONTROL
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 4T-3148 | [3] | SPRING | |
| 2. | 6E-2274 | [5] | COVER | |
| 3. | 6E-5169 | [1] | SPRING | |
| 4. | 7I-1248 | [1] | SPRING | |
| 5. | 121-1491 Y | [1] | VALVE GP-SOLENOID (STRAIGHT TRAVEL) | |
| 6. | 153-5288 | [1] | SPRING | |
| 7. | 153-5289 | [1] | GUIDE | |
| 8. | 153-5290 | [2] | PLUG | |
| 9. | 153-5291 | [1] | CONNECTOR | |
| 10. | 153-5292 | [1] | VALVE-CHECK | |
| 11. | 153-5293 | [1] | SPRING | |
| 12. | 323-7898 Y | [1] | VALVE GP-PRIORITY (SWING)(BOOM 2) | |
| 13. | 153-5298 | [1] | SLEEVE | |
| 14. | 153-5299 | [1] | VALVE | |
| 15. | 153-5306 | [1] | SPRING | |
| 16. | 153-5309 | [1] | SLEEVE | |
| 17. | 153-5311 | [1] | SPRING | |
| 18. | 158-8150 | [1] | VALVE GP-UNLOADING (STICK CYLINDER) | |
| 19. | 158-8159 | [4] | HOUSING | |
| 20. | 158-8206 | [1] | HOUSING | |
| 21. | 158-8207 | [1] | STOPPER | |
| 22. | 323-7897 | [1] | COVER | |
| 23. | 201-9263 | [2] | PLUG | |
| 24. | 225-4818 | [3] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 4J-7533 | [1] | SEAL-O-RING | ||
| 225-4804 | [1] | PLUG | ||
| 25. | 236-6419 | [1] | PLUG | |
| 26. | 236-6421 | [1] | PLUG | |
| 27. | 264-9961 | [1] | PLUG | |
| 28. | 352-6856 Y | [1] | VALVE GP-CONTROL (WITHOUT HOUSINGS) | |
| 29. | 250-2446 | [1] | PLUG | |
| 30. | 250-2447 | [1] | PLUG | |
| 31. | 352-7116 Y | [1] | VALVE GP-RELIEF (PILOT OPERATED)(STRAIGHT TRAVEL) | |
| 32. | 352-7122 Y | [1] | VALVE GP-RELIEF (PILOT OPERATED)(STICK) | |
| 33. | 095-1575 | [1] | SEAL-O-RING | |
| 34. | 095-1590 | [3] | SEAL-O-RING | |
| 35. | 095-1603 | [1] | SEAL-O-RING | |
| 36. | 095-1778 | [1] | RING-BACKUP | |
| 37. | 095-1787 | [3] | RING-BACKUP | |
| 38. | 255-5594 | [1] | SEAL-O-RING | |
| 39. | 103-8177 | [1] | ADAPTER | |
| 40. | 123-2485 | [1] | PLUG | |
| 41. | 2M-9780 | [1] | SEAL-O-RING | |
| 42. | 3J-1907 | [1] | SEAL-O-RING | |
| 43. | 4I-3569 | [1] | RING-BACKUP | |
| 44. | 4I-6397 | [3] | RING-BACKUP | |
| 45. | 4J-5309 | [1] | SEAL-O-RING | |
| 46. | 4T-5074 | [1] | RING-BACKUP | |
| 47. | 6E-3653 | [1] | PLUG | |
| 48. | 6E-5643 | [1] | VALVE (LOAD CHECK)(BOOM) | |
| 48A. | 6E-5643 | [2] | VALVE (LOAD CHECK)(STRAIGHT TRAVEL) | |
| 49. | 6E-5731 | [1] | VALVE (LOAD CHECK)(SWING) | |
| 50. | 6V-3922 | [3] | SEAL-O-RING | |
| 51. | 6V-5393 | [1] | SEAL-O-RING | |
| 52. | 6V-5556 | [1] | SEAL-O-RING | |
| 53. | 6V-5597 | [9] | SEAL-O-RING | |
| 54. | 7I-2272 M | [2] | BOLT (M5X0.8X12-MM) | |
| 55. | 7M-8485 | [2] | SEAL-O-RING | |
| 56. | 7X-2621 M | [1] | BOLT (M10X1.5X12-MM) | |
| 57. | 7Y-5219 | [1] | SEAL-O-RING | |
| 58. | 8T-4121 | [24] | WASHER-HARD (11X21X2.5-MM THK) | |
| 59. | 8T-4195 M | [20] | BOLT (M10X1.5X30-MM) | |
| 60. | 8T-6685 M | [4] | BOLT (M10X1.5X110-MM) | |
| 61. | 8T-6759 | [2] | PLUG-PIPE | |
| 62. | 111-9959 | [1] | PLUG-PIPE | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP75960414
255-5680: VALVE GP-LOAD CONTROL
  255-5680 VALVE GP-LOAD CONTROL -STICK DRIFT RED, LINE RELIEF 
S/N JEE1-UP
PART OF 260-7869 LINES GP-FRONT
S/N JEE1-UP
PART OF 260-7869 LINES GP-FRONT
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 8T-4136 M | [4] | BOLT (M10X1.5X25-MM) | |
| 2. | 4I-8965 | [1] | GUIDE | |
| 3. | 5I-8511 | [1] | SPRING | |
| 4. | 087-5166 | [1] | SPRING | |
| 5. | 118-4044 | [1] | COVER | |
| 7. | 147-4184 | [1] | PLUG | |
| 8. | 225-4818 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 4J-7533 | [1] | SEAL-O-RING | ||
| 225-4804 | [1] | PLUG | ||
| 9. | 352-7123 CY | [1] | VALVE GP-RELIEF (LINE) | |
| 11. | 095-1594 | [1] | SEAL-O-RING | |
| 12. | 095-1789 | [1] | RING | |
| 13. | 148-8395 | [1] | PLUG AS | |
| 3K-0360 | [1] | SEAL-O-RING | ||
| 9S-8005 | [1] | PLUG (3/4-16-THD) | ||
| 14. | 162-0177 | [1] | PLUG AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 9S-8004 | [1] | PLUG (9/16-18-THD) | ||
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP75960415
255-5683: VALVE GP-LOAD CONTROL
  255-5683 VALVE GP-LOAD CONTROL -BOOM DRIFT RED, LINE RELIEF 
S/N JEE1-UP
PART OF 260-7869 LINES GP-FRONT
S/N JEE1-UP
PART OF 260-7869 LINES GP-FRONT
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 8T-4136 M | [4] | BOLT (M10X1.5X25-MM) | |
| 2. | 4I-8965 | [1] | GUIDE | |
| 3. | 5I-8511 | [1] | SPRING | |
| 4. | 087-5166 | [1] | SPRING | |
| 5. | 118-4044 | [1] | COVER | |
| 7. | 225-4818 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 225-4804 | [1] | PLUG | ||
| 7A. | 4J-7533 | [1] | SEAL-O-RING | |
| 8. | 352-7123 CY | [1] | VALVE GP-RELIEF (LINE)(BOOM CYLINDER) | |
| 10. | 095-1594 | [1] | SEAL-O-RING | |
| 11. | 095-1789 | [1] | RING | |
| 12. | 148-8395 | [1] | PLUG AS | |
| 9S-8005 | [1] | PLUG (3/4-16-THD) | ||
| 12A. | 3K-0360 | [1] | SEAL-O-RING | |
| 13. | 148-8407 | [1] | PLUG AS | |
| 9S-4191 | [1] | PLUG (9/16-18-THD) | ||
| 13A. | 3J-1907 | [1] | SEAL-O-RING | |
| 14. | 190-7865 | [1] | CONNECTOR | |
| 15. | 3J-1907 | [1] | SEAL-O-RING | |
| 16. | 6V-8397 | [1] | SEAL-O-RING | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP75960416
285-1536: VALVE GP-MAIN CONTROL
  285-1536 VALVE GP-MAIN CONTROL 
S/N JEE1-UP
PART OF 464-2045, 549-6055 HYDRAULIC AR
S/N JEE1-UP
PART OF 464-2045, 549-6055 HYDRAULIC AR
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 451-2175 | [9] | WASHER-HARD (17.5X30X3.5-MM THK) | |
| 2. | 206-3164 Y | [1] | VALVE GP-RELIEF (NEGATIVE FLOW CONTROL) | |
| 3. | 352-7142 Y | [1] | VALVE GP-CONTROL (BOOM, STICK, SWING, TRAVEL) | |
| 4. | 352-6846 Y | [1] | VALVE GP-CONTROL (BOOM, BUCKET, STICK, TRAVEL) | |
| 5. | 447-1711 M | [4] | BOLT (M16X2X50-MM) | |
| 6. | 1P-3702 | [2] | SEAL-RECTANGULAR | |
| 7. | 4J-0519 | [2] | SEAL-O-RING | |
| 8. | 447-1707 M | [5] | BOLT (M16X2X60-MM) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP75960417
389-2407: VALVE GP-MANUAL
  389-2407 VALVE GP-MANUAL -AUXILIARY, SHUTOFF 
S/N JEE1-UP
PART OF 253-6603, 253-6611 LINES GP-AUXILIARY HYDRAULIC
S/N JEE1-UP
PART OF 253-6603, 253-6611 LINES GP-AUXILIARY HYDRAULIC
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS#SEBP75960418
206-3336: VALVE GP-PILOT
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 107-6479 | [1] | PLUG | |
| 2. | 438-4965 | [2] | SPRING (STANDARD) | |
| -OR- | ||||
| 190-7819 | [2] | SPRING (OPTIONAL) | ||
| (REDUCES OPERATING FORCE BY 40%) | ||||
| 3. | 335-0136 | [1] | BELLOWS | |
| 4. | 335-0138 | [2] | PACKING | |
| 5. | 095-1575 | [1] | SEAL-O-RING | |
| 6. | 095-1578 | [2] | SEAL-O-RING | |
| 7. | 095-1579 | [1] | SEAL-O-RING | |
| 8. | 095-1584 | [1] | SEAL-O-RING | |
| 9. | 6V-8399 | [2] | SEAL-O-RING | |
| 10. | 9M-5590 | [1] | BALL | |
#SEBP75960419
297-0529: VALVE GP-PILOT
  297-0529 VALVE GP-PILOT -JOYSTICK 
S/N JEE1-UP
PART OF 297-0532, 297-0533 CONTROL GP-JOYSTICK
S/N JEE1-UP
PART OF 297-0532, 297-0533 CONTROL GP-JOYSTICK
Parts for your 340D2 L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 270-5953 | [4] | SPRING | |
| 2. | 095-1586 | [4] | SEAL-O-RING | |
| 3. | 4I-6365 | [1] | JOINT | |
| 4. | 094-0876 | [4] | SEAL | |
| 5. | 096-1628 | [4] | PLUG | |
| 6. | 099-6137 B | [4] | WASHER (6.1X9X0.2-MM THK) | |
| 7. | 118-4086 | [4] | ROD | |
| 8. | 118-4087 | [4] | SPRING | |
| 9. | 131-5915 M | [1] | NUT-SPECIAL | |
| 10. | 165-9431 | [1] | PLATE | |
| 11. | 165-9435 | [2] | SEAT | |
| 12. | 165-9436 | [2] | SEAT | |
| 13. | 165-9438 | [1] | PLATE | |
| 14. | 165-9442 | [2] | SPRING | |
| 15. | 165-9443 | [2] | SEAT-SPRING | |
| 16. | 165-9444 | [2] | SEAT-SPRING | |
| 17. | 165-9460 | [2] | SPRING | |
| 18. | 171-0087 | [1] | BELLOWS | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| B | USE AS REQUIRED | |||
| M | METRIC PART | |||
Information:
HYDRAULIC SYSTEM
 
VALVE GP-CONTROL
 
Specifications 
                                     
Systems Operation 
       
Testing and Adjusting
             
Disassembly and Assembly