HYDRAULIC SYSTEM
VALVE GP-CONTROLSUPPORT GP
SWIVEL GP
TANK GP
VALVE GP
VALVE GP-CHECK
VALVE GP-CONTROL
HYDRAULIC SYSTEM
VALVE GP-CONTROL#SEBP74660270
369-8395: SPOOL GP-CONTROL VALVE
369-8395 SPOOL GP-CONTROL VALVE -BOOM II
S/N BRW1-UP
PART OF 420-2241 VALVE GP-MAIN CONTROL
S/N BRW1-UP
PART OF 420-2241 VALVE GP-MAIN CONTROL
#SEBP74660271
369-8434: SPOOL GP-CONTROL VALVE
369-8434 SPOOL GP-CONTROL VALVE -BOOM I
S/N BRW1-UP
PART OF 420-2241 VALVE GP-MAIN CONTROL
S/N BRW1-UP
PART OF 420-2241 VALVE GP-MAIN CONTROL
#SEBP74660272
390-4281: SUPPORT GP-LINES
390-4281 SUPPORT GP-LINES
S/N BRW1-UP
PART OF 398-8994 LINES AR-AUXILIARY HYDRAULIC, 398-8996 LINES AR-QUICK COUPLER
FOR USE WITH 4.65-M (15.25-FT) BOOM
AN ATTACHMENT
S/N BRW1-UP
PART OF 398-8994 LINES AR-AUXILIARY HYDRAULIC, 398-8996 LINES AR-QUICK COUPLER
FOR USE WITH 4.65-M (15.25-FT) BOOM
AN ATTACHMENT
#SEBP74660273
162-4696: SWIVEL GP
Parts for your 312D2 GC EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 455-3798 M | [6] | BOLT (M10X1.5X25-MM) | |
| 2. | 453-3454 | [2] | WASHER-HARD (11X21X2.5-MM THK) | |
| 3. | 5I-4363 | [1] | COVER | |
| 4. | 095-1716 | [1] | SEAL-O-RING | |
| 5. | 7I-7321 | [1] | RETAINER | |
| 6. | 4I-7604 | [1] | HOUSING | |
| 7. | 159-7782 | [5] | SEAL | |
| 8. | 095-1625 | [3] | SEAL-O-RING | |
| 9. | 4I-7605 | [1] | ROTOR | |
| 10. | 8T-6759 | [1] | PLUG-PIPE | |
| M | METRIC PART | |||
#SEBP74660274
455-9318: TANK & FILTER GP-HYDRAULIC
455-9318 TANK & FILTER GP-HYDRAULIC
S/N BRW1-UP
150-L (39.6-U S GAL)
PART OF 455-9317 TANK & MTG GP-HYDRAULIC
S/N BRW1-UP
150-L (39.6-U S GAL)
PART OF 455-9317 TANK & MTG GP-HYDRAULIC
Parts for your 312D2 GC EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1U-2827 | [1] | GUIDE-VALVE | |
| 2. | 6V-0852 | [1] | CAP-DUST | |
| 3. | 7K-1181 | [2] | STRAP-CABLE | |
| 4. | 8J-8782 | [1] | BODY-DRAIN VALVE | |
| 5. | 8J-8783 | [1] | VALVE-DRAIN | |
| 6. | 9J-7031 | [1] | PLUG-DRAIN (HYDRAULIC TANK) | |
| 7. | 179-7541 | [1] | PIPE AS | |
| 8. | 207-6403 | [1] | PLUG | |
| 9. | 207-6404 | [1] | WASHER (49.5X60.5X1.5-MM THK) | |
| 10. | 227-0590 | [1] | BREATHER (HYDRAULIC TANK) | |
| 11. | 269-9853 | [1] | COVER AS | |
| 12. | 269-9858 | [1] | PIPE | |
| 13. | 289-8194 Y | [1] | FILTER GP-OIL (HYDRAULIC, CASE DRAIN) | |
| 14. | 292-7461 | [1] | SUPPORT | |
| 15. | 315-4441 | [1] | SWITCH AS-PRESSURE (HYDRAULIC OIL) | |
| 16. | 347-6081 Y | [1] | GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL) | |
| 17. | 361-8998 | [1] | FLANGE AS | |
| 283-6089 | [1] | SEAL-O-RING | ||
| [1] | FLANGE | |||
| 19. | 392-2876 Y | [1] | FILTER GP-OIL (HYDRAULIC, MAIN RETURN) | |
| 20. | 394-4278 Y | [1] | SCREEN GP-HYDRAULIC (TANK) | |
| 21. | 432-6291 | [1] | SENSOR-TEMPERATURE (HYDRAULIC OIL) | |
| 22. | 095-1608 | [1] | SEAL-O-RING | |
| 23. | 095-1725 | [1] | SEAL-O-RING | |
| 24. | 129-3400 | [1] | GUARD | |
| 25. | 158-8987 Y | [1] | FILTER & VALVE GP-PILOT (HYDRAULIC OIL) | |
| 26. | 164-5567 | [1] | COUPLER AS-QUICK DISCONNECT (MALE) | |
| 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | ||
| 214-7568 | [1] | SEAL-O-RING | ||
| 27. | 164-5590 | [1] | VALVE AS-FLUID SAMPLING (HYDRAULIC OIL) | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 8C-3446 | [1] | VALVE-SAMPLING | ||
| 28. | 170-8553 M | [4] | BOLT-SOCKET HEAD (M12X1.75X40-MM) | |
| 29. | 191-8920 M | [2] | BOLT-SOCKET HEAD (M6X1X12-MM) | |
| 30. | 1J-2859 | [1] | SEAL-O-RING | |
| 31. | 2H-3934 | [1] | SEAL-O-RING | |
| 32. | 3K-0360 | [1] | SEAL-O-RING | |
| 33. | 4J-0527 | [1] | SEAL-O-RING | |
| 34. | 5C-9553 M | [4] | BOLT (M6X1X16-MM) | |
| 35. | 5M-2057 | [1] | SEAL-O-RING | |
| 36. | 7B-3039 | [1] | SPRING | |
| 37. | 8C-3451 | [1] | CAP-DUST (HYDRAULIC OIL) | |
| 38. | 8T-3298 | [1] | SEAL-RECTANGULAR | |
| 39. | 8T-4121 | [13] | WASHER-HARD (11X21X2.5-MM THK) | |
| 40. | 8T-4136 M | [11] | BOLT (M10X1.5X25-MM) | |
| 41. | 8T-4184 M | [8] | BOLT (M12X1.75X45-MM) | |
| 42. | 8T-4196 M | [2] | BOLT (M10X1.5X35-MM) | |
| 43. | 8T-4223 | [8] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 44. | 8T-4224 | [4] | WASHER-HARD (8.8X16X2-MM THK) | |
| 45. | 8T-4908 M | [4] | BOLT (M8X1.25X25-MM) | |
| 46. | 9F-1399 | [1] | SEAL-O-RING | |
| 47. | 9X-8256 | [4] | WASHER (6.6X12X2-MM THK) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP74660275
455-9317: TANK & MTG GP-HYDRAULIC
Parts for your 312D2 GC EXCAVATOR:
CATERPILLAR SIS#SEBP74660276
270-5871: VALVE AR
Parts for your 312D2 GC EXCAVATOR:
CATERPILLAR SIS#SEBP74660277
171-0002: VALVE GP-CHECK
171-0002 VALVE GP-CHECK -COOLER BYPASS
S/N BRW1-UP
PART OF 391-7812 LINES GP-HYDRAULIC OIL COOLER
S/N BRW1-UP
PART OF 391-7812 LINES GP-HYDRAULIC OIL COOLER
Parts for your 312D2 GC EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| (INDIVIDUAL PARTS ARE NOT SERVICED SEPARATELY) | ||||
#SEBP74660278
454-0504: VALVE GP-CHECK
454-0504 VALVE GP-CHECK -PILOT OPERATED
S/N BRW1-UP
PART OF 460-4151 LINES GP-FRONT
AN ATTACHMENT
S/N BRW1-UP
PART OF 460-4151 LINES GP-FRONT
AN ATTACHMENT
Parts for your 312D2 GC EXCAVATOR:
CATERPILLAR SIS#SEBP74660279
420-2241: VALVE GP-MAIN CONTROL
Parts for your 312D2 GC EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 285-1507 | [1] | SPRING | |
| 2. | 285-1506 | [1] | VALVE | |
| 3. | 285-1504 Y | [1] | SPOOL GP-CONTROL VALVE (COMBINED FLOW) | |
| 4. | 285-1503 | [2] | COVER | |
| 5. | 095-1579 | [1] | SEAL-O-RING | |
| 6. | 5A-3604 M | [24] | BOLT-SOCKET HEAD (M8X1.25X25-MM) | |
| 7. | 197-0165 M | [20] | BOLT (M8X1.25X20-MM) | |
| 8. | 197-0167 | [1] | PLATE | |
| 9. | 095-1578 | [12] | SEAL-O-RING | |
| 10. | 095-1696 | [8] | SEAL-O-RING | |
| 11. | 085-9768 M | [5] | BOLT (M14X2X40-MM) | |
| 12. | 095-1698 | [18] | SEAL-O-RING | |
| 13. | 197-0145 | [13] | PLUG | |
| 14. | 095-1582 | [13] | SEAL-O-RING | |
| 15. | 095-1585 | [11] | SEAL-O-RING | |
| 16. | 197-0272 | [8] | PLUG | |
| 17. | 197-0143 M | [3] | BOLT (M14X2X95-MM) | |
| 18. | 3D-2824 | [2] | SEAL-O-RING | |
| 19. | 9S-4183 | [2] | PLUG (1-1/16-12-THD) | |
| 20. | 197-0144 M | [13] | BOLT (M14X2X130-MM) | |
| 21. | 7I-7192 | [2] | PLUG | |
| 22. | 215-4855 | [2] | VALVE AS-CHECK (MAKEUP) | |
| 23. | 095-1700 | [10] | SEAL-O-RING | |
| 24. | 197-0168 | [10] | COVER | |
| 25. | 309-9973 Y | [6] | VALVE GP-RELIEF | |
| 26. | 7I-7208 | [10] | VALVE-LOAD CHECK | |
| 27. | 7I-7207 | [13] | SPRING | |
| 28. | 095-1586 | [15] | SEAL-O-RING | |
| 29. | 7I-7206 | [13] | PLUG | |
| 30. | 197-0213 Y | [1] | SPOOL GP-CONTROL VALVE (BUCKET) | |
| 31. | 7I-7204 | [12] | SEAL | |
| 32. | 197-0170 | [10] | COVER | |
| 33. | 310-0357 Y | [1] | SPOOL GP-CONTROL VALVE (STICK II) | |
| 34. | 197-0225 | [2] | PLUG AS | |
| 35. | 197-0173 Y | [1] | SPOOL GP-CONTROL VALVE (WORK TOOL) | |
| 36. | 369-8395 Y | [1] | SPOOL GP-CONTROL VALVE (BOOM II) | |
| 37. | 131-5767 | [2] | PLUG | |
| 38. | 105-7405 | [2] | SPRING | |
| 39. | 131-5768 | [2] | VALVE-LOAD CHECK | |
| 40. | 197-0169 | [2] | VALVE AS | |
| 41. | 369-8434 Y | [1] | SPOOL GP-CONTROL VALVE (BOOM I) | |
| 42. | 7I-7235 | [2] | PLUG | |
| 43. | 3J-1907 | [1] | SEAL-O-RING | |
| 44. | 9S-4191 | [1] | PLUG (9/16-18-THD) | |
| 45. | 201-9271 | [1] | SPOOL AS | |
| 46. | 103-8413 | [1] | ROD | |
| 47. | 103-8412 | [1] | SPRING | |
| 48. | 103-8411 | [1] | SPRING | |
| 49. | 197-0166 | [1] | PLUG | |
| 50. | 7I-8084 | [6] | PLUG | |
| 51. | 352-7197 Y | [2] | SPOOL GP-CONTROL VALVE (TRAVEL, RH, LH) | |
| 52. | 270-5978 Y | [1] | VALVE GP-RELIEF (MAIN) | |
| 53. | 095-0965 | [2] | PLUG | |
| 54. | 7I-7241 | [2] | ORIFICE | |
| 55. | 197-0217 Y | [1] | SPOOL GP-CONTROL VALVE (STICK REGENERATION) | |
| 57. | 285-1505 Y | [1] | SPOOL GP-CONTROL VALVE (SWING PRIORITY) | |
| 58. | 7I-7250 | [1] | VALVE-LOAD CHECK | |
| 59. | 369-8394 Y | [1] | SPOOL GP-CONTROL VALVE (STICK I) | |
| 60. | 197-0146 | [1] | SPRING | |
| 61. | 197-0147 | [1] | VALVE | |
| 63. | 095-1592 | [2] | SEAL-O-RING | |
| 64. | 215-4872 | [2] | VALVE | |
| 65. | 170-9997 | [1] | PLUG | |
| 66. | 310-0065 Y | [1] | SPOOL GP-CONTROL VALVE (SWING BOOM) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
Information:
HYDRAULIC SYSTEM
VALVE GP-CONTROL
Specifications
Systems Operation
Testing and Adjusting
Disassembly and Assembly