HYDRAULIC SYSTEM
VALVE GP-CONTROLVALVE GP-PILOT
PUMP GP
MOTOR GP
VALVE GP-SOLENOID
HYDRAULIC SYSTEM
VALVE GP-CONTROL#M00712100270
512-1008: VALVE GP-CONTROL
512-1008 VALVE GP-CONTROL -STICK
PART OF 486-1590 VALVE GP-MAIN CONTROL
AN ATTACHMENT
PART OF 486-1590 VALVE GP-MAIN CONTROL
AN ATTACHMENT
Parts for your 305.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 095-1574 | [1] | SEAL-O-RING | |
| 2. | 095-1590 | [1] | SEAL-O-RING | |
| 3. | 095-6623 | [2] | SPRING | |
| 4. | 104-8130 | [2] | SEAT | |
| 5. | 132-7705 M | [4] | BOLT (M6X1X18-MM) | |
| 6. | 150-6339 | [2] | SEAL | |
| 7. | 200-4940 | [2] | CAP | |
| 8. | 200-4941 | [2] | SEAT | |
| 9. | 279-4793 | [2] | SPRING | |
| 10. | 515-5833 | [1] | FLANGE | |
| 11. | 515-5837 | [2] | VALVE-POPPET | |
| 12. | 515-5839 | [1] | SPOOL AS | |
| 13. | 6V-7659 | [1] | SEAL-O-RING | |
| 14. | 8T-1158 M | [2] | BOLT-SOCKET HEAD (M8X1.25X20-MM) | |
| M | METRIC PART | |||
#M00712100271
512-1010: VALVE GP-CONTROL
512-1010 VALVE GP-CONTROL -BOOM SWING
PART OF 486-1590 VALVE GP-MAIN CONTROL
AN ATTACHMENT
PART OF 486-1590 VALVE GP-MAIN CONTROL
AN ATTACHMENT
Parts for your 305.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 095-1574 | [1] | SEAL-O-RING | |
| 2. | 095-1585 | [1] | SEAL-O-RING | |
| 3. | 095-6623 | [2] | SPRING | |
| 4. | 104-8130 | [2] | SEAT | |
| 5. | 132-7705 M | [4] | BOLT (M6X1X18-MM) | |
| 6. | 150-6339 | [2] | SEAL | |
| 7. | 200-4940 | [2] | CAP | |
| 8. | 200-4941 | [2] | SEAT | |
| 9. | 279-4793 | [2] | SPRING | |
| 10. | 310-7459 | [1] | PLUG | |
| 11. | 311-6270 | [1] | VALVE (DRIFT REDUCTION) | |
| 12. | 515-5837 | [2] | VALVE-POPPET | |
| 13. | 6V-7659 | [1] | SEAL-O-RING | |
| M | METRIC PART | |||
#M00712100272
486-1590: VALVE GP-MAIN CONTROL
486-1590 VALVE GP-MAIN CONTROL
PART OF 500-1895 VALVE & MOUNTING GP
AN ATTACHMENT
PART OF 500-1895 VALVE & MOUNTING GP
AN ATTACHMENT
Parts for your 305.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 508-1314 Y | [1] | VALVE GP-CONTROL (INLET) | |
| 2. | 508-1318 Y | [1] | VALVE GP-CONTROL (TRAVEL, LH) | |
| 3. | 508-1321 Y | [1] | VALVE GP-CONTROL (TRAVEL, RH) | |
| 4. | 508-1325 Y | [1] | VALVE GP-CONTROL (BLADE) | |
| 5. | 512-1006 Y | [1] | VALVE GP-CONTROL (BOOM) | |
| 6. | 508-1327 Y | [1] | VALVE GP-CONTROL (AUXILIARY) | |
| 7. | 512-1007 Y | [1] | VALVE GP-CONTROL (BUCKET) | |
| 8. | 512-1008 Y | [1] | VALVE GP-CONTROL (STICK) | |
| 9. | 512-1003 Y | [1] | VALVE GP-CONTROL (SWING) | |
| 10. | 512-1010 Y | [1] | VALVE GP-CONTROL (BOOM SWING) | |
| 11. | 512-1005 | [1] | VALVE GP-CONTROL (OUTLET)(OUTLET) | |
| 279-4810 | [2] | PLUG AS | ||
| 12. | 272-7832 | [6] | VALVE AS-RELIEF (LINE) | |
| (EACH INCLUDES) | ||||
| 2M-9780 | [1] | SEAL-O-RING | ||
| 13. | 222-2631 | [1] | VALVE AS-CHECK | |
| 14. | 185-0555 | [6] | VALVE AS-MANUAL (SHUTOFF) | |
| Y | SEPARATE ILLUSTRATION | |||
#M00712100273
237-4406: VALVE GP-PILOT
237-4406 VALVE GP-PILOT
S/N HRX1-UP
PART OF 391-2488 LINES GP-BOOM CHECK VALVE, 362-2792 LINES GP-FRONT
S/N HRX1-UP
PART OF 391-2488 LINES GP-BOOM CHECK VALVE, 362-2792 LINES GP-FRONT
Parts for your 305.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 239-0832 | [1] | PISTON | |
| 2. | 239-0833 | [1] | VALVE AS-RELIEF | |
| 3. | 250-3110 | [1] | SPRING | |
| 4. | 239-0835 | [1] | SPRING | |
| 5. | 239-0836 | [1] | PLUNGER | |
| 6. | 107-6479 | [1] | PLUG | |
| 7. | 7I-8084 | [5] | PLUG | |
| 8. | 170-9997 | [1] | PLUG | |
| 9. | 250-3111 | [1] | PLUG | |
| 10. | 250-3112 | [1] | PLUG | |
| 11. | 6V-8398 | [1] | SEAL-O-RING | |
| 12. | 6V-8397 | [1] | SEAL-O-RING | |
| 13. | 095-1579 | [1] | SEAL-O-RING | |
| 14. | 095-1584 | [1] | SEAL-O-RING | |
| 15. | 095-1582 | [1] | SEAL-O-RING | |
| 16. | 095-1578 | [1] | SEAL-O-RING |
#M00712100274
394-9996: VALVE GP-PILOT
394-9996 VALVE GP-PILOT -JOYSTICK CONTROL
PART OF 389-8782 CONTROL GP-JOYSTICK
AN ATTACHMENT
PART OF 389-8782 CONTROL GP-JOYSTICK
AN ATTACHMENT
Parts for your 305.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 165-9438 | [1] | PLATE | |
| 2. | 096-1628 | [4] | PLUG | |
| 3. | 135-8956 | [2] | ROD | |
| 4. | 132-7710 | [2] | ROD | |
| 5. | 094-0876 | [4] | SEAL | |
| 6. | 095-1586 | [4] | SEAL-O-RING | |
| 7. | 300-5023 | [2] | SEAT | |
| 8. | 165-9435 | [2] | SEAT | |
| 9. | 099-6137 | [4] | WASHER (6.1X9X0.2-MM THK) | |
| 10. | 190-7750 | [4] | SPRING | |
| 11. | 393-2856 | [2] | SPRING | |
| 12. | 393-2855 | [2] | SPRING | |
| 13. | 4I-6365 | [1] | JOINT | |
| 14. | 165-9431 | [1] | PLATE | |
| 15. | 212-0522 | [1] | NUT | |
| 16. | 171-0087 | [1] | BELLOWS |
#M00712100275
416-2294: VALVE GP-PILOT
416-2294 VALVE GP-PILOT -WITH SHUTTLE
PART OF 470-0494 VALVE & MTG GP-PILOT
PART OF 470-0494 VALVE & MTG GP-PILOT
Parts for your 305.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8T-6759 | [5] | PLUG-PIPE | |
| 2. | 331-9873 | [4] | SPRING | |
| 3. | 364-6125 | [2] | CAM | |
| 4. | 099-6137 | [4] | WASHER (6.1X9X0.2-MM THK) | |
| 5. | 099-6144 | [4] | BUSHING-TERMINAL | |
| 6. | 099-6145 | [2] | CAMSHAFT | |
| 7. | 119-5388 | [4] | CAP | |
| 8. | 119-5389 | [4] | PACKING | |
| 9. | 119-5391 | [4] | SEAT | |
| 10. | 126-1865 | [4] | SPRING | |
| 11. | 126-1866 | [4] | SPRING | |
| 12. | 153-5223 | [12] | BALL | |
| 13. | 364-6137 | [4] | PLATE | |
| 14. | 165-9554 | [4] | PLUG | |
| 15. | 099-6141 | [4] | WASHER (6.1X11X1.5-MM THK) | |
| 16. | 364-6126 | [4] | SPRING | |
| 17. | 310-0420 | [4] | SEAL-O-RING | |
| 18. | 310-0422 | [3] | SEAT | |
| 19. | 331-9872 | [4] | SEAT | |
| 20. | 369-8507 | [3] | PLUG-O-RING | |
| 21. | 369-8509 | [2] | COVER | |
| 22. | 369-8510 | [1] | COVER | |
| 23. | 369-8568 M | [2] | BOLT-SOCKET HEAD (M10X1.5X65-MM) | |
| 24. | 369-8569 | [2] | BELLOWS | |
| 25. | 087-4710 M | [4] | SETSCREW (M10X21-MM) | |
| 26. | 095-1260 M | [2] | SETSCREW-SOCKET (M6X1X6-MM) | |
| 27. | 095-1575 | [5] | SEAL-O-RING | |
| 28. | 3Y-9267 | [3] | BALL | |
| 29. | 6V-8202 M | [2] | BOLT-SOCKET HEAD (M8X1.25X16-MM) | |
| 30. | 6V-8400 | [4] | SEAL-O-RING | |
| 31. | 8C-6965 M | [2] | BOLT-SOCKET HEAD (M6X1X45-MM) | |
| 32. | 8T-4133 M | [4] | NUT (M10X1.5-THD) | |
| M | METRIC PART | |||
#M00712100276
467-3071: VALVE GP-PILOT
467-3071 VALVE GP-PILOT
PART OF 389-8782, 470-9638, 470-9640 CONTROL GP-JOYSTICK
AN ATTACHMENT
PART OF 389-8782, 470-9638, 470-9640 CONTROL GP-JOYSTICK
AN ATTACHMENT
Parts for your 305.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 165-9438 | [1] | PLATE | |
| 2. | 096-1628 | [4] | PLUG | |
| 3. | 135-8956 | [2] | ROD | |
| 4. | 132-7710 | [2] | ROD | |
| 5. | 094-0876 | [4] | SEAL | |
| 6. | 095-1586 | [4] | SEAL-O-RING | |
| 7. | 300-5023 | [2] | SEAT | |
| 8. | 165-9435 | [2] | SEAT | |
| 9. | 099-6137 | [4] | WASHER (6.1X9X0.2-MM THK) | |
| 10. | 190-7750 | [4] | SPRING | |
| 11. | 393-2856 | [2] | SPRING | |
| 12. | 393-2855 | [2] | SPRING | |
| 13. | 4I-6365 | [1] | JOINT | |
| 14. | 165-9431 | [1] | PLATE | |
| 15. | 212-0522 | [1] | NUT | |
| 16. | 352-6826 | [1] | BELLOWS |
#M00712100277
398-7457: VALVE GP-PUMP CONTROL
398-7457 VALVE GP-PUMP CONTROL -FLOW COMPENSATOR
PART OF 467-3053 PUMP GP-MAIN HYDRAULIC
PART OF 467-3053 PUMP GP-MAIN HYDRAULIC
Parts for your 305.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8T-8442 M | [4] | BOLT-SOCKET HEAD (M6X1X30-MM) | |
| 2. | 280-7870 | [1] | GASKET | |
| 3. | 6E-6528 J | [2] | SEAL | |
| 4. | 9S-8002 | [1] | PLUG (7/16-20-THD) | |
| 5. | 3J-7354 | [1] | SEAL-O-RING | |
| 6. | 033-6043 J | [1] | SEAL-O-RING | |
| 7. | 6V-6339 J | [1] | SEAL-O-RING | |
| 8. | 213-9803 | [1] | PLUG-ORIFICE | |
| AVAILABLE REPAIR KIT(S): | ||||
| 293-8350 J | [1] | KIT-SEAL (FLOW COMPENSATOR) | ||
| (ALSO INCLUDES O-RINGS & BACKUP RINGS) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
#M00712100278
452-3625: VALVE GP-RELIEF
452-3625 VALVE GP-RELIEF -SWING MOTOR
PART OF 452-3614 MOTOR GP-PISTON
PART OF 452-3614 MOTOR GP-PISTON
Parts for your 305.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 095-1582 J | [1] | SEAL-O-RING | |
| 2. | 095-1585 J | [1] | SEAL-O-RING | |
| 3. | 095-1590 J | [1] | SEAL-O-RING | |
| 4. | 095-1595 J | [1] | SEAL-O-RING | |
| 5. | 095-1781 J | [2] | RING | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| AVAILABLE REPAIR KIT(S): | ||||
| J | [1] | KIT-SEAL | ||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
#M00712100279
169-1181: VALVE GP-SOLENOID
169-1181 VALVE GP-SOLENOID
S/N HRX1-UP
PART OF 282-9317 VALVE GP-SOLENOID
AN ATTACHMENT
S/N HRX1-UP
PART OF 282-9317 VALVE GP-SOLENOID
AN ATTACHMENT
Information:
HYDRAULIC SYSTEM
VALVE GP-CONTROL
Specifications
Main Control Valve
303.5E2 CR, 304.5E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
303.5E2 CR, 304.5E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Testing and Adjusting
Pressure Reducing Valve (Pilot Oil) - Test and Adjust
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Cylinder Drift - Check
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303.5E2 CR, 304E2 CR, 305E2 CR, and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Disassembly and Assembly
Main Control Valve - Remove and Install
303.5E2, 304E2, 305E2 and 305.5E2 Mini Excavator Machine Systems
303.5E2, 304E2, 305E2 and 305.5E2 Mini Excavator Machine Systems