HYDRAULIC SYSTEM
VALVE GP-CONTROLVALVE GP-PILOT
PUMP GP
VALVE GP-RELIEF
VALVE GP-SOLENOID
IMPLEMENTS
BOOM GPHYDRAULIC SYSTEM
VALVE GP-CONTROL#SEBP76160220
467-3055: VALVE GP-MAIN CONTROL
467-3055 VALVE GP-MAIN CONTROL
PART OF 467-5545 VALVE & MTG GP-BANK
AN ATTACHMENT
PART OF 467-5545 VALVE & MTG GP-BANK
AN ATTACHMENT
Parts for your 303.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 104-8081 | [1] | PLUG AS | |
| 2. | 185-0555 | [5] | VALVE AS-MANUAL (SHUTOFF) | |
| 3. | 200-4856 M | [8] | NUT (M8X1.25-THD) | |
| 4. | 222-2631 | [1] | VALVE AS-CHECK (BOOM SWING) | |
| 5. | 272-7832 | [6] | VALVE AS-RELIEF (LINE) | |
| (EACH INCLUDES) | ||||
| 2M-9780 | [1] | SEAL-O-RING | ||
| 6. | 281-2325 | [4] | ROD | |
| 7. | 281-2326 Y | [1] | VALVE GP-CONTROL (INLET) | |
| 8. | 281-2331 Y | [1] | VALVE GP-CONTROL (AUXILIARY) | |
| 9. | 281-2332 Y | [1] | VALVE GP-CONTROL (BUCKET) | |
| 10. | 292-0188 Y | [1] | VALVE GP-CONTROL (BOOM SWING) | |
| 11. | 364-5230 Y | [1] | VALVE GP-CONTROL (BLADE) | |
| 12. | 365-1499 Y | [1] | VALVE GP-CONTROL (STICK) | |
| 13. | 470-9646 Y | [1] | VALVE GP-CONTROL (TRAVEL, LH) | |
| 14. | 470-9647 Y | [1] | VALVE GP-CONTROL (TRAVEL, RH) | |
| 15. | 470-9648 Y | [1] | VALVE GP-CONTROL (BOOM) | |
| 16. | 470-9649 Y | [1] | VALVE GP-CONTROL (SWING) | |
| 17. | 470-9650 | [1] | VALVE GP-CONTROL (OUTLET) | |
| 279-4810 | [1] | PLUG AS | ||
| 480-0635 | [1] | VALVE GP-SHUTOFF (OUTLET) | ||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP76160221
268-3579: VALVE GP-PILOT
Parts for your 303.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9S-8004 | [8] | PLUG (9/16-18-THD) | |
| 2. | 217-9451 | [1] | PIN | |
| 3. | 217-9453 | [1] | SPRING | |
| 4. | 217-9452 | [1] | KNOB | |
| 5. | 272-5716 | [1] | CASE | |
| 6. | 272-5717 | [1] | SHAFT | |
| 7. | 272-5718 | [1] | COVER | |
| 8. | 276-3359 | [1] | PIPE | |
| 9. | 276-3360 | [1] | LEVER | |
| 10. | 272-5724 | [1] | STOP | |
| 11. | 272-5719 | [1] | COVER | |
| 12. | 272-5720 | [1] | SPRING | |
| 13. | 158-8284 | [4] | PLUG | |
| 14. | 8T-4136 M | [1] | BOLT (M10X1.5X25-MM) | |
| 15. | 6V-5683 M | [8] | BOLT (M6X1X16-MM) | |
| 16. | 8T-0269 M | [6] | BOLT-SOCKET HEAD (M6X1X20-MM) | |
| 17. | 8T-8442 M | [2] | BOLT-SOCKET HEAD (M6X1X30-MM) | |
| 18. | 276-3361 | [1] | WASHER | |
| 19. | 276-3362 | [1] | PIN | |
| 20. | 166-3081 | [1] | BALL | |
| 21. | 272-5721 | [1] | SEAL | |
| 22. | 6V-5656 | [1] | SEAL-O-RING | |
| 23. | 095-1575 | [4] | SEAL-O-RING | |
| 24. | 095-1705 | [2] | SEAL-O-RING | |
| 25. | 3J-1907 | [8] | SEAL-O-RING | |
| 26. | 095-0965 | [8] | PLUG | |
| M | METRIC PART | |||
#SEBP76160222
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 303.5E2 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 |
#SEBP76160223
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 303.5E2 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 | |||
#SEBP76160224
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 303.5E2 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 |
#SEBP76160225
455-7950: VALVE GP-PUMP CONTROL
455-7950 VALVE GP-PUMP CONTROL -FLOW COMPENSATOR
PART OF 461-0539 PUMP GP-PISTON
PART OF 461-0539 PUMP GP-PISTON
Parts for your 303.5E2 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 | ||
| (INCLUDES 0-RINGS & BACK-UP RINGS) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
#SEBP76160226
281-3053: VALVE GP-RELIEF
281-3053 VALVE GP-RELIEF
PART OF 281-3052 MOTOR GP-SWING
PART OF 281-3052 MOTOR GP-SWING
#SEBP76160227
438-8359: VALVE GP-SOLENOID
438-8359 VALVE GP-SOLENOID -FLOW CONTROL
PART OF 465-3592 VALVE & MOUNTING GP
AN ATTACHMENT
PART OF 465-3592 VALVE & MOUNTING GP
AN ATTACHMENT
Parts for your 303.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 274-4201 | [1] | SOLENOID AS (SPEED SELECT) | |
| 8T-8729 | [2] | PIN-CONNECTOR (16-GA TO 18-GA) | ||
| 243-4505 | [1] | RECEPTACLE AS-CONNECTOR (2-PIN) | ||
| 2. | 153-3568 M | [2] | BOLT-SOCKET HEAD (M5X0.8X10-MM) | |
| 3. | 095-1519 | [1] | SEAL-O-RING | |
| 4. | 095-1575 | [1] | SEAL-O-RING | |
| 5. | 095-1587 | [1] | SEAL-O-RING | |
| 6. | 095-1592 | [1] | SEAL-O-RING | |
| M | METRIC PART | |||
#SEBP76160228
471-2653: BOOM AR
471-2653 BOOM AR
PART OF 460-7499 COMMON AR
PART OF 460-7499 COMMON AR
Parts for your 303.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 381-5006 Y | [1] | BOOM GP | ||
| 502-3493 Y | [1] | CYLINDER & LINES GP-BOOM | ||
| 376-0171 Y | [1] | CYLINDER GP-SWING BOOM | ||
| 266-4069 Y | [1] | FRAME GP-SWING (BOOM) | ||
| 469-1104 Y | [1] | GUARD GP-CYLINDER (BOOM) | ||
| 266-6847 Y | [1] | LIGHTING GP-FLOOD (BOOM) | ||
| 380-6303 Y | [1] | WIRING GP-LIGHTING (BOOM) | ||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP76160229
381-5006: BOOM GP
381-5006 BOOM GP
PART OF 471-2653 BOOM AR
PART OF 471-2653 BOOM AR
Parts for your 303.5E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 093-1430 | [2] | SEAL-LIP TYPE | |
| 2. | 175-1794 B | [2] | SHIM (0.5-MM THK) | |
| 3. | 175-1795 B | [4] | SHIM (1-MM THK) | |
| 4. | 176-8464 B | [1] | SHIM (0.5-MM THK) | |
| 5. | 176-8465 B | [1] | SHIM (1-MM THK) | |
| 6. | 266-3872 | [1] | BOSS (M20X1.5-THD) | |
| 7. | 266-4104 | [1] | PIN AS | |
| 8. | 266-4106 | [1] | PIN AS | |
| 9. | 422-1381 | [1] | PLATE AS | |
| 10. | 422-1378 | [1] | PLATE AS | |
| 11. | 281-1106 | [1] | PIN | |
| 12. | 473-3552 | [1] | BOOM & BEARING AS | |
| 12A. | 265-8720 | [2] | BUSHING | |
| 7T-1099 | [1] | LINK | ||
| 9R-2672 M | [1] | BOSS-THREADED (M10X1.5X120-MM) | ||
| 13. | 3B-8489 | [1] | FITTING-GREASE (1/8-27 PTF) | |
| 14. | 8T-4222 | [2] | WASHER-PLATED (11X32X2.5-MM THK) | |
| 15. | 8T-4137 M | [1] | BOLT (M10X1.5X20-MM) | |
| 16. | 127-2170 M | [4] | SCREW-TRUSS HEAD (M8X1.25X20-MM) | |
| 17. | 8T-4196 M | [1] | BOLT (M10X1.5X35-MM) | |
| 18. | 8T-4224 | [4] | WASHER-HARD (8.8X16X2-MM THK) | |
| B | USE AS REQUIRED | |||
| M | METRIC PART | |||
Information:
HYDRAULIC SYSTEM
VALVE GP-CONTROL
Specifications
Main Control Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Pilot Valve (Joystick)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Main Control Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Testing and Adjusting
Cylinder Drift - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Pressure Reducing Valve (Pilot Oil) - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System