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281-2332 VALVE GP-CONTROL -BUCKET PART OF 312-1628 VALVE GP-MAIN CONTROL AN ATTACHMENT 303.5E MINI HYD EXCAVATOR


HYDRAULIC SYSTEM
VALVE GP-CONTROL

MINI HYD EXCAVATOR 303.5E MINI HYD EXCAVATOR SFH
 303.5E Mini Hydraulic Excavator SFH00001-UP (MACHINE) SEBP6443 303.5E SFH   (2012)

HYDRAULIC SYSTEM

VALVE GP-CONTROL
VALVE GP-CONTROL
281-2326 VALVE GP-CONTROL
VALVE GP-CONTROL
281-2331 VALVE GP-CONTROL
VALVE GP-CONTROL
281-2332 VALVE GP-CONTROL
VALVE GP-CONTROL
281-2334 VALVE GP-CONTROL
VALVE GP-CONTROL
281-2336 VALVE GP-CONTROL
VALVE GP-CONTROL
332-4123 VALVE GP-CONTROL
 

#SEBP64430200
 

281-2332: VALVE GP-CONTROL

281-2332 VALVE GP-CONTROL -BUCKET
PART OF 312-1628 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04023299 SEBP6443
2812332 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 281-2972 [2] SEAT  
2. 281-2973 [2] SPRING  
3. 281-2974 [2] SEAT  
4. 281-2975 [2] CAP  
5. 281-2976 [2] SEAL  
6. 281-2977 [4] BOLT  
7. 281-2978 [1] SPRING  
8. 281-2979 [1] PLUG  
9. 250-8771 [1] SEAL  
10. 281-2960 [1] SEAL  
11. 281-2985 [2] PLUNGER  
12. 281-2986 [2] SPRING  
13. 281-2961 [2] SEAL  
14. 279-4796 [1] PLATE  
 

#SEBP64430201
 

281-2334: VALVE GP-CONTROL

281-2334 VALVE GP-CONTROL -SWING
PART OF 312-1628 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04023301 SEBP6443
2812334 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 281-2972 [2] SEAT  
2. 281-2973 [2] SPRING  
3. 281-2974 [2] SEAT  
4. 281-2975 [2] CAP  
5. 281-2976 [2] SEAL  
6. 281-2977 [4] BOLT  
7. 281-2978 [1] SPRING  
8. 281-2979 [1] PLUG  
9. 250-8771 [1] SEAL  
10. 281-2960 [1] SEAL  
11. 281-2985 [2] PLUNGER  
12. 281-2986 [2] SPRING  
13. 281-2961 [2] SEAL  
14. 279-4796 [1] PLATE  
 

#SEBP64430202
 

281-2336: VALVE GP-CONTROL

281-2336 VALVE GP-CONTROL -OUTLET
PART OF 312-1628 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04015351 SEBP6443
2812336 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 279-4810 [1] PLUG AS  
2. 150-6355 [1] PLUG  
3. 279-4786 [1] VALVE GP-RELIEF (OUTLET)  
 

#SEBP64430203
 

332-4123: VALVE GP-CONTROL

332-4123 VALVE GP-CONTROL -BOOM SWING
PART OF 312-1628 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04024674 SEBP6443
3324123 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 281-2972 [2] SEAT  
2. 281-2973 [2] SPRING  
3. 281-2974 [2] SEAT  
4. 281-2975 [2] CAP  
5. 281-2976 [2] SEAL  
6. 281-2977 [4] BOLT  
7. 281-2978 [1] SPRING  
8. 281-2979 [1] PLUG  
9. 250-8771 [1] SEAL  
10. 281-2960 [1] SEAL  
11. 281-2985 [2] PLUNGER  
12. 281-2986 [2] SPRING  
13. 281-2961 [2] SEAL  
 

#SEBP64430204
 

357-5890: VALVE GP-CONTROL

357-5890 VALVE GP-CONTROL
PART OF 312-1628 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04149632 SEBP6443
3575890 VALVE GP-CONTROL Parts scheme 3575890 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 281-2972 [2] SEAT  
2. 281-2973 [2] SPRING  
3. 281-2974 [2] SEAT  
4. 281-2975 [1] CAP  
5. 281-2976 [2] SEAL  
6. 281-2977 [2] BOLT  
7. 281-2978 [1] SPRING  
8. 281-2979 [1] PLUG  
9. 250-8771 [1] SEAL  
10. 281-2960 [1] SEAL  
11. 281-2985 [2] PLUNGER  
12. 281-2986 [2] SPRING  
13. 281-2961 [2] SEAL  
14. 279-4796 [1] PLATE  
15. 150-6367 [1] SEAL-O-RING  
16. 281-2990 [1] PLUNGER  
17. 281-2991 [1] SPRING  
18. 281-2992 [1] SPACER  
19. 281-2993 [1] RING  
20. 281-2994 [1] VALVE AS  
21. 150-6355 [1] PLUG  
22. 281-2995 [5] BOLT  
 

#SEBP64430205
 

364-5228: VALVE GP-CONTROL

364-5228 VALVE GP-CONTROL -STICK
PART OF 312-1628 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04149635 SEBP6443
3645228 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 281-2972 [2] SEAT  
2. 281-2973 [2] SPRING  
3. 281-2974 [2] SEAT  
4. 281-2975 [2] CAP  
5. 281-2976 [2] SEAL  
6. 281-2977 [4] BOLT  
7. 281-2978 [1] SPRING  
8. 281-2979 [1] PLUG  
9. 250-8771 [1] SEAL  
10. 281-2960 [1] SEAL  
11. 281-2961 [2] SEAL  
12. 279-4796 [1] PLATE  
13. 281-2980 [1] ORIFICE  
 

#SEBP64430206
 

364-5229: VALVE GP-CONTROL

364-5229 VALVE GP-CONTROL -TRAVEL RIGHT
PART OF 312-1628 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04149636 SEBP6443
3645229 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 281-2972 [2] SEAT  
2. 281-2973 [2] SPRING  
3. 281-2974 [2] SEAT  
4. 281-2975 [2] CAP  
5. 281-2976 [2] SEAL  
6. 281-2977 [4] BOLT  
7. 281-2978 [1] SPRING  
8. 281-2979 [1] PLUG  
9. 250-8771 [1] SEAL  
10. 281-2960 [1] SEAL  
11. 281-2961 [2] SEAL  
12. 279-4796 [1] PLATE  
13. 281-2980 [1] ORIFICE  
 

#SEBP64430207
 

364-5230: VALVE GP-CONTROL

364-5230 VALVE GP-CONTROL -BLADE
PART OF 312-1628 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i05053469 SEBP6443
3645230 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 281-2972 [2] SEAT  
2. 281-2983 [1] SPRING  
3. 281-2974 [2] SEAT  
4. 281-2975 [2] CAP  
5. 281-2976 [2] SEAL  
6. 281-2984 [4] BOLT  
7. 281-2978 [1] SPRING  
8. 281-2979 [1] PLUG  
9. 250-8771 [1] SEAL  
10. 281-2960 [1] SEAL  
11. 281-2985 [2] PLUNGER  
12. 281-2986 [2] SPRING  
13. 281-2961 [2] SEAL  
14. 279-4796 [1] PLATE  
15. 281-2987 [2] SPACER  
16. 150-6346 [2] SEAL  
17. 288-9388 [1] SPRING  
18. 360-0047 [1] SPOOL (COMPENSATOR)  
 

#SEBP64430208
 

365-1499: VALVE GP-CONTROL

365-1499 VALVE GP-CONTROL -STICK
PART OF 312-1628 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i05029654 SEBP6443
3651499 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 281-2972 [2] SEAT  
2. 281-2973 [2] SPRING  
3. 281-2974 [2] SEAT  
4. 281-2975 [2] CAP  
5. 281-2976 [2] SEAL  
6. 281-2977 [4] BOLT  
7. 281-2978 [1] SPRING  
8. 281-2979 [1] PLUG  
9. 250-8771 [1] SEAL  
10. 281-2960 [1] SEAL  
11. 281-2985 [2] PLUNGER  
12. 281-2986 [2] SPRING  
13. 281-2961 [2] SEAL  
14. 279-4796 [1] PLATE  
15. 365-1500 [1] SPOOL  
 

#SEBP64430209
 

312-1628: VALVE GP-MAIN CONTROL

312-1628 VALVE GP-MAIN CONTROL
PART OF 393-3995 VALVE & MTG GP-BANK
AN ATTACHMENT
i05001210 SEBP6443
3121628 VALVE GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 200-4856 M [8] NUT (M8X1.25-THD)  
2. 281-2325 [4] ROD  
3. 281-2326 Y [1] VALVE GP-CONTROL (INLET)  
4. 364-5228 Y [1] VALVE GP-CONTROL (TRAVEL LEFT)  
5. 364-5229 Y [1] VALVE GP-CONTROL (TRAVEL RIGHT)  
6. 364-5230 Y [1] VALVE GP-CONTROL (BLADE)  
7. 357-5890 Y [1] VALVE GP-CONTROL (BOOM)  
8. 281-2331 Y [1] VALVE GP-CONTROL (AUXILIARY)  
9. 281-2332 Y [1] VALVE GP-CONTROL (BUCKET)  
10. 365-1499 Y [1] VALVE GP-CONTROL (STICK)  
11. 281-2334 Y [1] VALVE GP-CONTROL (SWING)  
12. 332-4123 Y [1] VALVE GP-CONTROL (BOOM SWING)  
13. 281-2336 Y [1] VALVE GP-CONTROL (OUTLET)  
14. 272-7832 [6] VALVE AS-RELIEF (LINE)  
    (EACH INCLUDES)
  2M-9780 [1] SEAL-O-RING  
15. 222-2631 [1] VALVE AS-CHECK (BUCKET)  
16. 185-0555 [5] VALVE AS-MANUAL (SHUTOFF)  
17. 104-8081 [1] PLUG AS  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Specifications
Pilot Valve (Joystick)
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Machine System Specifications
Main Control Valve
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Machine System Specifications
Tool Operating Manual
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Systems Operation
Main Control Valve
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Hydraulic System
Main Control Valve - Flow Compensator Valve
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Hydraulic System
Testing and Adjusting
Cylinder Drift - Check
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators Hydraulic System
Disassembly and Assembly
Main Control Valve - Remove
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Main Control Valve - Install
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Main Control Valve - Disassemble
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Main Control Valve - Assemble
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems

Caterpillar Parts SIS Catalog 303.5E :

VALVE GP-CONTROL
281-2331 VALVE GP-CONTROL
VALVE GP-CONTROL
281-2326 VALVE GP-CONTROL
VALVE GP-CONTROL
274-9034 VALVE GP-CONTROL
391-8629 VALVE AR-ALT PATTERN CONTROL
VALVE & MTG GP-PILOT
421-2718 VALVE & MTG GP-PILOT
VALVE & MTG GP-PILOT
356-4545 VALVE & MTG GP-PILOT
VALVE & MTG GP-PILOT
356-4545 VALVE & MTG GP-PILOT
VALVE & MTG GP-BANK
393-3995 VALVE & MTG GP-BANK
VALVE GP-CONTROL
281-2334 VALVE GP-CONTROL
VALVE GP-CONTROL
281-2336 VALVE GP-CONTROL
VALVE GP-CONTROL
332-4123 VALVE GP-CONTROL
VALVE GP-CONTROL
357-5890 VALVE GP-CONTROL
VALVE GP-CONTROL
364-5228 VALVE GP-CONTROL
VALVE GP-CONTROL
364-5229 VALVE GP-CONTROL
VALVE GP-CONTROL
364-5230 VALVE GP-CONTROL
VALVE GP-CONTROL
365-1499 VALVE GP-CONTROL
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