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479-0636 VALVE GP-MAIN CONTROL S/N JWY2247-UP PART OF 463-8030 BLADE AR-STRAIGHT AN ATTACHMENT 303.5E2


HYDRAULIC SYSTEM
VALVE GP-CONTROL
VALVE GP-PILOT
PUMP GP
MOTOR GP
VALVE GP-SOLENOID
ELECTRICAL AND STARTING SYSTEM
VALVE GP

MINI HYD EXCAVATOR 303.5E2 MINI HYD EXCAVATOR JWY
 303.5E2 Mini Hydraulic Excavator JWY00001-UP (MACHINE) POWERED BY C1.7 Engine SEBP7633 303.5E2 JWY   (2015)

HYDRAULIC SYSTEM

VALVE GP-CONTROL
VALVE GP-MAIN CONTROL
456-1830 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
456-1831 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
479-0636 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
479-0637 VALVE GP-MAIN CONTROL
 

#SEBP76330340
 

479-0636: VALVE GP-MAIN CONTROL

479-0636 VALVE GP-MAIN CONTROL
S/N JWY2247-UP
PART OF 463-8030 BLADE AR-STRAIGHT
AN ATTACHMENT
i06950263 SEBP7633
4790636 VALVE GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 449-1622 [1] KIT-FASTENER  
    (INCLUDES TIE RODS, WASHERS & NUTS)
2. 449-1598 [1] MANIFOLD GP-CONTROL (INLET)  
3. 449-1599 Y [1] VALVE GP-CONTROL (SWING)  
4. 499-9315 Y [1] VALVE GP-CONTROL (BOOM)  
5. 449-1601 Y [2] VALVE GP-CONTROL (TRAVEL)(RH)  
5A. 449-1601 Y [2] VALVE GP-CONTROL (TRAVEL)(LH)  
6. 449-1602 Y [1] VALVE GP-CONTROL (PRIORITY)  
7. 479-0642 Y [1] VALVE GP-CONTROL (DOZER)  
8. 449-1604 Y [1] VALVE GP-CONTROL (STICK)(ARM)  
9. 449-1605 Y [1] VALVE GP-CONTROL (BUCKET)  
10. 479-0605 Y [1] VALVE GP-CONTROL (AUXILIARY)  
11. 449-1607 Y [1] VALVE GP-CONTROL (BOOM SWING)  
12. 449-1609 Y [1] MANIFOLD GP-CONTROL (OUTLET)  
13. 456-1828 P [1] VALVE GP-PRESSURE REDUCING  
14. 503-6530 J [2] VALVE GP-SOLENOID (TRAVEL SPEED)  
14A. 503-6530 J [2] VALVE GP-SOLENOID (PILOT SUPPLY)  
    (EACH VALVE GP-SOLENOID INCLUDES)
  473-7030 [1] COIL AS (12 VDC)  
   
    AVAILABLE REPAIR KIT(S):
  454-7880 P [1] KIT-SEAL  
    (INCLUDES O-RING SEALS & BACKUP RINGS)
  272-6538 J [1] KIT-SEAL  
    (INCLUDES O-RING SEALS & RING-BACKUPS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  P   KIT MARKED P SERVICES PART(S) MARKED P
  Y   SEPARATE ILLUSTRATION
 

#SEBP76330341
 

479-0637: VALVE GP-MAIN CONTROL

479-0637 VALVE GP-MAIN CONTROL
S/N JWY2247-UP
PART OF 463-8037 BLADE AR-ANGLING
AN ATTACHMENT
i07249876 SEBP7633
4790637 VALVE GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 449-1623 [1] KIT-FASTENER  
    (INCLUDES TIE ROD, WASHER & NUT)
2. 449-1598 [1] MANIFOLD GP-CONTROL (INLET)  
3. 449-1599 Y [1] VALVE GP-CONTROL (SWING)  
4. 499-9315 Y [1] VALVE GP-CONTROL (BOOM)  
5. 449-1601 Y [1] VALVE GP-CONTROL (TRAVEL)(TRACK, LH)  
5A. 449-1601 Y [1] VALVE GP-CONTROL (TRAVEL)(TRACK, RH)  
6. 449-1602 Y [1] VALVE GP-CONTROL (PRIORITY)  
7. 449-1603 Y [1] VALVE GP-CONTROL (BLADE)  
8. 449-1604 Y [1] VALVE GP-CONTROL (STICK)  
9. 449-1605 Y [1] VALVE GP-CONTROL (BUCKET)  
10. 479-0605 Y [1] VALVE GP-CONTROL (AUXILIARY)  
11. 449-1607 Y [1] VALVE GP-CONTROL (BOOM SWING)  
12. 449-1608 Y [1] VALVE GP-CONTROL (BOOM SWING)(BLADE ANGLE)  
13. 449-1609 Y [1] MANIFOLD GP-CONTROL (OUTLET)  
14. 456-1828 [1] VALVE GP-PRESSURE REDUCING  
  454-7880 [1] KIT-SEAL  
    (INCLUDES 0-RING SEALS & BACKUP RINGS)
15. 503-6530 [1] VALVE GP-SOLENOID (PILOT SHUTOFF)  
15A. 503-6530 [1] VALVE GP-SOLENOID (2-SPEED TRAVEL)  
    (EACH INCLUDES)
  114-2772 [1] NUT (1/2-20-THD)  
  272-6538 [1] KIT-SEAL  
    (INCLUDES 0-RING SEALS & BACKUP RINGS)
  473-7030 [1] COIL AS (12 VDC)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP76330342
 

394-9996: VALVE GP-PILOT

394-9996 VALVE GP-PILOT -JOYSTICK CONTROL
S/N JWY1-1171
PART OF 415-8913 CONTROL GP-JOYSTICK
AN ATTACHMENT
i05425011 SEBP7633
3949996 VALVE GP-PILOT Parts scheme
  For full view, you need register

Parts for your 303.5E2 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  
 

#SEBP76330343
 

417-1100: VALVE GP-PILOT

417-1100 VALVE GP-PILOT -WITH SHUTTLE
PART OF 397-7148, 399-6787 LINES GP-PILOT
AN ATTACHMENT
i05421012 SEBP7633
4171100 VALVE GP-PILOT Parts scheme
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Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7I-8084 [5] PLUG  
2. 087-4707 [4] SPRING  
3. 087-5708 [2] PEDAL  
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. 165-9552 [4] PUSHROD  
14. 165-9554 [4] PLUG  
15. 185-0522 [4] SEAT  
16. 295-8123 [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
 

#SEBP76330344
 

438-8361: VALVE GP-PILOT

438-8361 VALVE GP-PILOT -BLADE CONTROL
PART OF 415-5010 VALVE & MTG GP-CONTROL
AN ATTACHMENT
i05759611 SEBP7633
4388361 VALVE GP-PILOT Parts scheme
  For full view, you need register

Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7I-2753 [1] SEAT  
2. 102-0818 [1] PLUG  
3. 198-8178 [1] BALL  
4. 3J-1907 [1] SEAL-O-RING  
 

#SEBP76330345
 

467-3071: VALVE GP-PILOT

467-3071 VALVE GP-PILOT
PART OF 415-8913, 415-8914, 416-4242 CONTROL GP-JOYSTICK
AN ATTACHMENT
i06693974 SEBP7633
4673071 VALVE GP-PILOT Parts scheme
  For full view, you need register

Parts for your 303.5E2 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  
 

#SEBP76330346
 

455-7950: VALVE GP-PUMP CONTROL

455-7950 VALVE GP-PUMP CONTROL -FLOW COMPENSATOR
PART OF 442-5649 PUMP GP-PISTON
ALSO AN ATTACHMENT
i05836547 SEBP7633
4557950 VALVE GP-PUMP CONTROL Parts scheme
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Parts for your 303.5E2 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
 

#SEBP76330347
 

281-3053: VALVE GP-RELIEF

281-3053 VALVE GP-RELIEF
PART OF 281-3052 MOTOR GP-SWING
ALSO AN ATTACHMENT
i05836675 SEBP7633
2813053 VALVE GP-RELIEF Parts scheme
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Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1582 [1] SEAL-O-RING  
2. 095-1585 [1] SEAL-O-RING  
3. 095-1590 [1] SEAL-O-RING  
4. 095-1595 [1] SEAL-O-RING  
5. 095-1781 [2] RING  
 

#SEBP76330348
 

456-1796: VALVE GP-SOLENOID

456-1796 VALVE GP-SOLENOID -12 VDC
FIELD INSTALLATION
i07271075 SEBP7633
4561796 VALVE GP-SOLENOID Parts scheme
  For full view, you need register

Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 422-8922 [1] NUT-SPECIAL  
2. 3E-6786 [1] SEAL-O-RING  
3. 433-9288 [1] COIL (12-VOLT)  
4. 446-1389 [1] KIT-SEAL  
    (INCLUDES O-RING SEALS & BACKUP RING)
 

#SEBP76330349
 

358-2091: VALVE GP-SOLENOID & MANIFOLD

358-2091 VALVE GP-SOLENOID & MANIFOLD -QUICK COUPLER
S/N JWY1-4211
PART OF 425-8094 LINES GP-FRONT
AN ATTACHMENT
i05221625 SEBP7633
3582091 VALVE GP-SOLENOID & MANIFOLD Parts scheme
  For full view, you need register

Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 384-1039 [1] VALVE GP-CHECK  
2. 368-1278 [2] VALVE GP-SOLENOID (12-VOLT)(QUICK COUPLER)  
3. 368-1279 [1] VALVE GP-PRESSURE REDUCING  
4. 244-1540 [1] PLUG-ORIFICE  
5. 4J-7533 [5] SEAL-O-RING  
6. 9S-4180 [5] PLUG  
 

Information:

Special Instruction
Inspection and Rework Procedure for the Main Control Valve Spring Seats on Certain 303.5E2 - 305.5E2 Mini-Hydraulic Excavators {5051}
Inspection and Rework Procedure for the Main Control Valve Spring Seats on Certain 303.5E2 - 305.5E2 Mini-Hydraulic Excavators {5051}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
Service Letter-Australia
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
Service Letter-CFEL
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
Service Letter-CSARL
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
Service Letter-Americas
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
Technical Information Bulletin
Incorrect Information for Adjusting the Boom Relief Valve Group for Certain Mini Hydraulic Excavators {5051}
Incorrect Information for Adjusting the Boom Relief Valve Group for Certain Mini Hydraulic Excavators {5051}
Specifications
Control Valve - Swing Valve
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Pump Control Valve
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Hydraulic Hand Control
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Main Control Valve
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Pilot Valve (Joystick)
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
Service Letter-Asia
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
Systems Operation
Pilot Valve (Joystick)
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System
Main Control Valve
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR IMPROVING THE BOOM PERFORMANCE AND CRANING CAPABILITIES ON CERTAIN 303.5E2, 304E2, 305E2, AND 305.5E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE MAIN CONTROL VALVE SPRING SEATS ON CERTAIN 303.5E2, 304E2, 305.5E2, AND 305E2 MINI HYDRAULIC EXCAVATORS
Testing and Adjusting
Cylinder Drift - Check
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System
Disassembly and Assembly
Main Control Valve - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Main Control Valve - Disassemble
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Main Control Valve - Assemble
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Main Control Valve - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Service Magazine
An Improved Pressure Reducing Valve (PRV) is Now Used on Certain 303.5E2 to 308E/E2 Mini-Hydraulic Excavators {5051}
An Improved Pressure Reducing Valve (PRV) is Now Used on Certain 303.5E2 to 308E/E2 Mini-Hydraulic Excavators {5051}
New Relief Valve Groups for the Main Control Valve Group Are Now Used on Certain Mini Hydraulic Excavators {5051}
New Relief Valve Groups for the Main Control Valve Group Are Now Used on Certain Mini Hydraulic Excavators {5051}
New Boom Relief Valve Group for the Main Control Valve Group Is Now Used on Certain Mini Hydraulic Excavators {5051}
New Boom Relief Valve Group for the Main Control Valve Group Is Now Used on Certain Mini Hydraulic Excavators {5051}
A New Valve Spring Seat in the Control Valve Group Is Now Used on Certain 303.5 to 305.5 Mini Hydraulic Excavators {5051}
A New Valve Spring Seat in the Control Valve Group Is Now Used on Certain 303.5 to 305.5 Mini Hydraulic Excavators {5051}
A New Fixed Boom Relief Valve Is Now Used On Certain Mini Hydraulic Excavators {5051}
A New Fixed Boom Relief Valve Is Now Used On Certain Mini Hydraulic Excavators {5051}
A New Implement Support Assembly is Now Used on Certain Mini Hydraulic Excavators {5051}
A New Implement Support Assembly is Now Used on Certain Mini Hydraulic Excavators {5051}

Caterpillar Parts SIS Catalog 303.5E2 :

VALVE GP-MAIN CONTROL
456-1831 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
456-1830 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
456-1830 VALVE GP-MAIN CONTROL
VALVE GP-FLOW CONTROL
372-9898 VALVE GP-FLOW CONTROL
VALVE GP-CONTROL
499-9315 VALVE GP-CONTROL
VALVE GP-CONTROL
479-0642 VALVE GP-CONTROL
VALVE GP-CONTROL
479-0605 VALVE GP-CONTROL
VALVE GP-CONTROL
449-1619 VALVE GP-CONTROL
VALVE GP-MAIN CONTROL
479-0637 VALVE GP-MAIN CONTROL
VALVE GP-PILOT
394-9996 VALVE GP-PILOT
VALVE GP-PILOT
417-1100 VALVE GP-PILOT
VALVE GP-PILOT
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455-7950 VALVE GP-PUMP CONTROL
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281-3053 VALVE GP-RELIEF
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456-1796 VALVE GP-SOLENOID
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