Pilot Valve (Auxiliary) - Remove
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303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
[UENR0102]
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Blade) - Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Auxiliary) - Install
HYDRAULIC SYSTEM
VALVE GP-PILOT
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Boom Swing) - Remove
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Boom Swing) - Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Blade) - Remove
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Blade) - Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Auxiliary) - Remove
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Auxiliary) - Install
1.1. Removal Procedure
Removal Procedure
Start By:
- Release the system pressure. Refer to, "System Pressure - Release".
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes in order to prevent fluid loss and to keep contaminants from entering the system.
- Remove bolts (1) .
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| Illustration 1 | g02148231 |
- Remove bolt (2). Remove guard (3) .
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| Illustration 2 | g02157696 |
- Disconnect harness assemblies (4) and (5). Disconnect hose assemblies (6) and (7) .
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| Illustration 3 | g02157750 |
- Disconnect hose assemblies (8) and (9) .
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| Illustration 4 | g02157751 |
- Lift the floor mat. Remove bolts (10) and pilot valve (11) .
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| Illustration 5 | g02157752 |
- Remove bolts (12) and bracket (13) .
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| Illustration 6 | g01227473 |
Information System:
450E Backhoe Loader Machine Electronic Control System
Connector Locations
450E Backhoe Loader Machine Electronic Control System
Transmission - Autoshift
450E Backhoe Loader Machine Electronic Control System
Event Code List
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Blade) - Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Blade) - Remove
440, 450 Backhoe Loader
Axle and Differential
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Boom Swing) - Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Boom Swing) - Remove
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Selector Valve (Alternate Pattern Control) - Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Selector Valve (Alternate Pattern Control) - Remove
349E Excavator
Battery Disconnect Switch
450E Backhoe Loader Machine Electronic Control System
Power Supply Circuit of Electronic Control Module
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Pilot Valve (Auxiliary) - Install
320E Excavator
Operator Controls
320E and 323E Excavators
Battery Disconnect Switch
320E Excavator
Monitoring System
450E Backhoe Loader Machine Electronic Control System
Operational Checks (Axle, Differential)
450E Backhoe Loader Machine Electronic Control System
Hydraulic System
450E Backhoe Loader Machine Electronic Control System
General Information
450E Backhoe Loader Machine Electronic Control System
Electrical Input Components
450E Backhoe Loader Machine Electronic Control System
Features
450E Backhoe Loader Machine Electronic Control System
Connector Contact Description
450E Backhoe Loader Machine Electronic Control System
Symptom Troubleshooting
450E Backhoe Loader Machine Electronic Control System
Operational Checks (Brake System)