Control Valve Teardown and Reseal
Disassemble and reseal the main control valve to fix internal leaks and restore function.
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General guide below applies to all models.
Control Valve Rebuild
The main control valve directs hydraulic flow to all functions. Internal leaks cause cross-port leakage and weak functions. Complete teardown allows inspection and seal replacement.
Tools Required:
Safety Notes
- • Work in clean environment
- • Keep all parts organized
General Steps:
Lower all attachments and relieve pressure.
Label and photograph all hose connections.
Disconnect all hydraulic lines, cap immediately.
Remove valve from machine.
Disassemble valve sections carefully.
Inspect spools for scoring or wear.
Replace all O-rings and seals.
Reassemble in correct order.
Reinstall valve and reconnect lines.
Bleed air and test all functions.
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