Table of Contents
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Problem
No lifting force
Contaminated oil
Wrong type of oil
Scanty flow
Internal leaking
Excessive load
Wrong relief pressure setting
No control on
Low air pressure
loading cylinders
Faulty control valve
No control on
Broken control cable
unloading cylinders
Faulty control valve
CYLINDER-RELATED PROBLEMS
Cause
Change filter and oil (see Changing
Hydraulic Oil on page 78 and Replacing
Filter Elements on page 81)
Change filter and oil (see Changing
Hydraulic Oil on page 78 and Replacing
Filter Elements on page 81)
See "Pump-Related Problems" Table
above
See Hydraulic System Maintenance on
page 73
Ensure that the bucket or body is not
overloaded; Also, see Hydraulic System
Maintenance on page 73
Check for proper adjustment of the relief
valve
Check air system - See Air System
Maintenance on page 91
Repair, adjust or replace
Repair, adjust or replace
Repair, adjust or replace
Troubleshooting 121
Remedy
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