TM 5-3805-280-10
Troubleshooting
HYDRAULIC SYSTEM
Symptom
Problem
Solution
Control Lever Moves Hard
Corroded joint, worn out pusher
Go to your authorized dealer.
Control Lever Does Nothing
Worn out pusher
Go to your authorized dealer.
Pilot valve
Go to your authorized dealer.
Control Lever Does Not Return
Pilot valve
Go to your authorized dealer.
To Neutral
Too Much Play In Control Lever
Worn out pivot joint
Go to your authorized dealer.
Control Lever Is Not Vertical In
Pilot valve
Go to your authorized dealer.
Neutral
No Hydraulic Functions
Lack of hydraulic oil
Add oil.
Pilot shut-off valve
Go to your authorized dealer.
Pilot pump
Go to your authorized dealer.
Pilot pressure regulating valve
Go to your authorized dealer.
System relief valve
Go to your authorized dealer.
Pressure switches
Go to your authorized dealer.
Clogged suction filter
Clean.
Damaged suction line or hose
Go to your authorized dealer.
Hydraulic pump
Go to your authorized dealer.
Some Functions Do Not Work
Pilot controller
Go to your authorized dealer.
Pilot shut-off valve not released
Go to your authorized dealer.
Pilot controller hoses pinched
Inspect and correct
Control valve
Go to your authorized dealer.
Circuit relief valves
Go to your authorized dealer.
Cylinders
Go to your authorized dealer.
Continued on next page
TX,100,DH3697 1918AUG951/5
22-14
