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Page Title:
LOSS OF HOOK ARM SAFE LOWERING. (Cont) |
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 TM 9-2320-364-34-1
1. LOSS OF HOOK ARM SAFE LOWERING (CONT).
3.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting tasks
Visual inspection.
on Page 2-255
completed.
Hook arm operates using
REASON FOR QUESTION
normal controls.
Does safe lowering solenoid
Hook arm will safe lower in
If safe lowering solenoid valve
direction of unloading.
valve in port VA on LH hook
on LH hook arm manifold in port
VA is faulty, fluid will not exit
arm manifold operate
POSSIBLE PROBLEMS
cylinder to reservoir and cylinder
correctly?
rod will not move into cylinder.
Safe lowering solenoid valve
faulty.
Replace safe lowering
solenoid valve or coil
NO
(Para 17-13).
Verify repair, go to
Step 4 of this Fault.
YES
Fault not corrected.
Notify supervisor.
2-254
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