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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).
6.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting tasks
Visual inspection.
on Page 2-261
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 on
direction of loading.
valve in port VB on LH hook
LH hook arm manifold in port
VB is faulty, fluid will not exit
arm manifold operate
cylinder to reservoir and cylinder
POSSIBLE PROBLEMS
correctly?
rod will not move into cylinder.
Safe lowering solenoid valve
faulty.
Replace safe lowering
solenoid valve or coil
(Para 17-13).
NO
Verify repair, go to
Step 7 of this Fault.
YES
Fault not corrected.
Notify supervisor.
2-260
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