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Page Title: HOIST DOES NOT OPERATE OR OPERATES SLOWLY. (Cont)
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TM 9-2320-364-34-1
18. HOIST DOES NOT OPERATE OR OPERATES SLOWLY (CONT).
3.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting
Operation test.
tasks completed.
Boom operates.
REASON FOR QUESTION
Four valve bank OK.
Does hoist motor operate
If mechanical component (not
hoist brake) inside hoist drum is
when disconnected from
POSSIBLE PROBLEMS
faulty, hoist motor will operate
hoist assembly?
when hoist motor shaft is
Hoist motor faulty.
disengaged from hoist assembly.
Hoist assembly faulty.
Replace hoist motor
(Para 16-12).
NO
Verify repair, go to
Step 5 of this Fault.
YES
Notify supervisor.
2-644

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