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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).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting
Flowmeter test.
on Page 2-643
tasks completed.
Boom lift operates.
REASON FOR QUESTION
Are at least 10 gpm
POSSIBLE PROBLEMS
If HOIST valve or orifice on four
(38 lpm) measured from
valve bank is faulty, pressure
Four valve bank faulty.
and flow will be restricted.
HOIST valve with valve
Hoist motor faulty.
isolated from hoist motor?
Hoist assembly faulty.
Go to Step 4 of this
NO
Fault.
YES
2-642
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