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 TM 9-2320-364-34-1
17. BOOM CREEPS DOWN (CONT).
4.
TEST OPTIONS
KNOWN INFO
Verify repair.
Unit Troubleshooting
Does boom creep down?
tasks completed.
Hoist operates.
REASON FOR QUESTION
Holding valves in both
lift cylinder assemblies are OK.
If boom does not creep down,
Piston seals in both lift cylinder
fault has been corrected.
assemblies are OK.
POSSIBLE PROBLEMS
Fault corrected.
NO
YES
Fault not corrected.
Notify supervisor.
2-638
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