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 TM 9-2320-364-34-1
17. BOOM CREEPS DOWN (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Are
Read WARNING
Flowmeter test.
Unit Troubleshooting
on Page 2-633
0 gpm
tasks completed.
(0 lpm)
REASON FOR QUESTION
Hoist operates.
measured
Holding valves in both lift
cylinder assemblies are OK.
If cylinder piston seals are faulty,
between BOOM valve and
flow will bypass seals in cylinder.
boom lift cylinders with boom
POSSIBLE PROBLEMS
raised completely and BOOM
control lever in the UP
Lift cylinder piston seals
position?
faulty.
Go to Step 3 of this
NO
Fault.
YES
Fault not corrected.
Notify supervisor.
2-632
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