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Page Title:
BOOM DOES NOT OPERATE OR OPERATES SLOWLY. (Cont) |
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 TM 9-2320-364-34-1
16. BOOM DOES NOT OPERATE OR OPERATES SLOWLY (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Are
Unit Troubleshooting
Flowmeter test.
on Page 2-617
tasks completed.
0 gpm
Hoist operates.
REASON FOR QUESTION
(0 lpm)
Four valve bank OK.
measured
If cylinder piston seals are faulty,
between BOOM valve and
POSSIBLE PROBLEMS
flow will bypass seals in cylinder.
boom lift cylinders with
BOOM control lever in the UP
Lift cylinder faulty.
position and cylinders not
moving?
Go to Step 5 of this
NO
Fault.
YES
2-616
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