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Page Title:
BOOM DOES NOT LOWER OR LOWERS SLOWLY. (Cont) |
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 TM 9-2320-364-34-1
15. BOOM DOES NOT LOWER OR LOWERS SLOWLY (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting
Flowmeter test.
on Page 2-607
Are
tasks completed.
0 gpm
Boom raises.
REASON FOR QUESTION
(0 lpm)
Four valve bank OK.
measured between BOOM
If cylinder piston seals are faulty,
POSSIBLE PROBLEMS
valve and boom lift cylinders
flow will bypass seals in cylinder.
with BOOM control lever in
Lift cylinder faulty.
the DOWN position and
cylinders not moving?
Go to Step 4 of this
NO
Fault.
YES
2-606
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