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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).
3.
TEST OPTIONS
KNOWN INFO
Operation test.
Unit Troubleshooting
Does boom lift cylinder on
tasks completed.
LHS side of crane operate
Hoist operates.
REASON FOR QUESTION
Four valve bank OK.
with rod end disconnected
Faulty cylinder will not operate or
from boom?
POSSIBLE PROBLEMS
will operate slowly when
compared to functioning cylinder
when disconnected from boom.
Lift cylinder faulty.
Replace boom lift
cylinder on LHS side
of boom
NO
(Para 16-6).
Verify repair, go to
Step 6 of this Fault.
YES
Replace boom lift
cylinder on cab side
of boom (Para 16-6).
Verify repair, go to
Step 6 of this Fault.
2-618
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