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Page Title:
MIDDLE FRAME DOES NOT UNLOAD. (Cont) |
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 TM 9-2320-364-34-1
7. MIDDLE FRAME DOES NOT UNLOAD (CONT).
4.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting tasks
Pressure test.
on Page 2-351
completed.
Middle frame loads.
REASON FOR QUESTION
Middle frame up directional
Are 0 psi measured at LH
control valve OK.
If relief valve is faulty, pressure
main cylinder manifold, port T
Load control valve OK.
will be relieved out port T before
when attempting to unload?
operating main cylinder.
POSSIBLE PROBLEMS
Main cylinder manifold
relief valve faulty.
Load control valve faulty.
LH main cylinder faulty.
Repair LH main
RH main cylinder faulty.
cylinder manifold
NO
(Para 17-16).
Verify repair, go to
Step 8 of this Fault.
YES
2-350
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