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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).
5.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting tasks
Pressure test.
on Page 2-353
completed.
Middle frame loads.
REASON FOR QUESTION
Middle frame up directional
Are less than 1300 psi
control valve OK.
If load control valve is faulty,
Load control valve OK.
(8964 kPa) measured at
return flow from main cylinders
Main cylinder manifold
will be restricted causing
cylinder main manifold, port
relief valves OK.
excessive pressure.
TPMB when attempting to
unload?
POSSIBLE PROBLEMS
Load control valve faulty.
LH main cylinder faulty.
Replace LH
RH main cylinder faulty.
(outboard) load
control valve
NO
(Para 17-6).
Verify repair, go to
Step 8 of this Fault.
YES
2-352
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