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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).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Are more
Unit Troubleshooting tasks
Pressure test.
on Page 2-345
than 3600
completed.
Middle frame loads.
REASON FOR QUESTION
psi (24,822
Middle frame up directional
kPa) measured at main
If load control valve is faulty, fluid
control valve OK.
manifold, port TPMB with
will be restricted going from
hoses 2888, 2887, 2588, 2666,
directional control valve to main
POSSIBLE PROBLEMS
2889 and 2890 capped and
cylinder manifold outlet.
LHS joystick held in UNLOAD
Load control valve faulty.
position?
Main cylinder manifold
relief valve faulty.
Load control valve faulty.
LH main cylinder faulty.
Replace RH (inboard)
RH main cylinder faulty.
load control valve
NO
(Para 17-6).
Verify repair, go to
Step 8 of this Fault.
YES
2-344
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