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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).
6.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting tasks
Flowmeter test.
on Page 2-355
completed.
Middle frame loads.
REASON FOR QUESTION
Middle frame up directional
Are 0 gpm measured at LH
control valve OK.
If fluid flow is getting past main
main cylinder manifold, port
Load control valve OK.
cylinder piston seals, middle
Main cylinder manifold
frame will not lift its rated
VB with LHS in transit
relief valves OK.
capacity.
position while holding
Load control valve OK.
joystick in UNLOAD position?
POSSIBLE PROBLEMS
LH main cylinder faulty.
RH main cylinder faulty.
Replace LH main
cylinder (Para 17-15).
NO
Verify repair, go to
Step 8 of this Fault.
YES
2-354
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