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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).
7.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Flowmeter test.
Unit Troubleshooting tasks
on Page 2-357
completed.
Middle frame loads.
REASON FOR QUESTION
Middle frame up directional
Are 0 gpm measured at RH
control valve OK.
If fluid flow is getting past
main cylinder manifold, port
Load control valve OK.
cylinder piston seals, middle
VB with LHS in transit
Main cylinder manifold
frame will not lift its rated
relief valves OK.
capacity.
position while holding
Load control valve OK.
joystick in UNLOAD position?
LH main cylinder OK.
POSSIBLE PROBLEMS
RH main cylinder faulty.
Replace RH main
cylinder (Para 17-15).
NO
Verify repair, go to
Step 8 of this Fault.
YES
2-356
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