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TM 9-2320-364-20-3
2-2424
12. MIDDLE FRAME DOES NOT LOAD IN MANUAL MODE (CONT).
LHS Hoses OK.
Wire 1490 faulty.
Wire 1481 faulty.
Hydraulic selector switch faulty.
LHS control assembly faulty.
Wire 1468 faulty.
Wire 1435 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
YES
NO
Go to Step 3 of this
Fault.
2.
Are 22 to
28 vdc
measured
at middle
frame down
directional control (DC) valve
harness connector, terminal 2
with ENGINE switch ON,
hydraulic selector switch in
MAN MF and joystick in LOAD
position?
Go to Step 8 of this
Fault.
WARNING
If there are not 22 to 28 vdc
present, component supplying
voltage to middle frame DC
valve is faulty.
Read WARNING
on Page 2-2425
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