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TM 9-2320-364-20-3
2-2586
5. BOOM WILL NOT RAISE USING REMOTE CONTROL UNIT (CONT).
3.
Is conti-
nuity meas-
ured between
switch COM and NC terminals
and not between COM and NO
terminals when controller lever
is in neutral (center) position
and opposite when lever is in
the UP position?
Replace switch
(Para 18-4).
Verify repair, go to
Step 9 of this Fault.
YES
NO
Boom operates using manual
control.
At least one other remote
function operates.
Remote control unit harness
OK.
Controller switch faulty.
Controller circuit card faulty.
Remote control unit cable
faulty.
Pink wire from truck remote
control connector outlet to
terminal 13 faulty.
White wire from terminal 13 to
solenoid faulty.
Solenoid black wire faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If there is no continuity, 22 to 24
vdc will not be present at
controller circuit card.
WARNING
Read WARNING
on Page 2-2587
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