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TM 9-2320-364-20-3
2-2660
9. CRANE WILL NOT SWING CCW USING REMOTE CONTROL UNIT (CONT).
4.
Replace controller
circuit card
(Para 18-4).
Verify repair, go to
Step 9 of this Fault.
YES
NO
Swing operates using manual
control.
At least one other remote
control function operates.
Remote control unit harness
OK.
Controller switch OK.
Controller circuit card faulty.
Remote control unit cable faulty.
Red wire from truck remote
control connector outlet to
terminal 9 faulty.
White wire from terminal 9 to
solenoid faulty.
Solenoid black wire faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If circuit card is faulty, 22 to 28
vdc will not be present at crane
main junction box.
WARNING
Are 22 to 28 vdc measured at
four terminal connector white
wire with lever in CCW
position?
Read WARNING
on Page 2-2661
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