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TM 9-2320-364-20-3
2-2654
9. CRANE WILL NOT SWING CCW USING REMOTE CONTROL UNIT.
INITIAL SETUP
1.
Go to Step 2 of this
Fault.
START
NO
Swing operates using manual
control lever.
At least one other remote
control function operates.
Remote control unit harness
faulty.
Controller switch faulty.
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 component or wire supplying
voltage to solenoid is loose,
faulty or shorted, 22 to 28 vdc
will not be input to solenoid.
2-29. CRANE TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Multimeter (Item 44, Appendix G)
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Crane outriggers down, (TM 9-2320-364-10)
Mast fully erected, (TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
Are 22 to
28 vdc
measured at
swing CCW solenoid harness
connector, terminal 1 with
crane on and remote control
unit SWING lever in CCW
position?
Go to Step 8 of this
Fault.
YES
WARNING
Read WARNING
on Page 2-2655
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