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TM 9-2320-364-20-3
2-2636
8. CRANE WILL NOT SWING CW 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.
Tan wire from truck remote
control connector outlet to
terminal 10 faulty.
White wire from terminal 10 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 present at 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)
Remote control unit connected,
(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 CW control valve
solenoid harness connector,
terminal 1 with crane on and
remote control unit SWING
lever in CW position?
Go to Step 8 of this
Fault.
YES
WARNING
Read WARNING
on Page 2-2637
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