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TM 9-2320-364-20-3
2-2582
5. BOOM WILL NOT RAISE USING REMOTE CONTROL UNIT.
INITIAL SETUP
1.
Go to Step 2 of this
Fault.
START
YES
NO
Boom 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.
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
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)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
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)
Are 22 to
28 vdc
measured at
boom UP solenoid harness
connector, terminal 1 with
crane on and remote control
unit BOOM lever in UP
position?
Go to Step 8 of this
Fault.
WARNING
Read WARNING
on Page 2-2583
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