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TM 9-2320-364-20-3
2-2518
1. NO CRANE FUNCTIONS WORK USING REMOTE CONTROL.
INITIAL SETUP
NOTE
Tag and mark all wires prior to removal.
1.
Repair violet wire
(see schematic
Fig 2-58) or notify
DS Maintenance.
Verify repair, go to
Step 8 of this Fault.
START
YES
NO
All crane functions operate
using controls mounted on
crane.
Violet wire from terminal 8 to
remote control connector
terminal H faulty.
Green wire from remote control
connector terminal B to crane
junction box ground faulty.
Remote control unit cable faulty.
Remote control unit wire 4
faulty.
ON/OFF EMERGENCY STOP
switch faulty.
Remote control unit wire 8 from
ON/OFF switch to four terminal
connector faulty.
Remote control unit wire 2
faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If violet wire from terminal 8 to
remote control connector,
terminal H faulty, 22 to 28 vdc
will not be present in remote
control unit.
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)
Remote control unit connected,
(TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
WARNING
Are 22 to 28 vdc measured at
remote control unit
connector, terminal H when
crane is turned ON?
Read WARNING
on Page 2-2519
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