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TM 9-2320-364-20-3
2-2556
3. HOIST WILL NOT RAISE USING REMOTE CONTROL UNIT (CONT).
6.
Repair wire
(see schematic
Fig 2-58) or notify
DS Maintenance.
Verify repair, go to
Step 9 of this Fault.
YES
NO
Hoist operates using manual
control lever.
At least one other remote
control function operates.
Remote control unit
harness OK.
Controller switch OK.
Controller circuit card OK.
Remote control unit cable OK.
Black wire from truck remote
control connector outlet to
terminal 15 faulty.
White wire from terminal 15 to
solenoid faulty.
Solenoid black wire faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If wire from truck remote control
connector to crane junction box
terminal is loose or faulty, 22 to
28 vdc will not be present at
terminal.
WARNING
Are 22 to 28 vdc measured at
terminal strip terminal 15
when remote controller lever
is in UP position?
Read WARNING
on Page 2-2557
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