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TM 9-2320-364-20-3
2-2538
2. HOIST WILL NOT LOWER USING REMOTE CONTROL UNIT (CONT).
6.
Repair orange 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 mounted on
crane.
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.
Orange wire from truck remote
control connector outlet to
terminal 16 faulty.
White wire from terminal 16 to
solenoid faulty.
Solenoid black wire faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If orange wire from truck remote
control hookup 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 16
when remote controller lever
is in DOWN position?
Read WARNING
on Page 2-2539
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