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TM 9-2320-364-20-3
2-2628
7. BOOM WILL NOT TELESCOPE OUT USING REMOTE CONTROL UNIT (CONT).
6.
Repair yellow wire
(see schematic
Fig 2-58) or notify
DS Maintenance.
Verify repair, go to
Step 9 of this Fault.
YES
NO
Telescope 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.
Yellow wire from truck remote
control connector outlet to
terminal 11 faulty.
white wire from terminal 11 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
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 11
when remote controller lever
is in OUT position?
Read WARNING
on Page 2-2629
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