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TM 9-2320-364-20-3
2-2624
7. BOOM WILL NOT TELESCOPE OUT USING REMOTE CONTROL UNIT (CONT).
4.
Replace controller
circuit card
(Para 18-4).
Verify repair, go to
Step 9 of this Fault.
YES
NO
Telescope operates using
manual control.
At least one other remote
control function operates.
Remote control unit harness
OK.
Controller switch OK.
Controller circuit card faulty.
Remote control unit cable faulty.
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 circuit card is faulty, 22 to 28
vdc will not be present at crane
main junction box.
WARNING
Are 22 to 28 vdc measured at
the four terminal connector
white wire with the lever in
OUT position?
Read WARNING
on Page 2-2625
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