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TM 9-2320-364-20-3
2-2606
6. BOOM WILL NOT TELESCOPE IN 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.
White wire from truck remote
control connector outlet to
terminal 12 faulty.
White wire from terminal 12 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
four terminal connector blue
wire with lever in IN position?
Read WARNING
on Page 2-2607
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