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TM 9-2320-364-20-3
2-2798
19. CRANE HIGH IDLE NOT WORKING (CONT).
Crane operates.
Red wire from terminal 17 to
relay OK.
Green wire from relay to
ground OK.
Black wire from terminal 3 to
relay OK.
Relay OK.
Blue wire from relay to
diode OK.
Diode OK.
Red wire from diode to HIGH
IDLE switch OK.
Green jumper wire on HIGH
IDLE switch OK.
HIGH IDLE switch OK.
Wire 231 OK.
Relay R22 faulty.
Black wire from power switch
to HIGH IDLE switch faulty.
High IDLE switch faulty.
Green wire from HIGH IDLE
switch to terminal 17 faulty.
White wire from terminal 17 to
crane connector faulty.
Wire 1737 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 22 to 28 VDC is measured,
relay R22 is faulty.
YES
NO
Go to Step 14 of this
Fault.
13.
Are 22 to 28 VDC measured
at relay R22, terminal 86?
Replace relay R22
(Para 7-95).
Verify repair, go to
Step 19 of this Fault.
WARNING
Read WARNING
on Page 2-2799
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