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TM 9-2320-364-20-2
2-1424
30. WINDSHIELD WASHERS DO NOT OPERATE (CONT).
Windshield wipers operate.
Washer water bottle is full.
Air line 2071 OK.
Windshield washer solenoid
valve OK.
Pressure relief valve faulty.
Wire 1314 faulty.
Windshield washer switch
faulty.
Wire 1921 faulty.
Wire 1435 faulty.
Windshield washer solenoid
ground faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Pressure test.
YES
NO
Replace pressure
relief valve (Para
19-8). Verify repair,
go to Step 8 of this
Fault.
3.
Does system pressure reduce
to 30 psi15 psi (206 kPa103
kPa)?
If pressure relief valve fails
open or releases at too low
pressure, windshield washer
will not operate.
WARNING
Read WARNING
on Page 2-1425
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