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Page Title:
NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (ALL MODELS EXCEPT M1088) (cont) |
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 TM 9-2320-366-20-2
j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S)
(ALL MODELS EXCEPT M1088) (CONT)
KNOWN INFO
TEST OPTIONS
2.
Visual inspection
Vehicle park and service brakes
REASON FOR QUESTION
OK.
Is air present at
Air hoses free from kinks.
service gladhand?
This question eliminates
Air hose 149, 150, or 151
possible problems and
OK.
determines where
Air hose 102 OK.
troubleshooting continues.
Air hose 108 OK.
TRAILER AIR SUPPLY valve
OK.
Air hose 104 OK.
POSSIBLE PROBLEMS
NO
Faulty emergency gladhand.
Faulty air hose 155, 157, or
167.
Faulty service gladhand.
Faulty air hose 241, 253, or
Go to step 10
YES
254.
of this fault.
Faulty air brake protecting
valve.
Faulty air hose 230 or 256.
Faulty load sensing valve
control port tee fitting.
Faulty air hose 240 or 243.
Faulty booster valve.
Faulty service gladhand
two-way check valve.
Faulty air hose 145.
Faulty air hose 120.
Faulty inversion valve control
port 90-degree fitting.
Faulty air hose 128, 130, or
132.
2-1974
Change 1
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