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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
14.
Visual inspection
Vehicle park and service brakes
REASON FOR QUESTION
OK.
Is air present at
Air hoses free from kinks.
load sensing valve
If air is present, air hose 230
Emergency gladhand OK.
control port tee fitting
is faulty.
Air hose 155, 157, or 167
delivery port?
OK.
Service gladhand OK.
Air hose 149, 150, or 151
OK.
Air hose 102 OK.
Air hose 108 OK.
TRAILER AIR SUPPLY valve
OK.
Air hose 104 OK.
NO
Air hose 241, 253, or 254
OK.
Air brake protecting valve OK.
Air hose 120 OK.
Inversion valve control port
90-degree fitting OK.
Air hose 128, 130, or 132
Go to step 15
YES
OK.
of this fault.
POSSIBLE PROBLEMS
Faulty air hose 230.
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.
Replace air hose
230 (para 11-21).
2-1976.22
Change 1

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