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Page Title:
NO AIR PRESSURE PRESENT AT M1088 REAR AND/OR FIFTH WHEEL SERVICE GLADHAND(S) (cont) |
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 TM 9-2320-366-20-2
j4C. NO AIR PRESSURE PRESENT AT M1088 REAR AND/OR FIFTH WHEEL
SERVICE GLADHAND(S) (CONT)
KNOWN INFO
TEST OPTIONS
5.
Visual inspection
Vehicle park and service brakes
REASON FOR QUESTION
OK.
Is air present at
Air hoses free from kinks.
air brake protecting valve
If air is present, air hose 258 is
Air present at rear and fifth
delivery port TRLR S?
faulty.
wheel emergency gladhands.
Rear and fifth wheel service
gladhands OK.
Air hoses 257 and 263 OK.
Service gladhand selector valve
NO
OK.
POSSIBLE PROBLEMS
Faulty air hose 258.
YES
Go to step 6
Faulty air hose 135.
of this fault.
Faulty air brake protecting
valve.
Faulty air hose 256.
Faulty booster valve.
Faulty service gladhand
two-way check valve.
Faulty air hose 145.
Replace air hose
258 (para 11-21).
KNOWN INFO
TEST OPTIONS
6.
Visual inspection
Vehicle park and service brakes
REASON FOR QUESTION
OK.
Is air present at
Air hoses free from kinks.
air brake protecting valve
This question eliminates
Air present at rear and fifth
supply port FV1?
possible problems and
wheel emergency gladhands.
determines where
Rear and fifth wheel service
troubleshooting continues.
gladhands OK.
Air hoses 257 and 263 OK.
Service gladhand selector valve
NO
OK.
Air hose 258 OK.
POSSIBLE PROBLEMS
Go to step 8
YES
Faulty air hose 135.
of this fault.
Faulty air brake protecting
valve.
Faulty air hose 256.
Faulty booster valve.
Faulty service gladhand
two-way check valve.
Faulty air hose 145.
2-1976.54
Change 1
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