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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
7.
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 not present, air hose
Air present at rear and fifth
supply port FV2?
135 is faulty. If air is present,
wheel emergency gladhands.
air brake protecting valve is
Rear and fifth wheel service
faulty.
gladhands OK.
Air hoses 257 and 263 OK.
Service gladhand selector valve
NO
OK.
Air hose 258 OK.
Air hose 256 OK.
Booster valve OK.
Service gladhand two-way
check valve OK.
Replace air hose
YES
Air hose 145 OK.
135 (para 11-21).
POSSIBLE PROBLEMS
Faulty air hose 135.
Faulty air brake protecting
valve.
Replace air brake protecting
valve (para 11-18).
KNOWN INFO
TEST OPTIONS
8.
Visual inspection
Vehicle park and service brakes
REASON FOR QUESTION
OK.
Is air present at booster
Air hoses free from kinks.
valve delivery port?
If air is present, air hose 256 is
Air present at rear and fifth
faulty.
wheel emergency gladhands.
Rear and fifth wheel service
gladhands OK.
NO
Air hoses 257 and 263 OK.
Service gladhand selector valve
OK.
Air hose 258 OK.
Air hose 135 OK.
Go to step 9
YES
Air brake protecting valve OK.
of this fault.
POSSIBLE PROBLEMS
Faulty air hose 256.
Faulty booster valve.
Faulty service gladhand
two-way check valve.
Faulty air hose 145.
Replace air hose
256 (para 11-21).
2-1976.56
Change 1
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