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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
9.
Visual inspection
Vehicle park and service brakes
REASON FOR QUESTION
OK.
Is air present at booster
Air hoses free from kinks.
valve supply port?
If air is present, booster valve
Air present at rear and fifth
is faulty.
wheel emergency gladhands.
Rear and fifth wheel service
gladhands OK.
Air hoses 257 and 263 OK.
NO
Service gladhand selector valve
OK.
Air hose 258 OK.
Air hose 135 OK.
Air brake protecting valve OK.
Go to step 10
YES
Air hose 256 OK.
of this fault.
POSSIBLE PROBLEMS
Faulty booster valve.
Faulty service gladhand
two-way check valve.
Faulty air hose 145.
Replace booster
valve (para 11-15).
KNOWN INFO
TEST OPTIONS
10.
Visual inspection
Vehicle park and service brakes
REASON FOR QUESTION
OK.
Is air present at service
Air hoses free from kinks.
If air is not present, service
gladhand two-way check
Air present at rear and fifth
gladhand two-way check valve
valve delivery port?
wheel emergency gladhands.
is faulty. If air is present, air
Rear and fifth wheel service
hose 145 is faulty.
gladhands OK.
Air hoses 257 and 263 OK.
Service gladhand selector valve
OK.
NO
Air hose 258 OK.
Air hose 135 OK.
Air brake protecting valve OK.
Air hose 256 OK.
Booster valve OK.
Replace service gladhand
YES
POSSIBLE PROBLEMS
two-way check valve (para 11-25).
Faulty service gladhand
two-way check valve.
Faulty air hose 145.
Replace air hose
145 (para 11-21).
2-1976.58
Change 1
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