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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
3.
Visual inspection
Vehicle park and service brakes
REASON FOR QUESTION
OK.
Is air present at service
Air hoses free from kinks.
gladhand selector valve
If air is not present, service
Air present at rear and fifth
output to affected
gladhand selector valve is
wheel emergency gladhands.
service gladhand?
faulty. If air is present, air
Rear and fifth wheel service
hose 257 or 263 is faulty.
gladhands OK.
Air hose 258 OK.
Air hose 135 OK.
Air brake protecting valve OK.
NO
Air hose 256 OK.
Booster valve OK.
Service gladhand two-way
check valve OK.
Air hose 145 OK.
Replace service gladhand
YES
POSSIBLE PROBLEMS
selector valve (para 11-33).
Faulty air hose 257 or 263.
Faulty service gladhand
selector valve.
Replace air hose 257
or 263 (para 11-21).
KNOWN INFO
TEST OPTIONS
4.
Visual inspection
Vehicle park and service brakes
REASON FOR QUESTION
OK.
Is air present at service
Air hoses free from kinks.
If air is present, service
gladhand selector valve
Air present at rear and fifth
gladhand selector valve is
supply port?
wheel emergency gladhands.
faulty.
Rear and fifth wheel service
gladhands OK.
Air hoses 257 and 263 OK.
POSSIBLE PROBLEMS
Faulty service gladhand
NO
selector valve.
Faulty air hose 258.
Faulty air hose 135.
Faulty air brake protecting
valve.
Faulty air hose 256.
Go to step 5
YES
Faulty booster valve.
of this fault.
Faulty service gladhand
two-way check valve.
Faulty air hose 145.
Replace service gladhand
selector valve (para 11-33).
2-1976.52
Change 1
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