TM-9-2320-366-20-2
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-2 - Page 1308 of 1632
TM 9-2320-366-20-2
j4C. NO AIR PRESSURE PRESENT AT M1088 REAR AND/OR FIFTH WHEEL
SERVICE GLADHAND(S) (CONT)
2-1976.56
Change 1
TEST OPTIONS
KNOWN INFO
Visual Inspection
REASON FOR QUESTION
Is air present at
air brake protecting valve
supply port FV2?
If air is not present, air hose
135 is faulty.
If air is present,
air brake protecting valve is
faulty.
7.
Vehicle park and service brakes
OK.
Air hoses free from kinks.
Air present at rear and fifth
wheel emergency gladhands.
Rear and fifth wheel service
gladhands OK.
Air hoses 257 and 263 OK.
Service gladhand selector valve
OK.
Air hose 258 OK.
Air hose 256 OK.
Booster valve OK.
Service gladhand two-way
check valve OK.
Air hose 145 OK.
POSSIBLE PROBLEMS
Faulty air hose 135.
Faulty air brake protecting
valve.
NO
Replace air hose
135 (para 11-21).
YES
Replace air brake protecting
valve (para 11-18).
KNOWN INFO
Vehicle park and service brakes
OK.
Air hoses free from kinks.
Air present at rear and fifth
wheel emergency gladhands.
Rear and fifth wheel service
gladhands OK.
Air hoses 257 and 263 OK.
Service gladhand selector valve
OK.
Air hose 258 OK.
Air hose 135 OK.
Air brake protecting valve OK.
POSSIBLE PROBLEMS
Faulty air hose 256.
Faulty booster valve.
Faulty service gladhand
two-way check valve.
Faulty air hose 145.
8.
Is air present at booster
valve delivery port?
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
If air is present, air hose 256 is
faulty.
NO
Go to step 9
of this fault.
YES
Replace air hose
256 (para 11-21).
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