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Page Title:
M1088 TRAILER HANDBRAKE DOES NOT OPERATE (cont) |
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 TM 9-2320-366-20-2
j4D. M1088 TRAILER HANDBRAKE DOES NOT OPERATE (CONT)
KNOWN INFO
TEST OPTIONS
2.
Visual inspection
Air present at rear and fifth
REASON FOR QUESTION
Is air present at
wheel gladhands when service
cab floor fitting?
brakes applied.
If air is present, air hose 162
Air hoses free from kinks.
is faulty.
Air brake protecting valve OK.
POSSIBLE PROBLEMS
Faulty air hose 162.
Faulty air hose 129.
NO
Faulty trailer service brake
valve.
Faulty park control two-way
check valve.
Go to step 3
Faulty air hose 161.
YES
of this fault.
Replace air hose
162 (para 11-21).
KNOWN INFO
TEST OPTIONS
3.
Visual inspection
Air present at rear and fifth
REASON FOR QUESTION
wheel gladhands when service
Is air present at
brakes applied.
trailer service brake
If air is present, air hose 129
Air hoses free from kinks.
valve delivery port?
is faulty.
Air brake protecting valve OK.
Air hose 162 OK.
POSSIBLE PROBLEMS
Faulty air hose 129.
Faulty trailer service brake
valve.
NO
Faulty park control two-way
check valve.
Faulty air hose 161.
Go to step 4
YES
of this fault.
Replace air hose
129 (para 11-21).
2-1976.62
Change 1
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