TM 9-2320-365-20-2
2-1626
YES
NO
4.
Visual inspection
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
POSSIBLE PROBLEMS
Front brakes OK.
Air tanks pressurized.
Supply air hose to foot
control valve OK.
Foot control valve OK.
Air hoses at cab floor OK.
Is air present at check valve
supply air hose and is the air
hose free from leaks and
damage?
A blocked or leaking air
hose to the check valve
will prevent air delivery
to the check valve and
will cause the rear brakes
not to apply.
Replace damaged air hose
(para 11-19).
Faulty air hose to check
valve.
Faulty check valve.
Faulty air hose to load
sensing valve.
Faulty load sensing
valve.
Faulty air hose to control
port of relay valve.
Faulty air hose to supply
port of relay valve.
Faulty relay valve.
Faulty air hoses to spring
brakes.
Faulty vent hose from spring
brake service chamber.
Faulty spring brake
chamber.
i2. REAR BRAKES DO NOT APPLY (CONT)
