TM 9-2320-366-20-2
TM 9-2320-366-20-2
TM 9-2320-366-20-2
TM 9-2320-366-20-2
TM 9-2320-366-20-2
2-1862
2-1862
2-1862
2-1862
2-1862
YES
NO
8.
A lack of air from delivery
port of booster valve will
prevent air delivery to
service brake chambers
and cause rear brakes
not to apply.
Replace booster valve
(para 11-15).
Visual inspection
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Front brakes OK.
Air tanks pressurized.
Supply air hose to foot
control valve OK.
Foot control valve OK.
Air hoses at cab floor OK.
Air hose to check valve OK.
Check valve OK.
Air hose to control port of
booster valve OK.
Air hose to supply port of
booster valve OK.
Faulty booster 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.
Is air present at booster
valve delivery air hose.
POSSIBLE PROBLEMS
i2.
REAR BRAKES DO NOT APPLY (CONT)
i2.
REAR BRAKES DO NOT APPLY (CONT)
i2.
REAR BRAKES DO NOT APPLY (CONT)
i2.
REAR BRAKES DO NOT APPLY (CONT)
i2.
REAR BRAKES DO NOT APPLY (CONT)