TM 9-2320-365-20-2
2-1620
1.
Front brakes OK.
Air tanks pressurized.
YES
NO
START
Visual inspection
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Is air present at foot
control valve supply
air hoses and is air
hose free from leaks
and damage?
A blocked or leaking
supply air hose to foot
control valve will prevent
air delivery to service
brake chambers and cause
brakes not to apply.
i2. REAR BRAKES DO NOT APPLY
WARNING
Read WARNING
on following page.
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
Personnel Required
(2)
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
Replace damaged air hose(s)
(para 11-19).
Faulty supply air hose to
foot control valve.
Faulty foot control valve.
Faulty air hoses at cab
floor.
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 hose to spring
brakes.
Faulty vent hose from spring
brake service chamber.
Faulty spring brake
chamber.