TM 9-2320-365-20-2
2-1736
3.
Visual inspection
NO
YES
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Air hoses and fittings OK.
Air dryer heater OK.
Blocked air hose from air
dryer to wet tank.
Faulty air dryer.
Faulty air compressor
governor.
Does air escape from
air dryer to wet tank
air hose?
A blocked air hose from
air dryer to wet tank
will cause purge valve
to release air.
4.
Air dryer will continually
purge if air compressor
governor is defective.
YES
NO
Faulty air dryer.
Faulty air compressor
governor.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Air hoses and fittings OK.
Air dryer heater OK.
Air hose from air
dryer to wet tank OK.
Does air escape from
compressor air hose
at purge valve?
Check for air at purge
valve air hose.
Replace damaged air
hose (para 23-2).
Service air dryer
(para 23-6).
Notify DS Maintenance.
j3. AIR DRYER CONTINUALLY PURGES (CONT)
