KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
5.
YES
NO
Replace damaged air hose
and/or fittings (para 23-2).
FRONT BRAKE/REAR BRAKE
AIR pressure gages OK.
Air hoses and fittings from air
cleaner to air compressor OK.
Air hoses and fittings from air
compressor to air dryer OK.
Air hose and fittings from
air dryer to wet tank OK.
POSSIBLE PROBLEMS
Are air hose from wet tank
to air compressor
governor and fittings free
from damage?
A damaged air hose or fitting
may cause air system to loose
pressure or take an excessive
amount of time to build up
air pressure.
TM 9-2320-365-20-2
2-1722 Change 1
Soapy Water Leak Test and
Visual Inspection
Damaged air hose from wet
tank to air compressor.
Damaged air hoses from wet
tank to primary and secondary
air tanks.
Faulty check valves at primary
and secondary air tanks.
Faulty air dryer purge valve
and/or clogged desiccant
cartridge.
Faulty air compressor
governor.
Faulty air compressor.
j1. AIR SYSTEM LOSES PRESSURE DURING OPERATION/SLOW, NO, OR INCORRECT AIR
PRESSURE BUILDUP (CONT)
