TM 10-4610-241-24
TO 40W4-13-42
Table 2-2. Unit Troubleshooting - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
AIRBRAKE SYSTEM (Model WPES-10 and H-9518-1) - continued.
Step 2.
Using soap solution check all compressed air system tubes, fittings, and components for leaking air.
a.
b.
c.
d.
e.
f.
g .
h.
If compressed air system is not losing pressure, go to step 2.
If compressed air tube or fitting is leaking air, replace airbrake system tubing. Refer to Paragraph 2-
83.
If coupling half is leaking air, replace or repair airbrake hose assembly. Refer to Paragraph 2-83.
If air cleaner assembly is leaking air, replace brake line air cleaner. Refer to Paragraph 2-84.
If reservoir is leaking air, replace reservoir. Refer to Paragraph 2-83.
If reservoir drain cock is leaking air, replace reservoir drain cock. Refer to Paragraph 2-83.
If air chamber assembly is leaking air, replace air chamber assembly. Refer to Paragraph 2-89.
If airbrake relay valve is leaking air, replace airbrake relay valve. Refer to Paragraph 2-85.
5.
Step 3.
Check if compressed air system tubes between reservoir and air chambers are crimped or crushed.
a.
If compressed air system tubes are good, go to step 4.
b.
If compressed air system tubes are damaged, repair airbrake system tubing. Refer to Paragraph 2-83.
Step 4.
Go to Malfunction 1, Air Brake System, Step 4. if trouble persists.
BRAKES SLIP.
Go to Malfunction 1, Air Brake System, Step 4, if this malfunction occurs.
2-64 Change 1
