TM10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
Table 2-2. Unit Troubleshooting -continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
AIRBRAKE SYSTEM (Model WPES-1) - continued
Step 2. Check that compressed air system tubes between reservoir and air chamber assemblies are not crimped
or crushed.
a. If compressed air system tubes are good, go to step 3.
b. If compressed air system tubes are damaged, repair airbrake system tubing. Refer to paragraph 2-96.
Step 3. Remove hub and drum assembly for each wheel (refer to paragraph 2-100). Inspect brakeshoe linings for
wear. Using 6-inch scale, measure brakeshoe lining thickness.
a. If brakeshoe linings are greater than 1/8 inch (3.2 mm) thick, adjust service brakes. Refer to paragraph 2-
101.
b. If brakeshoe linings are less than 1/8 inch (3 2 mm) thick, notify Direct Support Maintenance.
5. BRAKES SLIP.
Step 1. Remove hub and drum assembly for each wheel (refer to paragraph 2-100). Inspect brakeshoe linings for
wear, using 6-inch scale to measure brakeshoe lining for thickness, and check for rusted or damaged
brake parts.
a. If brakeshoe linings are less than 1/8 inch (3 2 mm) thick or brake parts are rusted or damaged, notify
Direct Support Maintenance.
b. If brakeshoe linings are greater than 1/8 inch (3.2 mm) thick and brake parts are good, adjust service
brakes. Refer to paragraph 2-101.
2-64
