TM 9-2330-376-14&P
Table 4-2. Organizational Troubleshooting (Con't).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. SLOW APPLICATION OR SLOW RELEASE OF BRAKES.
Step 1.
Check for clogged air filter elements.
With trailer coupled to towing vehicle, check for air being released from relay valve when towing
Step 2.
vehicle brakes are released.
If air is not released from relay valve, replace (para 4-40).
Step 3.
Check for air in hydraulic brake system.
Check for weak or broken brakeshoe return spring (para 4-29).
Step 4.
BRAKES GRAB.
9.
Step 1.
Step 2.
Visually check for out-of-round, cracked, `worn, scored, or deformed brakedrum.
Step 3.
Step 4.
Check for worn or loose brakeshoe linings or grease on brakeshoe linings.
10. BRAKES DRAG.
Step 1.
Visually check for out-of-round brakedrum.
Step 2.
Step 3.
Check for worn or broken brakeshoe return spring (para 4-29).
4-13