TM 9-2330-246-14
Table 4-2. Organizational Troubleshooting (Con't).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 9.
Check brake adjustment.
Adjust brakes (para 4-58 or 4-54).
Step 10. Check for loose or worn brakeshoe linings.
Replace brakeshoes (para 4-55 or 4-56).
Step 11. Check for defective wheel cylinder.
Replace wheel cylinder (para 4-59 or 4-60).
10. SLOW BRAKE APPLICATION OR SLOW RELEASE..
Check to see if air pressure is low.
Step 1.
Check air pressure gage on towing vehicle. Remove any restrictions in air lines. Perform
leakage test (para 4-68).
Step 2.
Check to see if air filter is clogged (if installed).
Replace air filter if clogged (para 4-66).
Check for defective relay valve.
Step 3.
Perform operating test. Replace if necessary (para 4-65).
Step 4.
Check brake fluid level in master cylinder (Chapter 3, Section l).
Fill master cylinder with brake fluid.
Step 5.
Check for air in hydraulic brake system.
Bleed brakes (para 4-57).
Step 6.
Check for defective master cylinder.
Replace master cylinder (para 4-61).
Step 7.
Check for defective wheel cylinder(s).
Replace wheel cylinder(s) (para 4-59 or 4-60).
Step 8.
Check for weak or broken brakeshoe return spring(s).
Replace brakeshoe return spring(s) (para 4-55 or 4-56).
11. BRAKES GRAB.
Step 1.
Check for moisture in air filters (if installed) and pressure tank.
Drain air filters (if Installed) and pressure tank.
4-12
