TM 10-4610-215-24
TM 08580A24/2
Table 2-2. Troubleshooting (Trailer) (ARMY) CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BRAKES
1. AIR BRAKE SYSTEM INOPERATIVE.
Step 1.
Inspect air line hookup to be sure lines are not crossed.
Disconnect air lines and reconnect correctly.
Step 2.
Listen for escaping air, and locate defective line or fixture.
Report to direct support maintenance.
Step 3. Check the air system of the towing vehicle for leaks or lack of pressure.
If found, report to direct support maintenance for the towing vehicle.
Step 1.
Check for the cause of the lack of air pressure.
Report to direct support maintenance.
Step 2. Check the operation of the emergency/relay valve.
Report to direct support maintenance.
Step 3. Check to see if the compression springs have locked the brakes.
Locate and correct the cause of the loss of air pressure, then refer to Operator’s Manual,
TM 10-4610-21 5–10, for instructions for resetting a locked spring brake. Reset locked brakes
as required.
Step 4. Check the operation of the air chamber assembly.
Report to direct support maintenance.
3. BRAKES ON ONE SIDE ENGAGE BEFORE THOSE ON THE OTHER SIDE.
Step 1.
Check the movement of the slack adjusters to see if they are out of adjustment.
Report to direct support maintenance.
Step 2. Check the brake camshaft movement to see if there is any restriction on movement.
Report to direct support maintenance.
2-10
2. BREAKS REMAIN LOCKED.
