BRAKES OVERHEAT.

9-2320-279-20-1

Troubleshooting Malfunctions (Cent)

TROUBLESHOOTING INSTRUCTIONS

2-15.

2-9.

Test or Inspection

Corrective Action

DUAL AIR BRAKE SYSTEM

BRAKES WILL NOT RELEASE

LINE NO. 612

Step 6. Release parking brakes. Loosen line No. 612 at parking brake valve.

no air comes out of line No. 612, replace parking brake valve (para 11-20).

11-17).

If air comes out of line No. 612, replace spring brake control valve

- BRAKES OVERHEAT.

Step 1. Check brakes for proper adjustment.

Adjust brakes (para 11-7).

Step 2. Check that brakes are releasing (go to MALFUNCTION 3, Steps 2 and 3).

11-3 or 11-4).

Replace damaged components