TM-9-2320-387-10

TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113

OPERATOR’S MANUAL

OCTOBER 2001

CHANGE 1

TM-9-2320-387-10 - Page 189 of 277

TM 9-2320-387-10

3-6

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Table 3-1. Troubleshooting (Cont’d).

BRAKES

15. POOR SERVICE BRAKING ACTION

All causes.

Notify unit maintenance.

16. SERVICE BRAKES DRAGGING

All causes.

Notify unit maintenance.

17. BRAKE WARNING LAMP ASSEMBLY ON

Step 1. Check to see if parking brake is partially applied.

Disengage parking brake.

Step 2. Other causes.

Notify unit maintenance.

18. PARKING BRAKE FAILS TO HOLD VEHICLE

Clean and adjust parking brake (para. 3-13).

If parking brake still fails to hold vehicle, notify unit maintenance.

WHEELS AND TIRES

19. WHEELS WOBBLE OR SHIMMY

Step 1. Check to see if wheel lug nuts are loose.

Tighten loose lug nuts (para. 3-25) and notify unit maintenance to

properly torque lug nuts.

Step 2. Inspect for mud or dirt buildup inside the rim.

Remove any mud or dirt buildup.

Step 3. Check tires for proper inflation pressure.

Step 4. Other causes.

Notify unit maintenance.

20. EXCESSIVE OR UNEVEN TIRE WEAR

Step 1. Check tires for proper inflation pressure.

Step 2. Other causes.

Notify unit maintenance.

21. VEHICLE WANDERS TO ONE SIDE ON LEVEL PAVEMENT

Step 1. Check tires for proper inflation pressure.

Step 2. Other causes.

Notify unit maintenance.