Table 11. Differential Troubleshooting Procedures.

TM 9-2320-361-24-1

0006 00

MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)

Table 11. Differential Troubleshooting Procedures (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Check for loose or damaged

1. Adjust wheel bearings if loose

2. DIFFERENTIAL CLUNKS

wheel bearings. Raise wheel off

(WP 0189 00).

DURING TURNS OR

ground. Use prybar to check for

INITIAL TAKEOFF

2. If damaged, replace wheel

excessive play.

bearings (WP 0187 00 or

WP 0188 00).

2. Check torque rod for damage

Repair or replace torque rods

(WP 0162 00).

3. Check differential propeller

Repair or replace defective

shaft(s) and universal joint(s)

components (WP 0139 00 or

condition (WP 0139 00 or

WP 0141 00).

4. Check front axle shafts and

1. Repair or replace defective

universal joints for defects

components (WP 0142 00).

(WP 0142 00).

2. If problem still exists, replace

differential (WP 0454 00).

1. Check tires and rims condition.

Repair or replace defective

3. DIFFERENTIAL VIBRATES

components (WP 0186 00).

2. Check front axle shafts and

1. Repair or replace defective

universal joints for defects

components (WP 0142 00).

(WP 0142 00).

2. If problem still exists, replace

differential (WP 0454 00).

1. Check axle seals condition.

Replace seals, if defective

4. DIFFERENTIAL LEAKS OIL

(WP 0143 00).

2. Inspect drum for presence of

If gear oil is present in or around

gear oil.

drums, replace axle seals

(WP 0143 00).

3. Check housing for loose

Tighten all loose hardware.

hardware.

0006 00-15