Figure 4-24. Drive wheel, exploded view.

TM 10-3930-631-12

Screw

Lock washer

Hub cap

Cotter pin

Wheel nut

Washer

Outer wheel bearing

Wheel and tire assembly

Inner wheel bearing

Figure 4-24. Drive wheel, exploded view.

(a) Remove three screws (1) and lock

(2) Inspect brake drum for cracks, flat

washers (2) and remove hub cap (3).

spots, excessive wear, and damage.

(b) Remove cotter pin (4) from wheel nut (5)

(3) Inspect bearings (7 and 9) and bearing

and remove wheel nut and washer (6) from axle.

cups in wheel for wear or damage.

(4) Clean bearings and bearing surfaces

wheel and axle.

with cleaning compound, solvent (Fed. Spec. P-D-680).

(d) Remove wheel assembly (8). Remove

d. Front Wheel Installation. Refer to figure 4-24

wheel carefully to prevent damage to brake shoes or

and install the wheel assembly as follows:

drums.

(1) Repack the outer and inner bearings (7

(e) Remove inner wheel gearing (9).

and 9) with grease (GAA).

c. Inspection.

(2) Install inner bearing (9) on axle spindle,

(1) Inspect wheel and tire (8, fig. 4-24) for

with tapered side out.

damage. Check teeth on ring or bull gear inside wheel

(3) Install wheel assembly (8) on bearing

for damage.

and spindle. Hold wheel assembly in place and install

4-29