Section III. WHEELS AND TIRES

TM 10-3930-631-34

assembly on drive motor, using a new gasket (9, fig. 3-

(4) Refer to paragraph 2-10 and connect

8). Secure carrier with screws (5) and lock washers (6).

parking brake linkage and wires to drive motor.

Install bonding straps (8) under two of the screws.

(5) Refer to paragraph 3-8 to install axle shaft

(2) Install new gasket (15) on carrier. Move

and wheels.

carrier and drive motor under truck and lift into position

(6) Install drain plug and fill drive axle to proper

on drive axle.

level with specified oil (LO 10-3930-631-12).

(3) Install nuts (10) and lock washers (11) to

secure carrier and drive motor on drive axle.

Section III. WHEELS AND TIRES

(3) Runout on gear face must not exceed .010

3-11. Drive Wheel

inch (.254 mm).

a. Removal.

Refer to TM 10-3930-631-12 to

(4) Maximum allowable runout on the inside

remove the drive wheel and bearings.

diameter is .005 inch (.127 mm).

(1) Before removal, check runout of ring or bull

(5) If runout exceeds these tolerances replace

gear face and inside diameter.

gear.

(2) Mount a dial indicator on the spindle as

Figure 3-15. Checking ring or bull gear runout.

b. Disassembly.

(2) Turn wheel over and use screws inserted in

(1) Remove screws (9, fig. 3-16) and lock

holes in gear to remove gear from wheel. Tighten screws

washers (10) and remove ring or bull gear (11) from

alternately and evenly to remove 15 gear.

wheel (18).

3-15