Steer Wheels

TM 10-3930-631-34

edge of outer circle should lie on the bolt circle as shown

(2) Install ear in wheel with the large chamfer

down. Aline holes in drive wheel with spring pins. Place

brass or bronze drive bar over spring pins and start gear

evenly into drive wheel by tapping bar.

(3) Install screws (9) and lock washers (10)

through drive wheel and into gear. Alternately tighten

screws to draw gear evenly into drive wheel until gear

seats flush in drive wheel. Screw ends must be

recessed evenly in ring gear. (4)After gear is seated in

drive wheel tighten screws evenly to a torque 28 to 32

pound feet (3.8- 4.4 m-kg).

(5) Fill all spaces between gear teeth with grease

(GAA) approximately three-fourths of the height of the

Figure 3-17. Spring pin installed.

Figure 3-18. Lubricating ring or bull gear.

Replacement of Tire.

(6) Refer to TM 10-3930-631-12 and install drive

wheel.

(1) Check inside diameter of new tire. Remove

any scale or rust with sandpaper. Clean inside of new

3-12. Steer Wheels

tire and lubricate it with grease (GAA).

Refer to TM 10-3930-631-12 and for procedures

(2) Place a circular ram on a press table as

applicable to the steer wheels.

shown in figure 3-19. The ram must be longer than the

3-13. Tires

width of the old tire and small enough in outside diameter

a. Description. The cushion tires are mounted on

to fit loosely in the insert of the tire. The surface must be

rims which are a press fit on the wheels.

large enough to rest squarely on the flat surface of the

b. Removal.

Refer to TM 10-3930-631-12 to

ring or bull gear.

remove either the drive wheel or steer wheel from the

truck.

3-17