Thrust adjustment.

TM 10-3930-632-34

Fill and level plug

Lash adjuster

Ball nut

Cover bolt

Steering shaft

Nut

Shaft and gear assembly

Thrust adjuster

Nut

Figure 2-9. Steering Gear Showing Adjustment Points.

(2) Thrust adjustment.

(8) securely.

(3) Lash adjustment.

(a) Check the tightness of all cover bolts (7, fig. 2-

9.) If necessary, loosen the nut (5) and turn the lash

adjuster (6) counterclockwise a few turns to provide the

NOTE

clearance between the shaft and gear assembly (4) and

Always make the thrust adjustment as directed

the ball nut (2).

in (2) above before making the lash adjustment.

(b) Turn the steering wheel gently to one extreme

end. Turn the steering wheel back one full turn. With

(a) Position the steering gear mechanism in

the spring scale on a spoke of the steering wheel,

straight-ahead position as described in (1) above.

measure the pull required to keep the steering wheel

(b) Turn the lash adjuster (6, fig. 2-9) clockwise to

moving. The pull on the scale should be made at right

remove all lash between the gear teeth of the ball nut (2)

angles to the spoke. If the pull is within 1/2 to 2 pounds,

and shaft and gear assembly (4). Tighten the nut.

proceed to the lash adjustment in (3) below. If the pull is

Position the spring scale on the steering wheel so that

not within 1/2 to 2 pounds, loosen the nut (8) and then

pull may be made at right angles to a wheel spoke.

turn the thrust adjuster (9) clockwise until all end play is

removed. Using a spring scale as directed above, check

turned through the center position. Rotate the

the pull and readjust as necessary; then tighten the nut

2-15