Lash adjustment

(4) Disconnect drag link at steering arm (paragraph

(5) Transfer tie wire to end of wire attached to new

6-26).

bearing assembly. Start bearing into mast jacket and

drive it into place with piloted driver.

(5) Remove screws, nuts and washers holding gear

column to support bracket by clamp (Figure 6-11). Lift

(6) Pull wire through opening in mast jacket and

out gear.

install the cover plate.

(6) To remove steering gear bracket, remove nut

(7) Install the steering shaft upper bearing spring

and washer holding steering arm to shaft, and pull off

seat (with flared end up) and spring. Install steering

steering arm with a puller. Remove screws, nuts and

wheel and insert horn button, insulator, contact and

washers attaching bracket to gear.

spring assembly in opening provided in steering wheel

hub. Install contact cup, positioning the tang on the

b. Lash adjustment. The following adjustment refers to

lower side, in the opening provided in the steering wheel

gear adjustment only. Refer to paragraph 6-25 for

hub.

linkage and stop adjustments.

(8) Install steering wheel washer and nut and tighten.

(1) Turn steering wheel from one extreme to the

Install horn button, connect horn wire at mast jacket,

other, noting total number of turns. Position wheel at

and. test operation of horn.

midpoint of travel (wheels straight ahead position).

e. Steering gear disassembly. As with any ball or roller

(2) Loosen lash adjuster locknut, and turn adjusting

bearing unit, the steering gear parts must be kept free of

bolt clockwise while noting lash through steering arm,

dirt. Clean paper or rags should be spread on the bench

until all lash has been taken up. With pull scale at

before starting disassembly of the steering gear.

steering wheel rim, tighten adjuster further until 2-3/4 to

3-1/4 pounds pull is needed to turn through center

(1) Loosen the locknut (see figure 6-11) on the lash

position. Tighten locknut.

adjuster bolt; then turn the lash adjuster a few turns

counterclockwise. This will remove the load from the

c. Steering wheel removal and installation.

worm bearings caused by the close meshing of the rack

and sector teeth.

(1) Remove four attaching screws and lift off horn

button assembly.

(2) Loosen the large locknut on the worm beading

thrust adjuster at the lower end of the steering column

(2) Remove steering wheel nut, and pull steering

and turn the thrust adjuster counterclockwise a few turns.

wheel from shaft with a steering wheel puller.

(3) Place a pan under the assembly to catch the

CAUTION

lubricant and remove the screws and washers attaching

the side cover to the housing.

Do not hammer on shaft to free wheel.

(4) Pull the side cover with the gearshaft from the

(3) Remove key from steering shaft.

housing.

(4) Install by reversing (1), (2) and (3) above.

NOTE

d. Mast jacket upper bearing removal and installation.

If sector gear of gearshaft does not clear the

opening in the housing easily, turn the

(1) Disconnect horn wire at connector on outside of

worm shaft by hand until the sector will

mast jacket.

pass through the opening in the housing.

(2) Remove horn button, then remove steering wheel

(5) Place the steering housing in a bench vise and

(c. above).

remove the upper worm bearing.

(3) Remove cover plate from mast jacket. Attach a

NOTE

piece of tie wire to the end of horn wire which enters the

mast jacket.

Do not clamp the housing too tightly in vise,

as damage may result from excessive

(4) Screw puller into top of mast jacket upper

pressure.

bearing.

(6) Draw the worm shaft and nut assembly from the

Tightening the center screw in the puller removes the

housing. Lay this assembly flat on the bench, so that the

bearing from the mast jacket.

ball nut will not thread down to either end. Damage will

be done to the ends of the ball guides if the nut is

allowed to rotate until stopped at the end of the worm.