Section Ill. STEERING GEAR
adjusting screw which extends through the housing cover.
The teeth on the sector andthe ball nut are so designed that
The steering gear is designed to provide easy steering. A
a tighter fit exists between the two when the front wheels
ball nut travels up or down on the wormshaft, riding on
are straight ahead. Proper engagement between the sector
recirculating balls which act as a screw thread. The worm-
and the ball nut is obtained by an adjusting screw which
shaft and ball nut assembly is supported in the gear housing
permits the desired engagement of the tapered teeth of the
by an adjustable ball thrust-type upper and lower bearing.
ball nut and sector gear. The worm bearing adjuster can be
The sector shaft is integral with the sector gear. The sector
turned to provide proper preloading of the upper and lower
gear meshes with the rack teeth on the recirculating ball nut.
Adjustment at this point is controlled by the sector shaft