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14
Chapter Il—Steering Gear
STEERING SHAFT
di
BALL Kut
RM-667
Fig. 4—Aligning Ball Nut on Steering Tube Shaft
it is 4g inch below the face of the hub. Press the new outer bushing
into the housing until it is level with, or slightly below, the bottom
of the counterbore. Line ream both bushings in place to 1.125-1,126
inches in diameter.
124, ASSEMBLY.
Assembly
should be accomplished
only when
inspection
shows
that every part is in a serviceable condition.
a. Steering Tube Shaft and Ball Nut. Place the steering shaft
on a bench and position the nut over the middle section of the worm
with the ball retainer holes on top. Align the ball retainer holes with
the grooves in the worm on the steering shaft (fig. 4). Drop 20 balls
into one of the retainer holes, then slowly rotate the steering shaft
to carry the balls away from the hole. Continue dropping the balls
into the hole until the ball circuit is full to the bottom of both holes
or until the end of the steering shaft worm has been reached. Where
the balls were stopped by the end of the worm, they should be held
in position with a clean, blunt tool while the steering shaft is rotated
in the opposite direction. This will make it possible to drop more balls
into the retainer hole. Extreme
care should be exercised to make
certain that no balls are outside the regular ball circuits. If balls
§ 124. a.
3730-47]
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