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STEERING
19-5
WORMSHAFT AND
1
BALL NUT
ASSEMBLY
62x468
Fig. 9-Removing
the Worm Shaft and
Ball
Nut Assembly
down t o either end o f t h e wormshaft as the ball
guide ends can
be
damaged
if
t h e ball nut is al-
lowed t o rotate until stopped at t h e end of t h e worm.
(9)
Carefully remove the worm and ball nut assem-
bly (Fig. 9).
The ball nut and wormshaft are serviced as an as-
sembly only, and are not to be disassembled. Do not
remove or disturb the ball return guides.
B
Fig. 1 &Removing
the Cross Shaft Inner and
Outer Bearings
NOTE: Place t h e ball nut and wormshaft assembly
in a clean place, and cover it t o keep it clean.
(10) Remove the cross shaft needle bearing (if
so
equipped) by placing the steering gear housing in an
arbor press; insert Tool C-3875 for AR1 and AR2
models and Tool C-3786 for AP1 and AP2 models with
adapter ring in the lower end of the housing (Fig. 10)
and press both bearings through the housing. For Tool
C-3786 no adapter ring is required.
CAUTION: T h e adapter ring must
be
used
with
re-
mover and installer arbor, Tool C-3875 otherwise
t h e bearings will be crushed.
NOTE: Housings equipped
with cross
shaft bushings
are serviced
in assembly only. The cross shaft cover
assembly, including a needle bearing o r bushing,
is serviced as an assembly.
(11) Remove the wormshaft oil seal from the worm-
shaft bearing adjuster, by inserting a blunt punch be-
hind the seal and tap alternately on each side of the
seal until the seal is driven out of the adjuster.
(12) Remove the wormshaft upper bearing cup for
AR1, AR2, AV1 and AV2 models in the same manner.
For AP1 and AP2 models there is a spacer behind
the bearing cup. However, this must be done carefully
to avoid cocking the bearing cup and distorting the
adjuster counterbore.
(13) Remove the lower cup if replacement is neces-
sary by positioning the locking puller head jaws of
puller Tool C-3868 (Figs.
11
and 12) behind the bear-
ing cup and expanding the puller head by pressing
down on the center plunger of tool. Withdraw the
n
PULLER
WORMSHAFT
BEARING
LOWER CUP
Fig. 1 1-Removing
the Lower Bearing C u p -
A V I , AV2, ARl and AR2 Models
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