Place top bearing cone
(10)
on shaft
(2)
to
mate
with top bearing cup
(9).
Install washer
(1 1)
and nut
(12)
on shaft
(2)
and
tighten until all bearing free play is removed and
there is a slight drag (similar
to
adjusting the front
wheel bearings on an automobile). Check by
spinning spindle.
It
should turn freely.
Be careful not
to
over-tighten bearings. Proper
bearing adjustment is essential
to
good bearing life.
Should you over-tighten bearings, hold spindle
housing and rap spindle shaft with a lead hammer
to
loosen bearings. Adjust
to
obtain proper setting.
IMPORTANT NOTICE
Improper posltlonlng of seals can cause seal
fallure.
Proper
installation is important.
An
improperly
installed seal will leak and could cause bearing
failure. Coat area of housing where seals seat,
lightly, with Permatex.
Pull the rubber portion of seal back and locate
spring.
Apply a thin
of lubricant to bottom seal and
install with spring up toward center of housing.
Place seal squarely on housing. Select a piece of
pipe or tubing with an outside diameter that will set
on outside edge of seal. A tube that
is
too small will
bow seal cage.
Carefully press seal into housing, preventing
distortion to metal seal cage. Seal should seat firmly
and squarely against the machined shoulder
in
housing.
Make sure seal lip did not roll under. Distortion to
seal cage or damage to seal lip will cause seal to
leak. Damaged seals must be replaced.
Lubricate spindle with a medium grade grease.
Rotate housing on spindle shaft, checking for free
movement.
When desired adjustment is obtained, secure nut
in
position with cotter key and install dust cap (13).
Drive Spindle
Installation
Place key in shaft and position pulley on spindle
shaft
with
split taper bushing
so
the center line of
the pulley is 2-13/16
,-0)
from the top rear
face of the spindle housing.
Alternately tighten split taper bushing bolts
to
secure pulley in proper alignment. Continue
alternate tightening sequence until assembly is tight
and all
are torqued to
12
ft-lbs.
Check drive pulley
and
adjust
necessary. When
aligned, peen keyway to prevent key from working
out.
Universal Joint Repair
(figures
23)
6
1.
Yoke
2.
Journal cross
3. Seal
4.
Snap ring
5.
Cup and bearings
6. Yoke
Figure
18.
U-Joint Exploded
View
Disassembly
1.
Remove snap rings from inside of yokes in four
locations as shown
in
figure
19.
Flgure
19
24
(1 0-89)
Summary of Contents for RM752A
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