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VOL
VO
400049
Fig
.
4-130.
Stand and fixture for rear ax le
DESCRI PTION
The rear aXlle is
cmri,
e d in two support arms. The
supports arms a-re provioded with a couple of robust
bushes and are attached to the body. The
rear axle
housing is attached to the support arms with levers.
In order to take up the rear axle torque, there are
.fwo torque rods attached to the dnive shaft tubular
covers and to the body. A .frack bar prevents the body
and rea'r axl'e from moving si,deways in relation to
each other. The des.ign of the ,rear axle is shown in
Illustration 4
E.
The final ,drive -is of the hypoid type, that is to say,
the drive pinion lies -below the centre of the crown
wheet It
-
c onsists of the drive pinion,crown wheel
and
differenti-
ol gears. The gear ,backlash and
differ-
ential
,
c alirier bearing tensi'on are adjusted by means
of shims inside the diffenential carrie r bearings.
The differential canier and
,
t he crown wheel are jour-
nalle,d in the final drive housing by means of two
taper roller bearings. The crown wheel is bolted to
the differential carrier. The differential gears them-
4: 54
selves in the
differential,
carrier
consist of two bevel
pinions on a trunnion and two side gears in which
dnive shafts are carliield by
me-
ans of internai splines.
The differential gearsare journal led so
,
t hat they can
rotate and pe,rmit
,
t he drive shafts to rotare at dif-
fe,rent
speeds
when the car ,is being
,
d riven round
bends. There is a thrust washer under each of the
differential
gears.
The drive pinion is ca,rried in ·taper roller bearings.
The axial loca-tion of the drive
pini'
o n relative to the
crown wheel is a-djusted hy means of shims under the
outer race of the rear pinion bearings. Application of
the pinion bearings is by means of shims under the
front pinilon bea'ring inner ring. The outer end of each
drive shaft is journalle,d in a taper roller bearing.
Bearing cleOlrance is not a,djustable but lis determined
by the conskuction of the bearing,
se,
e Fig. 4-134.
There are oil seals on both sides of the drive shaft
bearings.
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