Table of Contents
Advertisement
VO LVO
1
02371
Fig
.
4-146. Rem ovin
g
the
d
ifferential
ca
rrier
bear
in
gs
l
.
Pull
er SYO 2483
dam
a
ged bearings a nd
bearin
g races sho
ul
d be re
-
pla ced.
Note that both parts of t he o uter ri.ng for lhe drive
shaft bearin
gs ·m·e
stuck togeth
e
r with ,new bearing
s.
This adh esion may
IlOos'
e
n
afte
rdriving for
some
tim e,
but
it
,do
es
not
inHuence
,~he
usabiltity
of the bearing.
Check
bot
h
,
t he
pin1
ion
driv,
e
and crown wheel
care-
fully for
damag,
e to th
e
teeth. The most damage is
sei
zing
gear
teeth. This
is cause'd by
incorrect
running-
rn, wrong oil, insufficient tooth Hank or faulty tooth
contact.
If the
cause
of the seizing
lis
not remedied
at an ea'rly stage, the
e
nhre gear
wheell
can be
damaged.
The
differential gears should also be examined for
damage to the teeth. They should be flitted
in
a dean
and drycondition lin the
,differen~ialcarrier
togeth
e
r
with the shafit ond thrust washers. Play should then
be
che'
c ked by
means
of marking blue behind both
the differential side gean. If the play
e
xceeds .06 mm
(.0024"), when
the
g'
e ars have been
I
rotated to maxi
-
mum play, replace with thicker
washers.
lhese are
availlabl,
e
,in
sizes .78 mm, .86 mm and .94
mm
(.031,
.034 and .038'').
Che'
c k also .fo s'ee whether the
cyl,indrical
part of the
Hang'
e which goes
into
the oilseal
,is worn
or
scrat-
ched.
If
this
,is
the case,
r,
e place the flange together
wi~h
theoil
sea!.
The pini'on
nut is
provided
with
a
$I1,it
for
lock,ing. In
time this sHt
,Ioses its lock'ing
effediv,
e
,ness.
For this
reason,
the nut should be
repla,
o ed
if it has
been
removed
a couple of
time'
s . The
washer under
the
nut
s·hould
also be replaced
if it has
become deformed.
Check the
oil
seals and ,replace
~hem
if
they me
damaged or worn.
Make
sure tha.f
ther,
e are no
c
racks
in
the
r'
e ar casing.
Fig. 4-147. Fittin
g
the differential gear
Check
t hat the bra.ckets for the support arms
an
d
track
rod 'ar,e intact.
Inspect
th
e drive shafts. DriYle shafts
whi ch
a re
warpe,d
or da maged i,n an
y
o~he'r
way should
be
replaoed
with new on es.
Examine the
oil
sea<ls and
repl,
a
ce
them
if
they are
daJffiag1
ed or worn
.
Check
the
rea,r
axl,
e casing for
cracks.
Check that the
braokets
for
<the
suppo
rt
arms
and track rod are
not
damaged.
ASSEMBLlNG
ASSEMBLlNG THE DIFFERENTIAL
l. Place the ,diHerential
side
gears
tog'
e :ther
with
the
thrust washers
'in
the
,diff,el1en~ial
carrier. Then
"roll" in both the
side
pinions simultaneousl.y with
th
e
di shed thrust
washers,
see Fig. 4-147.
2. Drive ,in
the
shaft.
Check the
differential!. If
ther,
e
is
any play, fit new thrust
wa,
s hers. Fit
,
t he
I ·ock
pin.
3.
Fit
the
·
c rown whee!.
Make
,
s ure
~h at
the contaGt
surfaces are
clean and without any burr. Tighten
the bolts to a tOlrque of
6.5-
9.0
kgm (47-65
IbJt.).
FITTING THE PINlON
l.
Clean the
mari<'ing
surface on the pinion
with
ex-
tremely
~ineemery
cloth. Fit the
adjust,ing ring
SYO 2847 and tool SYO 2841 ,on the pinion, see
!Fig. 4-148.
Plal
c e the
pin,
i on
in the carrier, see Fig.
4-150,
and secu·re the a,dj
usting
ring by screwing
in the lock
screw.
2.
The pinion
,
s
hou;ld have
a cerfain
nominal
measure-
4
: 59
Advertisement
Table of Contents
