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5-14
REPAIRS
REAR
AXLE ASSEMBLY
(184)
2. Before
installing diff
erenti al bearing,
ex-
amine bearing
seat on
differ ential
case for
bur rs
or
scores. Remove high metal
with a mill
file
and coat seat with engine oil or white lead.
Figure 5-12-lnstalling Differentia
l
Bea ring Using Replacer J 2242
3. Install bearing, using
Replacer
J 2242,
which is designed to pilot in
the
case and bear
squarely
against bearing inner
race.
See figure
5-12.
Bearing must be pressed tight against
shoulder on case.
Figure
5-1
3-Removal
of
Ring
Gear
Rivets
5-14 REPLACEMENT OF RING
GEAR
(IF NECESSARY )
1.
Center punch
all ri
vet heads
on ring
gear
side, placing
ma rks
in
center
of
heads. Dr ill
rivet approxim ately
Y2"
deep with
1,4"
drill.
See figur e
5-13.
2. Whil
e
supporting flange of differential
case on suitable block
, insert
punch in drilled
hole
and
drive
each
rivet
out; rivets will be
easily parted when
driven
out.
NOTE:
When
rivets
are
in
stalled,
th
ey expand
more in
the
softer
case than in th
e
harder ring gear.
I
f
ri
v ets
ar
e drilled
and
dri ven out
from case side,
m
etal is
sheare d f
rom
surface of rive ts by
shar p edge of holes
in
gear. See
figure 5-14.
This
not
only makes
removal
more difficult but
will
distort
the case /lang
e
so tha
t
a n
ew gear
installed. on
case wi
ll not run true.
Figure
5-14-Gear
Imp
rop erly
Removed
3. After removal of
gear,
check machined
face of case flange for burrs, particularly
around
rivet holes. Clean off all burrs with a
mill file. Place case in Test Fixture
U4-B
and
check run-out of machined surface of flange
with dial indicator. See figure
5-15.
Case may
be located in fixture upon side bearings as
illus-
trated,
or upon
bearing
seats if bearings are
re
moved
from case.
If
r
un-out
exceeds .002",
the flange must be trued up in a
lathe
to not
over .002"
run-out.
4. Check
matching
numbers on new ring
gear and pinion to make
sure the
two parts
Figure 5-15
- Checking
Run-Ou t
of Ca
se
Flange in Fixture U 4-B
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