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THE REAR
AXLE
H
(3) Assemble
the
pinion and rear bearing with a washer
of known thickness
behi
nd
the
pinion
head.
(4)
Position
the pinion in the gear carrier without the
shims,
bearing
spa~r.
and oil
seal.
(5)
Fit the inner ring
of
the front bearing and the
universal joint driving flange and tighten the nut
gradually
until
a
bearing preload of
I
0
to
12
lb. in.
{·12
to
· 14
kg.
m
.) is
obtained.
(6)
Remove
t.
h e keep
disc
from
the
base of
the
magnet.
Adjust the dial
indicator
to zero on the
machined
step 'B' of the setting block.
(7) Clean
the pinion head and place the magnet and
dial indicator in position
(Fig.
H.7). Move the
indicator
arm
until
the
foot
of the gauge rests on
the centre o
f
the
differential
bearing bore
at
one
side and tighten the knurled locking
screw.
Obtain the maximum depth
reading
and note
any variation from the
zero
setting.
Repeat the
check
in
the opposite bearing bore. Add the two
variations together and divide by two to obtain a
mean reading.
(8) Take into consideration any variation in
pinion
head
thickness.
This
will be
shown
as an
un-
braclceted figure etched on the
pinion
head and will
always
be
minus
(
-
).
If no
unbracketed
figure is
shown
the pinion
head is of nominal thickness.
Using the mean clock gauge
reading
obtained
and the unbracketed pinion head figure
(if
any),
the
following
calculation
can
be
made.
(a)
If
the
cloek
readlDg
is
minas
add
the clock
reading to the pinion
head
marking, the
Fig.
H .6
&
tting
the
gQl/ge to zero on the spe6ol block for
detumination of the
pinion
p o<ition. The
arrow
lndl~ate<
the extension to the contact foat
M GA
(Twin
Cam). Issue
2.
23026
Fig. H.1
The
gouge in position on
the
pinion with tire dial
Indicating a >oriotion from
the
standard setting
resulting sum
being'
minus.
Reduce
the washer
thickness by
this
amount.
Example:
Clock
reading
- ·002
in.
Pinio
n
marking
-
-<lOS
in.
Variation from nominal
-
·007
in.
Reduce
tbe
.,.sber thickness by
Ibis
amount.
(b)
If the clock
reading
is
plus
and
numerically less
than the pinion marking.
reduce
the
wash~r
thickness by the d ifference.
Example:
Pinion marking
- ·005 in.
Oock reading
+
-()())
in.
Variation from nominal
-
-O<l2
in.
Reduce IM
...mer lhic.kDess
by
this
amount.
11.1
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