82 - 2
Drive Head - Dismantling (cont’d)
1
Drain the oil from the drive head. Remove the propshaft.
2
To remove the drive head it is necessary to withdraw
both drive shafts from the axle.
3
Remove the drive head carrier screws
1
. Mark the
installation position of drive head carrier
2
relative to the
axle housing.
4
Remove the drive head carrier from the axle housing.
5
Pull out the roll pins
3
and remove the castellated nuts
4
. Remove the outer races of bearings
5
and
6
from the
drive head carrier bores.
6
Remove inner bearing races of
5
and
6
.
7
Remove differential assembly
8
from carrier.
8
Loosen the differential case half bolts
7
and pull the
case halves
8A
and
8B
apart. Remove the axle bevel
gears
9
, the differential bevel gears
10
, trunnion pin
11
and thrust washers
12
from the case halves.
9
Remove the thrust washers
13
from both case halves.
10
Pull off the bearing
6
from case half
8A
.
11
Remove the Verbus Ripp bolts
14
and separate the
crownwheel
15
from the case half
8A
.
12
Remove pinion nut
16
. Use Service Tool 892/00812 to
prevent drive yoke
18
from rotating.
13
Mark the position of the drive yoke on the splined shaft.
Remove the drive yoke.
14
Drive pinion shaft
20
out of drive head carrier
2
.
15
Prise shaft seal
19
out of the bore.
16
Remove taper roller bearing
21
and tap out the outer
bearing race.
17
Tap out the outer race of bearing
22
from the opposite
bearing housing and remove the drive pinion shim(s)
23
.
18
Remove spacer
24
from drive pinion
20
. Prise taper
roller bearing
22
to raise it sufficiently to insert bearing
pullers. Pull the bearing from the pinion shaft.
Section F
9803/3280
Section F
82 - 2
Issue 1
Front Axle - SD55
