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 Transmission
9803/3280
Section F
82 - 2
Issue 1
Front Axle - SD55
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