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D
E
4
AILY
URO
Differential unit refitting
Figure 57
Using a suitable punch, with a grip, drive the external ring (4)
for the front bearing into the axle housing (1).
Position stop ring (5) with 2 mm thickness and drive outer
ring (3) of rear bearing using a proper beater.
Determine bevel pinion position adjusting shim as described
above.
Remove the external ring (3) of the tapered roller bearing.
Position adjusting ring (2) having the calculated thickness, on
stop ring (5).
Refit the external ring (3) of the tapered roller bearing.
Figure 58
Lubricate the internal ring of the front bearing and position
it in the housing.
Using the key 99374022 (1) and grip 99370006 (2), mount
the pre-lubricated seal.
Determine bevel pinion rolling torque adjusting ring as
described above.
NOTE
The rolling torque of the bevel pinion must be
measured with lubricated bearings and seals.
Print 603.93.651
Figure 59
4
107983
Heat the internal ring (4) of the tapered roller bearing to
80°C ÷ 90°C for approximately 15 min. and drive it, with a
suitable punch, onto the bevel pinion (1).
Position the spacer ring (3) and adjustment ring (2),
calculated beforehand to obtain the required rolling torque,
on the bevel pinion (1).
Figure 60
51865
Position the axle housing as shown in the figure.
On the stand, set a pipe (3) of such diameter and length as
to provide a solid supporting surface for the flange (2) and
the internal ring (1) of the front bearing above, already
mounted in the axle housing.
79
REAR AXLE 450511
18252
51866
Base - March 2006
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