Fiat 411 R - Bevel Pinion and Ring Gear Adjustment

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— the assembly of the taper roller bearing inner
* races on the casing should be made after
heating the bearings in an oil bath ‘co a tem-
perature of 80° to 90° C; the same procedure
5 applies to two bearings and to the power take-
off driving gear, on the bevel pinion shait (2,
_; Fig. 109);
- -.._>...i.4_=........ ...
~— the differential lock control spring is installed
" as shown by the Fig.10'I, using tool A 23"i'lI}33.
To facilitate the reassembling of the differential
case to the gearbox, we suggest placing very near
I to the shaft {Font ends -— by manoeuvering the
l relevant levers —— ihe power ts5<e~0fi driven gear
Bevel pinion and ring gear adiustmeni.
lowed:
a) bevel pinion shaft bearing adiuslment;
1 b) differential case bearing adjustment;
‘ c) tooth bearing adjustment;
cl} tooth backlash adjustment.
l The sequence of operations is as follows:
al lr:-stall the bevel pinion shaft and its bearing,
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Fig. 1113. - Rear transmission sectional view.
R: 7 Ring gear shaft adjusirnent shims - a = Drive wheel
shaft and spacer, up io iracior no. 4-33¢S5§.
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Fig. ‘E11. - Bevel pinion and gear correct tooth hearing.
and the reduction gear engagement sieeve.
When chécking or replacing the bevel pinion and gear, the following adjustmeni sequence should be iol~
the power take-off driving gear, the spacer and the
adjustment shims Ra (Fig. 106}. To calculate the shim thickness, subtract from 58,5 to 59,5 mm
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