72 SECTION 25 - FRONT AXLES
Screw the ring nut (10) in, using the wrench
380002218 for ring nut and for pinion retainer.
SWARNING
The torque setting is given by the preloading meas-
urement on bearings; tighten the ring nut (10) grad-
ually.
NOTE: if the tightening is excessive, the collapsible
spacer must be replaced and the procedure repeat-
ed. When you check the preloading, it is advisable
to beat slightly both pinion ends with a soft hammer,
so as to help setting the bearings.
Carry out the preloading measurement P of the pin-
ion taper roller bearings, using a dynamometer
whose cord is wound on the end of pinion spline.
The adjustment is carried out by increasing the ring
nut torque gradually, being careful not to exceed.
P = 9.2÷13.7 daN
SWARNING
All preloadings must be measured without the seal
ring.
Once the requested preloading value is achieved,
stake the ring nut, using a hammer and a chisel.
10
F27336
F27337
F27338
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