Repair Manual

MANUAL GEARBOX
21
21 - 35
Tighten the adjustment nuts by means of the CV
377 wrench, until they come into contact,with the
outer rings of the bearings.
1. REUSED BEARINGS
The reused bearings shall be mounted freely, without clearance.
Tighten the adjustment nuts until the bearings rotate freely, without any clearance.
The new bearings shall be mounted by
pretightening.
Tighten the adjustment nuts until the bearings
show a ce rtain resistance to rotating.
Check the pre-tightening of the bearings as
follows:
- rotate the differential gear several times, in
order to set the bearings;
- place a thread around the differential gear
casing and draw the thread by means of a
dynamometer; the differential gear should rotate
at a 1 - 3 daN force.
NOTE:
For both types of bearings , the nut (1) in the right side half crankcase shall be
tighten more, in order to obtain a bigger clearance of the tooting.
REPAIR
2. NEW BEARINGS
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