Repair Manual

33
REAR BEARING ELEMENTS
33 - 15
PLATE DRIVE REAR AXLE DIFFERENTIAL
- place continuos sealant material layer on the whole contact surface of the rear axle
taking care not to close the attachment wholes of differential casing;
- mount the differential assembly and tighten the screws at the required couple of
2 - 2,5 daNm.
NOTE: The interchangeable of the gasket with the layer is not affected.
DIFFERENTIAL REMOUNTING – ADJUSTMENT
Continue the attachment and mounting of the following items :
- the new adjustment bushing of the bearing;
- the 30 x 72 x 28,75 conical balls bearing;
- the deflector ;
- the 42 x 72 x 12 annular oil seal.
Attach and tighten:
- the washer;
- the flange nut.
NOTE: When assembling the cardanic flange, check the wear degree of the surface
in contact with the annular oil seal.
After remounting , the rear axle must be sealed.
The sealing test is performed by blowing air at a 0,15 – 0,20 bars pressure through
the aeration valve seat.
No air leaking is accepted.
T
IGHTENING MOMENTS
- The screws for the attachment of gear rim to the differential box ..............9- 11 daN.m
- The two screws of the differential bearings adjustment nuts lock washer........ 2 daN.m
- The four nuts of the attachment stud bolts of the bearing cups..............3,5 - 5 daN.m
- The differential drive pinion nut tightening moment ................ .........9 - 11 daN.m
ATTENTION: After tightening ,the nut shall be locked by straining.
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