Cagiva Navigator, Руководство по ремонту

Страница: 302 / 407

E.4
SUSPENSIONS AND WHEELS
The removed bearings must be substituted.
When re-assembling the new ensure that the bearing seat is clean
and free of grooves and scratches. Lubricate the seat then hammer
the bearing into place utilising an appropriate metal tube that is the
same diameter as the external ring of the bearing. Insert the spacer
and proceed to insert the next bearing, repeating the operation
described above.
Check the alignment of the bearings and introduce the wheel spindle.
Check the condition of the dust cap on wheels with traditional spokes.
If worn or damaged, replace it.
After each intervention on the wheels it is advisable to bal-
ance them.
FRONT WHEEL OVERHAUL
Carry out the radial and axial check on the wheel as shown in the
figure. The maximum movement values for this check fall into the
following categories:
Axial movement ............................................................. 0.5 [mm]
Eccentricity .................................................................... 0.8 [mm]
Bearing wear generally causes an excessive axial movement or
eccentricity.
Substitute the bearings in this case and if the problem persists,
substitute the wheel.
FRONT WHEEL BEARING SUBSTITUTION
The substitution of the bearings must be carried out in the following
way:
• Remove the washer on the right hand side of the machine.
Before starting this operation, it is advisable to remove the
brake discs. (see Chapter F).
• Place the hub on an appropriate worktop surface with a hole
through which the bearing can be removed.
• To extract the bearing from the hub, use a hammer and a cold
chisel to hit the inner ring of the bearing only.
• Continuously move the cold chisel around the bearing to allow a
balanced extraction.
• Slide out the spacer and proceed in the same way for the other bearing.