MOTO GUZZI CALIFORNIA JACKAL Werkstatt-Handbuch Seite 161

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20
3 WHEEL OVERHAUL
B
EARINGS
Before checking the dimensions, it is necessary to check
for the wear condition of the wheel hub bearings; this test
must be carried out manually with the bearing fitted in its
seat.
• Turn the inner ring in both directions: this must be
capable of turning softly and silently, without
interference.
• Push the inner ring outwards, continually changing
position, to check if there is backlash.
• Remove and replace the bearings which do not turn
softly and silently or which feature a backlash.
IMPORTANT
Excessive wear may be due to vehicle vibrations
and instability.
• To remove the bearing, use a hammer and a spindle
to exert pressure on the inner ring until the bearing is
extracted;
• Continually move the pressure point in order to extract
the part as linearly as possible.
IMPORTANT
Removed bearings must not be refitted.
• When new bearings are fitted, check that the seats
show no signs of denting or scratching.
• Lubricate the seat before refitting the bearing, then
push it in its seat.
• Use a tubular punch to exert pressure only on the
external bearing ring, until it is completely inserted.
N.B.
After every operation on the wheel, it is
advisable to balance it.
W
HEEL SPINDLE
Check the extent of the wheel spindle distorsion :
Turn the spindle on a checking plane and check the
maximum distorsion value using a feeler gauge;
• Operating limit over 100 mm: 0,2 mm.
W
HEEL PARTS