Leonardo 250-300 Repair Manual 2004 - Wheels Academy

LEONARDO 250 - 300
CYCLE PARTS
7.5.3. CHANGING THE BEARINGS
WARNING
The bearings must be checked and if necessary
changed every time they are removed.
• Clean the two sides of the hub with a cloth.
Disassembly
Work on the left side of the vehicle:
• Insert a punch (not pointed) in the wheel hub, act on
the inner ring of the right bearing (1), changing the
contact points in rotation (90°), in order not to misalign
the bearing itself.
• Extract the right bearing (1).
• Extract the spacer ring (2).
Work on the right side of the vehicle:
WARNING
Keep the punch perpendicular to the bearing
(coaxial to the wheel axis), in order not to misalign
and damage the bearing itself.
• Insert a punch with 15 mm diameter in the wheel hub
and place it on the inner ring of the left bearing (3).
• Strike the punch more than once and not too violently
with a rubber hammer and extract the bearing.
Reassembly
• Work on the right side of the vehicle:
• Rest the bearing on the wheel hub.
WARNING
Keep the punch perpendicular to the bearing
(coaxial to the wheel axis), in order not to misalign
and damage the bearing itself..
• Put a punch with 31 mm diameter on the outer edge of
the bearing.
• Strike the punch more than once and not too violently
with a rubber hammer and insert the right bearing (1)
completely.
• Insert the spacer ring (2).
Work on the left side of the vehicle:
• Repeat the first three operations for the left bearing (3).
WARNING
Check the centering of the bearings with
respect to the wheel hub.
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