B = diameter 30 - 0.010 -0.023 mm
C = diameter 15 - 0.01 -0.02 mm
Connection diameter for shaft driven pulley:
D = diameter 17 - 0.01 -0.02 mm
E = diameter 20 - 0.01 -0.02 mm
F = diameter 25 - 0.01 -0.02 mm
Inspecting the hub cover
- Check that the mounting surface is not damaged or deformed.
- Check the bearing bearings.
In case of faults, replace the hub cover.
Refitting the driven pulley shaft bearing
- Heat the crankcase using the heat gun.
Specific tooling
020151Y Air heater
- Insert the driven pulley shaft bearing until it abuts
against the bottom of the seat using the special
tool.
N.B.
PLACE IT WITH THE BALLS FACING THE HUB
(THIS APPLIES TO BEARINGS WITH PLASTIC
CAGE).
Specific tooling
020376Y Adaptor handle
020360Y 52 x 55 mm adaptor
020364Y 25 mm guide
Fuoco 500 i.e. Engine
ENG - 23
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