Refitting the driven half-pulley bearing
- Assemble a new roller case using the specific
punch, fit the bearing with the label facing outward
and insert it completely up to the punch on the half-
pulley.
NOTE
REST THE HALF-PULLEY ON A WOOD SURFACE TO
AVOID DAMAGING THE THREADED RINGLET OF THE
DRIVEN PULLEY UPON REMOVING IT.
Specific tooling
020424Y Driven pulley roller casing fitting
punch
- To assemble the new ball bearing insert it com-
pletely down in its housing with the specific punch
and finally assemble the Seeger ring.
Specific tooling
020375Y 28 x 30 mm adaptor
020376Y Adaptor handle
020439Y 17 mm guide
Refitting the driven pulley
- Check that the faying surfaces between the 2
half-pulleys and the belt do not show any signs of
wear, scoring and grease.
- Insert the new oil seals and O-rings on the mov-
able half-pulley.
- Assemble the half-pulley on the ringlet with the
appropriate protection sheath.
- Make sure the pins and collar are not worn, re-
assemble the pins and collar.
- Use a greaser with a curved spout to lubricate the
driven pulley unit with around 6 g of grease. This
operation must be done through one of the holes
inside the bushing until grease comes out of the
opposite hole. This operation is necessary to avoid
the presence of grease beyond the O-rings.
Specific tooling
SPORTCITY ONE 125 Engine
ENG - 71
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