Removing the driven half-pulley bearing
- Check there are no signs of wear and/or noisi-
ness; - Replace with a new one if there are.
- Remove the retaining ring using two flat blade
screwdrivers.
- Support the pulley bushing adequately from the
threaded side using a wooden surface.
- Using a hammer and pin, knock the ball bearing
out as shown in the figure.
- Support the pulley properly using the bell as
shown in the figure.
Specific tooling
001467Y035 Belle for OD 47-mm bearings
- Remove the roller bearing using the modular punch.
Specific tooling
020376Y Adaptor handle
020456Y Ø 24 mm adaptor
020363Y 20 mm guide
Inspecting the driven fixed half-pulley
- Measure the outer diameter of the pulley bushing.
- Check the contact surface with the belt to make
sure there are no flaws.
Characteristic
Half-pulley standard diameter
Standard diameter: Ø 40.985 mm
Half-pulley minimum diameter
Minimum admissible diameter: Ø 40.96 mm
Engine X9 Evolution 125
ENG - 94
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