Technical data

77
REMOVING THE DRIVEN HALF-PULLEY BEARING
- Check that there is no wear and/or noise; if not, replace.
- Remove the lock ring using two flat blade screw-drivers.
- Suitably support the pulley bushing from the threaded side
on a wooden surface.
- Remove the ball bearing as shown in the figure, using a pin
and a hammer.
- Suitably support the pulley.
Specific tooling
001467Y035 Bell
- Remove the roller bearing using the modular punch.
Specific tooling
020376Y Handle for punches
020456Y Ø 24 mm adaptor
020363Y 20mm guide
INSPECTING THE DRIVEN FIXED HALF-PULLEY
Version 125
- Measure the pulley bushing outside diameter.
- Check that the contact surface with the belt is free from
abnormal wear.
Characteristic
Standard diameter half-pulley
Standard diameter: Ø 40,985 mm
Minimum diameter half-pulley
Minimum admissible diameter: Ø 40,96 mm
OG U G
SC G U