Removing The Clutch - PIAGGIO NRG Power Purejet Workshop Manual

Engine

Removing the clutch

- Equip the tool with long pins screwed into position
«A» from the outside, insert the entire driven pulley
in the tool and put the central screw under stress.
CAUTION
THE TOOL WILL BE DEFORMED IF THE CEN-
TRAL SCREW IS TIGHTENED UP TOO FAR.
- Using a 34 mm socket wrench remove the clutch
locking nut.
- Loosen the central screw thereby undoing the
driven pulley unit
- Separate the components.
Specific tooling
020444Y Tool for fitting/ removing the driven
pulley clutch
Inspecting the clutch
- Check the thickness of the clutch mass friction
material.
- The masses must not show traces of lubricants;
otherwise, check the driven pulley unit seals.
N.B.
UPON RUNNING-IN, THE MASSES MUST EX-
HIBIT A CENTRAL CONTACT SURFACE AND
MUST NOT BE DIFFERENT FROM ONE AN-
OTHER.
VARIOUS CONDITIONS CAN CAUSE THE
CLUTCH TO TEAR.
CAUTION
DO NOT OPEN THE MASSES USING TOOLS
TO PREVENT A VARIATION IN THE RETURN
SPRING LOAD.
Characteristic
Check minimum thickness
1 mm
ENG - 4
NRG Power Purejet