- Use the special 46x55 wrench component No. 9
to remove the nut fixing the clutch in place.
- Dismantle the driven pulley components (Clutch
and spring with its plastic holder)
CAUTION
THE TOOL MUST BE FIRMLY FIXED IN THE CLAMP AND
THE CENTRAL SCREW MUST BE BROUGHT INTO CON-
TACT WITH THE TOOL. EXCESSIVE TORQUE CAN CAUSE
THE SPECIFIC TOOL TO BUCKLE.
Specific tooling
020444Y011 adapter ring
020444Y009 46x55 Wrench
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 EXHIBIT A CEN-
TRAL CONTACT SURFACE AND MUST NOT BE DIFFER-
ENT FROM ONE ANOTHER.
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
B 125-250 Engine
ENG - 109
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