PIAGGIO 633929(IT) - Inspecting the Driven Sliding Half-Pulley; Movable Driven Half-Pulley Dimensions

Inspecting the driven sliding half-pulley
- Remove the two internal grommets and the two
O-rings.
- Measure the movable half-pulley bushing inside
diameter.
Characteristic
Movable driven half-pulley max. diameter
Max. diameter admitted: Ø 41.08 mm
Movable driven half-pulley standard diameter
Standard diameter: Ø 41.000 ÷ 41.035 mm
- Remove the two internal grommets and the two
O-rings.
- Measure the movable half-pulley bushing inside
diameter.
- Check that the faying surface with the belt is not
abnormally worn.
- Check the riveted joints are functional.
- Check the evenness of the belt faying surface.
MOVABLE DRIVEN HALF-PULLEY DIMENSIONS
Specification Desc./Quantity
Wear limit 0.3 mm
standard diameter Diameter 41.000 - 41.035 mm
maximum allowable diameter Ø 41.08 mm
- Remove the belt and slide the movable half-pulley with the relevant bush, taking care of the falling
free assembled rollers.
- Remove the return rollers plate with the relative guide pads.
Engine MP3 125
ENG - 8