Inspecting The Driven Fixed Half-Pulley - PIAGGIO MP3 400 i.e. Service Manual

MP3 400 i.e.
- Using the special tool inserted through the roller
bearing, pull out the ball bearing.
N.B.
PROPERLY SUPPORT THE PULLEY TO PRE-
VENT DAMAGING THE THREADING.
Specific tooling
020376Y Adaptor handle
020456Y Ø 24 mm adaptor
020363Y 20 mm guide
N.B.
IF YOU NEED TO OVERHAUL THE BEARINGS ON AN ASSEMBLED DRIVEN PULLEY UNIT, IT IS
NECESSARY TO SUPPORT THE UNIT BY THE BELL
Specific tooling
001467Y002 Driver for OD 73 mm bearing
- Remove the roller bearing using the special tool,
supporting the fixed half-pulley with the bell.
Specific tooling
020376Y Adaptor handle
020375Y Adaptor 28 x 30 mm
020364Y 25-mm guide
001467Y002 Driver for OD 73 mm bearing

Inspecting the driven fixed half-pulley

- Check that the belt contact surface is free from
wear.
- Measure the outer diameter of the pulley bushing.
Characteristic
Minimum admissible diameter
49.96 mm
Standard diameter:
49.965 mm
Engine
ENG - 9