Removing The Driving Pulley - PIAGGIO Vespa LX 150 4T Euro 3 Service Station Manual

Vespa LX 125 - 150 4T Euro 3
Specification
Minimum width
Standard width

Removing the driving pulley

- Lock the driving pulley with the specific tool as
shown in the figure. - Disassemble the central nut
and the Belleville washer, remove the drive and
the 2 washers. - Remove the stationary half pulley
and the steel washer.
Specific tooling
020368Y driving pulley lock wrench
- Remove the belt and slide the movable half-pul-
ley with the relevant bush, taking care of the falling
free assembled rollers.
- Remove the return rollers plate with the relative
guide pads.
Inspecting the rollers case
- Check that the internal bushing is not abnormally worn and measure inner diameter.
N.B.
DO NOT LUBRICATE OR CLEAN THE BUSHING.
Specification
Maximum allowable diameter
Standard diameter
Specification
Minimum diameter permitted
Standard diameter
Specification
Minimum diameter permitted
Standard diameter
B
ELT SIZE
BUSHING ROLLER CONTAINER
BUSH SLIDE PULLEY
VARIABLE SPEED ROLLERS
Desc./Quantity
21.5 mm
22.5 ± 0.2 mm
Desc./Quantity
Ø 26.121 mm
Ø 26+0 +0.021 mm
Desc./Quantity
Ø 25.950 mm
Ø 26-0.020 -0.041 mm
Desc./Quantity
Ø 18.5 mm
Ø 26±0.1 mm
Engine
ENG - 13