PIAGGIO Beverly 300ie - Service manual > Drive-belt
- Make sure the drive belt is not damaged and does not show abnormal wear.
- Replace as indicated in the scheduled maintenance table.
Removing the driving pulley
- Turn the crankshaft until the ropes of the pulley are on a horizontal axis
- Insert the adaptor sleeve of the appropriate tool in the hole shown in the picture
- Insert the tool in the hollows and apply the retention ring
- Bring in the ring's clamping screws while keeping the tool to support the pulley
- Remove the fixing nut and the washer
- Remove the stationary drive pulley half.
Specific tooling
020626Y008 Driving pulley lock wrench
- Remove nut "1", Belleville spring "2", and washer "3".
- Remove the stationary driving half-pulley.
- Detach the drive belt from the crankshaft, remove the sliding bushing and the entire roller housing.
Inspecting the rollers case
- Check that the internal bushing shown in the figure is not abnormally worn and measure inner diameter A.
- Measure outer diameter B of the pulley sliding bushing shown in the figure.
- Check that the rollers are not damaged or worn.
- Check the guide shoes for the variator back-plate are not worn.
- Check the wear of the roller housings and of the belt faying surfaces on both pulley halves.
- Check that stationary driving pulley does not show signs of abnormal wear on the grooved edge and on the surface in contact with the belt.
- Check that the O-ring is not pushed out of shape.
CAUTION
DO NOT LUBRICATE OR CLEAN SINTERED BUSHINGS
Characteristic
movable driving half-pulley bushing: Standard Diameter
26.000 - 26.021 mm
movable driving half-pulley bushing: Maximum allowable diameter
Ø 26.12 mm
Sliding bushing: Standard Diameter
Ø 25.959 ÷ 25.98 mm
Sliding bushing: Minimum admissible diameter
Ø 25.95 mm
Roller: Standard diameter
Ø 19.5 - 20.1 mm
Roller: Minimum admissible weight
5.4 +- 0.15 g
Refitting the driving pulley
- Preassemble the movable half-pulley with the roller contrast plate by putting the rollers in their housings with the larger support surface touching the pulley according to the direction of rotation.
- Check that the roller contact plate does not have flaws and is not damaged on the grooved edge.
- Mount the complete bushing unit on the crankshaft.
- Fit the driven pulley/Clutch/belt unit on the engine.
- Fit the steel shim in contact with the bushing and the stationary drive pulley.
- Install the appropriate tool as described in the removal phase.
- ighten the nut with washer to the prescribed torque.
Specific tooling
020626Y008 Driving pulley lock wrench
Locking torques (N*m)
Drive pulley nut 75 - 83
Refitting the transmission cover
- Check that there are two alignment dowels and that the sealing gasket for the oil sump on the transmission cover is adequately fitted.
- Refit the cover and tighten the "12" screws to the specified torque.
- Refit the steel washer and the driven pulley nut.
- Tighten the nut to the prescribed torque using the lock wrench and the torque wrench tools.
- Refit the plastic cover.
Specific tooling
020423Y Driven pulley lock wrench
Locking torques (N*m)
Transmission cover screws 11 - 13 Driven pulley shaft nut 54 - 60
See also:
PIAGGIO Beverly 300ie - Service manual > Refitting the clutch
Support the driven pulley spring compressor specific tool with the control screw in vertical axis. Arrange the tool with the medium length pins screwed in position "C" on the inside. Introduce the adapter ring No. 11 with the chamfering facing upwards. Insert the clutch on the adapter ring. Lubricate the end of the spring that abuts against the torque server closing collar. Insert the spring with its plastic holder in contact with the clutch. Insert the drive belt into the pulley unit according to their direction of rotation. Insert the pulley unit with the belt into the tool. Slightly preload the spring. Make sure that the clutch is perfectly inserted into the adapter ring before proceeding to tighten the clutch nut. Place the tool in the clamp with the control screw on the horizontal axis. Fully preload the spring. Apply the clutch fixing nut and tighten it to the prescribed torque using the special 46x55 wrench. Loosen the tool clamp and insert the belt according to its direction of rotation. Lock the driven pulley again using the specific tool. Preload the clutch return spring with a traction/ rotation combined action and place the belt in the smaller diameter rolling position. Remove the driven pulley /belt unit from the tool.
PIAGGIO Beverly 300ie - Service manual > End gear
Removing the hub cover Empty the reduction oil through the drain screw "1". Undo the six screws "2", and the screw "3". Remove gasket "4" and make sure that alignment dowels "5" are adequately positioned.
