Belt Tensioning - Vittorazi Motors Moster 185 Plus Maintenance Manual

3.12.8 Belt tensioning

Loosen the hexagonal screw M8x16 on the eccentric.
Loosen the Allen screw M6x35 on the side of the eccentric.
Turn the eccentric to tension the belt until the oscillation frequencies indicated in the table are
achieved (use a frequency meter or mobile phone application).
Version
Plus
(13 grooves belt)
Tighten the screw M8x16 to 25 Nm.
Replace the screw M6x35 every 3 belt retightenings. Only replace with original Vittorazi
components.
Tighten the screw M6x35 to 12 Nm.
Manually turn the pulley a few turns.
Check the belt tension again, retighten if necessary
Moster 185 Plus - Maintenance manual - V1
First installation
500-520 Hz
Retensioning
430-450 Hz
107