ACC181 Vittorazi Reduction Belt Torque Adjustment Spanner

Refer to the user manual for the correct belt tension settings and process.

Plus/Factory 13 Groove Belt 

New belt tension 5kg on spanner (500/520 Hz)

Thereafter 4kg on the spanner (430/450 Hz)

Classic/Silent 15 Groove Belt

New belt tension 3.5kg on spanner (450/520 Hz)

Thereafter 3.5kg on spanner (450/470 Hz)

Factory R 15 Groove Belt

New belt tension 5kg on spanner (500/520 Hz)

Thereafter 4kg on spanner (430/450 Hz)