Generac — OFF=60Hz

For these Generac models: 04916-0, Air-cooled 11 kW Generators.

Procedure

2 - SPARE
1 - ON=50Hz

Source: manual:GeneracPowerSystems0049160UsersManual559844.1133830900.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.