What service should I do weekly on my genset?

This depends somewhat on the application of your genset (Prime or Standby) but typical daily and weekly services include:

Prime Power
Daily Weekly

Control Panel check

Coolant Level check

Air cleaner service indicator check

Oil level check

Drain fuel/water separator

Drain fuel tank water and sediment

Test/Record Generator bearing temperatures

Generator Load Check

Power Factor Check

Walk Around inspection

Automatic start/stop inspection

Battery Charger check

Electrical Connections check

Generator Inspection

Generator Leads check

Space heater test

Stator Winding temperature check

Voltage and Frequency Check

 

Standby Power
Daily Weekly

Control Panel check

Coolant Level check

Oil level check

Generator Load Check- if running/testing

Power Factor Check- if running/testing

Walk Around inspection

Automatic start/stop inspection

Battery Charger check

Battery Electrolyte level check

Electrical Connections check

Air cleaner service indicator check

Drain fuel/water separator

Drain fuel tank water and sediment

Test/Record Generator bearing temperatures

Space heater test

Stator Winding temperature check

Voltage and Frequency Check