Generac PRIMEPACT 66G / PRIMEPACT 66LP — Out of Service Procedure - Return to Service
Maintenance · Generator (storage)
For the Generac PRIMEPACT 66G / PRIMEPACT 66LP, from the Generac owner's manual.
Applies to: Generac PRIMEPACT 66G, Generac PRIMEPACT 66LP, Generac GN-480 engine
Procedure
- Check tag on engine for oil viscosity/classification; drain and refill if needed
- Check state of battery; fill unsealed batteries with distilled water; recharge to 100% or replace
- Clean and wipe entire generator
- Reconnect battery observing polarity
- Turn off all electrical loads, add fuel if necessary, start engine
- Allow unit to warm up thoroughly
- Apply electrical loads to at least 50% of rated wattage capacity
- Shut down when thoroughly warmed up
Full service-parts list: Generac PRIMEPACT 66G →, Generac PRIMEPACT 66LP →
Source: Generac owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.