Generac NP-66G — Starting the Generator
Operation
For the Generac NP-66G, from the Generac owner's manual.
Applies to: Generac NP-66G, Generac GN-480 engine
Before you start
- If engine does not start after cranking for 15 seconds, release the start/stop switch and try again. Holding longer than 15 seconds can damage the starter motor.
- Exhaust gives off deadly carbon monoxide gas.
Procedure
- Turn OFF all electrical loads.
- If not started in more than two weeks, press Fuel Pump Primer switch and hold about 30 seconds.
- Hold start/stop switch at START; release when engine starts.
- Let engine run at no-load a few minutes to stabilize and warm up.
- Turn ON electrical loads.
Full service-parts list: Generac NP-66G →
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.