Generac NP-30G — Change engine oil
Maintenance · Engine crankcase
For the Generac NP-30G, from the Generac owner's manual.
Applies to: Generac NP-30G, Generac GN-220 engine
Parts for this job
- 70185 Oil filter Amazon eBay $18.99 NAPA $9.09 KuduParts $11.00
Part numbers from the service-parts list for Generac NP-30G. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Warm up engine for at least five minutes, then shut down.
- With engine still warm, clean area around oil drain plug and remove oil drain plug.
- Drain oil completely into a suitable container.
- Install and tighten drain plug.
- Remove oil dipstick and fill crankcase with recommended oil.
- Install and tighten dipstick cap before operating the engine.
Specs & values
- Engine crankcase holds about 1 quart (950ml).
- Change oil after the first 8 hours, then every 50 operating hours.
- DO NOT FILL ABOVE FULL MARK.
Full service-parts list: Generac NP-30G →
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.