Generac — Out of Service Protection / Storage Preparation
Maintenance · generator
From a Generac owner's manual covering: IMPACT 36, IMPACT-34 plus, Impact-36 plus. Check it applies to your exact model before use.
Applies to: Generac Impact-36 plus, Generac GN-220 engine
Before you start
- Never store battery on concrete or earthen floor
Procedure
- Start engine and let it warm up
- While warm, drain oil completely and refill crankcase with recommended oil
- Attach tag indicating oil viscosity/classification
- Remove spark plug, add about 1/2 ounce (15ml) clean engine oil into spark plug opening, crank engine several times, reinstall plug
- Remove battery and store in cool dry room on wooden board
- Clean and wipe entire generator
Full service-parts list: Generac Impact-36 plus →
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.