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Generac NP-30G — Out of service protection (storage)

Maintenance · Generator

For the Generac NP-30G, from the Generac owner's manual.

Applies to: Generac NP-30G, Generac GN-220 engine

Before you start

  • Never store the battery on any concrete or dirt floor.

Procedure

  1. Start the engine and let it warm up.
  2. While still warm, drain the oil completely, then refill crankcase with recommended oil.
  3. Attach a tag to the engine indicating the viscosity and classification of the oil.
  4. Remove spark plug and add about 1/2 ounce (15ml) of clean, fresh engine oil into the spark plug threaded opening.
  5. Crank engine several times to distribute oil, then install and tighten spark plug.
  6. Remove the battery and store it in a cool, dry room on a wooden board.
  7. Clean and wipe the entire generator.

Specs & values

  • Prepare for storage when out of service longer than 30 days.

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.

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