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Generac NP-30G — Return Unit to Service After Storage

Operation · Generator storage

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

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

Before you start

  • DO NOT USE TAP WATER IN THE BATTERY

Procedure

  1. Check tag on engine for oil viscosity and classification; drain and refill with proper oil if necessary.
  2. Check battery, fill cells with distilled water and recharge to 100% state of charge or replace.
  3. Turn OFF all electrical loads, then start the engine.
  4. Let engine warm up.
  5. Apply electrical loads to at least 50% of the unit's rated wattage capacity.
  6. When engine is thoroughly warmed up, shut it down.

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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