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Cummins/Onan — Every

A Cummins/Onan service procedure — check it applies to your exact model before use.

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Procedure

  1. 8 hours (Daily) Every
  2. 20 hours Every
  3. 50 hours (Weekly) Every
  4. 200 hours (Monthly) Every 500 hours Every 1000 hours CLEAN GENERATOR AND CHECK BOLT AND NUTS ● (Daily) CHECK AND REFILL ENGINE OIL CHANGE ENGINE OIL (*Note1) ● (Initial) ● CLEAN SPARK PLUG ● CLEAN AIR CLEANER ● REPLACE AIR CLEANER ELEMENT ● CLEAN FUEL STRAINER ● REMOVE CARBON FROM CYLINDER HEAD (*Note 2) ● CHECK AND ADJUST VALVE CLEARANCE, (*Note 2) ● CLEAN AND ADJUST CARBURETOR (*Note 2) ● REPLACE FUEL LINES ● (Yearly) OVERHAUL ENGINE (*Note 2) ● CLEAN AND ADJUST SPARK PLUG AND ELECTRODES ● REPLACE SPARK PLUG ● ●(Refill daily up to upper level) SPARK ARRESTER ●(Every 100 hours) (Every 100 hours)

Source: manual:914-0109 Onan EGMBM Operators Manual (4-2008) .pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.