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Cummins/Onan — INNER

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

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Procedure

  1. 1. Urethane Foam Element Wash and clean the urethane foam with detergent. After cleaning, dry it. Clean the urethane foam element every 50 hours.
  2. 2. Paper element Clean by tapping gently to remove dirt and blow off dust. Never use oil. Clean the paper element every 50 hours of operation, and replace element set every 200 hours. Clean and replace air cleaner elements more often when operating in dusty environments. Do not wash elements with kerosene, gasoline or oil. ［CAUTION］ A dirty air cleaner element will cause starting difficulty, power loss, engine malfunctions, and shorten engine life extremely. Always keep the air cleaner element clean. (Model RGV4100, 6100) CLEANING AND ADJUSTING SPARK PLUG (a) If the plug is contaminated with carbon, remove it using a plug cleaner or wire brush. (b) Adjust the electrode gap. ELECTRODE GAP Electrode gap Model Spark plug RGV2800 RGV4100 NGK BR6HS PX6100/e NGK BR6ES Electrode gap
  3. 0.02 to 0.03 in. (0.6 to 0.7 mm)
  4. 0.03 in. (0.7 to 0.8 mm)

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.