Cummins/Onan — Storing the Plant for One Month
Maintenance · Complete plant
From a Cummins/Onan owner's manual — check it applies to your exact model before use.
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Procedure
- While running, spray M 4834 A Engine Preservative Oil (SAE 10) into carburetor air intake about two minutes.
- Open the throttle for a short burst of speed, then shut off ignition and continue spraying until engine stops.
- Leave the spark plugs installed and cover all engine openings with dust-proof caps or shields.
- Drain the oil, water, and gasoline.
- Spray flywheel and ring gear with one part M 4850 Bodies Anti-Rust Oil and one part M 4970 Stoddard Solvent.
Source: Cummins/Onan 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.