Cummins/Onan — Generator Ball Bearing Service
Maintenance
From a Cummins/Onan owner's manual — check it applies to your exact model before use.
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Before you start
- Be sure that no dirt gets into the bearing.
Procedure
- Remove the plate from the housing rear end.
- Clean all dirt from around the generator bearing cover and remove the cover and gasket.
- Remove the old lubricant from the bearing with a clean finger.
- Work about one tablespoon of new ball bearing lubricant into the bearing and remove it again.
- Refill the bearing housing about one half full of bearing lubricant, packing it well into the lower half.
- Reinstall the bearing cover, using a new gasket if necessary.
Specs & values
- Each 6 months or 1200 operating hours, whichever occurs first
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.