Cummins/Onan — Bearing Removal and Lubrication
Maintenance · Generator end bearing
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan DQAD, Cummins/Onan DQAE, Cummins/Onan DQAF
Procedure
- Remove the four screws holding the bearing cap.
- Remove cap.
- Remove circlip.
- Remove bearing cartridge housing complete with bearing.
- When replacing bearing onto rotor shaft, apply pressing force to the inner face of the bearing only.
- Relubricate with lithium based grease, Mobilux No. 2 or Shell Alvania R3.
Specs & values
- Recommended Lubricant: Lithium based grease, Mobilux No. 2 or Shell Alvania R3
- Temperature Range: -22F to +248F (-30C to +120C)
- Quantity: 2.74 oz. (81 ml), equally divided between bearing, bearing cap cavity, and bearing cartridge cavity
Full service-parts list: Cummins/Onan DQAD →, Cummins/Onan DQAE →, Cummins/Onan DQAF →
Source: Cummins/Onan service 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.