Cummins/Onan PCC Control 3100 Series — Bearing Removal and Lubrication
Maintenance · Generator end bearing
For the Cummins/Onan PCC Control 3100 Series, from the Cummins/Onan service manual.
Applies to: Cummins/Onan DFAA, Cummins/Onan DFAB, Cummins/Onan DFAC, Cummins/Onan DFBF, Cummins/Onan DFCB, Cummins/Onan DFCC, Cummins/Onan DFCE, Cummins/Onan DFE
Procedure
- Remove the four screws holding 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.
- Re-lubricate or replace the bearing; grease should be equally divided between the bearing, bearing cap cavity, and bearing cartridge cavity.
Specs & values
- Recommended lubricant: Lithium based grease, Mobilux No. 2 or Shell Alvania R3
- Temperature range: -22°F to +248°F (-30°C to +120°C)
- Quantity: 2.74 oz. (81 ml)
Full service-parts list: Cummins/Onan DFBF →, Cummins/Onan DFCC →, Cummins/Onan DFCE →, Cummins/Onan DFE →
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.