Home›Repair guides›Cummins/Onan›Bearing Removal and Lubrication

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

  1. Remove the four screws holding bearing cap.
  2. Remove cap.
  3. Remove circlip.
  4. Remove bearing cartridge housing complete with bearing.
  5. When replacing bearing onto rotor shaft, apply pressing force to the inner face of the bearing only.
  6. 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.

More Cummins/Onan repair guides →