Cummins/Onan — Replace air shutter nylon bearings
Repair & overhaul
From a Cummins/Onan service manual covering: 205D3A, 3DJA, 3DJA-1E2236, 3DJA-3E2236. Check it applies to your exact model before use.
Applies to: Cummins/Onan DJA engine
Procedure
- Remove the shutters and pull out the stub shaft.
- Push out old bearings.
- Push in new bearings from inside the shutter housing.
- Large bearing surface goes inside the housing as spacer bushing.
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.