Cummins/Onan — Brush Assembly Removal (Battery Charging DC Alternator)
Repair & overhaul
From a Cummins/Onan owner's manual covering: 290.0WF-54R, 290.0WF-54XR, 290.0WF-57R, 290.0WF-59XR, 330.0WK-54R, 330.0WK-54XR, 330.0WK-55DR, 330.0WK-57XR, 330.0WK-59XR, 350.0WF-4R, 350.0WF-4XR, 350.0WF-5DR…. Check it applies to your exact model before use.
Applies to: Waukesha L1616-GSIU engine
Procedure
- Remove the three No. 10-24 screws which fasten voltage regulator to DC alternator; remove regulator to gain access to phenolic cover, disconnecting leads as required.
- Remove the two No. 8-32 screws on phenolic cover and lift out cover and gasket.
- Pull brush assembly straight up and lift out.
- For reassembly, reverse procedure.
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.