Cummins/Onan — Brush and Spring Removal / General Servicing
Maintenance · Brushes and springs
From a Cummins/Onan owner's manual covering: 1.5UF-232S, 10.0UF-150S, 12.0UF-3S, 12.0UF-4S, 15.0UB-150S, 15.0UF-3S/104, 2.0UF-125S, 2.0UF-232S/32, 2.0UG-1S/135, 2.5UF-1S, 2.SUD-IS, 2.SUD-IS/ID…. Check it applies to your exact model before use.
Browse Cummins/Onan generators & specs →
Procedure
- Remove the brush spring (constant pressure type) from its holder.
- Remove the brush from its guide; do not pull the brush out.
- Do not unwind the spring past the end of its support plate.
- Replace any distorted or kinked spring with a new one.
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.