Cummins/Onan — Disassembly
Repair & overhaul · Generator
From a Cummins/Onan owner's manual covering: 4UF-3N41, 4UF-3N42, 7UF-3N41, 7UF-3N42, 7UF-3N61. Check it applies to your exact model before use.
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Before you start
- Avoid possible damage to parts through careless disassembly and reassembly.
Procedure
- Lift all brushes from contact.
- Tag all leads which are disconnected to insure correct replacement on reassembly.
- When reassembling be sure the bearing stop clip is in place on the bearing opposite the drive end.
- Return brushes to operating position after completing maintenance.
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.