Cummins/Onan — Re-wind Spring Replacement
Maintenance
From a Cummins/Onan service manual — check it applies to your exact model before use.
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Before you start
- Avoid lubrication of brake washers.
Procedure
- Perform starter disassembly.
- Starting with inside loop, remove re-wind spring #18 carefully from cover #20 by pulling out one loop at a time, holding back rest of turns.
- Starting from outermost coil, spring must be wound in crankshaft rotation direction.
- Spring holders simplify assembly. Place spring in proper position with outside loop around pin.
- Press spring into cover cavity releasing holder.
- Lubricate shaft with light grease. Lubricate re-wind spring with few drops SAE 20 or SAE 30 oil.
- Under dusty conditions use powdered graphite or no lubrication. Avoid lubrication of brake washers.
- Perform starter assembly.
Specs & values
- SAE 20 or SAE 30 oil
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.