Cummins/Onan — Installing the Starter (Units Beginning Spec E)
Installation · Manual starter
From a Cummins/Onan service manual — check it applies to your exact model before use.
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Procedure
- See that engine blower housing is in good condition. If mounting holes are worn or blower housing is damaged, replace with new one.
- Install new ratchet wheel against rope sheave using lock washer and flywheel mounting screw. Discard large flat washer from engines so equipped. Engage drive hole with flywheel boss.
- Four special nuts are supplied for mounting starter to blower housing. If housing is not already fitted with similar nuts, remove blower housing and install nuts. Reinstall blower housing.
- Install centering pin in starter center screw allowing 3/8-inch to protrude. For reinstallations, adjust pin depth.
- Center starter assembly over ratchet wheel with centering pin engaging center hole of flywheel mounting screw. Mount starter using hex head screw, lock washer, and two flat washers at each mounting ar
- To change direction of pull, loosen four clamp screws and turn starter in mounting ring to desired position. Tighten four clamp screws securely.
Specs & values
- Centering pin protrusion: 3/8-inch
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.