Cummins/Onan — Line Contactor (K2) Contact Cleaning/Replacement
Repair & overhaul · Line Contactor K2
From a Cummins/Onan service manual covering: 15.0 HA, 15.0HA-23/24D, 15.0HA-23/25D, 7.5 HA, 7.5HA-21/24D, 7.5HA-21/25D, 7.5HA-23/24D, 7.5HA-23/25D. Check it applies to your exact model before use.
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Procedure
- Remove plastic hood.
- Remove spring and washer from each contact guide post.
- Lift contacts from guide post. Curved silver contact surfaces face inward when replacing.
- Take out stationary contacts by removing screws holding them to the plastic body.
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.