Cummins/Onan — Because of overlapping flanges, the top panel must

A Cummins/Onan service procedure — check it applies to your exact model before use.

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Procedure

1. Cut the wire-tie that secures the wiring har-
2. Remove the two output terminal block mount-
3. Loosen the screws that secure the circuit
4. Disconnect the leads at the terminals on the
5. Remove the mounting screws to free auxiliary
6. Disconnect the two air intake hoses from the air
7. Remove all attachment screws and pull the

Source: manual:981-0540 Onan HDKCx (HDKCA to HDKCD) Mobile Diesel Genset Service manual (08-2004).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.