Northern Lights M673 / OM673 — Raw water pump impeller replacement

Maintenance

For the Northern Lights M673 / OM673, from the Northern Lights operator's manual.

Applies to: Northern Lights M673, Northern Lights OM673

Procedure

1. Remove pump end cover.
2. Pry out impeller with needle-nose pliers or two screwdrivers.
3. Remove all pieces of failed impeller.
4. Clean inside of housing.
5. Press in new impeller; place sealing washers.
6. Replace cover using new gasket or O-ring.

Full service-parts list: Northern Lights M673 →, Northern Lights OM673 →

Source: Northern Lights operator'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.

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