Northern Lights — Changing sea-water pump impeller
Maintenance
From a Northern Lights operator's manual covering: 753, L753, L843, L854, M354-G, M753, M843, M854, M892. Check it applies to your exact model before use.
Applies to: Northern Lights 753, Northern Lights M753, Northern Lights M843, Northern Lights 854A engine, Northern Lights 854B engine
Before you start
- Place protection under screwdrivers to avoid damaging housing.
Procedure
- Remove pump end cover.
- Pry out impeller with two screwdrivers.
- Be sure all pieces of a failed impeller are removed.
- Clean inside of housing.
- Press in new impeller and place sealing washers in outer end of impeller center.
- Replace cover using a new gasket.
Tools required
- Two screwdrivers Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Keep spare impeller and cover gasket on board.
Full service-parts list: Northern Lights 753 →, Northern Lights M753 →, Northern Lights M843 →
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.