Northern Lights M984 — Raw Water Pump Impeller Replacement
Maintenance
For the Northern Lights M984, from the Northern Lights operator's manual.
Applies to: Northern Lights M984
Before you start
- Place protection under screwdrivers to avoid damaging pump housing.
Procedure
- Remove pump cover.
- Pry out impeller using needle-nose pliers or two screwdrivers; remove all pieces.
- Clean inside of housing.
- Press in new impeller and place sealing plug in outer end if needed.
- Reinstall cover.
Tools required
- Needle-nose pliers or two screwdrivers Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Change impeller every 600 hours or as needed.
Full service-parts list: Northern Lights M984 →
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.