Northern Lights M1064H / M1066H — Raw Water Pump
Maintenance
For the Northern Lights M1064H / M1066H, from the Northern Lights operator's manual.
Applies to: Northern Lights M1064H, Northern Lights M1066H, John Deere Powertech Tier II 4045 engine, John Deere Powertech Tier II 6068 engine
Before you start
- Keep an extra impeller and cover gasket in reserve on-board.
Procedure
- Change sea water pump impeller as needed.
- Remove pump end cover; remove impeller with water pump pliers.
- Remove all pieces of a failed impeller.
- Clean inside of housing.
- Press in new impeller and place sealing washer in outer end of impeller center.
- Replace cover using a new gasket.
Tools required
- Water pump pliers Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Northern Lights M1064H →, Northern Lights M1066H →
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.