Home›Repair guides›Northern Lights›Raw Water Pump

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

  1. Change sea water pump impeller as needed.
  2. Remove pump end cover; remove impeller with water pump pliers.
  3. Remove all pieces of a failed impeller.
  4. Clean inside of housing.
  5. Press in new impeller and place sealing washer in outer end of impeller center.
  6. Replace cover using a new gasket.

Tools required

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.

More Northern Lights repair guides →