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Northern Lights M864 — SP23. Winterizing / Out-of-Service

Maintenance · Generator set

For the Northern Lights M864, from the Northern Lights owner's manual.

Applies to: Northern Lights M864

Before you start

  • Remember to close the sea-cock before opening drain cocks.

Procedure

  1. Change the crankcase oil and filter.
  2. Drain fresh water and seawater cooling systems completely; flush fresh water systems and refill with proper antifreeze mixture.
  3. Drain the water supply lines and wet exhaust line.
  4. Loosen the seawater pump cover and drain the pump.
  5. Loosen the alternator belt.
  6. Disconnect and clean the battery; remove to a warm storage place if possible.
  7. Clean the outside of the unit, paint scratched or chipped surfaces, and put corrosion preventative on all exposed metal surfaces.

Full service-parts list: Northern Lights M864 →

Source: Northern Lights owner'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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