Northern Lights M864 / OM864W — Winterizing / Out-of-Service
Maintenance · Generator set
For the Northern Lights M864 / OM864W, from the Northern Lights operator's manual.
Applies to: Northern Lights M864
Before you start
- Remember to close the sea-cock before opening drain cocks.
Procedure
- Change the crankcase oil and filter.
- Drain fresh water and seawater cooling systems completely; flush fresh water systems and refill with the proper antifreeze mixture.
- Drain the water supply lines and wet exhaust line.
- Loosen the seawater pump cover and drain the pump.
- Loosen the alternator belt.
- Disconnect and clean the battery; remove to warm storage if possible.
- Clean the outside of the unit, paint scratched surfaces and apply corrosion preventative to exposed metal.
Full service-parts list: Northern Lights M864 →
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.