Northern Lights — Secondary Fuel Filter (SP-9)

Maintenance

From a Northern Lights owner's manual covering: 844DW3, 844LW3, M20CRW3, M844DW3, M844LW3, M844W3. Check it applies to your exact model before use.

Applies to: Northern Lights M20CRW3, Northern Lights M844DW3, Northern Lights M844LW3, Northern Lights M844W3, Northern Lights 844L engine

Procedure

1. Change secondary fuel filter every 500 hours.
2. Remove the spin-on filter by turning counterclockwise with a filter wrench.
3. Fill the new cartridge with fuel and apply engine oil to gasket surface.
4. Screw on until gasket contacts the sealing surface, then tighten two-thirds of a turn by hand.

Full service-parts list: Northern Lights M20CRW3 →, Northern Lights M844DW3 →, Northern Lights M844LW3 →, Northern Lights M844W3 →

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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