Northern Lights NL844LW2 / NL844W2 — Flushing the Cooling System
Maintenance
For the Northern Lights NL844LW2 / NL844W2, from the Northern Lights operator's manual.
Applies to: Northern Lights NL844LW2, Northern Lights NL844W2, Northern Lights 844 / 844L engine, Northern Lights 844L engine
Before you start
- Allow the engine to cool before working on the cooling system.
Procedure
- Flush the cooling system every 2500 hours or every 12 months, whichever comes first.
- Remove radiator cap and drain engine block.
- Pour clean water into radiator until water coming from radiator is free of discoloration and sediment.
- Close the radiator drain and continue flushing until water from the engine drain is clear.
- Open all drain cocks and drain completely.
- Close drain cock and refill with recommended mixture (50% distilled water / 50% ethylene glycol antifreeze).
- Clean leaves, dust and debris off the radiator fins. Check hoses and connections and repair any leakage.
Specs & values
- 50% distilled water / 50% ethylene glycol antifreeze mix
Full service-parts list: Northern Lights NL844LW2 →, Northern Lights NL844W2 →
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.