Northern Lights L6125 — Zinc Anodes

Maintenance · Cooling system

For the Northern Lights L6125, from the Northern Lights operator's manual.

Applies to: Northern Lights L6125, Northern Lights L6125H engine

Procedure

1. Drain raw water from heat exchanger.
2. Remove zinc holders from back of tank and front and port side of heat exchanger.
3. Scrape or steel brush zinc electrode clean.
4. Replace electrode if more than 50% has eroded away.
5. Reinstall zinc holders; ensure threads are clean and have good metal-to-metal contact.

Full service-parts list: Northern Lights L6125 →

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.

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