How to Change the Anode

How to Change the Anode

by

on Your Nanni Diesel 525 TDI – Step‑by‑Step in 60 Seconds

Intro

Learn how to Change the Anode on Your on your Nanni Diesel 525 TDI in under 60 seconds with this easy guide. Protect your marine engine from salt‑water corrosion now.
Changing the sacrificial anode on your Nanni Diesel 525 TDI is a quick yet essential maintenance task. In just 60 seconds, you’ll be able to follow each step and safeguard your marine diesel or petrol engine against salt‑water corrosion.
Part Nr.
3- Electrolytic plug “Anode “Part nr: 970494635
4 – Copper gasket 16‑22‑1.5 Part nr: 970300199

how to Change the Anode on Your Nanni Diesel 525 TDI

Preparation

Purchase the correct anode (Part No. 970494635).

Steps

  1. Remove the old anode and check its condition.
  2. Clean the internal thread on the engine side thoroughly, removing any salt or lime deposits.
  3. Install the new anode with the copper sealing washer (required for this model).
  4. Use a torque wrench, tightening to 25‑30 Nm.
  5. Start the engine and verify the installation is completely leak‑free.

Changing interval:

Personally, I replace it every 50 working hours or once a year.

Why It Matters

A properly installed sacrificial anode prevents costly damage by protecting your engine’s metal components from corrosion. Skipping this maintenance step can lead to serious repair needs down the line.

Conclusion & Call to Action
Don’t wait — change your anode today and protect your marine engine from the effects of salt‑water corrosion. Share this post or watch our detailed video tutorial for more insights.