Rotate the engine so that the magneto breaker points are left in the closed position. This keeps the spring tension relaxed and prevents atmospheric oxidation from coating the open faces of the contacts.
Finding the right manual might require some hunting. Here’s a guide to the best places to look:
Sites dedicated to Waco aircraft or old tractors (like those using AG magneto models) often have PDF scans. eBay: For original, physical paper manuals. Best Practices When Using the Manual scintilla magneto manual
If an engine equipped with a Scintilla magneto is going into long-term storage, precautions must be taken to protect the electrical integrity of the unit:
Align the magneto internal timing marks to the E-gap position. Mount the magneto to the engine accessory pad loosely. Rotate the engine so that the magneto breaker
Remove the rotor (manual warns: do not hammer the shaft—use a puller engaging the internal threads). Set the rotor aside carefully—the magnets will attract metal debris.
Do you have a specific Scintilla magneto model you're working on? Leave a comment below (if on a forum) or consult a local A&P mechanic for aircraft units. Never guess with aviation safety. Here’s a guide to the best places to
Detailed processes for dismantling, inspecting, and reassembling the magneto.
The Scintilla magneto is a reliable and efficient ignition system used in various aircraft and vintage vehicles. By following the maintenance and troubleshooting procedures outlined in this write-up, owners and operators can ensure optimal performance and extend the lifespan of the magneto. Regular maintenance and inspection are essential to prevent faults and ensure safe engine operation.