Scintilla Magneto Manual -

When the last screw was torqued and the safety wire twisted into a perfect braid, Elias hooked up the test lead. He gave the drive gear a sharp, practiced flick.

According to standard aviation practices and Scintilla's own historical service instructions, magnetos require periodic "In-House Repair as Necessary" (IRAN) or full overhauls: scintilla magneto manual

The most important rule in any Scintilla magneto manual is: Unlike a car, turning the key "off" on a magneto system works by grounding the circuit. If that wire breaks, the engine can start if the prop or crankshaft is turned, even with the ignition switch off. When the last screw was torqued and the

The breaker points must be clean, flat, and perfectly aligned. and perfectly aligned.