: Scintillas often feature oil holes with small flip-top lids. Use 3-5 drops of high-grade instrument oil every 25 hours of operation. If oil reaches the points, the engine will stumble or quit. 5. Troubleshooting the "Dead Mag"
Always treat a magneto-equipped engine as if it could start at any second. If the internal grounding wire (the P-lead) is broken, the magneto is "hot," meaning it will fire if the propeller or flywheel is turned, even if the ignition switch is "OFF." Summary Checklist for Your Shop Manual Tool Needed Every 100 Hours Feeler Gauge Cleaning Blocks Denatured Alcohol Bearing Lube Per Manufacturer Specs Instrument Oil Magnet Recharge Rare (every 10+ years) Magneto Charger scintilla magneto manual
A magneto is a self-contained electrical generator that creates the high voltage necessary to fire the spark plugs. It does not rely on the aircraft's battery or alternator. : Scintillas often feature oil holes with small
: Critical instructions for aligning internal timing marks using specific pins or viewing windows to ensure the breaker points open at the correct moment. Test Procedures It does not rely on the aircraft's battery or alternator
: Instructions for mounting the magneto to an engine and setting internal and external timing.