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Aircraft Motor doesn't operate or is intermittent

1. Low battery
2. Defective, improper or lose wire connections. On older Sky-Tec starters, loose plastic connector at starter solenoid.
3. Binding or worn brushes. Brushes should be free in brush boxes without excessive side play.
4. Shorted, grounded or open armature.
5. Grounded or open field circuit.
6. Defective master switch or circuit.
7. Defective solenoid switch.

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Disclaimer: sacskyranch.com contains abundant information relating to aircraft maintenance. The information provided is not intended to supercede or supplement the F.A.A. approved maintenance and/or operator’s manuals. Those F.A.A. approved manuals must be utilized when performing maintenance and/or operating aircraft.