About this document
SI1121 Gears, Ring, Identification by bert is a document available to read on EtoBox.
This service instruction outlines the identification of starters and ring gears for all direct drive Lycoming aircraft engines, emphasizing the importance of matching diametral pitches to prevent starter drive failures. It details two types of drive gears with different diametral pitches (10/12 and 12/14) and provides a chart for their characteristics. Compliance is required whenever a starter or ring gear support is replaced to ensure proper installation.
- Author
- bert
- Language
- EN