Service Instruction No. 1503

Accessory Drive Gear and Shaft Dowel Replacement

  • Publications

DATE: December 20, 2000


Textron Lycoming VO-435-B1A model engines.


At overhaul or whenever the accessory drive gear and shaft assembly P/N 76327 is disassembled.

Any time the accessory drive gear and shaft assembly, P/N 76327, is disassembled, replace the three standard dowels, P/N 76323, connecting the gear and shaft with oversize dowels P/N 76323-P15.

Product Support Network

Wherever you are in the world, you have access to exceptional expertise and knowledge about Lycoming engines. Get the most comprehensive customer service and support in the general aviation industry.

Get It Exchanged

Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.