Description
Lycoming Overhaul Instructions
TM-1-2R-0480-3
covers the
O-480-1
has 88 pages.
Cover date is 1957.
Engine used in Beech L-23D Seminole.
O-480-1, -1A 340 3400 100/100LL 7.30:1 Like Beech version of –B1B6 (Horizontal
carburetor under engine) with -22 and -23
Magnetos
