O, HO, IO, AIO, HIO, TIO-360 Series Operator’s Manual Lycoming Part Number: 60297-12 ©2005 by Lycoming
9. SHUT DOWN PROCEDURE. a. Fixed Wing. (1) Set propeller governor control for minimum blade angle when applicable. (2) Idle until there is a decided drop in cylinder head temperature. (3) Move mixture control to Idle Cut-Off. (4) When engine stops, turn off switches. b. Helicopters. (1) Idle as directed in the airframe manufacturer’s handbook, until there is a decided drop in cylinder head temperature. (2) Move mixture control to Idle Cut-Off. (3) When engine stops, turn off switches.