Lycoming IO-360 Series User Manual

SECTION 3 LYCOMING OPERATOR’S MANUAL
OPERATING INSTRUCTIONS O-360 AND ASSOCIATED MODELS
(2) Set carburetor heat control in off position.
(3) Set propeller governor control in Full RPM position (where applicable).
(4) Turn fuel valves On.
(5) Move mixture control to Full Rich.
(6) Turn on boost pump.
(7) Open throttle approximately ¼ travel.
(8) Prime with 1 to 3 strokes of manual priming pump or activate electric primer for 1 or 2 seconds.
(9) Set magneto selector switch (consult airframe manufacturers handbook for correct position).
(10) Engage starter.
(11) When engine fires, move the magneto switch to Both.
(12) Check oil pressure gage. If minimum oil pressure is not indicated within thirty seconds, stop
engine and determine trouble.
b. Engines Equipped with Pressure Carburetors or Bendix Fuel Injectors.
(1) Perform pre-flight inspection.
(2) Set carburetor heat or alternate air control in Off position.
(3) Set propeller governor control in Full RPM position (where applicable).
(4) Turn fuel valve On.
(5) Turn boost pump On.
(6) Open throttle wide open, move mixture control to Full Rich until a slight but steady fuel flow is
noted (approximately 3 to 5 seconds) then return throttle to Closed and return mixture control to
Idle Cut-Off.
(7) Turn boost pump Off.
(8) Open throttle ¼ of travel.
(9) Set magneto selector switch (consult airframe manufacturers handbook for correct position).
(10) Engage starter.
3-2

Lycoming IO-360 Series Specifications

General

Oil System	Wet Sump
Engine Type	Horizontally Opposed, 4-Cylinder, Air Cooled
Displacement	361 cubic inches (5.9 liters)
Bore	5.125 in (130.2 mm)
Stroke	4.375 inches (111.1 mm)
Cooling System	Air Cooled