Engine Description
Teledyne Continental Motors, Inc.
TM
2-1.1. Engine Model Number Definition
The description of each alphanumeric character in the engine model number is given
below for the example engine model number IOF-240-B1B (Figure 2-1).
I O F - 240 - B 1
Horizontally Opposed Cylinders
Specification Number
Model Identifier
Cubic Inch Displacement
FADEC-equipped
Fuel Injected
B
Shipping Designation
I O F - 240 - B 1
Horizontally Opposed Cylinders
Specification Number
Model Identifier
Cubic Inch Displacement
FADEC-equipped
Fuel Injected
B
Shipping Designation
Figure 2-1.
Engine Model Identifier
2-1.2. Cylinder Number Designations
Refer to Figure 2-2:
•
The front of the engine is the end closest to the propeller and the rear of the engine
is the accessory end
•
Viewed from the rear of the engine, the left-side cylinders are designated by even
numbers 2-4, with Cylinder 2 being closest to the rear.
•
The right side cylinders have odd number sequential designation 1-3, with Cylinder
1 being closest to the rear.
•
Firing order of the engine is 1-3-2-4.
4
2
3
1
4
2
3
1
Figure 2-2.
Cylinder Number Designation
2-4
IOF-240 Series Engine Maintenance Manual
Change 1
31 August 2007
