Operator's manual for the Continental IO-470 series aircraft engine covering specifications, operating procedures, and maintenance.
This manual provides pilots and maintenance mechanics with essential information for operating and inspecting the Continental IO-470 series aircraft engine. It includes specifications, operating instructions, and guidance on daily and periodic inspections.
The document also contains fuel injector service procedures, performance charts, and troubleshooting tips, while directing users to the appropriate overhaul manuals for extensive repairs.
| Number of Cylinders | 6 |
|---|---|
| Cylinder Bore | 5 inches |
| Piston Stroke | 4 inches |
| Total Displacement | 471 cu.in. |
| Compression Ratio | 8.6:1 |
| Rated Maximum Continuous Brake Horsepower | 250 bhp |
| Rated Maximum Continuous Speed | 2600 RPM |
| Oil Pressure (cruising) | 30‑60 psi |
| Oil Pressure (idle, minimum) | 10 psi |
| Oil Sump Capacity | 12 US quarts |
| Maximum Oil Consumption at Rated Power | 0.15 lbs/bhp/hr |
| Maximum Oil Temperature Allowable | 225 °F |
| Maximum Cylinder Head Temperature | 460 °F |
The IO-470 engine has six cylinders.
The recommended oil pressure during cruising is 30 to 60 psi.
The engine is rated for a maximum continuous brake horsepower of 250 bhp.
The minimum oil temperature for take‑off is 75 °F.