Cessna 172R

TTP Cessna 172 Cat.B1 L-3 ATA71 Power Plant Cat.B2 L-1 Textron Lycoming IO-360-L2A engine is direct drive, four cylinder, fuel injected, horizontally opposed,  and air cooled. The cylinders, numbered from front to rear, are staggered to have individual throws on the  crankshaft for each connecting rod. The right front cylinder is number 1 and cylinders on the right side of  the engine are identified by odd numbers 1 and 3. The left front cylinder is number 2 and the cylinders on  the left side are identified as 2 and 4.  IO-360-L2A Technical Description 172R Rated Horsepower at 2400 RPM 160 172S* Rated Horsepower at 2700 RPM 180 Number of Cylinders 4  Horizontally Opposed Displacement 361.0 Cubic Inches Bore 5.125 Stroke 4.375 Compression Ratio 8.5:1 Firing Order 1-3-2-4 Magnetos:      Right  Slick 4371 (25°BTDC)                         Left...

TTP B1-L3 ATA71 Cessna 172 B2-L1 Lycoming's preservation procedure : Drain the lubricating oil from the sump or system and replace with a preservative oil mixture. This preservation mixture consists of one part by volume MIL-C-6529C Type I concentrated preservative compound added to three parts by volume of MIL-L-6082C (SAE J1966), Grade 1100, mineral aircraft engine oil or oil conforming to MIL-C-6529C Type II. Follow carefully the manufacturer's instructions before use. An alternative method is the use of Cortec VC1-326 preservative concentrate added to the original oil at a ratio of 1 part VC1-326 to 10 parts of oil. Operate the engine until normal temperatures are obtained. Do not stop engine until oil temperature has reached 180°F. If weather conditions are below freezing, oil temperature should reach at least 165°F before shut down. Remove sufficient cowling to gain access to the top spark plugs and remove them. Through the...