Textron LYCOMING O-320 Series - Operating Conditions

LYCOMING OPERATOR’S MANUAL SECTION 3
O-320 SERIES OPERATING INSTRUCTIONS
FUEL AND OIL (CONT.)
ALL MODELS
*Recommended Grade Oil
Average MIL-L-6082 Ashless Dispersant
Ambient Air Grades Grades
Above 80°F SAE 60 SAE 60
Above 60°F SAE 50 SAE 40 or SAE 50
30°F to 90°F SAE 40 SAE 40
0°F to 70°F SAE 20 SAE 30 or SAE 40
Below 10°F SAE 20 SAE 30
* - Refer to latest revision of Service Instruction No. 1014.
Oil Sump Capacity.........................................................................................................................8 U.S. Quarts
Minimum Safe Quantity in Sump ..................................................................................................2 U.S. Quarts
OPERATING CONDITIONS
Average Oil Inlet Temperature
Ambient Air Desired Maximum
Above 80°F 180°F (82°C) 245°F (118°C)
Above 60°F 180°F (82°C) 245°F (118°C)
30°F to 90°F 180°F (82°C) 245°F (118°C)
0°F to 70°F 170°F (77°C) 225°F (107°C)
Below 10°F 160°F (71°C) 210°F ( 99°C)
Oil Pressure, psi Maximum Minimum Idling
Normal Operating
(except O-320-B2D, -B2E) 90 60 25
O-320-B2D, -B2E 95 55
Start and Warm-Up
(except O-320-B2D, -B2E, -D2J) 100
O-320-B2D, -B2E, -D2J 115
Fuel Pressure, psi Maximum Desired Minimum
O-320 Series
Inlet to carburetor 8.0 3.0 0.5
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