Lycoming IO-320-E2A - Operating Conditions and Limits

SECTION 3 LYCOMING OPERATOR’S MANUAL
OPERATING INSTRUCTIONS IO-320 SERIES
ALL MODELS
*Recommended Grade Oil
Average MIL-L-6082 Ashless Dispersant
Ambient Air Grades Grades
Above 80°F (26.66°C) SAE 60 SAE 60
Above 60°F (15.55°C) SAE 50 SAE 40 or SAE 50
30°F to 90°F (-1.11°C to 32.22°C) SAE 40 SAE 40
0°F to 70°F (-17.77°C to 21.11°C) SAE 20 SAE 30 or SAE 40
Below 10°F (-12.22°C) SAE 20 SAE 30
* - Refer to the latest edition 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 (26.66°C) 180°F (82°C) 245°F (118°C)
Above 60°F (15.55°C) 180°F (82°C) 245°F (118°C)
30°F to 90°F (-1.11°C to 32.22°C) 180°F (82°C) 245°F (118°C)
0°F to 70°F (-17.77°C to 21.11°C) 170°F (77°C) 225°F (107°C)
Below 10°F (-12.22°C) 160°F (71°C) 210°F ( 99°C)
Oil Pressure, psi Maximum Minimum Idling
Normal Operating 90 60 25
Start and Warm-Up 100
Fuel Pressure, psi Maximum Desired Min.
IO-320-B, -D, -E Series;
AIO-320; LIO-320-B
Inlet to fuel pump 35 ----- -2
Inlet to fuel injector 45 ----- 12
Inlet to fuel pump with
injector in idle cut-off 55 ----- ----
IO-320-C Series; LIO-320-C
Inlet to fuel pump 45 ----- -2
Inlet to fuel injector 45 ----- 14
Inlet to fuel pump with
injector in idle cut-off 55 ----- ----
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