Cessna 152 - Page 157

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
DESCRIPTIVE DATA
ENGINE
Number of Engines: 1.
Engine Manufacturer: Avco Lycoming.
Engine Model Number: O-235-N2C.
O-235-N2C ENGINE
MODEL 152
Engine Type: No;rmally-aspirated, direct-drive, air-cooled, horizontally-op-
posed, carburetor equipped, four-cylinder engine with 233.3 cu. in.
displacement.
Horsepower Rating and Engine Speed: 108 rated BHP at 2550 RPM.
OIL
Oil Specification:
MIL-L-6082 Aviation Grade Straight Mineral Oil: Used when the
airplane is modified with an O-235-N2C engine and should be used to
replenish the supply during the first 25 hours. This oil should be
drained after the first 25 hours of operation. Refill the engine and con-
tinue to use until a total .of 50 hours has accumulated or oil consump-
tion has stabilized.
MIL-L-22851 Aviation Grade Ashless Dispersant Oil: Oil conforming to
Avco Lycoming Service Instruction No. 1014, and all revisions and
supplements thereto, must be used after first 50 hours or oil con-
sumption has stabilized.
Recommended Viscosity for Temperature Range:
All temperatures, use multi-viscosity oil or
Above 16° C (60° F), use SAE 50
-1° C (30° F) to 32° C (90° F), use SAE 40
-18° C (0° F) to 21 ° C (70° F), use SAE 30
NOTE
When operating temperatures overlap, use the lighter
grade of oil.
Oil Capacity:
Sump: 6 Quarts.
Total: 7 Quarts (if oil fllter is installed).
SPECIFIC WADING$
Wing Loading: 10.5 lbs./sq. ft.
Power Loading: 15,5 lbs./hp.
1 July 1978
Revision 1 - 31 March 1983
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