Operating instructions

MAY 1980 1-1
SECTION I
INTRODUCTION
1-1. SCOPE. This publication comprises
Overhaul Instructions for the IO-520 Series Aircraft
Engines.
1-2. RELATED PUBLICATIONS. Detail part
numbers and service assemblies for these engine
models are contained in Parts Catalog X-30040A.
Operating instructions are contained in Operator's
Handbook X-30041.
a. Service instructions for Slick Magneto Model
No. 662 may be obtained from Slick Electro Inc.,
Rockford, Illinois 61100.
b. Service instructions for Bendix Magneto
Model S6RN-201, S6RN-205, S6RN-1201 and
S6RN-1205 may be obtained from Bendix
Corporation, Electrical Components Division,
Sidney, New York 13830.
c. Service instructions for Delco-Remy Starters,
Generators or Alternators may be obtained from
Delco-Remy Division, General Motors Corporation,
Anderson, Indiana 96011.
1-3. SERVICE BULLETINS. Important
changes and product improvements are covered by
factory service bulletins available for study at all
Approved Distributors. These Bulletins are also
available to owners, operators or maintenance
personnel on an annual subscription basis.
1-4. SERVICE REPORTS AND INQUIRIES.
It is the policy of Teledyne Continental Motors to
handle all reports of service difficulty and requests
for information through Approved Distributors.
Request for further copies of this or any other
Teledyne Continental Aircraft Engine Service
Publication should be made through these facilities.
There is an Approved Distributor at every major
airport.
1-5. CYLINDER ARRANGEMENT. Cylinders
are numbered starting from the rear, with odd
numbers on the right and even numbers on the left.
1-6. DEFINITIONS AND ABBREVIATIONS
Term . Explanation
A.B.C. After Bottom Center
Approx. Approximately
A.T.C. After Top Center
Bar. Barometric
B.B.C. Before Bottom Center
B.H.P. Brake horsepower
B. T.C. Before Top Center
F.A.A. Federal Aviation Administration
C.A.R. Civil Air Regulations
c.f.m. Cubic feet per minute
C.G. Center of Gravity
Dia. Diameter
° Degrees of Angle
°F. Degrees Farenheit
Fig. Figure (Illustration)
Front Propeller End
ft. foot or feet
G.P .M. Gallons per minute
H2O Water
Hg. Mercury
I.D. Inside Diameter
in. (") Inches
Hex. Hexagon
hr. Hour
Left Side Side on which Nos. 2, 4 and
6 cylinders are located
Lbs. Pounds
Lockwire Soft steel wire used to safety
connections, etc.
Man. Manifold or manometer
Max. Maximum
Min. Minimum
30' thirty minutes of angle
(60' equal one degree)
N.P.T. National pipe thread
(tapered)