Installation & Operation Manual
O-360 and IO-360 Series Engines
1
© March 2004 Superior Air Parts Inc. Chapter 5 • Special Procedures
CHAPTER 5
Special Procedures
1. GENERAL BREAK-IN PROCEDURES
This section provides the Break-In Procedures
to achieve satisfactory ring seating and long
cylinder life. On all new Vantage engines, after
top overhaul or major engine overhaul, break-in
is critical. Always refer to the latest Superior
Service Data on Break-In instructions.
Note:
Refer to the engine warranty. Violation of
these procedures will void the engine's warranty.
2. SPECIAL TOOLS AND EQUIPMENT
Standard aviation shop tools are required.
The aircraft can be a suitable test stand for
running-in cylinders.
3. BREAK-IN PROCEDURES
WARNING:
OPERATION OF A DEFECTIVE
ENGINE WITHOUT A PRELIMINARY
EXAMINATION CAN CAUSE FURTHER
DAMAGE TO A DISABLED COMPONENT
AND POSSIBLE INJURY TO PERSONNEL.
MAKE SURE THOROUGH INSPECTION AND
TROUBLESHOOTING PROCEDURES ARE
ACCOMPLISHED. THIS WILL HELP TO
PREVENT INJURIES TO PERSONNEL
AND/OR DAMAGE TO THE EQUIPMENT.
A. Prior to Break-In Start-Up:
(1.) Engine oil sump should be filled with 100%
straight weight mineral oil. Use
MIL-L-6082, grade 100. Refer to chapter seven
for fluid requirements.
(2.) Engine must be pre-oiled and oil pressure
obtained prior to start-up.
(a.) To pre-oil an engine, do the following:
(i) Attach pressure oiling equipment to one
end of the main gallery and force
appropriate type of oil through the gallery
at 35 psi until oil flows from the opposite
gallery with the plug removed from the
front end of the opposite galley.
(ii) Engine baffles and seals must be in
good condition and properly installed.
(iii) Verify accuracy of instruments
required for engine operation.
CAUTION:
BREAK-IN OF AN ENGINE IN
FRIGID CONDITIONS CAN LEAD TO
CYLINDER GLAZING AND FAILED BREAK-IN
DUE TO LOW OIL TEMPERATURE. IT IS
RECOMMENDED THAT OIL TEMPERATURE
BE MAINTAINED BETWEEN 180° AND 190°F.
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