CONTINENTAL AIRCRAFT ENGINE IO-550

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Summary

Advisories

Using this Manual

Fuel System Adjustment Values

Magneto RPM Drop Check

Magneto RPM Drop Check Warning

Warns about potential engine starting if RPM drop is absent.

Magneto RPM Drop Check Caution

Advises on single ignition operation and excessive RPM drop.

Engine Shutdown Procedure

Engine Shutdown Leak Check

Oil Change Procedure

Disposable Oil Filter and Integral Screen

Oil Filter Gasket Note

Aviation Fuel Specifications

Authorized Fuels by Engine Model

Older Engine Model Fuel Note

Engine Operation After Cylinder Replacement or Overhaul

Operation After Overhaul Using Test Cell

Details servicing and test cell procedures post-overhaul.

Operation After Overhaul Using Aircraft

Describes running-in procedures when using the aircraft as a test stand.

Overhaul Operation Caution

Cylinder Repair and Maintenance Notes

Cylinder Installation Procedure

Cylinder Installation Sealant Warning

Warns against using sealants on specific engine surfaces, detailing consequences.

Seventh Stud Engine Case Caution

Cylinder Torque Procedure

Cylinder Torque Caution

Cylinder Torque Failure Warning

Warns about consequences of improper torque on engine components.

Cylinder Torque Sequence Figure

Solid Nose Oil Seal Installation

Oil Seal Installation Warning

Emphasizes safety precautions before starting maintenance.

Split Nose Oil Seal Removal

Split Type Nose Oil Seal Installation

Split Nose Seal Alignment Caution

Component Specific Torque Specifications

Mandatory Overhaul Replacement Parts

Mandatory Overhaul Replacement Parts Table

Gasket Maker Application

Gasket Maker Application Warning

Warns about improper sealant use causing engine failure.

Gasket Installation

Gasket Installation Warning

Warns about improper sealant use causing engine failure.