Related Resources: Aircraft Maintenance

Aviation Maintenance Technician Handbook–Powerplant (FAA-H-8083-32A) Volume 2

Machine Design Equation and Calculators
Structural Beam, Static's Deflection and Stress Equations and Calculators
Static's Resources

Aviation Maintenance Technician Handbook–Powerplant (FAA-H-8083-32A) Volume 2
US Depatment of Transportation
Federal Aviation Administration
2018
272 pages

Premium Membership Required to view Document/Book
Open: Aviation Maintenance Technician Handbook–Powerplant (FAA-H-8083-32A Vol. 2)

Related: Aviation Maintenance Technician Handbook–Powerplant (FAA-H-8083-32A) Volume 1

The Aviation Maintenance Technician Handbook–Powerplant (FAA-H-8083-32A) is one of a series of three handbooks for persons preparing for certification as a powerplant mechanic. It is intended that this handbook provide the basic information on principles, fundamentals, and technical procedures in the subject matter areas relating to the powerplant rating. It is designed to aid students enrolled in a formal course of instruction, as well as the individual who is studying on his or her own. Since the knowledge requirements for the airframe and powerplant ratings closely parallel each other in some subject areas, the chapters which discuss fire protection systems and electrical systems contain some material which is also duplicated in the Aviation Maintenance Technician Handbook–Airframe (FAA-H-8083-31A).

This handbook contains an explanation of the units that make up each of the systems that bring fuel, air, and ignition together in an aircraft engine for combustion. It also contains information on engine construction features, lubrication systems, exhaust systems, cooling systems, cylinder removal and replacement, compression checks, and valve adjustments. Because there are so many different types of aircraft in use today, it is reasonable to expect that differences exist in airframe components and systems. To avoid undue repetition, the practice of using representative systems and units is carried out throughout the handbook. Subject matter treatment is from a generalized point of view and should be supplemented by reference to manufacturer's manuals or other textbooks if more detail is desired. This handbook is not intended to replace, substitute for, or supersede official regulations or the manufacturer’s instructions. Occasionally the word “must” or similar language is used where the desired action is deemed critical. The use of such language is not intended to add to, interpret, or relieve a duty imposed by Title 14 of the Code of Federal Regulations (14 CFR).

Principles of Engine LubricationThe primary purpose of a lubricant is to reduce friction between moving parts. Because liquid lubricants or oils can be circulated readily, they are used universally in aircraft engines. In theory, fluid lubrication is based on the actual separation of the surfaces so that no metal-to-metal contact occurs. As long as the oil film remains unbroken, metallic friction is replaced by the internal fluid friction of the lubricant. Under ideal conditions, friction and wear are held to a minimum. Oil is generally pumped throughout the engine to all areas that require lubrication. Overcoming the friction of the moving parts of the engine consumes energy and creates unwanted heat. The reduction of friction during engine operation increases the overall potential power output. Engines are subjected to several types of friction.

TOC

Chapter 6
Lubrication and Cooling Systems. ..................... 6-1
Principles of Engine Lubrication. ................................... 6-1
Types of Friction . ....................................................... 6-2
Functions of Engine Oil. ............................................. 6-2
Requirements and Characteristics of Reciprocating Engine Lubricants. .......................................................... 6-2
Viscosity. ..................................................................... 6-3
Viscosity Index. ........................................................... 6-3
Flash Point and Fire Point. .......................................... 6-3
Cloud Point and Pour Point. ........................................ 6-3
Specific Gravity. .......................................................... 6-4
Reciprocating Engine Lubrication Systems. ................... 6-5
Combination Splash and Pressure Lubrication. .......... 6-5
Lubrication System Requirements. ............................. 6-5
Dry Sump Oil Systems. ............................................... 6-5
Oil Tanks. .................................................................... 6-5
Oil Pump. .................................................................... 6-7
Oil Filters. .................................................................... 6-7
Oil Pressure Regulating Valve. ................................... 6-8
Oil Pressure Gauge. ..................................................... 6-9
Oil Temperature Indicator. ........................................6-10
Oil Cooler. .................................................................6-10
Oil Cooler Flow Control Valve. ................................6-10
Surge Protection Valves. ...........................................6-10
Airflow Controls. ......................................................6-11
Dry Sump Lubrication System Operation. ................6-12
Wet-Sump Lubrication System Operation. ...............6-13
Lubrication System Maintenance Practices. .................6-14
Oil Tank. ....................................................................6-14
Oil Cooler. .................................................................6-14
Oil Temperature Bulbs. .............................................6-16
Pressure and Scavenge Oil Screens. ..........................6-16
Oil Pressure Relief Valve. .........................................6-17
Recommendations for Changing Oil. ...........................6-18
Draining Oil. ..............................................................6-18
Oil and Filter Change and Screen Cleaning. .............6-18
Oil Filter Removal Canister Type Housing. ..............6-18
Oil Filter/Screen Content Inspection. ........................6-18
Assembly of and Installation of Oil Filters. ..............6-19
Troubleshooting Oil Systems. ...................................6-19
Requirements for Turbine Engine Lubricants. ..............6-19
Turbine Oil Health and Safety Precautions. ..............6-20
Spectrometric Oil Analysis Program. ........................6-21
Typical Wear Metals and Additives. .........................6-21
Turbine Engine Lubrication Systems. ...........................6-21
Turbine Lubrication System Components. ...................6-22
Oil Tank. ....................................................................6-22
Oil Pump. ..................................................................6-23
Turbine Oil Filters. ....................................................6-24
Oil Pressure Regulating Valve. .................................6-25
Oil Pressure Relief Valve. .........................................6-25
Oil Jets. ......................................................................6-25
Lubrication System Instrumentation. ........................6-26
Lubrication System Breather Systems (Vents). ........6-26
Lubrication System Check Valve. .............................6-27
Lubrication System Thermostatic Bypass Valves. ....6-27
Air Oil Coolers. .........................................................6-28
Fuel Oil Coolers. .......................................................6-28
Deoiler. ......................................................................6-28
Magnetic Chip Detectors. ..........................................6-28
Typical Dry-Sump Pressure Regulated Turbine Lubrication System. ......................................................6-28
Pressure System. ...........................................................6-29
Scavenge System. ......................................................6-29
Breather Pressurizing System. ...................................6-30
Typical Dry-Sump Variable Pressure Lubrication System. ..........................................................................6-30
Pressure Subsystem. ..................................................6-31
Scavenger Subsystem. ...............................................6-31
Breather Subsystems. ................................................6-31
Turbine Engine Wet-Sump Lubrication System. ..........6-32
Turbine Engine Oil System Maintenance. ....................6-32
Engine Cooling Systems. ..............................................6-33
Reciprocating Engine Cooling Systems. ...................6-33
Reciprocating Engine Cooling System Maintenance. .............................................................6-35
Maintenance of Engine Cowling. ..............................6-36
Engine Cylinder Cooling Fin Inspection. ..................6-37
Cylinder Baffle and Deflector System Inspection. ....6-38
Cylinder Temperature Indicating Systems. ...............6-38
Exhaust Gas Temperature Indicating Systems. .........6-39
Turbine Engine Cooling. ...............................................6-39
Accessory Zone Cooling. ..........................................6-40
Turbine Engine Insulation Blankets. .........................6-40

Chapter 7
Propellers. .............................................................7-1
General. ...........................................................................7-1
Basic Propeller Principles. ..............................................7-2
Propeller Aerodynamic Process. .....................................7-2
Aerodynamic Factors. .................................................7-5
Propeller Controls and Instruments. ............................7-6
Propeller Location. ..........................................................7-6
Tractor Propeller.........................................................7-6
Pusher Propellers. ........................................................7-6
Types of Propellers. ........................................................7-6
Fixed-Pitch Propeller. ..................................................7-6
Test Club Propeller. .....................................................7-7
Ground-Adjustable Propeller. .....................................7-7
Controllable-Pitch Propeller. .......................................7-7
Constant-Speed Propellers. .........................................7-8
Feathering Propellers. ..................................................7-8
Reverse-Pitch Propellers. ............................................7-9
Propeller Governor. .........................................................7-9
Governor Mechanism. ...............................................7-10
Underspeed Condition. ..............................................7-10
Overspeed Condition. ................................................7-10
On-Speed Condition. .................................................7-10
Governor System Operation. .....................................7-12
Propellers Used on General Aviation Aircraft. .............7-12
Fixed-Pitch Wooden Propellers................................7-12
Metal Fixed-Pitch Propellers. ....................................7-14
Constant-Speed Propellers. ...........................................7-14
Hartzell Constant-Speed, Nonfeathering. ..................7-14
Constant-Speed Feathering Propeller. .......................7-15
Unfeathering. .............................................................7-17
Propeller Auxiliary Systems. ........................................7-17
Ice Control Systems . ................................................7-17
Anti-Icing Systems. ...............................................7-17
Deicing Systems. ...................................................7-18
Propeller Synchronization and Synchrophasing.......7-20
Autofeathering System. .............................................7-20
Propeller Inspection and Maintenance. .........................7-20
Wood Propeller Inspection. .......................................7-21
Metal Propeller Inspection. .......................................7-21
Aluminum Propeller Inspection. ...............................7-21
Composite Propeller Inspection. ...............................7-21
Propeller Vibration. .......................................................7-22
Blade Tracking. .........................................................7-22
Checking and Adjusting Propeller Blade Angles. .....7-23
Universal Propeller Protractor. ..................................7-23
Propeller Balancing. ......................................................7-24
Static Balancing. ........................................................7-24
Dynamic Balancing. ..................................................7-26
Balancing Procedure.................................................7-26
Propeller Removal and Installation. ..............................7-27
Removal. ...................................................................7-27
Installation. ................................................................7-27
Servicing Propellers. .....................................................7-27
Cleaning Propeller Blades. ........................................7-27
Charging the Propeller Air Dome. ............................7-28
Propeller Lubrication. ................................................7-28
Propeller Overhaul. .......................................................7-29
The Hub. ....................................................................7-29
Prop Reassembly. ......................................................7-30
Troubleshooting Propellers. ..........................................7-30
Hunting and Surging. ................................................7-30
Engine Speed Varies with Flight Attitude (Airspeed). .................................................................7-30
Failure to Feather or Feathers Slowly. ......................7-30
Turboprop Engines and Propeller Control Systems. .....7-30
Reduction Gear Assembly. ........................................7-31
Turbo-Propeller Assembly. .......................................7-31
Pratt and Whitney PT6 Hartzell Propeller System. ......7-32
Hamilton Standard Hydromatic Propellers. ..................7-35
Principles of Operation. .............................................7-37
Feathering Operation. ................................................7-38
Unfeathering Operation. ............................................7-39
Setting the Propeller Governor. .................................7-41

Chapter 8
Engine Removal and Replacement. ....................8-1
Introduction. ....................................................................8-1
Reasons for Removal of Reciprocating Engines. ...........8-2
Engine or Component Lifespan Exceeded. .................8-2
Sudden Stoppage. ........................................................8-2
Sudden Reduction in Speed. ........................................8-2
Metal Particles in the Oil. ............................................8-3
Spectrometric Oil Analysis Engine Inspection Program. ......................................................................8-3
Turbine Engine Condition Monitoring Programs. ......8-3
Engine Operational Problems. .....................................8-3
General Procedures for Engine Removal and Installation. ......................................................................8-3
Preparation of Engines for Installation. .......................8-3
QECA Buildup Method for Changing of Engines. .....8-4
Depreservation of an Engine. ......................................8-5
Inspection and Depreservation of Accessories. ...........8-5
Inspection and Replacement of Powerplant External Units and Systems. ..........................................................8-6
Preparing the Engine for Removal. .................................8-6
Draining the Engine....................................................8-7
Electrical Disconnects. ................................................8-7
Disconnection of Engine Controls. .............................8-8
Disconnection of Lines. ...............................................8-8
Other Disconnections. .................................................8-9
Removing the Engine. .....................................................8-9
Hoisting the Engine. ..................................................8-10
Hoisting and Mounting the Engine for Installation. .....8-10
Connections and Adjustments. ..................................8-11
Preparation of Engine for Ground and Flight Testing. ..........................................................................8-13
Pre-Oiling. .................................................................8-13
Fuel System Bleeding. ...............................................8-13
Propeller Check. ............................................................8-14
Checks and Adjustments After Engine Runup and Operation. ...............................................................8-14
Rigging, Inspections, and Adjustments. .......................8-14
Rigging Power Controls. ...........................................8-14
Adjusting the Fuel Control. .......................................8-15
Turboprop Powerplant Removal and Installation. ........8-16
Reciprocating Helicopter Engine and QECA. ..............8-17
Removal of Helicopter QECA. .................................8-17
Installation, Rigging, and Adjustment of Helicopter QECA. .....................................................8-17
Testing the Engine Installation. .................................8-17
Engine Mounts. .............................................................8-17
Mounts for Reciprocating Engines. ...........................8-17
Mounts for Turbofan Engines. ..................................8-18
Turbine Vibration Isolation Engine Mounts. ............8-18
Preservation and Storage of Engines. ...........................8-18
Corrosion-Preventive Materials. ...............................8-18
Corrosion-Preventive Compounds. ...........................8-19
Dehydrating Agents. ..................................................8-19
Engine Preservation and Return to Service. .................8-20
Engine Shipping Containers. ........................................8-21
Inspection of Stored Engines. .......................................8-22
Preservation and Depreservation of Gas Turbine Engines. .........................................................................8-22

Chapter 9
Engine Fire Protection Systems. ........................9-1
Introduction. ....................................................................9-1
Components. ................................................................9-2
Engine Fire Detection Systems. ..................................9-2
Thermal Switch System. ..........................................9-2
Thermocouple Systems. ...........................................9-3
Optical Fire Detection Systems. ..............................9-4
Pneumatic Thermal Fire Detection. .........................9-4
Continuous-Loop Detector Systems. .......................9-4
Fire Zones. ...................................................................9-7
Engine Fire Extinguishing System. .................................9-8
Fire Extinguishing Agents. ..........................................9-8
Turbine Engine Ground Fire Protection. .....................9-9
Containers. ...................................................................9-9
Discharge Valves. ........................................................9-9
Pressure Indication. .....................................................9-9
Two-Way Check Valve. ..............................................9-9
Discharge Indicators. .................................................9-10
Thermal Discharge Indicator (Red Disk). .............9-10
Yellow Disk Discharge Indicator. .........................9-10
Fire Switch. ...............................................................9-10
Warning Systems. ......................................................9-10
Fire Detection System Maintenance. ............................9-10
Fire Detection System Troubleshooting. ......................9-12
Fire Extinguisher System Maintenance Practices. ........9-13
Boeing 777 Aircraft Fire Detection and Extinguishing System. ..................................................9-13
Overheat Detection. ...................................................9-14
Fire Detection. ...........................................................9-14
Nacelle Temperature Recording. ...............................9-14
Continuous Fault Monitoring. ...................................9-14
Single/Dual Loop Operation. ....................................9-14
System Test. ..............................................................9-14
Boeing 777 Fire Extinguisher System. ......................9-14
Fire Extinguisher Containers. ................................9-14
Squib. .........................................................................9-15
Engine Fire Switches. ................................................9-15
Engine Fire Operation. ..............................................9-17
APU Fire Detection and Extinguishing System. ...........9-18
APU Fire Warning....................................................9-18
Fire Bottle Discharge................................................9-20

Chapter 10
Engine Maintenance and Operation. ................10-1
Reciprocating Engine Overhaul. ...................................10-1
Top Overhaul. ............................................................10-2
Major Overhaul and Major Repairs..........................10-2
General Overhaul Procedures. ......................................10-2
Receiving Inspection. ....................................................10-2
Disassembly. .................................................................10-2
Inspection Process. ........................................................10-3
Visual Inspection. ......................................................10-3
Cylinder Head...........................................................10-4
Piston, Valve Train, and Piston Pin. ..........................10-5
Crankshaft and Connecting Rods. .............................10-5
Cleaning. .......................................................................10-6
Degreasing. ................................................................10-6
Removing Hard Carbon............................................10-6
Structural Inspection. ....................................................10-7
Dye Penetrant Inspection..........................................10-7
Eddy Current Inspection. ...........................................10-7
Ultrasonic Inspection. ................................................10-7
Pulse-Echo. ............................................................10-7
Through Transmission. ..........................................10-8
Resonance. .............................................................10-8
Magnetic Particle Inspection. ....................................10-8
X-ray. .........................................................................10-8
Dimensional Inspection. ...............................................10-8
Cylinder Barrel. .........................................................10-8
Valves and Valve Springs. ........................................10-9
Crankshaft. ..............................................................10-10
Checking Alignment...............................................10-10
Repair and Replacement. .........................................10-11
Cylinder Assembly Reconditioning. .......................10-12
Piston and Piston Pins. ............................................10-12
Valves and Valve Springs. ......................................10-13
Refacing Valve Seats..............................................10-13
Valve Reconditioning. .............................................10-16
Valve Lapping and Leak Testing. ...........................10-17
Piston Repairs. .........................................................10-18
Cylinder Grinding and Honing. ...............................10-18
Reassembly. ................................................................10-20
Installation and Testing. ..............................................10-20
Engine Testing of Reciprocating Engines. ..............10-20
Test Cell Requirements. ..........................................10-21
Engine Instruments. .................................................10-21
Carburetor Air Temperature (CAT) Indicator. ........10-22
Fuel Pressure Indicator. ...........................................10-22
Oil Pressure Indicator. .............................................10-23
Oil Temperature Indicator. ......................................10-23
Fuel Flow Meter. .....................................................10-23
Manifold Pressure Indicator. ...................................10-23
Tachometer Indicator. .............................................10-23
Cylinder Head Temperature Indicator. ....................10-24
Torquemeter. ...........................................................10-24
Warning Systems. ....................................................10-25
Reciprocating Engine Operation. ................................10-25
Engine Instruments. .................................................10-25
Engine Starting. .......................................................10-25
Pre-Oiling. ...............................................................10-25
Hydraulic Lock. .......................................................10-25
Engine Warm-Up. ...................................................10-26
Ground Check.........................................................10-27
Fuel Pressure and Oil Pressure Check. ....................10-28
Propeller Pitch Check. .............................................10-28
Power Check...........................................................10-28
Idle Speed and Idle Mixture Checks. ......................10-28
Engine Stopping. .....................................................10-29
Basic Engine Operating Principles. ............................10-29
Combustion Process. ...............................................10-29
Detonation. ..............................................................10-30
Pre-Ignition. .............................................................10-30
Backfiring. ...............................................................10-31
Afterfiring. ...............................................................10-31
Factors Affecting Engine Operation. ..........................10-31
Compression. ...........................................................10-31
Fuel Metering. .........................................................10-31
Idle Mixture. ............................................................10-33
Induction Manifold. .................................................10-34
Operational Effect of Valve Clearance. ..................10-34
Engine Troubleshooting. .............................................10-35
Valve Blow-By. .......................................................10-39
Cylinder Compression Tests. ......................................10-40
Differential Pressure Tester. ....................................10-40
Cylinder Replacement. ............................................10-41
Cylinder Removal. ......................................................10-42
Cylinder Installation. ...................................................10-4 3
Cold Cylinder Check. ..................................................10-44
Turbine Engine Maintenance. .....................................10-45
Compressor Section. ................................................10-45
Inspection and Cleaning. .........................................10-46
Causes of Blade Damage. ........................................10-47
Blending and Replacement. .....................................10-49
Combustion Section Inspection. .................................10-49
Marking Materials for Combustion Section Parts. ........................................................................10-50
Inspection and Repair of Combustion
Chambers . ...............................................................10-50
Fuel Nozzle and Support Assemblies. .....................10-51
Turbine Disk Inspection. .........................................10-51
Turbine Blade Inspection. .......................................10-51
Turbine Blade Replacement Procedure. ..................10-52
Turbine Nozzle Inlet Guide Vane Inspection. .........10-53
Clearances. ..............................................................10-53
Exhaust Section. ......................................................10-53
Engine Ratings. ...........................................................10-55
Turbine Engine Instruments. .......................................10-55
Engine Pressure Ratio Indicator. .............................10-55
Torquemeter (Turboprop Engines). .........................10-56
Tachometer ............................................................10-56
Exhaust Gas Temperature Indicator (EGT)............10-56
Fuel-Flow Indicator. ................................................10-56
Engine Oil Pressure Indicator.................................10-56
Engine Oil Temperature Indicator. ..........................10-56
Turbine Engine Operation. ..........................................10-56
Ground Operation Engine Fire. ...............................10-58
Engine Checks. ........................................................10-58
Checking Takeoff Thrust........................................10-58
Ambient Conditions. ...............................................10-58
Engine Shutdown. .......................................................10-59
Troubleshooting Turbine Engines. ..............................10-60
Turboprop Operation. .................................................10-60
Troubleshooting Procedures for Turboprop Engines. ...................................................................10-60
Turbine Engine Calibration and Testing. ....................10-60
Turbine Engine Analyzer Uses...............................10-60
Analyzer Safety Precautions. ..................................10-62
Continuity Check of Aircraft EGT Circuit. .............10-64
Functional Check of Aircraft EGT Circuit. .............10-64
EGT Indicator Check..............................................10-65
Resistance and Insulation Check. ............................10-65
Tachometer Check. ..................................................10-65
Troubleshooting EGT System. ....................................10-65
One or More Inoperative Thermocouples in Engine Parallel Harness..........................................10-65
Engine Thermocouples Out of Calibration. ............10-65
EGT Circuit Error. ...................................................10-66
Resistance of Circuit Out of Tolerance. ..................10-66
Shorts to Ground/Shorts Between Leads................10-66
Troubleshooting Aircraft Tachometer System. ...........10-66

Chapter 11
Light-Sport Aircraft Engines. ............................11-1
Engine General Requirements. .....................................11-1
Personnel Authorized to Perform Inspection and Maintenance on Light-sport Engines. ...........................11-2
Authorized Personnel That Meet FAA Regulations. ...............................................................11-4
Types of Light-Sport and Experimental Engines. .........11-4L
L ight-Sport Aircraft Engines. ....................................11-4
Two-Cycle, Two Cylinder Rotax Engine. .................11-4
Single Capacitor Discharge Ignition (SCDI)............11-4
Dual Capacitor Discharge Ignition (DCDI). .............11-4
Rotax 447 UL (SCDI) and Rotax 503 UL DCDI). ...................................................................11-4
Rotax 582 UL DCDI. .............................................11-5
Description of Systems for Two-Stroke Engines. .....11-5
Cooling System of Rotax 447 UL SCDI and Rotax 503 UL DCDI. .............................................11-5
Cooling System of the Rotax 582 UL DCDI. ........11-5
Lubrication Systems. .................................................11-6
Oil Injection Lubrication of Rotax 503 UL DCDE, 582 UL DCDI, and 582 UL DCDI. ..........11-6
Electric System. .........................................................11-6
Fuel System. ..............................................................11-6
Fuel/Oil Mixing Procedure. ...................................11-7
Opposed Light-Sport, Experimental, and Certified Engines. .........................................................................11-7
Rotax 912/914. ..........................................................11-7
Description of Systems. .............................................11-7
Cooling System. .....................................................11-7
Fuel System. ..........................................................11-7
Lubrication System. ...............................................11-8
Electric System. .....................................................11-8
Turbocharger and Control System. ......................11-10
HKS 700T Engine. ..................................................11-10
Jabiru Light-Sport Engines. .....................................11-10
Jabiru 2200 Aircraft Engine. ................................11-12
Aeromax Aviation 100 (IFB) Aircraft Engine. ....11-12
Direct Drive VW Engines. ..........................................11-13
Revmaster R-2300 Engine......................................11-13
Great Plains Aircraft Volkswagen (VW) Conversions. ............................................................11-15
Teledyne Continental 0-200 Engine. .......................11-16
Lycoming 0-233 Series Light-Sport Aircraft Engine. .....................................................................11-16
General Maintenance Practices on Light-Sport Rotax Engines. ............................................................11-17
Maintenance Schedule Procedures and Maintenance Checklist. ...............................................11-17
Carburetor Synchronization. ...................................11-18
Pneumatic Synchronization. ....................................11-19
Idle Speed Adjustment. ...........................................11-20
Optimizing Engine Running. ...................................11-20
Checking the Carburetor Actuation. ........................11-20
Lubrication System. ....................................................11-21
Oil Level Check......................................................11-21
Oil Change. ..............................................................11-21
Cleaning the Oil Tank. ............................................11-21
Inspecting the Magnetic Plug. .................................11-22
Checking the Propeller Gearbox. ............................11-22
Checking the Friction Torque in Free Rotation......11-22
Daily Maintenance Checks. .....................................11-23
Pre-flight Checks. .......................................................11-23
Troubleshooting and Abnormal Operation. ................11-24
Troubleshooting. .....................................................11-24
Engine Keeps Running With Ignition OFF. ........11-24
Knocking Under Load. ........................................11-24
Abnormal Operating. ...............................................11-24
Exceeding the Maximum Admissible Engine Speed. ...................................................................11-24
Exceeding of Maximum Admissible Cylinder Head Temperature. ...............................11-24
Exceeding of Maximum Admissible Exhaust Gas Temperature. ...................................11-24
Engine Preservation. ...................................................11-24
General Maintenance Practices for the Light- Sport Jabiru Engines. ..................................................11-25
Engine and Engine Compartment Inspection. .........11-25
Lubrication System.................................................11-25
Carburetor Adjustment and Checks. .......................11-25
Sp ark Plugs. .............................................................11-25
Exhaust System. ......................................................11-26
Head Bolts. ..............................................................11-26
Tachometer and Sender. ..........................................11-26
Engine Inspection Charts. ...........................................11-26
Glossary. ..............................................................G-1
Index. ......................................................................I-1