Apr 19, 2024  
2021-2022 College Catalog 
    
2021-2022 College Catalog [ARCHIVED CATALOG]

AVM 234 - Engine Fuel Metering and Operation

4 Credits, 8 Contact Hours
2 lecture periods 6 lab periods

Fundamentals of aircraft fuel systems. Includes fuel metering theory and requirements, aviation fuels, float type carburetion, float carburetor maintenance and installation, and pressure carburetor maintenance and installation. Also includes fuel injection systems, Bendix fuel injection and maintenance, and Teledyne Continental Motors (TCM) fuel injection and maintenance. Also includes fuel metering system components and maintenance, turbine engine fuel systems components and maintenance, jet fuel controls; and reciprocating, turbine, and turbo propeller engine operations.

  button image Prior Learning and link to PLA webpage

Course Learning Outcomes
  1. Demonstrate proficient knowledge of engine fuel metering systems
  2. Demonstrate proficient knowledge of aircraft carburetors
  3. Demonstrate proficient knowledge of engine fuel metering system maintenance
  4. Demonstrate proficient knowledge of engine operation

Outline:
  1. Fuel Metering Theory
    1. Energy transformation
    2. Fuel air mixtures
    3. Efficiencies
    4. Power production
  2. Aviation Fuels
    1. Automotive gasoline
    2. Aviation gasoline
    3. Aviation turbine engine fuels
    4. Fuel ratings and grades
    5. Fuel additives
    6. Fuel contamination
    7. Fuel handling
  3. Fuel Metering Requirements
    1. Basic operations
    2. Operating environments
  4. Float Carburetors
    1. Float Type Carburetion
      1. Main metering system
      2. Mixture control
      3. Idle metering
      4. Idle mixture
      5. Acceleration system
      6. Power enrichment
    2. Float Carburetor Maintenance
      1. Destinations
      2. Data plates
      3. Inspection and checks
      4. Servicing
      5. Overhaul
    3. Float Carburetor Installations
      1. Mounting
      2. Adjustments
      3. Troubleshooting
      4. Supply lines
      5. Adjustments
  5. Pressure Carburetors
    1. Pressure Carburetor Components
      1. Fuel and air metering forces
      2. Mixture control
      3. Idle systems
      4. Acceleration systems
      5. Power enrichment
    2. Pressure Carburetor Maintenance
      1. Designations
      2. Inspection and checks
      3. Servicing
      4. Overhaul
      5. Adjustments
    3. Pressure Carburetor Installations
      1. Mounting
      2. Adjustments
      3. Troubleshooting
      4. Supply fuel lines
      5. Fuel pumps
  6. Fuel Injection Systems
    1. Principles of operation
    2. System components
    3. Fuel plumbing
    4. Fuel pumps
  7. Fuel Injection (Bendix)
    1. Components
      1. Metering forces
      2. Fuel flow
      3. Idle system
      4. Power enrichment
      5. Injectors
      6. Mixture control
    2. Fuel Injection Maintenance (Bendix)
      1. Inspection and checks
      2. Servicing
      3. Troubleshooting
      4. Repairs
      5. Adjustments
      6. Overhaul
  8. Fuel Injection (TCM)
    1. Components
      1. Fuel control unit
      2. Injection pump
      3. Fuel manifold
      4. Supply and return lines
      5. Injector nozzles
    2. Fuel Injection Maintenance (TCM)
      1. Inspection and checks
      2. Servicing
      3. Troubleshooting
      4. Adjustments
      5. Repairs
      6. Overhaul
  9. Fuel Metering Systems
    1. Fuel Metering System Components
      1. Lines and fittings
      2. Hoses and clamps
      3. Fuel pumps
      4. Mounting (installation)
    2. Fuel Metering System Components Maintenance
      1. Inspection and checks
      2. Servicing and repair
      3. Troubleshooting
      4. Adjustment and tests
  10. Reciprocating Engine Operations
    1. Terms and definitions
    2. Controls
    3. Engine monitoring instruments
    4. Performance charts
    5. Emergency procedures
    6. Operational checks
  11. Turbine Engine Fuel System Basics
    1. Requirements
    2. Jet fuel metering basics
    3. Turbine engine pressure and temperature sensing
    4. Engine start sequence
    5. Engine run parameters
    6. Engine shut down sequence
  12. Turbine Fuel System Components
    1. Main fuel pumps
      1. Constant displacement
      2. Variable displacement
    2. Fuel heaters
    3. Fuel filters
    4. Fuel spray nozzles
    5. Fuel manifolds
      1. Simplex
      2. Duplex
      3. Flow divider
    6. Fuel pressurizing and dump values
  13. Turbine Engine Jet Fuel Controls
    1. Principles of operation
    2. Venturi and regulator valves
    3. Metering value
    4. Speed sensing
    5. Fuel drain valve
    6. Pressure regulating valve
    7. Throttle valve
    8. Surge and temperature valve
    9. Translating cam
    10. Speed protection
  14. Turbine Engine Fuel System Maintenance
    1. Inspection and checks
    2. Servicing
    3. Adjustment and test
    4. Troubleshooting
    5. Repairs
  15. Turbine Engine Operations
    1. Terms and definitions
    2. Controls
    3. Engine monitoring instruments
    4. Performance charts
    5. Emergency procedures
    6. Operational checks
  16. Turbo Propeller Operations
    1. Terms and definitions
    2. Controls
    3. Engine monitoring instruments
    4. Performance charts
    5. Emergency procedures
    6. Operational checks


Effective Term:
Full Academic Year 2021/2022