Maricopa Community Colleges  AMT288   19896-19935 
Official Course Description: MCCCD Approval: 09/21/93
AMT288 19896-19935 L+L 4 Credit(s) 8 Period(s)
Aircraft Auxiliary Systems
Operation, maintenance, servicing inspection and troubleshooting of aircraft auxiliary systems including environmental control systems, ice and rain control systems, fire protection and position indicating and warning systems. Prerequisites: Admission to the program.
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MCCCD Official Course Competencies:
 
AMT288   19896-19935 Aircraft Auxiliary Systems
1. Repair heating, cooling, air-conditioning, pressurization and oxygen system components. (I)
2. Inspect, check, troubleshoot, service and repair heating, airconditioning, cooling and pressurization systems. (I)
3. Inspect, check, troubleshoot, service and repair oxygen systems. (II)
4. Install, service, check airframe electrical wiring, switches, controls, indicators and protective services. (II)
5. Inspect, check and service, speed and takeoff warning systems, electrical brake controls and anti-skid systems. (III)
6. Inspect, check, troubleshoot, service and repair landing gear position indicating and warning systems. (III)
7. Inspect, check, troubleshoot, service and repair airframe ice and rain control systems. (IV)
8. Inspect, check, and service smoke and carbon monoxide detection systems. (V)
9. Inspect, check, service, troubleshoot and repair aircraft fire detection and extinguishing systems. (V)
10. Inspect, check, service, troubleshoot and repair engine fire detection and extinguishing systems. (V)
11. Inspect, check, service and repair propeller synchronizing and ice control systems. (IV)
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MCCCD Official Course Outline:
 
AMT288   19896-19935 Aircraft Auxiliary Systems
    I. Environmental Control Systems Inspection and Repair
        A. Environmental Control Systems - Overview and History of Development
          1. Heating: exhaust heat exchangers, combustion heaters, compressors/bleed air
          2. Cooling: vapor cycle air-conditioning, air cycle air conditioning
          3. Pressurization: FAR's for pressurization and oxygen, extended capabilities of pressurized aircraft
          4. Oxygen: gaseous HP and LP (high pressure and low pressure), liquid oxygen, chemical generators
        B. Cabin heat - exhaust heat exchangers
          1. Exhaust gas flow
          2. Heated air flow
          3. Heat exchanger (baffles, surface area, temperature differential)
          4. Heated air control - cabin/carburetor
          5. Factors affecting cabin heat (system design, OAT, power setting, airspeed)
        C. Cabin heat - combustion heaters
          1. Fuel system
          2. Ignition
          3. Combustion liner
          4. Combustion air flow
          5. Ventilating air flow
          6. Operation
          7. Electrical control and schematics
          8. Inspection, servicing, airworthiness directives
        D. Vapor cycle air-conditioning
          1. Theory of operation
          2. Compressor
          3. Condenser
          4. Receiver dryer
          5. Expansion valve
          6. Evaporator
          7. Operation
          8. Servicing
          9. Repairing water in lines, slugging compressor, slipping belts, clutches, checking and adding lubricant
        E. Air cycle air-conditioning
          1. Theory of operation
          2. Air source
          3. Filters and shutoff valves
          4. Primary heat exchanger
          5. Compressor
          6. Secondary heat exchanger
          7. Turbine
          8. Mix valve
          9. Water separator
          10. Temperature controls
          11. Temp limit sensors
          12. System operation
          13. System servicing and troubleshooting
        F. Pressurization systems
          1. Theory of operation
          2. Sources of flow
          3. Pressure vessel characteristics
          4. Outflow valve control
          5. Safety valves
          6. Operation, servicing and troubleshooting
      II. Oxygen Systems Inspection, Repair and Troubleshoot
          A. Oxygen requirements in pressurized and unpressurized aircraft
          B. Types of oxygen systems
          C. Gaseous oxygen
          D. Liquid oxygen
          E. Chemical oxygen generators
          F. Operation servicing and troubleshooting of oxygen systems
          G. Portable oxygen systems
          H. Breathing apparatus
        III. Position and Warning Systems Inspection, Service and Repair
            A. Overview:
              1. Caution: alert of abnormal situation
              2. Warning: requires immediate attention
              3. System annunciations: displays condition or mode of operation
            B. Types of warnings:
              1. Visual: lights, flags, CRT displays
              2. Aural: bells, clackers, sirens, horns
              3. Tactile: stick shaker, rudder shaker, stick pusher
            C. Condition requiring warnings
            D. Conditions requiring cautions
            E. Conditions requiring annunciations:
              1. Mode selection
              2. Built-in monitoring (status flags)
            F. Typical display and annunciation systems
            G. Typical annunciation and warning systems
            H. Inspection and troubleshooting of gear position
          IV. Ice and Rain Control Inspection and Repair
              A. Overview: types of ice and icing conditions
              B. Types of ice control
              C. Thermal device systems
                1. Electrically heated elements: windshields, props, flight controls
                2. Components of electric deice systems
                3. Inspection and servicing of electric deice systems
                4. Hot air deice system
              D. Mechanical ice removal
                1. Components and operation
                2. Pneumatic deicer inspection, servicing, repair, removal and installation
              E. Chemical ice removal
                1. Types
                2. Props
                3. Weeping leading edge
              F. Windshield ice/rain control
              G. Miscellaneous deiced components
              H. Inertial separators
            V. Detection and Extinguishing System Inspection and Repair
                A. Fire protection - detection
                  1. Fire zones
                  2. Spot detectors
                  3. Thermocouple
                  4. Continuous loop systems
                  5. Smoke detectors
                B. Fire protection - extinguishing
                  1. Theory
                  2. Classes of fire
                  3. Types of extinguishers
                  4. Portable extinguishers
                  5. Built-in extinguishing systems
                  6. Properties and effects of extinguishing agents
                  7. Operation of extinguishing systems
                  8. Servicing of extinguishing systems
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