Maricopa Community Colleges  AMT226   19936-99999 
Official Course Description: MCCCD Approval: 05/25/93
AMT226 19936-99999 L+L 7 Credit(s) 12 Period(s)
Aircraft Landing Gear, Hydraulic, Pneumatic, Fuel, Position and Warning Systems
Identification, inspection, repair, and troubleshooting techniques of aircraft landing gear, hydraulic, fuel, pneumatic, and position and warning system components. Prerequisites: Admission to the program.
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MCCCD Official Course Competencies:
 
AMT226   19936-99999 Aircraft Landing Gear, Hydraulic, Pneumatic, Fuel, Position and Warning Systems
1. Identify and select hydraulic fluids. (I)
2. Explain classifications of rigid and flexible fluid lines. (II)
3. Repair hydraulic and pneumatic power systems components. (III)
4. Inspect, troubleshoot, and repair hydraulic and pneumatic power systems. (III)
5. Inspect, check, service, and repair landing gear, retraction systems, shock struts, brakes, wheels, tires, and steering systems. (IV)
6. Jack aircraft. (IV)
7. Inspect, check, troubleshoot, and service landing gear position indicating and warning systems. (IV)
8. Check and service fuel dump systems. (V)
9. Perform fuel management, transfer, and defueling. (V)
10. Inspect, check, and repair pressure fueling systems. (V)
11. Repair aircraft fuel system components. (V)
12. Inspect, check, service, troubleshoot, and repair aircraft fuel systems. (V)
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MCCCD Official Course Outline:
 
AMT226   19936-99999 Aircraft Landing Gear, Hydraulic, Pneumatic, Fuel, Position and Warning Systems
    I. Hydraulic Fluid Power
        A. Fluid power basics
          1. Types
          2. Definitions
          3. Open systems
          4. Closed systems
          5. Pressure, force, area relationships
          6. Area, distance, volume relationships
          7. Volume, flow, speed relationships
          8. Power, work, energy
        B. Fluids
          1. Fluid properties
          2. Types
      II. Fluid Lines Review
          A. Classification
          B. Rigid fluid lines
            1. Specification by outside diameter, wall thickness, material and alloy
            2. Air Force-Navy Aeronautical Standards (AN) flared fittings with new Military Aeronautical Standards (MS) numbers--37 degree
            3. MS flareless fittings
            4. Air Force, formally Army Air Corps (AC) fittings--35 degree
            5. Beaded tube and clamp
          C. Flexible fluid lines
            1. Purpose and desirable characteristics
            2. Materials
            3. Identification, selection, and inspection
            4. Types
            5. Removal and installation of hose
        III. Hydraulic and Pneumatic Component Repair
            A. Aircraft hydraulic reservoirs
              1. Designs
              2. Types
              3. Servicing
            B. Aircraft hydraulic pumps
              1. Basics, pressure versus resistance to flow
              2. Fixed and variable delivery
              3. Type
              4. Failures
              5. Overhaul procedures
              6. Disassembly, inspection, parts identification, and reassembly of piston and gear pumps
            C. Regulating systems
              1. Pressure regulation through flow diversion
              2. Relief valves
              3. Pressure regulators
              4. Pressure reducing valves
              5. Troubleshooting aircraft pressure regulators
              6. Pressure gauge
            D. Aircraft hydraulic accumulators
              1. Uses and purposes
              2. Design
              3. Types
              4. Air valves
              5. Servicing
              6. Troubleshooting using flight deck system indications
              7. Removal and installation
            E. Directional control valves
              1. Selector
              2. Servo
              3. Check
            F. Flow control valves
              1. Fixed orifice
              2. Variable restrictor
              3. Orifice check
              4. Metering check
              5. Sequence
              6. Priority
              7. Manually operated check
              8. Shuttle
              9. Hydraulic fuses
              10. Firewall shutoff
            G. Aircraft hydraulic filters
              1. Filter construction
              2. Element types and ratings
              3. Features
              4. Placement
              5. Servicing
            H. Seals
              1. Types
                a. Gasket
                b. Packing
                c. Chevron
                d. "U"
                e. "Garlock"
                f. Crush washers
              2. Design
              3. Materials
              4. Identification and usage
              5. Installation, removal, storage, inspection, and special tools
              6. Accessories
            I. Actuators
              1. Principles
              2. Resolution of forces
              3. Actuator construction
                a. Single acting
                b. Double acting
                c. Special types
                d. Motors
              4. Disassembly and inspection procedures
              5. Troubleshooting procedures
            J. Modular units
              1. Power packs
              2. Line replaceable units
            K. Hydraulic systems
              1. Inspection and repair procedures
                a. Demand
                b. Full-time
                c. Multiple
              2. Troubleshooting procedures
            L. Inspections
            M. Pneumatic systems
              1. Basic information
              2. Types and uses
              3. Components different from hydraulic high pressure
              4. Inspection and repair procedures
              5. Troubleshooting procedures
          IV. Landing Gear Inspection and Repair
              A. Wheels, tires, and bearings
                1. History
                2. Classes and sizes of tires
                3. Types of wheels
                4. Tread designs, special features
                5. Tire construction
                6. Removal and installation
                7. Inspection procedures
                8. Repair and servicing procedures
                9. Wheel bearing lubricants
              B. Landing gear systems
                1. Loads on landing gear
                  a. Weight
                  b. Momentum
                2. Landing gear configurations
                  a. Conventional
                  b. Tricycle
                  c. Fuselage
                  d. Wing tip
                  e. Amphibian
                  f. Floats
                  g. Seaplane
                  h. Skis
                  i. Modifications and special types
                3. Non shock absorbing
                  a. Rigid gear
                  b. Elastic shock cord type gear
                  c. Spring steel gear
                4. Shock absorbing gear
                  a. Common features
                  b. Spring oil strut
                  c. Air oil shock strut
                  d. Military snubber strut
                  e. Mechanical condition checks
                5. Trailing link gear
                6. Landing gear design
                  a. Fixed
                  b. Retractable
                7. Components
                8. Types of retraction systems
                9. Types of steering systems
                10. Inspection and troubleshooting of gear position
                  a. Overview
                  b. Warning horn
                  c. Electrical schematic
                11. Jacking
                12. Inspection and repair procedures
                13. Operation
                14. Servicing and alignment procedures
              C. Aircraft brakes
                1. Physics and history
                2. Types
                3. Disc brake system nomenclature
                4. Methods of attachment
                5. Sources of power
                6. Types of control
                  a. Unboosted
                  b. Boosted or power brakes
                  c. Electrical control
                  d. Manual control
              D. Brake system
                1. Inspection procedures
                2. Removal and installation of hydraulic brake systems and components
                3. Repair and servicing procedures
                4. Troubleshooting procedures
              E. Anti-skid systems
                1. Purpose and use
                2. Components
                3. Operation
                4. Inspection and test procedures
                5. Servicing procedures
            V. Fuel Systems, Inspections, Repairs, and Handling
                A. Fuels
                  1. Types of fuels and fuel additives
                  2. Types of fuel applications to aircraft engines
                B. Fuel management
                  1. Storage facilities
                  2. Safety
                  3. Aircraft fueling and defueling
                  4. Fuel transfer and dump
                  5. Fuel contamination
                  6. Methods of contamination prevention
                C. Airframe fuel systems and components
                  1. Basic airframe fuel systems
                  2. Basic airframe fuel system components
                  3. Complex airframe fuel systems
                  4. Complex airframe fuel system components
                  5. Tanks
                  6. Filler caps
                  7. Inspection procedures
                  8. Repair procedures
                D. Airframe fuel system assembly, inspection, and repair
                  1. Fuel quantity indicator types
                  2. Pressure indicators
                  3. Lines
                  4. Fittings
                  5. Pumps
                  6. Switches
                  7. Valve assemblies
                  8. Filter assemblies, sumps, and screens
                  9. Fuel management
                  10. Service procedures
                  11. Repair procedures
                  12. Troubleshooting procedures
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