American Legend AL18 Super Legend 2019 User manual

American Legend AL18 Super
Legend
Maintenance Manual
Rev 2.0
Date of Revision: 9/27/2013
American Legend Document #: 500-MS1014

Legend Aircraft Maintenance Manual –AL18 2
© American Legend Aircraft Company Rev 2.0
Date of Revision: 9/27/2013
Table of Contents
Table of Contents.......................................................................................................................................... 2
Table of Figures............................................................................................................................................. 7
1. General................................................................................................................................................. 9
1.1. Manufacturer................................................................................................................................ 9
1.2. Physical Dimensions...................................................................................................................... 9
1.3. Three-View Drawing ...................................................................................................................10
1.4. Materials .....................................................................................................................................10
1.5. Equipment List ............................................................................................................................10
1.6. Source to Purchase Parts ............................................................................................................ 10
1.7. List of Disposable Replacement parts......................................................................................... 10
1.8. Engine Specifications .................................................................................................................. 11
1.9. Weight and Balance Information................................................................................................ 12
1.10. Tire Inflation............................................................................................................................12
1.11. Approved Oils and Capacities .................................................................................................13
1.11.1. Lycoming YO-233 ................................................................................................................13
1.12. Recommended Fastener Torque Values................................................................................. 13
1.13. General Safety Information..................................................................................................... 13
1.14. Instructions for Reporting Possible Safety of Flight Concerns during
Inspections/Maintenance.......................................................................................................................13
2. Inspections ......................................................................................................................................... 14
3. Structures ...........................................................................................................................................15
3.1. Wing ............................................................................................................................................ 15
3.1.1. Wing Removal ..................................................................................................................... 15
3.1.2. Wing Installation ................................................................................................................. 16
3.2. Empennage .................................................................................................................................18
3.2.1. Trim Jackscrew Mechanism Removal/Installation.............................................................. 18
3.2.2. Required Tools: ................................................................................................................... 18
3.2.3. Torque Tube Removal/Installation ..................................................................................... 18
3.3. Landing Gear ............................................................................................................................... 20
3.3.1. Landing Gear Removal/Installation..................................................................................... 20
3.4. Tailwheel Removal/Installation .................................................................................................. 22
3.5. Structural Control Surfaces......................................................................................................... 24

Legend Aircraft Maintenance Manual –AL18 3
© American Legend Aircraft Company Rev 2.0
Date of Revision: 9/27/2013
3.5.1. Aileron Removal..................................................................................................................24
3.5.2. Aileron Installation and Rigging ..........................................................................................26
3.5.3. Elevator Removal ................................................................................................................ 27
3.5.4. Elevator Installation and Rigging.........................................................................................28
3.5.5. Rudder Removal.................................................................................................................. 29
3.5.6. Rudder Installation..............................................................................................................31
3.5.7. Stabilizer Removal...............................................................................................................32
3.5.8. Stabilizer Installation and Rigging ....................................................................................... 32
3.5.9. Flap Removal/Installation ................................................................................................... 33
3.5.10. Flap Control Mechanism Removal/Installation................................................................... 36
4. Engine................................................................................................................................................. 37
4.1. Engine (Lycoming YO-233) .......................................................................................................... 37
4.1.1. Engine Removal/Installation ...............................................................................................40
4.1.2. Exhaust Removal................................................................................................................. 40
4.1.3. Exhaust Installation.............................................................................................................43
4.1.4. Alternator Removal/Installation .........................................................................................43
4.1.5. Spark Plug Removal/Installation .........................................................................................45
4.1.6. Oil Change ........................................................................................................................... 45
4.1.7. Other Engine Maintenance and Repair............................................................................... 46
5. Fuel System ........................................................................................................................................ 47
5.1. Fuel Tank Removal/Installation .................................................................................................. 49
5.1.1. Required Tools: ................................................................................................................... 49
5.1.2. Parts Required:.................................................................................................................... 49
5.1.3. Level of Maintenance: Line .................................................................................................49
5.1.4. Certification Required: A&P or LSA Repairman Maintenance ............................................49
5.1.5. Verification..........................................................................................................................49
5.2. Gascolator Removal/Installation ................................................................................................49
5.2.1. Required Tools: ................................................................................................................... 51
5.2.2. Parts Required:.................................................................................................................... 51
5.2.3. Level of Maintenance: Preventive ......................................................................................51
5.2.4. Certification Required: Sport Pilot Certificate or higher..................................................... 51
5.3. Fuel Gauge Removal ...................................................................................................................51
5.4. Fuel Gauge Installation ............................................................................................................... 52
5.4.1. Required Tools: ................................................................................................................... 52
5.4.2. Parts Required:.................................................................................................................... 52

Legend Aircraft Maintenance Manual –AL18 4
© American Legend Aircraft Company Rev 2.0
Date of Revision: 9/27/2013
5.4.3. Level of Maintenance: Line .................................................................................................52
5.4.4. Certification Required: A&P or LSA Repairman Maintenance ............................................52
5.4.5. Verification..........................................................................................................................52
6. Propeller............................................................................................................................................. 53
6.1. Propeller Removal, Installation, and Repair ...............................................................................53
6.1.1. Required Tools .................................................................................................................... 53
6.1.2. Required Parts..................................................................................................................... 53
6.1.3. Level of Maintenance: Line .................................................................................................53
6.1.4. Certification Required: A&P or LSA Repairman Maintenance ............................................53
6.1.5. Other Propeller Maintenance and Repair........................................................................... 55
7. Utility Systems (Heater/Vent) ............................................................................................................ 56
7.1. Description.................................................................................................................................. 56
7.2. Heater System.............................................................................................................................57
7.2.1. Removal of Heat Shroud ..................................................................................................... 57
7.2.2. Installation of Heat Shroud .................................................................................................57
7.3. Removal of cabin heat box.......................................................................................................... 57
7.3.1. Required Tools: ................................................................................................................... 57
7.3.2. Parts Required:.................................................................................................................... 57
7.3.3. Level of Maintenance: Line .................................................................................................58
7.3.4. Certification Required: A&P or LSA Repairman Maintenance ............................................58
7.4. Installation of cabin heat box......................................................................................................58
7.4.1. Required Tools: ................................................................................................................... 58
7.4.2. Parts Required:.................................................................................................................... 58
7.4.3. Level of Maintenance: Line ................................................................................................ 58
7.4.4. Certification Required: A&P or LSA Repairman Maintenance ............................................58
7.4.5. Verification..........................................................................................................................58
7.5. Ventilation System ......................................................................................................................59
7.6. Removal of Vents ........................................................................................................................59
7.6.1. Required Tools: ................................................................................................................... 59
7.6.2. Parts Required:.................................................................................................................... 59
7.6.3. Level of Maintenance: Line ................................................................................................ 59
7.6.4. Certification Required: Sport Pilot Certificate or higher..................................................... 59
7.7. Installation of Vents ....................................................................................................................59
7.7.1. Required Tools: ................................................................................................................... 59
7.7.2. Parts Required:.................................................................................................................... 59

Legend Aircraft Maintenance Manual –AL18 5
© American Legend Aircraft Company Rev 2.0
Date of Revision: 9/27/2013
7.7.3. Certification Required: Sport Pilot Certificate or higher..................................................... 59
7.7.4. Verification..........................................................................................................................59
8. Instruments and Avionics...................................................................................................................60
8.1. Description.................................................................................................................................. 61
8.2. Removal ...................................................................................................................................... 61
8.2.1. Required Tools: ................................................................................................................... 61
8.2.2. Parts Required:.................................................................................................................... 61
8.2.3. Level of Maintenance: Line .................................................................................................61
8.2.4. Certification Required: A&P or LSA Repairman Maintenance ............................................61
8.3. See owner’s manual....................................................................................................................61
8.4. Installation .................................................................................................................................. 61
8.4.1. Required Tools: ................................................................................................................... 61
8.4.2. Parts Required:.................................................................................................................... 61
8.4.3. Level of Maintenance: Line .................................................................................................61
8.4.4. Certification Required: A&P or LSA Repairman Maintenance ............................................61
8.5. Verification..................................................................................................................................61
9. Electrical System ................................................................................................................................ 62
9.1. Description.................................................................................................................................. 62
9.2. Schematic.................................................................................................................................... 62
10. Structural Repair ............................................................................................................................. 64
11. Painting and Coating .......................................................................................................................65
12. Revisions .........................................................................................................................................66
13. Feedback Form................................................................................................................................ 67
14. Misc.................................................................................................................................................68
14.1. Overhaul.................................................................................................................................. 68
14.2. Major Repairs and Alterations ................................................................................................68
14.3. Task-Specific Training.............................................................................................................. 69
14.4. Safety Directives......................................................................................................................69
14.5. Safety Alert.............................................................................................................................. 69
14.6. Service Bulletin........................................................................................................................ 69
14.7. Notification .............................................................................................................................69
14.8. Reporting Forms and 100 Hour/Annual Checklist ..................................................................70
Appendix A. Equipment List........................................................................................................................71
Appendix B. Reporting Forms ....................................................................................................................73
Appendix C. 100 Hour / Annual Checklist ...............................................................................................74
Table of contents