[附件修理] 固特异轮胎维护手册

Aircraft Tire Care & Maintenance
Contents
INTRODUCTION.......................................................... 1
1. GENERAL DATA.........................................................5
Bias Ply Aircraft Tire Construction...................................5
Radial Ply Aircraft Tire Construction................................. 7
Tire Terminology...............................................................9
Bias and Radial Aircraft Tire Guidelines.................................. 10
Tire Marking..............................................................................10
Aircraft Tire Serial Number Codes...........................................11
2. TIRE AND TUBE STORAGE..............................................12
Tire and Tube Age Limit.........................................................12
Storage of Mounted Assemblies............................................. 13
Matching Dual Tires.................................................................13
3. MOUNTING PROCEDURES...................................................14
Aircraft Wheels..........................................................................14
Wheel Manufacturer’s Instructions...........................................14
Safety Precautions with Wheels................................................14
Balance Pads...........................................................................15
Tube Type................................................................................ 15
Tubes in Tubeless Tires.............................................................16
Tubeless Tires.............................................................................16
Inflation Pressure Loss in Tube Type Assemblies.......................................17
Inflation Pressure Loss in Tubeless Assemblies................................................... 17
Special Procedures – Emergency Tire Stretch............................................... 19
4. PREVENTIVE MAINTENANCE................................................................................. 20
Proper Inflation Procedures...................................................................... 20
Procedures for Hot Tire Inflation Pressure Checks.................................................. 22
Casing Flat Spotting................................................................................................... 23
Special Procedures – Above Normal Braking Energy............................................. 23
Protecting Tires From Chemicals and Exposure.....................................................................23
Condition of Airport and Hangar Floor Surfaces..................................................... 24
Aircraft Tire Conductivity...............................................................................................24
Tire Balancing and Landing Gear Vibration............................................................25
5. INSPECTING MOUNTED TIRES........................................................................... 26
Treadwear................................................................................................................... 26
Return to Base Limits.............................................................................................. 26
Uneven Wear.......................................................................................................... 26
Tread Cuts...............................................................................................................26
Sidewall Damage....................................................................................................... 26
Bulges..........................................................................................................................26
Fabric Fraying/Groove Cracking............................................................................... 27
Flat Spots................................................................................................................... 27
Casing Flat Spotting................................................................................................ 27
Radial Tire Sidewall Indentation.............................................................................. 27
Beads.......................................................................................................... 27
Tire Clearance.....................................................................................................27
Wheels................................................................................................................... 27
Inflation Pressure Loss in Tire/Wheel Assemblies....................................................... 27
Typical Treadwear Patterns......................................................................................... 28
Sidewall Conditions....................................................................................... 33
Bead Conditions............................................................................................... 34
Casing Conditions........................................................................................ 34
Shipping Inflation.......................................................................................... 35
Shipping and Handling Damage.......................................................................... 35
6. DEMOUNTING......................................................................................................... 36
7. AIRCRAFT TIRE PROPERTIES........................................................................... 37
Tire Size Classifications................................................................................... 37
Aircraft Tire -vs- Other Tire Applications............................................................... 38
8. EFFECTS OF OPERATING CONDITIONS........................................................... 39
Centrifugal Force........................................................................................... 39
Traction Wave............................................................................................................ 40
Heat Generation...................................................................................................... 43
Tensile, Compression and Shear Forces................................................................... 48
Tire Inflation...................................................................................................... 53
9. ADDITIONAL RESOURCES................................................................................. 54
FAA AC 20-97B.................................................................................................... 54