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Aircraft Tires

Aircraft Tires

Care and Maintenance Tire Care and Maintenance


15. Matching Tire Diameters

Axle mate tires ought to have close outside-diameters, in order to equalize vertical load bearing.
Recommended tolerance of the diameter difference for the inflated tire is listed in the Table 4.

Table 4

Tire Outside Diameter Inch (mm) Maximum Tolerance Inch (mm)
Up to 24" (610) 1/4" (6.4)
24~32 (611~813) 5/16" (7.9)
32~40 (814~1016) 3/8" (9.5)
40~48 (1017~1219) 7/16" (11.1)
48~55 (1220~1397) 1/2" (12.7)
55~65 (1398~1651) 9/16" (14.3)
66~over (1652~over) 5/8" (15.9)

16. Tire Flat-spot


17. Protection from Contamination

Care should be taken that tires do not come into contact with oil, gasoline, jet fuel, hydraulic fluids or similar hydrocarbons. Such substances have deteriorating effects on rubber. When servicing aircraft, cover tires. Be especially careful not to stand or lay tires on floors that are covered with these contaminants.


18. Maintenance of Airport Surfaces

The items in the photograph were picked up from taxi ramps, service areas and runways. These objects present a potential danger to tires and to aircraft.

Airport surfaces require excellent maintenance. If airport surfaces and runways are rough or poorly maintained (holes, cracks, foreign objects) aircraft tires are liable to be damaged. Strict control of hanger, runways, ramps and other field areas is especially important where large, high speed aircraft operate.
Bolts, nuts, rivets, tools and other foreign objects will easily cut into aircraft tires.


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Tire Care and Maintenance


Instructions specific to radial tires


Aircraft Tires