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AIRFRAME 07

Aircraft Landing Gear Systems

QuestionAnswer
What is used to inflate a landing gear shock strut? Dry air or nitrogen
What is the purpose of main landing gear torque links? They keep the landing gear pointed in a straight ahead direction
What power sources are normally used to retract landing gear systems? Hydraulic or electrical
What type of nosewheel steering is provided on small aircraft? A simple system consisting of mechanical linkage hooked to the rudder pedals
What unit prevents nosewheel vibration? A shimmy damper
What are some types of brake actuating systems? Independent, booster, and power control
What is the purpose of power brake debooster cylinders? They reduce the pressure to the brakes and increase the volume of fluid flow
What must be accomplished before inspecting a wheel brake system for hydraulic leaks? Pressurize the system
What prevents a split wheel from leaking air through the inner and outer mating surfaces, or the wheel asssembly? A rubber packing between the two assemblies
What is the most necessary maintenance function for safe, long, aircraft tire service? Proper inflation
What are the effects of under inflation on tires? Rapid or uneven wear near the edge of tread, and creep or slip when the brakes are applied
When should a landing gear retraction check be accomplished? During an annual inspection(or other inspections), when landing gear components have been replaced, and after hard landings
What is the indication of excessive heating of a wheel bearing? Discoloration; bluish tint to the metal surface
What is the purpose of an anti-skid system? To bring a fast moving aircraft to a stop during ground roll without tire skidding
What is the purpose of a wheel fusible plug? To relieve air pressure to prevent tire blowout
What methods are used for transmitting cockpit control movements to a steering control unit in large aircraft? Mechanical, electrical, or hydraulic
What prevents a nose landing gear from being retracted with the nosewheel out of the center position? Nosewheel centering internal cams or external track
Created by: Chisum
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