Landing Gear Flashcards
What is the purpose of a torque link on an oleo strut?
To keep the wheel in alignment and prevent the piston from coming out of the cylinder
A landing gear shock strut should be inflated with what gas?
Nitrogen or dry air
what conditions should a mechanic look for during a regular inspection of the exposed piston section of a landing gear ?
Cleanliness, evidence of damage, and proper extension
What prevents air from leaking out between the two halves of a split wheel assembly?
O ring
why are fusible plugs installed on some aircraft wheels?
to release the pressure generated by heat build up before a tire blows
What safety precaution must be taken when removing a wheel from an axle or when disassembling a wheel?
Verify that the tire is completely deflated before removing a wheel from an axle or before wheel disassembly
What are the visible signs of excessive heating on a wheel bearing?
The bearing surface show discoloration
how are the pilot’s nose wheel steering commands transmitted to the steering control unit of a large aircraft?
steering signals may be transmitted mechanically, electrically or hydraulically
How is the nose wheel steering mechanism usually actuated on a small aircraft?
BY means of a mechanical linkage connected to the rudder pedals
What is the name of the unit that prevents a nose wheel from vibrating or oscillating?
A shimmy damper
What are the most common sources of power used to extend and retract landing gear?
Hydraulic pressure and electric motor
At what time should a gear retraction check be performed?
During an annual inspection or other inspections and following a hard landing
What mechanism(s) ensure that a nose wheel is not turned as it retracts into its wheel well?
Internal centering cams in the strut or an external track
*Name several types of brake actuating system?
Independent master cylinders, boosted brakes, and power controlled brake
*What is the function of an anti skid system?
anti skid system allow larger airplane to achieve maximum braking effectiveness without allowing wheels to skid or lock