The centering device for the nose gear consists of which components?

The centering device for the nose gear consists of which components?

• A. A simple spring-loaded pin.
• B. Two hydraulic actuators.
• C. An upper locating cam attached to the upper cylinder and a mating lower locating cam attached to the lower cylinder.
• D. A wheel alignment screw.

Answer: (C)

Centering the nose gear relies on a cam-based alignment system that ensures the wheel sits in the correct position as the gear extends and retracts. The upper locating cam attached to the upper cylinder and its mating lower locating cam attached to the lower cylinder act together like two halves of a keyed mechanism. As the gear moves, these cams engage and guide the gear into a centered, repeatable position, resisting misalignment from loads during operation and ensuring proper door and wheel alignment on every cycle. A simple spring-loaded pin wouldn’t provide continuous, reliable centering through the gear travel; two hydraulic actuators describe actuation rather than a centering guidance; and a wheel alignment screw adjusts toe rather than providing the precise centering action between the gear cylinders.

Centering the nose gear relies on a cam-based alignment system that ensures the wheel sits in the correct position as the gear extends and retracts. The upper locating cam attached to the upper cylinder and its mating lower locating cam attached to the lower cylinder act together like two halves of a keyed mechanism. As the gear moves, these cams engage and guide the gear into a centered, repeatable position, resisting misalignment from loads during operation and ensuring proper door and wheel alignment on every cycle. A simple spring-loaded pin wouldn’t provide continuous, reliable centering through the gear travel; two hydraulic actuators describe actuation rather than a centering guidance; and a wheel alignment screw adjusts toe rather than providing the precise centering action between the gear cylinders.