Podcast
Questions and Answers
What is the purpose of the restrictors in the orifice check valves?
What is the purpose of the restrictors in the orifice check valves?
- To prevent the flow of hydraulic fluid
- To slow down the extension of the gear (correct)
- To activate the free-fall valve
- To speed up the extension of the gear
In aircraft with a non-mechanical back-up for gear unlatching, what power source is commonly used?
In aircraft with a non-mechanical back-up for gear unlatching, what power source is commonly used?
- Electrical power
- Mechanical power
- Pneumatic power (correct)
- Hydraulic power
What type of valve is used in small aircraft for emergency gear extension?
What type of valve is used in small aircraft for emergency gear extension?
- Free-fall valve (correct)
- Pressure relief valve
- Check valve
- Solenoid valve
Why does air movement past the gear help in its extension during emergency gear deployment?
Why does air movement past the gear help in its extension during emergency gear deployment?
Why are large and high-performance aircraft equipped with redundant hydraulic systems?
Why are large and high-performance aircraft equipped with redundant hydraulic systems?
What is used to release the uplocks and allow the gear to free fall if hydraulic power fails to extend the gear?
What is used to release the uplocks and allow the gear to free fall if hydraulic power fails to extend the gear?
What is adjusted to provide the correct amount of over-center travel of the side brace links?
What is adjusted to provide the correct amount of over-center travel of the side brace links?
In what position should the landing gear be when adjusting the lock link end fitting?
In what position should the landing gear be when adjusting the lock link end fitting?
What must the gear do when held inboard six inches from the down and locked position and then released?
What must the gear do when held inboard six inches from the down and locked position and then released?
How is the down lock spring tension checked?
How is the down lock spring tension checked?
What should be done to ensure proper adjustments for each aircraft?
What should be done to ensure proper adjustments for each aircraft?
What is crucial to prevent collapse of the gear?
What is crucial to prevent collapse of the gear?
What happens when the gear cylinders are fully retracted?
What happens when the gear cylinders are fully retracted?
What role do sequence valves A and B play during retraction?
What role do sequence valves A and B play during retraction?
How is the nose gear unlocked for lowering?
How is the nose gear unlocked for lowering?
What prevents fluid from reaching the down side of the main gear actuators when the doors are opening?
What prevents fluid from reaching the down side of the main gear actuators when the doors are opening?
What happens when the main gear uplocks receive fluid pressure?
What happens when the main gear uplocks receive fluid pressure?
Which components engage the plungers of sequence valves A and B to open them when the doors are fully open?
Which components engage the plungers of sequence valves A and B to open them when the doors are fully open?
How can the roller be adjusted if it is not within tolerance?
How can the roller be adjusted if it is not within tolerance?
What is typically done at the hinge to adjust landing gear door clearances?
What is typically done at the hinge to adjust landing gear door clearances?
How is a main landing gear door latch mechanism adjusted on some installations?
How is a main landing gear door latch mechanism adjusted on some installations?
What allows linear adjustments in certain installations for door hinges?
What allows linear adjustments in certain installations for door hinges?
What does packing grease into a clean, dry bearing involve?
What does packing grease into a clean, dry bearing involve?
What is used to hold the position of a serrated hinge during adjustment?
What is used to hold the position of a serrated hinge during adjustment?
How does the pilot extend and retract the landing gear in the simplest system?
How does the pilot extend and retract the landing gear in the simplest system?
What is common in decreasing the required force for landing gear operation?
What is common in decreasing the required force for landing gear operation?
What type of landing gear system is typically found on light aircraft?
What type of landing gear system is typically found on light aircraft?
What is characteristic of an all-electric system in moving the landing gear?
What is characteristic of an all-electric system in moving the landing gear?
Which component is common in electric/hydraulic landing gear systems like those found in Cessna and Piper aircraft?
Which component is common in electric/hydraulic landing gear systems like those found in Cessna and Piper aircraft?
What is a key feature of power packs used in electric/hydraulic gear retraction systems?
What is a key feature of power packs used in electric/hydraulic gear retraction systems?
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