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Malibu/Mirage PA46-310/350 Landing Gear & Brakes Landing Gear Tricycle gear Tricycle gear Retractable Retractable Electrically activated Electrically activated.

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Presentation on theme: "Malibu/Mirage PA46-310/350 Landing Gear & Brakes Landing Gear Tricycle gear Tricycle gear Retractable Retractable Electrically activated Electrically activated."— Presentation transcript:

1 Malibu/Mirage PA46-310/350 Landing Gear & Brakes Landing Gear Tricycle gear Tricycle gear Retractable Retractable Electrically activated Electrically activated Hydraulically actuated Hydraulically actuated Warning systems Warning systems Throttle position Throttle position Flap position Flap position Squat switch Squat switch Annunciator panel Annunciator panel Gear Position Lights Gear Position Lights Braking Brake System Brake System Disc Type Disc Type Manually activated Manually activated Hydraulically actuated Hydraulically actuated

2 Malibu/Mirage PA46-310/350 Landing Gear Tricycle gear Tricycle gear Retractable Retractable Electrically activated Electrically activated Hydraulically actuated Hydraulically actuated Warning systems Warning systems – Throttle position – Flap position – Squat switch – Annunciator panel – Gear Position Lights

3 Malbu/Mirage PA46-310/350 Landing Gear Gear Indications 3 Green 3 Green – Each gear down and locked Annunciator Light Annunciator Light – Gear in transit Not down, locked Not down, locked Not up, stowed Not up, stowed – Goes out when: All 3 gear All 3 gear – Up and stowed – Down and locked Warning System Warning System – Power selection – Flap configuration – Gear position

4 Malibu/Mirage PA46-310/350 Landing Gear Warning System Horn – cockpit, not headset Horn – cockpit, not headset Caution Light on Panel Caution Light on Panel Master Caution on Panel Master Caution on Panel The warning system will activate whenever power and/or flap are set to a landing configuration but the gear is not down and locked. Power reduction to idle Power reduction to idle Flap selection greater than 10 degrees (first notch) Flap selection greater than 10 degrees (first notch)

5 Malibu/Mirage PA46-310/350 Landing Gear The landing gear system is electrically activated, hydraulically actuated. The landing gear system is electrically activated, hydraulically actuated. Hydraulic actuators move the gear up and down. Hydraulic actuators move the gear up and down. Gear is held up by hydraulic pressure and down by mechanical downlock latches internal to each actuator. Gear is held up by hydraulic pressure and down by mechanical downlock latches internal to each actuator. Absent hydraulic pressure, gear will extend through gravity. Absent hydraulic pressure, gear will extend through gravity.

6 Malibu/Mirage PA46-310/350 Landing Gear - Retract Electrically Activated: Cockpit gear handle activates switch to energize the hydraulic power pack motor which, in turn, pumps fluid into the retract side of the system. Powerpack delivers 1350-1400psi. When up, system maintains pressure to keep gear in retracted position. Drop below 1170psi causes pump to active until standard pressure is achieved.

7 Malibu/Mirage PA46-310/350 Landing Gear

8 Malibu/Mirage PA46-310/350 Landing Gear - Extend Electrically Activated: Cockpit gear handle activates switch to energize the hydraulic power pack motor which, in turn, pumps fluid into the extend side of the system.

9 Malibu/Mirage PA46-310/350 Landing Gear - Extend

10 Malibu/Mirage PA46-310/350 Emergency Gear Extension In the event of an electrical or hydraulic system failure, gear extension is accomplished by pulling out the guarded emergency extension red knob. This is connected by cable to a relief valve. Gear will then gravity fall into the extended position. Note: pull the hydraulic pump power CB before pulling the extension knob. Note: After moving guard out of the way, it requires approximately 25 lbs pressure to pull the release knob out. If unable to get 3 green, slow to 90 knots indicated and yaw the airplane left and right until all 3 gear are down and locked. In the event of an electrical or hydraulic system failure, gear extension is accomplished by pulling out the guarded emergency extension red knob. This is connected by cable to a relief valve. Gear will then gravity fall into the extended position. Note: pull the hydraulic pump power CB before pulling the extension knob. Note: After moving guard out of the way, it requires approximately 25 lbs pressure to pull the release knob out. If unable to get 3 green, slow to 90 knots indicated and yaw the airplane left and right until all 3 gear are down and locked.

11 Malibu/Mirage PA46-310/350 Landing Gear Landing Gear Operation: Retraction:126 KIAS Retraction:126 KIAS Extension:165 KIAS Extension:165 KIAS Emergency Extension: Slow to 90 KIAS Slow to 90 KIAS Pull Hydraulic Pump CB Pull Hydraulic Pump CB Select Gear Down Select Gear Down Pull Emergency Extension Knob OUT Pull Emergency Extension Knob OUT Emergency Extension: Slow to 90 KIAS Slow to 90 KIAS Pull Hydraulic Pump CB Pull Hydraulic Pump CB Select Gear Down Select Gear Down Pull Emergency Extension Knob OUT Pull Emergency Extension Knob OUT

12 Malibu/Mirage PA46-310/350 Brakes Disc type brakes Disc type brakes Rotors Rotors Brake pads Brake pads Hydraulic pressure Hydraulic pressure Manually Activated Manually Activated Toe pedals of Rudder controls Toe pedals of Rudder controls Hydraulically Actuated Hydraulically Actuated Single fluid reservoir Single fluid reservoir Individual brake cylinders Individual brake cylinders


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