Landing Gear And Brakes Flashcards
Vlo retracting
109
Retraction/extension time
6/7 sec
Vlo extending
140
Vle extending
140
Hydraulics
Electrically powered reversible hydraulic pump
Reservoir
Hydraulic fluid
Pressure switch
Off 1800 +- 100
On 1500 +- 100
Pressure control
High 2400 +/- 200
Low 600+/- 200
Thermal relief 3000
Retraction
Pressure 1500-1800
Hydraulic press holds up
Pressure switch turns off pump
Gear extend
Press 400-800
Down limit switch turn pump off
Emergency gear extension
Nav lights on Circuit breaker Master switch on Checklist below 100 Emergency gear extension knob Relieves hydraulic press Gravity free fall
Gear warning horn conditions
Squat switch closed
Down lock switches open
Throttle 14”
Flap 16 degrees
Left squat
Prevents retraction on ground
Right squat
Turns on mx hobb
Stall warning horn
Up limit on nose gear
Turns off heater blower
Proper inflation
Main 2.6
Nose 2.7
Brake system
Brake lines
Brake disc
Brake housing