Hydraulics Flashcards
Each hydraulic system has a fluid reservoir located in the
_____.
main wheel well area
_____ pressurize(s) the System A and B reservoirs.
regulated (engine) bleed air
_____ pressurizes the Standby System reservoir.
System B Reservoir pressure
The letters RF (white) appear anytime Hydraulic System
quantity is _____.
below 76 percent and the aircraft is on the ground
The ELEC 2 pump ON/OFF switch controls the _____ Electric Motor-Driven Pump.
Hydraulic System A
Positioning either (number 1 or 2) Engine driven hydraulic pump switch to OFF \_\_\_\_\_ the Blocking Valve. System pressure is maintained by the Electric Motor Pump.
closes
Normal pressure for Hydraulic System A and B is _____ psi and maximum system pressure is _____ psi.
3000 ± 200 / 3500
The OVERHEAT (amber) light on the Hydraulic Panel indicates \_\_\_\_\_.
an Electric Motor-Driven pump has overheated
The Power Transfer Unit (PTU) provides normal rates of
operation for the ____ if the System B Engine-Driven Pump output drops below a specific value.
Autoslats and Leading Edge Devices (LED)
Losing Hydraulic System A or B automatically initiates
Standby Hydraulic System operation if _____.
Correct Answer 4
1) the flaps are extended
2) airborne”,” or wheel speed greater than 60 kts
3) FLT CONTROL switch A or B is ON
4) all the above
_____ automatically initiates Standby Hydraulic System
operation.
main rudder PCU Force Fight Monitor (FFM) activation
Positioning _____ allows the Standby System to power the rudder and thrust reversers.
either FLT CONTROL to STBY RUD
The STANDBY HYD LOW QUANTITY (amber) light indicates _____.
the quantity is approximately half empty