757 Hydraulics Flashcards
What powers rudder and elevators
All 3 systems
What components does left system operate.
Right aileron. Alternate brakes Elevator HDG Rudder. Rudder ratio. Yaw damper Left Auto pilot Flaps /slats. NWS Landing gear
PTU operates what components
Flaps
Slats
Landing Gear
When does the PTU operate.
When pressure low in left system
What components operate from right system
Left aileron PTU Flight controls Stabiliser trim. Elevator feel. Right auto pilot Spoilers Normal Brakes
What system is available if RH system fluid lost and only standpipe fluid available
Reserve Brakes(normal brakes)
OVHT light means what.
High temperature in effected hydraulic system. Corresponding EICAS message
PTU supplies power to what systems
Landing gear
Flaps slats
NWS
HDG
How can you tell if PTU is supplying pressure
Status page will show .18 quantity in standpipe min required to operate and what ever pressure the PTU is supplying
What systems does the Centre hydraulic operate.
Ailerons. Stab trim C auto pilot. Spoilers Elevator feel. Yaw damper Rudder Elevator
Left system standpipe operates what .
PTU
RSVR comes on when?
Low bleed air pressure to reservoir
Low quantity.
What pumps load shed when only one electrical source ?
C2
When does the RAT deploy
Dual engine failure
Or when manually selected on .
What indications are there that the RAT is producing pressure ?
Green pressure light on RAT switch
