B757 Hydraulic System Flashcards
1
Q
What do Left Hydraulics control?
A
Flaps, slate, steer and gear Flight controls Left Thrust Reverser Alternate Brakes Main Cargo Door Reserve fluid by PTU
2
Q
What do Center Hydraulics control?
A
Flight Controls
Reserve fluid used by RAT
3
Q
What do Right Hydraulics control?
A
Flight Controls
Right Thrust Reverser
Normal Brakes
Reserve fluid used by Reserve Brakes
4
Q
What does SYS PRESS indicate?
A
Low system pressure
5
Q
What does RSVR indicate?
A
Low quantity or low head pressure
6
Q
What does OVHT indicate?
A
Hot pump
7
Q
What does RAT PRESS indicate?
A
Good pressure (green light)
8
Q
What is the min RAT airspeed?
A
130 Kts
9
Q
When is the PTU inhibited?
A
When the right engine is INOP.
10
Q
Reserve Brakes
A
Push the RESERVE BRAKES switch
- Allows use of reserve hydraulic fluid
- Activated right electric hydraulic pump
- Isolates the right electic hydraulic pump power to the normal brake system
11
Q
How much fuel is required in the left main fuel tank for hydraulic cooling on the ground?
A
4020 lbs
