E8 L3 Hydraulics Gauge Flashcards
Hydraulic system driven by two electric pumps
Auxiliary system
Hydraulic system driven by engines 2 and 3
Utility system
Hydraulic fluid specification
Skydrol LD-4
Bleed air pressure on utility system
40-45 psi
Items powered by utility hydraulic system
Flaps Landing gear Alternate A/R Ground leveling cylinder Nosewheel steering Outboard spoilers Brakes
Items powered by auxiliary hydraulic system pump 1
Rudder boost
Inboard spoinlers
Primary A/R
items powered by auxiliary system hydraulic pump 2
Rudder boost
Auxiliary system can power _____ through interconnect system
Brakes
Utility reservoir capacity
6.9 gal
Fluid indicated at top of “bullseye”
5.0 gal
Fluid required to replenish auxiliary hydraulic system
3.2 gal
Hydraulic expansion tank capacity
2.1 gal
Auxiliary reservoir capacity
1.25 gal (each)
How many accumulators in the auxiliary hydraulic system?
2
Precharge pressure of auxiliary hydraulic system
2000 psi