AIRPLANE
OPERATIONS
MANUAL
HYDRAULIC
JANUARY 21, 2002
2-11-05
Page
1
Code
01
GENERAL
The airplane is equipped with two independent hydraulic systems, each
powered by one engine driven-pump and one electric motor-driven
pump. Both hydraulic systems are identical, except for the services
each system provides and a priority valve installed in the hydraulic
system 1.
There are ground connections for refilling and ground tests purposes.
Indications of hydraulic system parameters are provided on the MFD
and EICAS displays.
The services provided by each hydraulic system are presented below:
SYSTEM HYDRAULIC POWER SUPPLY
Ailerons SYSTEM 1 and 2
Rudder SYSTEM 1 and 2
Landing Gear SYSTEM 1
Main door SYSTEM 1
Steering SYSTEM 1
Brakes (Outboard Wheels) SYSTEM 1
Brakes (Inboard Wheels) SYSTEM 2
Emergency/Parking Brake SYSTEM 2
Thrust Reverser 1 SYSTEM 1
Thrust Reverser 2
SYSTEM 2
Outboard Spoilers SYSTEM 2
Inboard Spoilers SYSTEM 1
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