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Volume 2 Flight Crew Operating Manual Rev 2A, Apr 11, 2005
13.00.2 CSP 700.5000.6

GENERAL

Hydraulic power is provided by three independent systems designated 1, 2 and 3 and operate at a nominal pressure of 3000 psi.
System 1 and 2

Systems 1 and 2 are each powered by an Engine Driven Pump (EDP) and an AC-Motor Pump (ACMP). The EDPs designated as 1A and 2A are mounted on the respective engine accessory gearbox and hydraulically power systems 1 and 2 when the engines are operating.
The ACMPs designated as 1B and 2B are used as essential pumps for take-off, approach, landing and in support of the EDPs in the event of failure. The ACMPs are selectable through switches located on the HYDRAULIC control panel in the flight compartment.
During normal operations, system 1 provides hydraulic pressure to the left side primary flight controls and rudder, left and right flight spoilers, left and right ground spoilers and the left thrust reverser. System 2 provides hydraulic pressure to the right side primary flight controls and rudder, left and right flight spoilers, main gear assist (left and right main landing gear extension/retraction), right thrust reverser and outboard brakes.
System 3

System 3 is powered by two ACMPs designated as 3A and 3B and are selectable through switches located on the HYDRAULIC control panel in the flight compartment. The ACMPs 1B and 2B provide hydraulic pressure to the primary flight controls (all), left and right ground spoilers, landing gear and doors, inboard and park/emergency brakes and the nose wheel steering.
Hydraulic pump 3A normally runs continuously while pump 3B is used as an essential pump for take-off, approach, landing and in support of the primary pump 3A in the event of failure.
Emergency Hydraulic Power
In the event that all normal electrical power is lost, a Ram Air Turbine (RAT) is deployed and will power an independent hydraulic pump for system 3.
Hydraulic Accumulators

The RAT uses an accumulator to maintain pressure at the reservoir for system 3 hydraulic operation. Two additional hydraulic accumulators are installed on the airplane and are used by the brake control system. One is used for brake system 2 and the other for brake system 3 operation.
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2

DISTRIBUTION TABLE SCHEMATIC
NO. 1 SYSTEM NO. 3 SYSTEM NO. 2 SYSTEM

Volume 2 Flight Crew Operating Manual Rev 2A, Apr 11, 2005

HYDRAULIC SYSTEM INDICATION
The HYDRAULIC synoptic page provides an overview of normal system status and RAT deployment as represented below.
　
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