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Inflight (Brake-By-Wire) .............................................................EB-4
Landing With Applied Brake Pressure
Indicated (Brake-By-Wire) .........................................................EB-5
Uncommanded Brake Pressure During Landing
Rollout (Brake-By-Wire) .............................................................EB-6
BRAKE FAIL Message (Brake-By-Wire).......................................EB-7
BRAKE PEDAL Message (Brake-By-Wire)...................................EB-7
Multiple Brake Failure Messages (Brake-By-Wire) .......................EB-8
BTMS OVHT Light On or BRAKE OVHT
Message (Brake-By-Wire) .........................................................EB-9
Anti-Skid Failure (Brake-By-Wire)...............................................EB-11
Anti-Skid Off Braking (Brake-By-Wire: Without ASC 190/266)...EB-12
Anti-Skid Off Braking (Brake-By-Wire: With ASC 190/266)........EB-13
Related Topics In QRH
Brake Kinetic Energy and Carbon Brake Cooling Chart ............ PC-14
Quick Reference Handbook
ABNORMAL / EMERGENCY PROCEDURES REVISION 7
Page EB - 2 (BRAKE BY WIRE) May 30/02
Hydraulic System Diagram
ACCUM
ACCUM
AUX
PUMP
FLT
COMB
AUX
AUX PUMP
OFF/ARM ON
NOT
ARM ON
ELECT CONT
MECH CONT
COMBINED
FLIGHT
AUX
COMB/UTIL
COMB/UTIL/AUX
LEFT
ENG
PUMP
RIGHT
ENG
PUMP
FIRE
HANDLE
DISCH
1 2
FIRE
HANDLE
DISCH
2 1

UTILITY
PUMP MOTOR
UTILITY PUMP
OFF/ARM ON
NOT
ARM ON
GND SPLR SERVO
WING FLAPS
LANDING GEAR
BRAKES
STALL BARRIER
NOSEWHEEL STEERING
CARGO DOOR (ASC 213/354)
MAIN ENTRANCE DOOR
PARKING BRAKES
N2
ACCUM
BOOTSTRAP
BOOTSTRAP
STBY ELEC
ON
HMG
MOTOR
ELEVATORS ELEVATORS
RUDDER RUDDER / YAW DAMP
AILERONS AILERONS
FLIGHT SPOILERS/
SPEED BRAKES
FLIGHT SPOILERS/
SPEED BRAKES
GROUND SPOILERS
COMB OR UTIL OR AUX PRESS
SIGNAL REQ’D FOR FLT USE
GROUND SPOILERS
FLIGHT POWER
SHUT OFF
LEFT
REVERSER
RIGHT
REVERSER
NITROGEN
CHECK VALVE SHUTOFF VALVE
SHUTOFF VALVE (CAA CERT ONLY)
GROUND SERVICE VALVE
Quick Reference Handbook
REVISION 7 ABNORMAL / EMERGENCY PROCEDURES
May 30/02 (BRAKE BY WIRE) Page EB - 3
Emergency Brakes (Brake-By-Wire) AFM 4-05-10
In the event of loss of Combined, Utility, and Auxiliary System pressure,
the wheel brakes may be operated by brake accumulator pressure
through use of the PARK/EMERG brake handle, which by-passes pedal
control. A fully charged brake accumulator allows approximately 5 to 6
applications of the PARK/EMERG handle before the pressure is
depleted.
There is a noticeable delay in pressure rise when using the parking
brake handle to meter pressure. Grasp the handle with fingertips only
and rest the thumb near the base of the speed brake handle slot. Raise
the handle carefully in 1/4 inch increments to avoid excessive pressure.
CAUTION: ANTI-SKID PROTECTION IS NOT AVAILABLE WHEN USING
THE EMERGENCY BRAKE SYSTEM. USE OF THE EMERGENCY BRAKE
SYSTEM WHILE THE AIRPLANE IS MOVING IS STRICTLY AN
EMERGENCY PROCEDURE. THE EMERGENCY BRAKE PRESSURE CAN
BE METERED. CAUTION SHOULD BE USED NOT TO EXTEND HANDLE
BEYOND THE POSITION WHERE BRAKING IS FIRST FELT (1/4 TO 1/2
INCH [0.635 TO 1.27 CM]). AS THE AIRPLANE DECELERATES,
REPOSITIONING (METERING) OF HANDLE (EASING IN) MIGHT BE
NECESSARY TO PREVENT SUDDEN STOPPING OR TIRE SKIDDING.
END
Wheel Brake Failure (Brake-By-Wire) AFM 3-05-30
If the Combined System engine-driven pump fails, the Utility System will
automatically provide power to operate brakes. If the Combined and
Utility systems fail, the Auxiliary Hydraulic Pump may be utilized to
operate the brakes. Anti-skid protection is available when using
Combined, Utility, or Auxiliary System pressure.
CAUTION: TAKEOFF IS NOT PERMITTED WITH EITHER SINGLE OR
DUAL CHANNEL FAILURE OF PILOT’S OR COPILOT’S BRAKE SYSTEM.
END
Brake Confidence Check - Inflight (Brake-By-Wire)
AFM 3-05-40
1. ANTI-SKID .................................................................................ON
2. BRAKE NUTCRCKR ORIDE Switch...........DEPRESS AND HOLD
Depress and hold the BRAKE NUTCRCKR ORIDE switch for the
duration of this check. Wait a minimum of ten (10) seconds.
Continued on next page →
Quick Reference Handbook
ABNORMAL / EMERGENCY PROCEDURES REVISION 7
Page EB - 4 (BRAKE BY WIRE) May 30/02
　
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