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11790
11169
10549
9894
9239
PSI kPa
37.8
26.7
15.6
4.4
-6.7
-17.8
-28.9
-40.0
F° C°
EMERGENCY EQUIPMENT
8-4 For Training Purposes Only
May 03
P I LOT T R A I N I N G GU I D E
Flight Compartment
Oxygen for the flight crew is provided through a diluter demand regulating system. A
quick-donning, inflatable-harness mask is installed in a container at each side console.
Each container has a test lever, a yellow flow (eye) indicator, oxygen ON flag, a set of
quick-release doors and connections for the oxygen and communications lines.
Pressing the RESET/TEST switch can test oxygen flow through the regulator. The
flow indicator (blinker) displays a yellow cross when oxygen is flowing. The flow
indicator is black when there is no flow. When the mask is in use, a white ON flag
comes into view on the left door of the container to indicate that the oxygen shutoff
valve is open. When the mask is no longer required, closing the container doors and
pressing the RESET/TEST switch stops the flow of oxygen to the mask and removes
the white ON flag.
The crew oxygen masks have controls located on the mask. The controls have the
following selections:
Normal /100% Lever
• NORMAL – A diluted mixture of oxygen and ambient air adjusted for cabin
altitude
• 100% - Pure oxygen (100%) is delivered at a pressure dependent on cabin altitude
Emergency Flow Control Knob
• NORMAL (Unmarked) – Oxygen is regulated on demand
• EMERGENCY – A constant flow of oxygen is delivered at a positive pressure
• PRESS TO TEST (Momentary) – Purges the mask of smoke or noxious fumes
Microphone Control
Each mask has a microphone installed, which can be activated on the Audio Control
Panel by selecting MASK/BOOM MIC switch to MASK.
Inflatable Harness Control
The flight deck masks are designed to be removed from their containers and donned
with one hand. This is accomplished by squeezing the red tabs on either side of the
oxygen line to inflate the harness while pulling the mask from the container. The
inflated harness is placed over the head, and the mask is positioned over the nose and
mouth. Releasing the red tabs deflates the harness, pulling the mask snugly against the
face.
EMERGENCY EQUIPMENT
For Training Purposes Only
May 03
8-5
P I LOT T R A I N I N G GU I D E
The harness is not designed to be donned over headsets or
eyeglasses. These should be removed prior to using the mask.
Flight Deck Oxygen Masks
Figure 8-2
NOTE
Press to
Test/
Emergency
Button
Plate
(inflation
control)
Microphone
Lead
Microphone
Regulator
"N-100%"
Manual
Control
Reset/Test
Switch
Oxygen
Line
Oxygen
Supply
Stowage
Box Microphone
Jack
Oxygen
"ON"
Indicator
Flow
Indicator
Reset/
Test
Switch
Oxygen
Shutoff
Valve
Inflatable
Harness
Mask
P604_08_008
Mask
Regulator
Oxygen
Line
EMERGENCY EQUIPMENT
8-6 For Training Purposes Only
May 03
P I LOT T R A I N I N G GU I D E
Quick-Donning Oxygen Mask Settings
Figure 8-3
EICAS Messages
MESSAGE MEANING AURAL WARNING
(IF ANY)
GALLEY OVHT Galley overheat detected (if galley overheat detector
installed). TRIPLE ATTENSON
SMOKE BAGGAGE BAY The detector has sensed smoke in the baggage door
compartment. “SMOKE”
SMOKE TOILET The detector has sensed smoke in the lavatory area. “SMOKE”
OXY LO PRESS Crew oxygen bottle pressure is less than 800 psi.
PAX OXY ON Passenger oxygen masks are deployed.
EICAS Messages
Table 8-1
N
100%
PUSH
EMERGENCY
PRESS
TO
TEST
N
100%
PUSH
EMERGENCY
PRESS
TO
TEST
P604_08_011
NORMAL &
HALF-CIRCLE
100% &
HALF-CIRCLE
EMERGENCY PRESS TO TEST
N
100%
PUSH
EMERGENCY
PRESS
TO
TEST
N
100%
PUSH
EMERGENCY
PRESS
TO
TEST
EMERGENCY
OXYGEN
MASK
PRESS
TO
TEST
AND
RESET
EROS
100%
PUSH
OXYGEN STOWAGE BOX
Release Lever
Emergency
Flow Control
Oxygen
Supply Hose
Reset / Test
Lever
Blinker
Normal /
100% Lever
EMERGENCY EQUIPMENT
For Training Purposes Only
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
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庞巴迪挑战者604机组操作手册 CL_604-EMERGENCY_EQUIPMENT(3)
