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MAINTENANCE MANUAL
BLEED RELIEF VALVE (EXAMPLE)
OXYGEN BOX (EXAMPLE)
TO THE CREW OXYGEN SYSTEM AND THE OVERBOARD DISCHARGE PORT AND INDICATOR OXYGEN CYLINDER DISTRIBUTION LINE FOR THE LOW PRESSURE
MASK
UNITIZED
VALVE ASSEMBLY
AUTOMATIC VENT VALVE
ELECTROPNEUMATIC FLOW CONTROL UNIT
(EXAMPLE) (EXAMPLE) GAGE PRESSURE
(EXAMPLE) PRESSURE TRANSDUCER SHUTOFF (EXAMPLE) VALVE
PRESSURE (EXAMPLE) REDUCER
(VIA EIU'S) EICAS
UNIT AVERAGING VOLTAGE
(EXAMPLE) SAFETY RELIEF DISK FOR THE FRANGIBLE TO THE CREW SYSTEM OXYGEN LEGEND:_______ LOW PRESSURE
MEDIUM PRESSURE
HIGH PRESSURE
DISCHARGE LINE
Figure 6 Supernumerary Oxygen Flow Diagram
M04939
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SUPERNUMERARY OXYGEN SYSTEM
* SEE THE WDM EQUIPMENT LIST
THE NUMBER OF OXYGEN BOXES, MASKS, AND UNITIZED VALVE ASSEMBLIES CAN CHANGE.
AS SHOWN IN THE FORWARD RIGHT CARGO COMPARTMENT, RIGHT SIDEWALL
ATTACHED TO EACH OXYGEN CYLINDER
THE NUMBER OF BLEED RELIEF VALVES CAN CHANGE.
Supernumerary Oxygen System - Component Index
Figure 101
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INSTALLATION
Supernumerary Oxygen System Components
Figure 102 (sheet 1)
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OXYGEN
BOX
(EXAMPLE)
A-A
Supernumerary Oxygen System Components
Figure 102 (Sheet 2)
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SUPERNUMERARY OXYGEN CYLINDER INSTALLATION
Supernumerary Oxygen System Components
Figure 102 (Sheet 3)
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