747-400 AMM 飞机维护手册 氧气 OXYGEN(14)

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CYLINDER - CREW OXYGEN  1  2  FWD CARGO COMPT RIGHT SIDEWALL  12-15-08 
GAGE - PRESSURE  2  2  FWD CARGO COMPT RIGHT SIDEWALL  35-11-00 
INDICATOR - OVERBOARD DISCHARGE  2  1  FWD CARGO COMPT RIGHT SIDEWALL 35-11-10 
(OUTSIDE ON AIRPLANE SKIN) 
MASK  3  4  FLIGHT COMPARTMENT  35-11-18 
REDUCER - PRESSURE  2  2  FWD CARGO COMPT RIGHT SIDEWALL  35-11-04 
REGULATOR - DILUTER DEMAND  3  4  FLIGHT COMPARTMENT  35-11-18 
REGULATOR - PRESSURE  1  1  FLIGHT COMPARTMENT  35-11-05 
TRANSDUCER - PRESSURE, T470 AND T552  2  2  FWD CARGO COMPT RIGHT SIDEWALL  35-11-03 

* SEE THE WDM EQUIPMENT LIST
Crew Oxygen System - Component Index
Figure 101

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747-400 FAULT ISOLATION/MAINT MANUAL
VOLTAGE AVERAGING
CREW OXYGEN CREW OXYGEN
CYLINDER (2 LOCATIONS)  SEE UNIT  C  SHT 2 
SEE  B  SHT 2 
PRESSURE REGULATOR 
SEE  A 

OVERBOARD MANIFOLD
DISCHARGE INDICATOR (REF)
SEE D SHT 2
MEDIUM
PRESSURE P7 PANEL
LINE MASK STOWAGE
(REF) BOX (4 LOCATIONS)
SEE E SHT 3
RELIEF VALVE
REGULATOR
FLIGHT COMPARTMENT
OUTLET INLET FROM TO MASKS PRESSURE REDUCER
PRESSURE REGULATOR
A
Crew Oxygen System - Component Location Figure 102 (Sheet 1)
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747-400
FAULT ISOLATION/MAINT MANUAL

MEDIUM PRESSURE LINE (EXAMPLE) (REF)
OVERBOARD
DISCHARGE
LINE (EXAMPLE)

SHUTOFF VALVE
(EXAMPLE) (REF)

PRESSURE REDUCER (EXAMPLE)
ACCESS DOOR
ELECTRICAL CONNECTOR
FWD
VOLTAGE AVERAGING UNIT
C FROM SHT 1 PRESSURE TRANSDUCER (EXAMPLE) COUPLING ASSEMBLY
PRESSURE
GAGE (EXAMPLE)

CREW OXYGEN CYLINDER
B FROM SHT 1
GREEN INDICATOR DISC
SNAP RING OVERBOARD DISCHARGE PORT AND INDICATOR
SEE D
CREW OXYGEN CYLINDERS
FWD AIRPLANE SKIN
DISCHARGE INBDPORT
OVERBOARD DISCHARGE INDICATOR
D

Crew Oxygen System - Component Location
Figure 102 (Sheet 2)

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747-400
FAULT ISOLATION/MAINT MANUAL

FLOW BLINKER
SLIDING CONTROL
REGULATOR ASSEMBLY MASK AND DEMAND 
SEE  G 
OXYGEN MASK  FLOW BLINKER (REF) 
SHUTOFF VALVE (REF) 
SLIDING CONTROL (REF) 
MASK  REGULATOR DILUTER DEMAND 

MASK STOWAGE BOX (LIDS CLOSED) MASK STOWAGE BOX (LIDS OPEN) F FROM SHT 1 F FROM SHT 1
MASK
PNEUMATIC HARNESS (REF)
DILUTER DEMAND REGULATOR
MASK AND DEMAND REGULATOR ASSEMBLY (SHOWN INFLATED)
G
Crew Oxygen System - Component Location
Figure 102 (Sheet 3)

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A80554
A
747-400 MAINTENANCE MANUAL
 CREW OXYGEN SYSTEM - MAINTENANCE PRACTICES
__________________________________________ (TWO/ONE CYLINDER WIRE CHANGE)
　
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