35-21-00
 ALL  ú CONFIG 3 ú 02 Page 13 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
M04936
A
747-400
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
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 35-21-00
 ALL  ú CONFIG 3 ú 02 Page 14 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

M05159
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 35-21-00
 ALL  ú CONFIG 3 ú 02 Page 15 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 FAULT ISOLATION/MAINT MANUAL
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

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 35-21-00
 ALL  ú CONFIG 3 ú 02 Page 101 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
M14148
A
747-400 FAULT ISOLATION/MAINT MANUAL

INSTALLATION
Supernumerary Oxygen System Components
Figure 102 (sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 35-21-00
 ALL  ú CONFIG 3 ú 02 Page 102 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
M14653
A
747-400 FAULT ISOLATION/MAINT MANUAL
OXYGEN
BOX

(EXAMPLE)
A-A
Supernumerary Oxygen System Components
Figure 102 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 35-21-00
 ALL  ú CONFIG 3 ú 02 Page 103 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
M14654
A
747-400 FAULT ISOLATION/MAINT MANUAL

SUPERNUMERARY OXYGEN CYLINDER INSTALLATION

Supernumerary Oxygen System Components
Figure 102 (Sheet 3)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 35-21-00
 ALL  ú CONFIG 3 ú 02 Page 104 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
M14655
A

747-400
FAULT ISOLATION/MAINT MANUAL

AUTOMATIC VENT VALVE 
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 氧氣 OXYGEN(47)