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TB20 MAINTENANCE MANUAL 35 氧气 TB20飞机维护手册(4)

时间:2011-11-10 10:44来源:蓝天飞行翻译 作者:航空
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WA
Validity : With "EROS" oxygen system 35 00-00Page 1
(BA) JUN 04
 
- flow selection ring on "HI" position : flow 0.700 U.S Gal/min to be used above 17500 ft.
On each oxygen mask, a flow indicator is integrated to the supply pipe. When pressure is normal, a green range appears and when pressure is low, a red range appears.
C. Oxygen control lever
The oxygen control lever allows opening and closing of oxygen cylinder through a semi-rigid control. It is located on the overhead panel.
D. Pressure gage
The pressure gage allows the pilot to check the oxygen cylinder charging level. It is connected to the oxygen cylinder by a high pressure capillary line. It is located on the overhead panel.
E. Oxygen connecting plugs
The oxygen connecting plugs (for quick connection) are located on the upper duct. They allow to connect oxygen masks to ensure oxygen supply.
1 - Oxygen control lever
2 - Pressure gage
3 - Headrest : storage of front mask
4 - Headrest : storage of rear mask
5 - Oxygen cylinder
6 - Oxygen control
7 - Low pressure outlet union
8 - Low pressure system (oxygen supply)
9 - Pressure gage supply system (overhead panel)
10 - Bonding strap
11 - Oxygen connecting plugs
12 - Low pressure valve
13 - High pressure valve
14 - Control mechanism
15 - Pressure gage (cylinder)
16 - Oxygen cylinder attaching clamp
17 - Charging valve
18 - High pressure outlet union
19 - Pressure reducing valve
Oxygen - Schematic
Key to Figure 1
 
WA
Validity : With "EROS" oxygen system
 
Page 2
35-00-00
(BA) JUN 04
 

 
WA
Validity : With "EROS" oxygen system
 
Page 4
35-00-00
(BA) JUN 04
 
OXYGEN
DESCRIPTION AND OPERATION
1. GENERAL (Figure 1)
The oxygen system provides the oxygen necessary for four persons for flights at high altitude. The system includes :
- an equipped oxygen cylinder,
- oxygen masks,
- an oxygen control lever,
- a pressure gage,
- oxygen connecting plugs,
- oxygen hoses and lines.
2. LOCATION (Figures 2 and 2A)
COMPONENT QTY AREA ACCESS DOOR REFERENCE
Oxygen cylinder 1 240 219 35-00-00
Oxygen masks 4 230 / 35-00-00
Oxygen control lever 1 241 / 35-00-00
Pressure gage 1 241 / 35-00-00
Oxygen connecting plugs 4 236 / 35-00-00
Oxygen hoses and lines / 230/240 / 35-00-01

3. DESCRIPTION
A. Oxygen cylinder
The steel oxygen cylinder has a capacity of 67.4 cu.ft (1909 liters) and a maximum pressure of 1850 psi (127 bars) at 70°F (21°C).
 
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