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TB20 MAINTENANCE MANUAL 34 导航 TB20飞机维护手册 1(26)

时间:2011-11-09 15:56来源:蓝天飞行翻译 作者:航空
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b disconnect the hose from static ports.
4 Remove the blanking caps from both static ports of the fuselage.
5 Simultaneously connect the nitrogen source to both static ports. Ventilate the system.
6 Connect the nitrogen source to the hose previously disconnected from the alternate static source valve and coming from static ports. Ventilate the system.
AAAA
Validity : S / N 1 - 9999 34 11-00 Page 301
(BA) JUN 04
 
7 Successively connect the nitrogen source to the static pressure line that terminates each
instrument. Ventilate the system.
8 Position and screw drain plug.
9 Connect the following components to the alternate static source valve:
a the instrument supply hose (aft of the alternate static source valve),
b the hose from static ports.
10 Remove the blanking caps from each instrument fitting and connect the static pressure lines.
11 Blank off both static pressure ports of the fuselage.
Without alternate static source valve
3 Remove the blanking caps from both static ports of the fuselage.
4 Simultaneously connect the nitrogen source to both static ports. Ventilate the system.
5 Successively connect the nitrogen source to the static pressure line that terminates each
instrument. Ventilate the system.
6 Position and screw drain bleeder.
7 Remove the blanking caps from each instrument fitting and connect the static pressure lines.
8 Blank off both static pressure ports of the fuselage.
3) Perform a leakage test of the static system - refer to Page 501.
WA
Validity : S / N 1 - 9999 34 11-00 Page 302
(BA) JUN 04
 
 
..-
 

 
Pitot
 
 
 
Purge Drain
 

 
Prise statique Static port

14341100AABGWZ4100 LEGENDE : LEGEND :
Circuit dynamique Dynamic system
  Circuit statique
Static system

Air data systems - Servicing
Figure 301 - Without alternate static source valve
WA
Validity : S / N 1 - 9999 34 11-00 Page 303
(BA) JUN 04

 
LEGENDE : LEGEND :
Circuit dynamique
Dynamic system
  Circuit statique
Static system
Air data systems - Servicing
Figure 301A - With alternate static source valve
WA
Validity : S / N 1 - 9999 34-11-00Page 304
(BA) JUN 04
 
AIR DATA SYSTEMS
REMOVAL / INSTALLATION
NOTE : The standard removal / installation procedure of an instrument applies to altimeters, airspeed indicators and vertical speed indicators.
1. STANDARD REMOVAL OF AN INSTRUMENT
A. Tools and consumable materials
- Blanking caps and plugs
B. Procedure
1) Make sure that the main switch-breaker is open.
2) Tilt the instrument panel and remove the upper cover - refer to 31-10-01.
 
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