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TB20 MAINTENANCE MANUAL 34 导航 TB20飞机维护手册 1(51)

时间:2011-11-09 15:56来源:蓝天飞行翻译 作者:航空
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Figure 2
I AHAG
Validity : ADI 1 / ADI 2 - Electric 34 24-00Page 4
pi) JUN 04
 
1 - Lubber line
2 - Roll scale
3 - Warning flag
4 - "PULL TO CAGE" knob
5 - Adjustment knob
6 - Aircraft symbol
7 - Horizon bar
 

 
ADI and standby horizon - Electric horizon gyro
Figure 2A
I AHAG
Validity : ADI 1 I ADI 2 - Electric 34-24 00(DI) Page 5
JUN 04
 
PAGE INTENTIONALLY LEFT BLANK
 
ADI AND STANDBY HORIZON
DESCRIPTION AND OPERATION
1. GENERAL
The optional horizon is a piloting gyroscopic instrument supplying a permanent visual indication of the aircraft pitch and roll attitude with regard to the place vertical line.
The system is composed of an electric horizon gyro with slip indicator replacing the optional turn coordinator. The electric horizon gyro is electrically supplied by "BUS 2" bar.
2. LOCATION (Figure 1)
COMPONENT QTY AREA ACCESS DOOR REFERENCE
Electric horizon gyro 1 251L / /
Switch-breaker : "HOR" or " 0" 1 250 / WM
 
 
A - Electric horizon gyro
B - Switch-breaker
Variante de localisation Alternate location
 
 
ADI and standby horizon - Identification and location of components
Figure 1
AIAH
Validity : Electric horizon 34-24-00(DQ) Page 2
FEB 00
 
3. DESCRIPTION (Figure 2) A. Electric horizon gyro
The electric horizon gyro provides the pilot with a visual display of aircraft attitude. This instrument also shows banking information when the aircraft is turning.
All connections to the equipment are made through a single 4-pin connector on the back panel.
The front panel consists of :
- an aircraft symbol,
- an adjustment knob which allows to move aircraft symbol (option),
- a "PULL TO CAGE" knob which allows to manually erect the rotor,
- a warning flag, which indicates rotor low speed or low input power,
- a slip indicator.
The aircraft attitude is given by the horizon bar linked to the gyroscope and the adjustable aircraft symbol fixed on the case.
The angular value of the aircraft in roll attitude is indicated by the lubber line and the circular roll scale. The angular value of the aircraft in pitch attitude is indicated by the aircraft symbol and the horizon bar pitch scale.
The electric horizon gyro is electrically supplied by "BUS 2" bar controlled and protected by the switch-breaker identified by "HOR" or " Cy
4. OPERATION
NOTE : For equipment operation and maintenance, refer to the supplier's Maintenance Manual.
The electric horizon gyro energization is carried out by means of the switch-breaker. The warning flag disappears when the gyroscope rotor reaches its operating speed.
 
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