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TB20 MAINTENANCE MANUAL 34 导航 TB20飞机维护手册 1(37)

时间:2011-11-09 15:56来源:蓝天飞行翻译 作者:航空
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Variante de localisation Alternate location
 
Heading reference system - Identification and location of components
Figure 2
AJAJ
Validity : KG 107 with autopilot 34-21-00Page 3
(cm) FEB 00
 
PAGE INTENTIONALLY LEFT BLANK
 
HEADING REFERENCE SYSTEM
DESCRIPTION AND OPERATION
1. GENERAL
The purpose of the heading reference system is to provide the pilot with a visual display of aircraft heading. The system is composed of :
- the M35 directional gyro indicator,
- the S117 "DIRECT. GYRO" ON / OFF switch.
The directional gyro indicator is electrically supplied by "BUS 2" bar via the ON/OFF switch and protected by CB35 "DIRECT. GYRO" circuit breaker.
2. LOCATION (Figure 1)

COMPONENT QTY AREA ACCESS DOOR REFERENCE
M35 directional gyro indicator 1 251 R / /
S117 "DIRECT. GYRO" ON / OFF switch 1 250 / /
Circuit breaker :
- CB35 "DIRECT. GYRO" 1 PL1 / WM

3. OPERATION NOTE : For equipment operation and maintenance, refer to the supplier's Maintenance Manual.
 
Variante de localisation Alternate location
 
Heading reference system - Identification and location of components
Figure 1
AKAK
Validity : Electrical directional gyro 34 21-00Page 2
(cp) FEB 00
 
HEADING REFERENCE SYSTEM
DESCRIPTION AND OPERATION
1. GENERAL
The optional heading reference system provides a heading reference using flux valve data for long term
stability and employing a single axis gyroscope for short term stability.
The system consists of :
- the A101 slaved directional gyro,
- the A71 flux valve,
- the M70 slaving accessory.
The two electrically insulated output synchros of the slaved directional gyro provide heading signal to :
- the Radio Magnetic Indicator (RMI) - refer to 34-25-00,
- the A104 symbol generator of the EFIS system - refer to 34-28-00.
The heading reference system operates on 115 Volts/400 Hz.
2. LOCATION (Figure 1)
COMPONENT QTY AREA ACCESS DOOR REFERENCE
A101 slaved directional gyro 1 220 242 /
A71 flux valve 1 620 622 /
M70 slaving accessory 1 250 / /
Fuses :    
- F125 "115 VAC" 1 PL100 219 WM
- F126 "RMI 26V" 1 PL100 219 WM
- F127 "SG 465 26V" 1 PL100 219 WM

ALAL
Validity : KCS 305 with EFIS 34-21-00Page 1
(DA) FEB 00
 
 
Heading reference system - Identification and location of components
 
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