(2)
Position mode selector on AP/FD MSP to HDG.
EFFECTIVITY
ALL 18 Page 401 Sep 25/9434-31-07
(3)
Turn on applicable VOR/ILS navigation system.
(4)
Position captain's VOR/ILS transfer switch to normal when testing antenna switches No. 1, No. 2, No. 4 or No. 5 and to alternate (aux receiver selected) when testing antenna switch No. 3.
(5)
Tune VOR/ILS navigation system No. 1 (when testing antenna switch No. 1, No. 3 or No. 4) or system No. 2 (when testing antenna switch No. 2 or No. 5) to local VOR station. Listen for station identification code on flight interphone.
(6)
Return captain's VOR/ILS transfer switch to normal position.
(7)
Turn off VOR/ILS navigation system.
(8)
Remove electrical power if no longer required (Ref 24-22-00).
EFFECTIVITY
ALL 07 Page 402 Apr 25/8634-31-07
VOR/ILS TRANSFER SWITCH - REMOVAL/INSTALLATION
______________________________________________
1. General
_______
A. On all ATLAS except AT 701-799, three transfer switches for the VOR/ILS navigation system are installed on the pilot's lightshield and instrument panels. One VOR/ILS transfer switch is on the captain's instrument panel while the two VOR/ILS-INS transfer switches are on the lightshield panel. On AT 701-799, five VOR/ILS transfer switches for the VOR/ILS navigation system are installed on the pilot's lightshield and instrument panels. Two of the transfer switches are on the captains' instrument panel while the first officer's panel has only one VOR/ILS (DEV) transfer switch. The two VOR/ILS-INS transfer switches are on the lightshield panel.
2. Referenced Procedures
_____________________
A. 24-22-00, Maintenance Practices (Apply Power)
3. Remove VOR/ILS Transfer Switch
______________________________
A. Open applicable CAPT or F/O FLT INST SW RELAYS circuit breaker on overhead circuit breaker panel P7.
B. Remove switch mounting hardware.
C. Disconnect electrical connections and remove switch.
4. Install VOR/ILS Transfer Switch
_______________________________
A. Connect electrical leads to switch.
B. Position switch in mounting and secure by installing mounting hardware.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址:747飞机维护手册AMM CHAPTER 34 - NAVIGATION 第34章导航2(40)