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747-400 MAINTENANCE MANUAL
S 864-089
(9)
If electrical power is not necessary, Do this task to remove electrical power: Manual Control (AMM 24-22-00/201).
S 414-091
(10)
Do this task to close the nose radome: Nose Radome (AMM 53-52-01/201).
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747-400 MAINTENANCE MANUAL
WEATHER RADAR WAVEGUIDE - REMOVAL/INSTALLATION
______________________________________________
1. General
_______
A. This subject has two tasks. The first task is for the removal of the weather radar waveguide (waveguide). The second task is for the installation of the weather radar (WXR) waveguide. The WXR waveguide removal has these parts.
(1)
Open the nose radome
(2)
Remove the WXR waveguide section(s).
B. The WXR waveguide installation has these parts.
(1)
Install the WXR waveguide section(s)
(2)
Do a test of the weather radar system
(3)
Close the nose radome.
C. Access to these areas is necessary when the waveguide sections are removed or installed:
(1)
Sections 1 and 2 - Access to the nose radome
(2)
FREIGHTERS; Sections 2, 3, 4 and R/T feeder waveguide sections- Access below the floor compartment at station 200
D. The waveguide sections are removed when the flange screws and the support clamps are removed. Replace defective gaskets between flanges.
NOTE: Supply sufficient body axis movement to disconnect the
____ waveguide flanges. Loosen the support clamps on other sections to supply sufficient movement toward a flexible section.
TASK 34-43-04-004-234
2. FREIGHTERS; Waveguide Removal (Fig. 401A)
_________________
A. References
(1) AMM 53-52-01/201, Nose Radome
B. Access
(1) Location Zone 111 Radome 112 Freighter Main Deck - Nose to First Door, Right
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747-400
MAINTENANCE MANUAL
C. Waveguide Section 1 Removal 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址:747-400 AMM 飞机维护手册 导航 NAVIGATION 2(135)