GLIDE SLOPE ANTENNA DIRECTOR BAR - REMOVAL/INSTALLATION
1. General
A. This procedure contains two tasks. The first task is the removal of the director bar for the glide
scope antenna. The second task is the installation of the director bar for the glide scope antenna.
B. The director bar for the glide slope antenna is an aluminum foil pressure-sensitive strip of tape. The
director bar is attached to the inner surface of the nose radome. It changes the radiation signals for
the glide slope antenna.
TASK 53-52-31-000-801
2. Glide Slope Director Bar Removal
(Figure 401)
A. Location Zones
Zone Area
111 Radome
B. Procedure
SUBTASK 53-52-31-860-001
(1) Open this circuit breaker and install safety tag:
F/O Electrical System Panel, P6-1
Row Col Number Name
D 13 C00120 WEATHER RADAR RT
SUBTASK 53-52-31-010-001
(2) Open the nose radome.
(a) Remove the screws which attach the radome to the clips on the fuselage.
CAUTION
DO NOT OPEN THE RADOME IF THE WIND SPEED IS MORE THAN 15
KNOTS. THIS CAN CAUSE DAMAGE TO THE RADOME.
(b) Open the radome.
(c) Install the support rod to hold the radome open.
SUBTASK 53-52-31-020-001
(3) Remove the director bar [1].
END OF TASK
TASK 53-52-31-400-801
3. Glide Slope Director Bar Installation
(Figure 401)
A. References
Reference Title
53-52-00-400-801 Nose Radome Installation (P/B 401)
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-52-31
Page 401
D633A101-ILF Oct 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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