(Continued)
Reference Description Specification
B50073 Alcohol - Isopropyl ASTM D 770
D50004 Compound - Antiseize BMS3-28
G50262 Wiper - Cleaning BMS15-5
G51032 Sandpaper - Aluminum Oxide, 80 Grit
D. Location Zones
Zone Area
111 Radome
E. General
SUBTASK 53-52-00-940-002
(1) Because of the weight of the nose radome, two mechanics are necessary to do this task.
F. Prepare for the Installation
SUBTASK 53-52-00-110-001
(1) Install the erosion protection and the lightning diverter strips where it is necessary.
SUBTASK 53-52-00-420-008
(2) Install the hinge brackets, the serrated plates, and the fillers on the radome with the screws,
and install the brackets (New radome only).
NOTE: These brackets can push on the flange of the reinforcement angle.
SUBTASK 53-52-00-420-009
(3) Tighten the bolts.
SUBTASK 53-52-00-210-016
(4) Make sure that you open all WEATHER RADAR circuit breakers on the P6-1 breaker panel.
NOTE: See the Weather Radar data for the airplane.
SUBTASK 53-52-00-860-002
WARNING
GET SUFFICIENT AID FROM OTHER PERSONNEL AND EQUIPMENT TO
HOLD THE COMPONENT DURING THE REMOVAL, AND INSTALLATION. THE
COMPONENT IS HEAVY. THIS WILL PREVENT INJURIES TO PERSONNEL,
AND DAMAGE TO EQUIPMENT.
(5) Use two mechanics to install the radome.
(6) Hold the radome adjacent to the fuselage bulkhead until the hinge brackets can be engaged
with the hinge arms on the bulkhead.
SUBTASK 53-52-00-420-003
(7) Install the shims, where it is necessary, between the hinge brackets and the hinge arms, and
install the hinge attachment bolts.
G. Procedure
SUBTASK 53-52-00-410-001
CAUTION
YOU MUST BE CAREFUL WHEN YOU LOWER THE RADOME TO THE
CLOSED POSITION AFTER THE INSTALLATION OF THE HINGE. IF YOU ARE
NOT CAREFUL WHEN YOU LOWER THE RADOME, THE TOP AFT EDGE OF
THE RADOME CAN HIT THE FUSELAGE SKIN AND CAUSE DAMAGE.
(1) Remove the radome support rods, if used.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-52-00
Page 403
D633A101-ILF Oct 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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