SUBTASK 53-52-03-420-001
(4) Install the diverter strip [3], do these steps:
(a) Apply a bead of sealant P/S 870 Class B-1/2 sealant, A50250 or P/S 870 Class B-2
sealant, A50479 on the nose radome [1] outer surface where the diverter strip [3] will be
installed.
(b) Push the diverter strip [3] tightly against the nose radome [1].
(c) Align the diverter strip [3] holes with the correct nose radome [1] fastener holes.
(d) Install the screws, except the diverter strip [3] grounding or terminating fasteners with
sealant, A00247.
NOTE: Grounding or terminating fasteners are not to be installed wet with sealant.
(e) Remove excess sealant.
NOTE: If used, do not let alcohol or acetone dry on the nose radome [1] surface.
Wipe/dry the solvents from the surface using a dry, clean lint free cloth.
(f) At the grounding or terminating fasteners, over coat the fastener tail side and nut with
sealant, A00247.
(g) Install a bead of sealant, A00247 over the heads of each of the diverter strip [3] fasteners
to prevent moisture ingression.
SUBTASK 53-52-03-410-001
(5) Install the nose radome [1] if it was removed.
SUBTASK 53-52-03-210-001
(6) Make sure there are no clearances between the diverter strip [3] and the nose radome [1].
SUBTASK 53-52-03-860-001
(7) Do this task: Lightning Diverter Strips - Test, TASK 53-52-03-820-801.
END OF TASK
TASK 53-52-03-820-801
4. Lightning Diverter Strips - Test
(Figure 201)
A. General
(1) This procedure gives the instructions to do a dc continuity test for all parts that are related to
the diverter strips [3]. You must do this test after you install the new diverter strips [3] or when
the inspection shows deterioration. The deterioration of the diverter strips [3] can cause radio
noise interference.
B. References
Reference Title
53-52-00-010-802 Nose Radome - Open (P/B 201)
53-52-00-410-802 Nose Radome - Close (P/B 201)
C. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-52-03
Page 207
D633A101-ILF Feb 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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