TM106601_(7/01) FMvii
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INSTALLATION MANUAL
RDR-1600 WEATHER RADAR SYSTEM
2/24/77 AC 43-14
electrical performance can produce numerous problems which may appear to be symptoms of
deficiencies in other units of the radar system. The following are examples of improper repair:
(1)
Use of wrong materials - not compatible with original radome materials.
(2)
Patches of different thickness.
(3)
Poor fabrication techniques.
(4)
Nonvoid-free patches
(5)
Repairs overlapping.
(6)
‘Holes plugged with resin, screws, metal, wood, and plastic plugs.
(7)
Cuts or cracks simply coated with resin
(8)
Tape (including electrical tape) over hole or crack and covered with resin.
(9)
Oversize patches.
(10)
Too much or too little resin
(11)
Exterior coatings - too many coats, too thick, uneven thickness - metallic base paints
(12)
Filled honeycomb cells.
(13)
Repairs made without removing moisture or moisture contamination from inside of
radome wall.
(14)
Abrupt changes in cross-sectional areas.
(15)
Patches projecting above outside contour lines.
(16)
Improper cure.
(17)
Wrong size cells or density of honeycomb.
(18)
Excessive overlap in honeycomb joints.
(19)
poor bonding of skin to core.
(20)
Gaps in honeycomb core.
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