COBHAM Sea Tel 4010W-91, Installation Manual

Page: 126 / 141

Procedure, Radome Strain Relief Installation
Page 1 of 6
Document No
131226 Rev A
Form # 117140-B
1.0
Purpose.
To define the installation procedure for installing strain reliefs in “smooth base”
radomes.
2.0
Scope.
This installation procedure applies to fiberglass radomes having Sea Tel’s standard
four-hole mounting pattern, and M12 mounting hardware
3.0
Tools/materials.
, in the 80-180 cm (34-66 in)
nominal size range, typically referred to as “smooth” base radomes. It also applies to our
larger 193 cm (76-inch) radome having a twelve-hole mounting pattern. It is to be used where
the preferred center cable exit may not be desired.
1. Electric drill.
2. Small drill bit 1/8” dia. (3-4mm dia.).
3. Hole saw, 1 3/8” dia. (35 mm), with mandrel and ¼” dia. pilot drill.
4. Medium file.
5. Two 1-1/2” (38 mm) adjustable pliers.
6. #2 Phillips screwdriver.
7. Fiberglass resin & catalyst, (marine grade) - at least 2 oz (50 cc).
Such as Tap Plastics Marine Vinyl Ester Resin with MEKP Catalyst.
Note: Use liquid resin, instead of paste type, due to better penetration.
8. Mixing cup – 4 oz (100 cc).
9. Disposable brush.
10. Strain Relief Assembly 124903-1, (one per cable).
4.0
Responsibilities.
It is the responsibility of the installer to observe all standard safety
precautions, including eye, slip, and chemical protection when performing this procedure.
4.1 Procedure.
Remove the standard cable pass through assembly 130818-1*
* N/A for 193 cm (76-inch) nominal size radomes. Refer to Fig 1, then use #2 Phillips
screwdriver to remove 4 ea. attachment screws.
Fig. 1 – Cable pass-thru assembly
Use #2 Phillips
screwdriver to
remove 4 ea.
screws.