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Reference, Installation, and Operations Manual Section 3: Installation
3-9000-743 Rev S June 2013
End cap security seal installation 89
3.6.1 End cap security seal installation
Use the following instructions to install the retention screws and security seal wires on the
Upper Electronics Housing. The security seal wires referenced below are commercially available.
Figure 3-27 Upper electronics end cap security seals
1. Rotate end cap clockwise fully closing and compressing the end cap seal.
2. Use a inch (2.0 mm) hexagon wrench to tighten the set screw. When tightened, the
retention screw prevents vibration from loosening the end cap and discourages
unauthorized entry into the electronics housing.
3. Install the security seal wire into and through one of the two holes in the Housing End
Rib and through one of the two holes of the outer edge of the Housing End Cap. Choose
holes that minimize counterclockwise rotation of the end cap when the security wire is
taut (maximum wire diameter 0.078 inch; 2.0mm) (see Figure 3-27).
4. Adjust wire, removing all slack and seal. Remove excess wire.
Housing End Rib
Housing End Cap
Seal Wire hole
End Cap Retention
Screw hole
Housing End Cap
5
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