Reference, Installation, and Operations Manual

Section 3: Installation

3-9000-743 Rev S

June 2013

 

 

 

3.6.1End 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

Housing End Cap

Housing End Rib

Housing End Cap

Seal Wire hole

End Cap Retention

Screw hole

1.Rotate end cap clockwise fully closing and compressing the end cap seal.

2.

Use a

5

inch (2.0 mm) hexagon wrench to tighten the set screw. When tightened, the

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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.

End cap security seal installation

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