User's Manual

1.5.2 Installation Kits
Refer to Table 1-2 for all component or modification kits required to install the DME station. Some kits
listed are optional equipment. Kits ending with “X” have many different varieties and will vary depending
on the site specific requirements. In all necessary cases installation drawings for each kit are provided with
the kit hardware.
Table 1-2 Component or Modification Kits Required to Install the DME
Part Number
Description
470085-000X DME Tower Antenna Kit
470561-0001 DME Unidirectional GS Tower Mount Antenna Kit
470628-000X DME Battery Backup Kit, 35AHr
470622-0001 DME Accessory Kit
470627-0001 DME AC Power/Installation Kit
470291-000X DME OB Light Kit
470623-0001 Environmental Sensors Kit
470360-000X PMDT Kit
Table 1-3 Additional kits required to Install Shelter and Tower Grounding Systems
Part Number
Description
470252-0002 Civil Install Kit, 45G Rohn Tower
470225-0001 Civil Install Kit, Shelter
470557-0001 Shelter Internal Grounding Kit
1.5.3 Shelter Foundation Installation
For shelters not supplied by SELEX Sistemi Integrati Inc., the manufacturer of the shelter will supply
drawings for the site engineer.
1.5.4 Shelter Installation
a. Use a crane and four nylon slings (20 feet long) to position the equipment shelter on the four concrete
piers.
b. Attach the shelter to the pier anchor bolts using appropriate hardware.
1.5.5 Tower Foundation and Tower Installation
A triangular steel tower is available for use as a support for the DME antenna. Figure 1-2 shows the
installation details for this tower. Figure 1-3 illustrates the triangular tower adapter plate required to mount
the antenna to the DME tower.
1.5.6 Shelter and Tower Installation Grounding
a. Install ground rods and ground wire as detailed in Figure 1-2 and Figure 1-4.
b. Install the 470557 Shelter Internal Grounding Kit per the drawing provided with the kit.
c. Verify the shelter grounding plate, AC wiring, lightning protection, RF tower, and telephone
equipment all share a common grounding potential. The impedance between any of these items should
be below 10.
1.5.7 Air Conditioner Installation
If a wall mounted air conditioner is supplied, install the air conditioner in the wall opening and secure it in
place using bracket supplied. Apply silicon seal around air conditioner and wall opening to maintain a
weather tight seal.