ETS-Lindgren 2175 Antenna Tower - Manual (Page 23)

Assembly and Installation | 23
12. Slightly engage the air lines onto the fittings and note the position of the boom.
Energize the air line supply to the motor base. If the boom is in horizontal polarization
(holes in the boom are on top), fully engage the hoses onto the fittings provided. If
the boom is in vertical polarization, turn the air off and reverse the air lines and then
fully engage them on the fittings provided in the platform.
Air line pressure should be between 60–80 psi (4.14–5.52 bar). Do not
exceed 80 psi (5.52 bar).
Keep hands away from any portion of the carrier while
performing this task. Failure to do so may result in
personal injury.
Do not perform any service on the carrier with the air lines
energized.
13. When the MiniMast is in the position where testing will occur, lock the brakes
provided on the swivel casters to prevent movement of the platform.
Electrical Installation
The motor base is provided with a three-conductor AC power cord that is
approximately 2.45m (8 ft) long. Power to the motor base is 220 VAC. The
motor base should be wired to a circuit capable of providing 10 amps of service.
The power cord is to be terminated into an outlet near the motor base. The power
cord is suitable for portable or indoor applications without modification. Ideally,
the power cord would exit the motor base and terminate into an outlet with as
short a cord as possible as the start and stop actions of the motor base create a
small amount of RF noise through the power cord.
If this equipment is to be operated outdoors, precautions must be taken to
protect the MiniMast from the weather. In the event that modifications are
required, the installation should be compliant with all local and national
electrical safety codes.
As with all electrical devices, disconnect the power prior to
servicing the equipment.
A fuse is mounted on the side of the motor enclosure. This fuse provides
protection for the motor and the associated electronics. An additional fuse
provides protection for the DC power supply inside the motor base.