Operation and Maintenance Manual

4
SECTION 2 INSTALLATION & OPERATION
2.1 General
The AL-4017-1EBS-B Elevation over Azimuth positioner is shipped as a
ready-mounted unit (pedestal assembled on base riser).
Unpack the system and examine it for any damage that may have
occurred in transit. Check connectors, units, the base, and the body itself.
The site on which the Positioner is to be placed must be adequate to
support its weight. Unless otherwise stated, Positioners are dispatched
with the upper turntable in the zero position and locked on zero.
2.2 Positioner Installation
Using an adequate hoisting device and lifting eye, place the Positioner on
the designed location and clamp it with 3/4" UNC bolts and torque to ≈100
ft-lbs.
2.3 Antenna Installation
CAUTION
To prevent injury to personnel and damage to equipment, always
make sure that the SAFE/OPERATE switch on the connector panel is
set to SAFE, prior to antenna installation on Positioner.
a. The antenna should be fastened to the upper turntable using the
specially designed antenna support. When mounting the antenna it is
important to consider the Positioner's bending moment rating. The
weight of an antenna assembly, wind, and/or ice-formation may all
subject a Positioner, located in the open, to a bending moment.
When approaching the Positioner's maximum rating, caution should