ETS-Lindgren 2075 MiniMast (Archived) - Manual (Page 12)

Assembly Instructions MODEL 2075 MINIMAST™
8 © EMC TEST SYSTEMS, L.P. – MARCH 2002
REV D – PN 399235
12. Connect the free end of the lifting rope to the carrier brake
using the phenolic rope clamp. When connecting the rope to
the carrier, lift the carrier slightly and connect the rope so that
it is taut.
13. To set the antenna’s vertical position, measure the distance
from the antenna (i.e. antenna centerline) to the ground plane.
With this distance established, refer to the Model 2090
controller manual’s instruction for setting Current Position.
14. To connect the pneumatic polarization to an air supply, a
barbed air fitting is provided on the side of the motor base
enclosure. Tubing is provided to make this connection. The air
supplied to the system should be dry and free of foreign matter.
Supplied air pressure should be between 60-80 psi (410-550
kPa). The volume required to operate the polarization cylinder
is dependent upon the frequency of polarization changes. Air
consumption should be less than 2 cfm at 60 psi during normal
operation.
15. When the tower is in the position where testing will occur the
platform brake should be set to secure the base in place. To set
the platform brake, locate the hand knob on the base platform
and turn it until the brake is secure against the ground.
16. Proceed to the electrical installation section to complete the
installation of the tower.
Archived 3/18/10