User's Manual

Table Of Contents
10271450001 Revision E Installing ODUs 421Hub installation
2. Place an inclinometer on the top surface of the antenna, as
shown in figure 4-16.
Downward elevation angle
(may also be upward, depending on
network configuration)
Antenna
(front)
T0006036
Inclinometer
Figure 4-16 Inclinometer on top of the antenna
3. Adjust the antenna as necessary to obtain the correct
elevation angle, as indicated by the inclinometer.
4. When the elevation is properly adjusted, tighten the four
antenna bracket nuts to 16 footpounds torque (21.7
Newtonmeters). See figure 4-17.
T0009031
Tighten
Tighten
Tighten
Tighten
Antenna bracket
locking nut
Elevation locking nut
(Leave loose for later
adjustment.)
Elevation locking nut
(Leave loose.)
Azimuth locking nut
(Leave loose.)
Azimuth locking nut
(Leave loose.)
Antenna bracket
Figure 4-17 Antenna bracket locking nuts (and other nuts)