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Training, Installation & Service Manual - Livewire Connections Ltd

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9.5.4.4 Inserting a new Elevation DDM<br />

To insert a new Elevation DDM follow the instructions above in<br />

reverse order.<br />

9.5.4.5 Removing the Azimuth DDM<br />

To replace the Azimuth DDM, do as follows:<br />

1. Open the service hatch by releasing the two latches.<br />

2. Switch off the power to the antenna on the service switch.<br />

3. Rotate the antenna pedestal so that the arm with the GPS module<br />

faces the service hatch.<br />

4. Locate the Azimuth DDM at the front of the antenna.<br />

Removal and replacement of ADU modules<br />

Tools needed:<br />

• 4 x 150 mm Allen key<br />

(located inside the<br />

service door of the ADU)<br />

• Flat head screw driver<br />

9999<br />

Figure 9-27: location of the Azimuth DDM<br />

<strong>Service</strong> & maintenance<br />

98-133966-E2 Chapter 9: <strong>Service</strong> & maintenance 9-27

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