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Training, Installation & Service Manual - Livewire Connections Ltd

Training, Installation & Service Manual - Livewire Connections Ltd

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Removal and replacement of ADU modules<br />

9.5.8.5 Removing the Azimuth Drive Belt<br />

Tools needed:<br />

• 4 x 150 mm Allen key<br />

(located inside the<br />

service door of the ADU)<br />

• Acoustic frequency meter<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 and<br />

4. Rotate the Antenna Dish to top position.<br />

5. Press in and turn the elevation locking pin (only available from<br />

serial number TBD) to locked position.<br />

6. Loosen the 15x4 mm Allen screws (the 3 Allen screws on top are<br />

longer than the rest) on the cover over the azimuth drive<br />

modules, and remove the cover (lift and slide).<br />

L=35 mm L=35 mm L=35 mm<br />

Figure 9-76: Azimuth drive modules, remove cover<br />

9-60 Chapter 9: <strong>Service</strong> & maintenance 98-133966-E2

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