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Training, Installation & Service Manual - Livewire Connections Ltd

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9.5.8 Replacing the Drive Belts<br />

The ADU has 3 drive belts:<br />

• X Elevation drive belt<br />

• Elevation drive belt<br />

• Azimuth drive belt<br />

For step-by-step instructions see:<br />

Removing the X Elevation Drive Belt on page 9-55<br />

Inserting a new X Elevation Drive Belt on page 9-56<br />

Removing the Elevation Drive Belt on page 9-57<br />

Inserting a new Elevation Drive Belt on page 9-59<br />

Removing the Azimuth Drive Belt on page 9-60<br />

Inserting a new Azimuth Drive Belt on page 9-63<br />

9.5.8.1 Removing the X Elevation Drive Belt<br />

To remove the X Elevation Drive Belt, 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 />

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 />

• Acoustic frequency meter<br />

9999<br />

Figure 9-69: Location of the X Elevation Drive Belt<br />

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

faces the service hatch.<br />

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

98-133966-E2 Chapter 9: <strong>Service</strong> & maintenance 9-55

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