Removal and replacement of ADU modules
8-50
Chapter 8: Service & maintenance
98-137654-A
8.5.7 Replacing the Drive Belts
The ADU has 3 drive belts:
• X Elevation drive belt
• Elevation drive belt
• Azimuth drive belt
For step-by-step instructions see:
Removing the X Elevation Drive Belt
Inserting a new X Elevation Drive Belt
Removing the Elevation Drive Belt
Inserting a new Elevation Drive Belt
Removing the Azimuth Drive Belt
Inserting a new Azimuth Drive Belt
Removing the Polarisation Drive Belt
Inserting a new Polarisation Drive Belt
8.5.7.1
Removing the X Elevation Drive Belt
To remove the X Elevation Drive Belt, do as follows:
1. Open the service hatch by releasing the two latches with Torx
screws.
2. Switch off the power to the antenna on the service switch.
Tools needed:
• 4 x 150 mm Allen key
(located inside the
service door of the ADU)
• Acoustic frequency meter
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