Removal and replacement of ADU modules
98-137654-A Chapter 8: Service & maintenance 8-33
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Service & maintenance
8.5.6.1 Removing the Elevation Motor and Encoder
To remove the Elevation Motor and Encoder, 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.
3. Rotate the Antenna Pedestal so motor assembly and elevation
belt faces the service hatch.
4. By compressing the belt tension pulley upwards and moving the
dish back and forth the belt can be slid off the pulley.
Tools needed:
• 4 x 150 mm Allen key
(located inside the
service door of the ADU)
• Acoustic frequency meter
Figure 8-32: Location of the Elevation Motor & Encoder
Figure 8-33: Removing the elevation drive belt
SAILOR100TM.book Page 33 Tuesday, January 29, 2013 2:44 PM