Removal and replacement of ADU modules
98-133966-G1
Chapter 8: Service & maintenance
8-47
8888
Service & maintenance
4. Tighten the belt tension device by tightening the 4x4 mm Allen
screws.
5. Check the tension of the belt again (60-80 Hz). If needed, repeat the
tension adjustment.
8.5.8.3
Removing the Azimuth Motor
To remove the Azimuth Motor, 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 Dish to top position.
4. Press in and turn the elevation locking pin (available in some
antennas) to locked position.
5. Rotate the antenna pedestal so that the Azimuth DDM faces from the
service hatch.
Figure 8-55: Elevation motor and encoder, loosen the belt tensioner
Tools needed:
• 4 x 150 mm Allen key
(located inside the service
door of the ADU)
• Acoustic frequency meter
SAILOR900TM.book Page 47 Monday, September 16, 2013 11:01 AM
Summary of Contents for Sailor 900 VSAT
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