Removal and replacement of ADU modules
8-44
Chapter 8: Service & maintenance
98-137654-A
8.5.6.7 Removing the X Elevation Motor and Encoder
To remove the Cross 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 dish to top position.
4. Rotate the antenna pedestal so that the arm with the X Elevation
Motor faces the service hatch.
5. Press in and turn the elevation locking pin (available in some
antennas) to locked position.
6. Disconnect the 3 cables at the top of the Cross Elevation DDM.
7. Loosen the Cross-Elevation Drive belt tension/adjustment screw.
Tools needed:
• 4 x 150 mm Allen key
(located inside the
service door of the ADU)
• Acoustic frequency meter
Figure 8-50: Replacement of X-Elevation Motor & Encoder 1
SAILOR100TM.book Page 44 Tuesday, January 29, 2013 2:44 PM
Summary of Contents for 100
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