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Field replacement procedure –
Doc. No.: 97-177616-A
Location of the polarization motor and belt
Replacing the part:
1.
Open the service hatch, loosen the 8 screws.
Do not use a pow er tool!
Access the pedestal through the hatch.
2.
Power off the ADU (at the ADU power on/off
switch at the antenna control module).
3.
Remove the feed horn with a suitably sized
wrench. Apply the wrench close to the dish, see
the flattened area. Turn anti-clockwise.
Important:
Handle the feed horn carefully
and make sure that it does falls down and
gets broken.
