COBHAM SEA TEL 9711IMA-70, Installation Manual

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Maintenance 9711IMA-70
15-4
15.3.1.2.2. Feed PN: 62-147931
Drive of the (newer) 62-147931 Linear/Circular Feed Assembly must be set to
CW/Fwd.
15.3.2. Installing the Linear/Circular Selectable Feed Assembly
Refer to the procedure below to install the Linear/Circular Selectable feed assembly on the 2.4.m meter
offset reflector.
1. Assure that the DAC-2202
System Type does NOT
include 8.
2. Assure that the DAC-2202 TX
Polarity is set to 2 (Horizontal
TX).
3. If this is the initial installation
of a drop-in feed, skip to step
12.
4. If switching drop-in feeds,
remover the currently
installed drop-in by following
step 5-10.
5. Disconnect the coax
connections to the LNB(s).
6. Disconnect the flexible
waveguide from the rigid
waveguide.
7. Disconnect the feed harness.
8. Tie the reflector down, or
have someone hold it until the
drop-in feeds have been
swapped.
CAUTION: The dish will be very back
heavy when the drop-in feed is
removed, therefore, the reflector will
rise VERY abruptly if not held down
until the weight of the feed is replaced.
9. Remove the eight screws (see
red arrows) from the front of
the scalar plate to disconnect
the drop-in feed from the
scalar plate.
EAR Controlled - ECCN EAR99