5-7
Maintenance
54-0149 Rev. D
10. The RF signal values while tracking shall be
greater than 2000 and less than 3000.
5.4.3 EchoStar Adapter Replacement
Estimated Time to Repair:
1
⁄
2
hour
Use the following procedure to replace the EchoStar Adapter:
1. Remove power from Antenna and unplug IRD
from AC power.
2. Observe static precautions.
3. Unscrew and remove DB9 cable connector from
the Adapter.
4. Unscrew thumbscrews securing Adapter to IRD.
5. Carefully remove Adapter from IRD card edge.
6. Install new Adapter on the IRD card edge. Secure
the Adapter and reinstall cable.
5.5
Preparation for Shipment
If it is necessary to repack the Antenna Unit for shipment, the
shipping restraints removed or stowed during installation
must be replaced. Follow these steps to reinstall the restraints.
1. Rotate the antenna unit so that the LNB is facing
forward (away from the liquid-tight fittings).
2. Attach the three restraints to the baseplate using
the 1⁄4
"
-20 x 5⁄8
"
long hex screws and washers
(provided as part of the kitpack), and nuts
(removed from shipping restraint during
installation) as pictured in Figure 5-5.
When rotating the azimuth
mechanism by hand, go slowly!
Hitting the mechanical stops with
excessive force will damage the
azimuth limit switch.
Figure 5-5
Attaching the Shipping Restraints
to the Antenna Baseplate