Just did mine a while back. Very intimidating, making the initial hole. In your bedroom is a blank outlet plate in the ceiling. Take it off and you will be staring at a large block of styrofoam. Dig a hole. A few inches up you will find three rolls of wire. Two coaxes and a black control lead. The next part is hard. Take a drill with a long bit and drill straight up. Then go on the roof and find the hole and use it to center a 1 1/4 hole saw and cut out the rubber roof membrane before starting the drill. You might otherwise tear the membrane. Unless you are really going a long ways, the wires provided will work. Make sure you pull the wire nut through with the control wire. You will have to remove the installed control wire from the antenna, and install the wire from the roof. You will also need to install coax terminations on the wires from the roof.
I didn’t use a baseplate, but I did install the “landing strip” plate for the nose. The easiest thing to do is download the manual online, use their dimensions for the “clear” area required, trace it out on cardboard and take that to the roof and find a spot with the required clearances. Once identified, horse the antenna to the roof.
Position the satellite, change out the control wire, check sufficient cable run, then position the base, trace with a pencil and move it to the side. Apply a thick bead of self leveling caulk just inside your pencils mark. Carefully position the antenna and put in the 9 screws. Then coat the edges and screws with self leveling caulk. Use screw down wire clamps along the length of the wires and try to lay them so they aren’t perpendicular to the long axis of the trailer (prevent slapping) and then cover them with self leveling caulk. Push the excess wire back into the hole and put the cover over it and caulk that. Put the blank plate in place in the bedroom, hook up and plug in the power supply, make the two jumpers for the box on the side of the trailer, (. I used a couple inches of coax off the ends of the roof cables) and you are pretty much done. You might need to call Dish to alert them to the new equipment, I honestly don’t remember. Oh, and clean up the styrofoam mess in the bedroom before showing off your handy work to the wife!
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