Over the past 15 years of having a Winegard open dish, I've bent the arm on two occasions, striking a tree while it was searching. I doubt that the dish damage is your issue, it's typically the arm that gets knocked out of whack.
I have straightened an arm, but it takes a little work. First you must do some measurements on the roof to see if it's straight to the mount. Second you have to bring up the screen on your TV that tells you the percentage of reception. I adjusted mine while my wife watched until I got it dialed in.
If you have a good rapport with your dealer, they typically will have a stockpile of DirectTV arms. When people order a new coach and want DISH, Newmar often sends the coach out with DirecTV and the dealer changes the arm to the DISH arm.
Lastly, you can just buy the parts from Winegard and install them. I actually carry a spare arm that I got from someone.
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Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
2019 Ford Raptor
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