Why are you posting the same problem again? Have you fully done what was mentioned in the other thread, which is just a few threads below?
You must give exact details and then follow instructions. There is only one arm you can see without removing covers and that is the arm that moves the shuttle in and out, not the one that rotates the turret. Again, give exact details step by step of what happens. There is no magic button to push that will fix your problem. A video would be great too.
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