I just replaced the rudder servo on my trex with a Hitec HS-65HB. I can get the servo to move the rudder left and right but it goes way to far and bends the arm that goes back to the tail. It also doesn't return to center when my TX stick is centered. I have a JRXP6102 TX and cannot find out how to correct this in the manual and the servo didn't have any instructions. Any help would be appreciated. I'm losing flying time!