My buddy has a 41 1/2 ton with an orig. vacuum wiper motor. He is having a problem getting it to work properly. The motor works perfectly, the problem is that when it sweeps to the right (passengers side) it hits the center divider of the windsheld and stops. Apparently it isn't moving far enough to the right to cause the motor to reverse directions. It does park in the proper position on the left.

Is there any kind of adjustment on the motor to reduce the angle of sweep?

He does have an afer market arm & blade on it. It's possible that the blade is too long to allow the arm to move far enough to reverse directions. Can some one give me the original lenght of the blade and arm. This might be the problem. Or perhaps some sort of adjustment is in order.

Many Thanks
George