Turntable Belt for Dual 510 Turntable

I have a dual 510 I see manual turntable with an auto stop belt drive that the pitch control is not functional so let's fix it I have a dual 510 turntable customer complaint pitch control does not work pitch control on these is a small little belt that links to another a gear driven like a cam that moves up and down on the motor shaft itself and actually drives a pin down into the motor which expands the you'll see when I take it apart here so let's first of all take the belt off and now we can lift the turntable oh okay well you turn the pitch control this little tooth belt is adjusting this control here and you can see here what happens it raises this adjuster up and down on what this adjuster does is it actually pushes a pin which is inside here you can see it inside the motor shaft there it pushes it down or up and it's supposed to come up on its own but what happens is they get stu