I have a parker vacumatic twist type pencil that I recently received as part of a Vacumatic FP/Pencil set (though.. they don't look like an original set as the bands don't match).
The body is in excellent condition but the mechanism doesn't seem to be working. I can twist it either direction without reaching any stop and I do not see the clutch or anything extend from the tip to grip the lead. I have tried slipping lead in it but do not feel anything in the barrel to clear out so I don't think it's a lead jam. I don't see a way to take the mechanism apart for further inspection.
Does anyone have any experience with these and advice on how to try to get it working? Or is there some place to buy a replacement mechanism/send it for repair?
I've attached some images of the pencil and mechanism.