I recently acquired an Adler 169-373 cylinder arm machine. It had many issues ( you get what you pay for, right?!). I have taken care of most of them, however, the one I cannot figure out is, the feed timing issue. The needle and inside foot as well as lower feed dog all start moving back ( toward operator) before the needle has cleared the work. This is completely wrong for a compound feed machine. I have never had this issue and don't know what to adjust. No manual I have found has dealt