PJ234

Thanks for the replies! I have those parts, and the lobed 'washer' is what I meant when I said clutch piece in my first post. I tried installing that both ways, but it didn't make any difference. Here are some photos...on more thought is that maybe there should be something in the wide shallow groove in the shaft that secures the handwheel? Otherwise, it seems to be just a plastic handwheel sitting on a steel shaft with nothing connecting them together? The holes in the handwheel and steel shaft, and wide shallow groove, can be seen in these photos: