Hi. I have an old Craftsman 109 lathe. When I was using back gear, the planetary mechanism came loose. It is supposed to be locked with a pin, but it tilted and came loose. It seems that it is free to slide along the spindle. There are a few washers and spacers, and I was wondering if there were any missing. I looked at the parts diagram, and it shows *NO* washers or spacers on the spindle. There is only the pulley, spider, and back gear housing. Is there something else that is supposed to hold them in place, and the previous owner just put in the washers to try to hold everything in place? Is there a detailed picture of the spindle assembly that can show this? Thanks.