Working on a 1988 Jet 1340 PBD. ( belt drive) When I open the top door and manuely engage low gear by pulling the pin out the spring loaded pin in the front gear, and moving the (double geared shaft) froward by engaging the lever on the outside back of the rear gear box, and everything locks up. I have two of these lathes and the other one when you pull the little finger wheel out of the front wheel and twist half a trun, it allows the front gear to free wheel. I'm wondering if the engangement pin has broken in the little round knob that you pull out and turn half a turn to disengage the front gear is, like I said broke and is not allowing it to disengage. I tried taking the gears and pullys out. I took off all the allen nuts in the belt pullies, took off the double large locking nuts on the rear of the main drive shaft and taken all the allen bolts off the rings on the front and rear face plates and tried to hammer the shaft out and it didn't budge. Anyone know where I can get a disassebly picture or manuel or advice on how to take it apart?
Thanks for your time.