Need help locating a manual or some information on this lathe,

[Desab]

the change gears must of gotten lost thru the years. would like to be able to cut most threads and feeds, so far i can only cut threads in the F section

 

[Mitch Alsup]

There is one Grizzly lathe with the handle arrangement you have on top, but not the ones you have on the bottom. It is a 16×40.

{Other than that I don't know}