Dear All, I am new in sewing leather with a machine after a couple of years of handsewing leather. I recently purchased a Durkopp 239 125 machine and am looking for a manual to time the machine perfectly. I've found a 'general' manual but with no info on timing the machine.  All info, manuals, pictures on how to..for this type of machine are welcome.  I live in Belgium and there is not much to find on this side of the world. I am also looking for a supplier for thread and needles