Alright - so I was drawing out this multibar damascus billet today, I turn from the gas forge to the hammer - and what do ya know - the hammer is already out - even though I haven't even touched the damn thing... Next thing - the hammer slowly keep sliding further and further down until it eventually hits the anvil surface.
I turn it off and open the cover over the rear piston - and test it by putting in some oil directly - and starting it again. It performs better - but still can't pull the hammer all the way up into it's chamber - and still slowly keeps falling down closer and closer to