Hi folks, new to the form and have a few questions I hope someone can help me with. I have been sewing for years and have my own shop with several industrial machines. Recently I picked up a Juki LU-1508 walking foot at an auction. It is in need of repair and a few replacement parts. My husband who is quite handy has it up and running, but he does have a few quetions/concerns. One is on the oiling/lubrication set-up. As the model I have is the LU-1508 ( I am assuming it is the base model a