Dear Vandekin I am in Memphis cleaning & repairing two Vandercooks, a 4 and a Uni III. The operator of the III tells me the motor jumps (or rather jolts) itself randomly during a press run and there appears to be a little bit of slack in the chain. I tested it out and sure [...]

On Vandercook Engineering Change #848, dated 8/15/61, the roller cores for these 2 presses were radically changed. We run into these 1961 and earlier presses with the old cores on occasion, and it makes replacing the rollers much easier to know the serial number, or even better, a photo when recovering the rollers or ordering [...]