Replace and rebuild knobs for up and down. Sealed air leakage Repacked air cylinders Replace regulator with better used bor. New bearing on the right side. No vacuum or time control. Only mixture
Oil change and filter change in vacuum pump. New plexiglass pipe for the water separator. New protective cover for control panel New gasket for tumbler drain Replace control relay in refrigerator Manufactured new lid for glycol tank. Works perfectly.