Vacuum Control Unit: Installation
- Install new gasket and steel ring. Make sure tang on vacuum control unit engages in main rack. Install last 3 mounting screws removed.
- Insert punch in lower right-hand screw bore. Check main rack position with mark on punch. When punch touches main rack, press lightly on punch and move control lever on injection pump from "stop" position to "full load" stop. Punch must follow the main rack smoothly. If correct, install remaining screw.