To replace the pinch valve tubing, do the following:
1. Shut down the machine.
2. Loosen the thumbscrew, and then remove the vacuum unit.
3. Pull the pinch valve tubing out of the vacuum unit with needle nose pliers. Discard the pinch
valve tubing.
4. Remove the carbide liner from the vacuum unit, and then inspect it. If it is worn or damaged,
discard it.
5. Pull the two o-rings out of the vacuum unit. If they are worn or damaged, discard them.
6. Apply a thin, even layer of WHITE FOOD GRADE GREASE to the two O-rings, and then install
them into the inside grooves of the vacuum unit.
7. Insert the carbide liner—short end first—into the latex tubing, and then slide the assembly onto
the installation tool.
8. When the tubing is flush with the end of the tool, cut the tubing with sharp shears.
9. Apply a thin, even layer of WHITE FOOD GRADE GREASE on the edge of the tubing that
goes into the vacuum unit first, and then install the assembly into the vacuum unit.
10. Install the vacuum unit, and then tighten the thumbscrew.
© 2021 Flow International Corp.
Retrieved from Flow KB on April 14, 2021 PST
Ancillary option: UltraPierce Vacuum Assist
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