Vilter VSS Slide Valve Assembly 

Doing the job safely and right is very important. Jim Dick will take you through how to properly assemble the Parallex Slide Valves in a Vilter VSS Single Screw Compressor.
VSS/VSR/VSM Single Screw Compressor Operation and Service Manual - climate.emerso...
For more information on Vilter products check out their website - climate.emerso...