Figure 5.

Pressure and vacuum system. To maintain the necessary vacuum and pressure for the sample ball wash system, 1 AC vacuum pump (shown in blue) and 1 DC air compressor (shown in red) are installed in a vented sound attenuation box and connected to multiple machines. The vacuum pump draws air from each machine’s vacuum tank to individually maintain enough vacuum for each wash. The air compressor maintains ~30 psi in a pressure tank reservoir with a water trap to collect condensation. A pressure switch turns the air compressor on and off as the tank needs to be refilled with use by the connected machines. Gauges for both pressure and vacuum are also installed for the users.