6Figure 5. Digital MDM® Mixer Head Installation11. With the (4) screws, secure the mixer head, thebezel, and mounting shelf to the cabinet surface.See Figures 4 and 5.12. Tighten the (4) screws and snap the screw capsover the screw heads.1.5 Bag Tee and Scavenging Control ValveInstallationIf a scavenging control valve is to be installed, it isinstalled next to the bag tee. See Figure 6. The bagtee/scavenging control valve is supplied assembled tothe appropriate mounting hardware.CAUTIONDuring daily operation, the bag tee/scavengingcontrol valve mount is occasionally stressed, forexample, when the breathing bag is removed orinstalled. The attachment to the cabinet surfacemust be sufficiently rigid to withstand the stress.The bag tee/scavenging control valve assemblymay be installed on plywood attached to studs oron a wood cabinet surface. It must not be installedonto plaster board or other soft wall materials.All hoses and gas connections must be accessibleafter the installation is complete.Figure 6. Flush Mounting the Bag Tee andScavenging Control Valve.1.5.1 Flush Mounting the Bag Tee/ScavengingControl Valve For flush mounting, the bagtee/scavenging control valve is suppliedassembled to a mounting plate; see Figure 6.1. Position the bag tee/scavenging control valvetemplate at the desired location on the cabinetsurface.2. Mark the (4) mounting holes and the (2) holes forthe gas hoses.3. Using a #20 drill, drill (4) 0.161” mounting holes.