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9255517888 Line 12:45:21 12-17-2012 11 /13 <br /> Installation Field Assembling Vac Sensor/Vac Float modules <br /> -r <br /> STP <br /> 9„ <br /> (228.6mm) <br /> Vac Sensor -- <br /> t <br /> 6.25" <br /> housing IF- <br /> I (158.8mm) <br /> o Tension clamp <br /> 9.625" <br /> (244.5mm) 12" <br /> (304.8mm) Support bracket <br /> Riser <br /> Sump <br /> Front View Side View eceend men eps <br /> Figure 2. Vac Sensor Assembly Dimensions <br /> Field Assembling Vac Sensor/Vac Float modules <br /> If you are field assembling the Vac SensorNac Floats into the Vac Sensor housing continue to Step 1. If you are <br /> installing the pre-assembled 2,3,or 4 Vac Sensor kit go to "Installing Vac Sensor Housing Support Bracket"on <br /> page 8. <br /> 1. Get the Vac Sensor modules and brackets from each of the secondary piping vacuum monitoring kits. If a tank <br /> interstice is being monitored, also get the Vac Sensor module and bracket from that kit. <br /> 2. Get the Vac Sensor housing from the mounting kit and attach each of the Vac Sensors (up to 4) to the top of <br /> the housing using #10 x 3/8" self-tapping screws as shown in Figure 3. Mount the Vac Sensors with the 'STP <br /> Siphon' labeled port facing the front of the housing. <br /> 3. For Vac Sensors requiring Vac Floats, continue to Step 4.For the Vac Sensor monitoring the tank interstice <br /> skip to step. <br /> 4. Get the Vac Floats, support brackets, plastic valves and 410 x 1/2"self-tapping screws from the secondary <br /> piping vacuum monitoring kits. <br /> If you are not monitoring a tank interstice, there is a maximum of two left-hand Vac Sensor/Float mounting po- <br /> sitions and two right-hand Vac Sensor/Float mounting positions in the Vac Sensor Housing (Figure 3). If a tank <br /> interstice is being monitored,then one of the four Vac Sensors will have no Vac Float attached. <br /> 5. Get the plastic valves, barbed elbows,tapered bushings and cord grip nuts from the Vac Float kits. Insert <br /> bushings and screw cord grip nuts into the two ports of the Vac Float. Insert a valve into one port and a <br /> barbed elbow into the other port of each Vac Float.Orient elbow and valves in Vac Floats as shown in Figure 4 <br /> then tighten nuts to secure the fittings. <br /> 5 <br /> Received Time Dec. 17, 2012 11 : 37AM No. 1880 <br />