b'LT ENGINEERINGCATALOG MAINTENANCEAt the time maintenance is needed, the general steps for the process is:1.Remove solids from bottom of separator as required.2. With water level in the separator at outlet invert,push the cable downwards, the float will go down.3. Release the cable. The float should rise up to the original position. If this procedure was successful the valveis working properly. 4. This procedure should be performed at least yearly.SIZINGThe Oil Stop Valve sizing will depend directly on piping size and on flow rate. See below Table: Wastewater SystemsOSV Sizes AvailableOSV MODEL PIPING SIZEFLOW RATE (INCHES) (GPM)OSV-1 4 150OSV-2 6 350OSV-3 8 600Note: Special case-by-case models are available for configurations of piping and flow rateINFO@PARKUSA.COM|888-611-7275|WWW.PARKUSA.COM 343'