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OPW Installation, Operation, and Maintenance Manual, Page 74 Executive Order VR-102-Q ®Registered T.M. -Owens Corning Fiberglass Corporation ASSEMBLY INSTRUCTIONS Tapemeasure IMPORTANT: Each of the numbered steps in the instal- lation instructions are designed as a CHECK LIST to en- sure proper installation and trouble free operation of the OPW 61 SO Overfill Prevention Valve. Read and follow these steps carefully,checking them off as you proceed. Riser Pipe Figure numbers correspond to step numbers for easy with To Tank ( ) reference. Face Top To seal Adaptor (I.�.) Tank STEP 1: MEASURE Boll om InstalllheOPWFace SealAdaptorandtheOPWThread- on Spill Containeron the Fill Riser(Refertothe Installa- tion Instructions Supplied with the Spill Container). In- sert a tape measure through the riser pipe and hook it under the inside of the tank in the lengthwise direction. EXAMPLE Measure the distance from the top of the Face Seal 1) For an Owens-Corning Model G-3 Fiberglass®Tank Adaptor threads inside the base of the spill container Calibration Chart: bucket just below the drain valve outlet window to the Tank Capacity- 10,000 gal., nominal 9,403 gal. inside,top lip of the storage tank(Dim."A") NOTE: Use actual capacity only (See Figure 1 &1A). 2) 95%of actual tank capacity=0.95 x 9403 gal.= The top flange on the 6180 will rest on the Face Seal 8933 gal. Adaptor just below the drain valve outlet, and be locked 3) The closest numberwhich is less than 8933 gal.Is in place between the Face Seal Adaptor and the 4" 8910 gal.Choosing the closest number less than nipple that is installed in the spill container with the 95%of actual capacity ensures that the initial Jack Screw Kit(See Figure 11A). (For riser pipe configu- shutoff will occur when the tank is no more than rations other than that shown, consult installation 95%full, drawings or use other necessary means to measure Di- 4) The calibration chart reading of 8910 gal.corre- mension"A"). sponds to a dipstick measurement of 82". Using a tape measure,measure the distance from the top 5) Dipstick number(X)=82" of the Face Seal Adaptor in the spill container to the Tank diameter(Y)=92" bottom of the tank(Dim. "B"). (Y)-(X)=(Z) (92"-2"=10") IMPORTANT:Inspect the riser pipe for any foreign ma- (Z)=10" terial. Over spray from tank relining or any internal burrs 6) (Z)-2"=C (10"-2"= 8") inside of pipe must be removed prior to installation. C=8" Failure to have an unobstructed riser pipe may prevent 7) Is 8"less than 6-112"? proper installation and operation of the valve.The 61 SO is designed for installation into schedule 40 riser pipes. The 61 SO cannot be installed into schedule 80 riser NO Measure the distance from the top of the FSA- pipes. 400 Face Seal Adaptor installed on the riser pipe STEP 2: MARKTHETUBE to the inside,top lip of the storage tank and Use the result from Step 1 and HOW TO LOCATE THE obtain measurement(A). POSITION OFTHE 61 SO AT 95%TANK CAPACITYto Upper tube length=C+(A) mark the upper tube. Measure the distance from the point where the upper tube and valve body meet. For "C"measurements greater than 6- 112"use tape measure to mark the calculated upper tube length onto the upper tube.