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t r"tt l t . OPW Installation , Operation , and Maintenance Manual , Page 74 Executive Order VR- 102-0 ®Registered T. M. Owens Corning Fiberglass Corporation ASSEMBLY INSTRUCTIONS Tape measure IMPORTANT : Each of the numbered steps in the instal - lation instructions are designed as a CHECK LISTto en - sure proper installation and trouble free operation of the OPW 61 SO Overfill Prevention Valve , t Read and follow these steps carefully , checking them off as you proceed . Ej Riser Pipe ( ) Figure numbers correspond to step numbers for easy z with To Tank reference . t Fa ce ( ) � > eaIAda ptor Top To ( I . ) Tank STEP 1 : MEASURE ` Bot om Install the OPW Face Seal Adaptor and the OPWThread - f; on Spill Container on the Fill Riser ( Refer to the Installa- : tion Instructions Supplied with the Spill Container) , In - Al sert a tape measure through the riser pipe and hook it under the inside of the tank in the lengthwise direction . �j EXAMPLE Measure the distance from the top of the Face Seal r 1 ) For an Owens- Corning Model G3 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) a i r; 2 ) 95 % of actual tank capacity = 0 . 95 x 9403 gal . = The top flange on the 61 SO will rest on the Face Seal 8933 gat . Adaptor just below the drain valve outlet , and be locked 3) The closest number which 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 1 95 % of actual capacity ensures that the initial Jack Screw Kit ( See Figure 1A) . ( For riser pipe configu - ii shutoff will occur when the tank is no more than rations other than that shown , consult installation (! t 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 . (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 . Kul C = 8" Failure to have an unobstructed riser pipe may prevent proper installation and operation of the valve . The 61 SO 7 ) Is 8" less than 6- 1121'? 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 . ix 400 Face Seal Adaptor installed on the riser pipe STEP 2 : MARKTHETUBE i to the inside , top lip of the storage tank and obtain measurement (A) . Use the result from Step 1 and HOW TO LOCATE THE POSITION OF THE 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- 1 /2" use tape measure to mark the calculated upper tube length onto the upper tube . i I