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IU HOW TO LOCATE THE POSITION OF THE 71 SO AT 95%TANK CAPACITY Measu ' g Stick The length of the upper be and the placement of the 71 SO valve body dete ine the shut-off point. Following the standard instr tions for the OPW 71 SO will provide for initial sh off at 95%. In all cases, the upper tube length m t be a minimum of ' 6-112" plus the length of the riser ipe. All length measurements are in inches. Riser Pipe INSTRUCTIONS with Face (A) Seal Adaptor To"tank Top (I.D.) (B) 1.)Find tank capacity(in gallons)from to To Tank calibration chart provided by tank manu cturer. Bottom !o,?,"5-7 2.)Calculate 95% of capacity. 9,7 W.od 6-112" 3.)Locate the 95% volume numb r on the tank calibration chart. 106 . ��' 4.) Find the dipstick number(X)which corresponds -Figure 1 to the 95% tank volume. And, find the dipstick number(Y)which corresponds�tg the 100%volume. EXAMPLE �V(-b �'.�/f 9— /d 1.)For an Owens-Corning Model G-3 Fiberglass® Tank Calibration Chart: 5.)Subtract the dipstick number(X)from the tank \Tank Capacity- 10,000 gal., nominal 9,403 gal. diameter(Y)to find the upper tubereference `NOTE: Use actual capacity only number(Z). 2 (Y)-(X)= (Z) 3 y 2.)95%of actual tank capacity= 0.95 x 6.) Subtract 2"from(Z) to find the upper to a depth 940 gal. = 8933 gal. (C)• 3.)The closest number which is less than 8933 gal. (Z) -2'— C 7 Is 8910 gal.Choosing the closest number less than 95%of actual capacity ensures that the 7.)Is C less than 6-112"? P10 initial shutoff will occur when the tank is no more than 95% full. NO Upper tube length is C pi the distance from the top of the Face eal Adaptor 4.)The calibration chart reading of 8910 gal. installed on the riser p' a to the inside, top corresponds to adipstick measurement of 82". lip of the storage (A). Upper Tube Len t =C + A 5.) Dipstick numbed(X)=82" U pp g ( ) Tank diameter(V') =92" (Y) -(X) =(Z) (92"-82" = 10") YES Upper tube len h is 6-112"plus the riser (Z)= 10" pipe measure ent(A). 1 7.) (z)-2"_C \ftrom 8") Upper Tub ength= 6-112"+ (A) C _ 811 �/ NOTE: You st find the actual tank capacity 7,) Is 8"less than 6-1/2"? number that orrelates to the 6-112" +(A) depth for the stat n records. This number may also NO Measure the distantop of the be used f the purposes of calibrating an FSA-400 Face Seat Adaptor installed on the electron c tank level system. riser pipe to the inside, top lip of the storage tank and obtain measurement(A). ®Registered T.M.-Owens Coming F.bergtass Corporation Upper tube length = C + (A) 64