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Appendix B <br /> PP 2.To determine lower tube distance from tank 4.To determine float alignment: <br /> bottom to bottom of cut: <br /> 71 SO Overfill Valve In Tank Shut Off Level Looking into upper tube(see figure <br /> Worksheet _ Subtract valve length(W)from distance to tank be aligned along the length of the t <br /> ro <br /> Important:This Is meant to be a supplemental � (V)_(B)_(W)=bottom(B) not aligned properly adjustments m <br /> worksheet and not a substitute to following the f <br /> Installation manual Instructions.All length Note: Lower tube clearance must meet tank <br /> q <br /> measurements are In Inches.Please contact the manufacturer requirements s and all AHJ,local, <br /> Authority Having Jurisdiction(AHJ)and review <br /> local,state,and national codes to determine the state,and national codes. Typical clearance is <br /> regulatory requirements governing shut-off about 4-. If lower tube clearance is not met valve <br /> capacity in your region,as well as take Into must be removed and adjusted to meet these <br /> account other considerations such as extreme T requirements. <br /> tank tilt. (D) Cast lug <br /> Upper /in 71 SO <br /> With valve installed in the tank take the following Tube / body <br /> measurements: Length 3.To determine lower tube distance from tank <br /> Distance from the 71SO inlet tube flange to the cast bottom to top of cut: <br /> lug in the 71 SO body(see figures),upper tube Subtract valve length(U)from distance to tank <br /> length.Note:the Upper Tube Length must be at IW) <br /> least 16" i elude th protective bend in the tube. v� bottom(B) <br /> O Length, (T)_(B)-(U)_ <br /> (D)- Wr bottom of <br /> cut Note: Lower tube distance from tank bottom to t <br /> Distance from a 71S0 inlet lube Mange to the top op <br /> an Forrer'�Ube„Yalve71h. (B) of cut must meet all AHJ,local,state,and national <br /> To Tank codes. For reference per 40 CFR 63 subpart <br /> (U)- Bottom CCCCCC I NESHAP the lower lube can be more <br /> ( M than 6'from the bottom of the lank. If lower tube View into drop tube from above <br /> Distance from!!h O inlet tube flange to the Tank distance is not met valve must be removed and <br /> bottom- i ahET nk. Note:If a tank bottom protector ( Chart <br /> p Length, <br /> ength,Valve 100% adjusted to meet these requirements. <br /> is present it may be necessary to add this thickness vill top of Volume <br /> to dim lsion( P 6111&61TP mod Is add 0.6') IN cut Dipstick <br /> (B 10 .(�3 . 3��. � Number <br /> From the tank calibra ion chart provide by tank <br /> manufacturer find the dipstick number(Y)which <br /> corresporlds to the 100%volume. <br /> (Y)= l LO .O <br /> 1.To determine shutoff percentage: Y <br /> Subtract upper tube length(D)from distance to <br /> tank bottom(B) <br /> (X)=(B)-(D)-2.,_�� 1. O to <br /> Using the tank calibration chart provided by the Note: The overfill valve must be installed per AHJ <br /> lank manufacturer determine the tank capacity at requirements and all applicable local,state,and <br /> the calculated(X)dimension and the 100%volume national codes. If overfill valve is set above the ,g5 <br /> (Y)tank capacity. ^ allowable shut-off percentage the overfill valve <br /> (0 3 ` must be removed and replaced. For reference 40 ,g <br /> (X)tank capacity gallons= \!� CFR part 280 Subpart B Section 280.20 overfill <br /> valves should be set to a maximum of 95%. VED <br /> (Y)tank capacity in gallons= (; /� <br /> SOY.=(X)capacity/(Y)capacity x 100= ��� O L' 020 <br /> 1 ENV!)g0 <br /> OEPAR-rMENTEA�T H <br />