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2. To determine lower tube distance from tank <br /> bottom to bottom of cut: <br /> Subtract valve length(W)from distance to tank <br /> bottom(8) <br /> M_(18)-(►N)= <br /> Cast lug <br /> Note: bower tube clearance must meet tank mane- in 7150 <br /> facturer requirements and all AHJ,local,state,and na- body <br /> tional codes. Typical clearance is about 4'. If lower Float direction <br /> tube clearance is not met valve must be removed and <br /> adjusted to meet these requirements. <br /> 3. To determine lower tube distance from tank <br /> bottom to top of cut <br /> Subtract valve length (U)from distance to tank <br /> bottom (8) <br /> (T)=(8)-M <br /> View into drop tube from above <br /> Note: Lower tube distance from tank bottom to top <br /> of cut must meet all AHJ,local,state,and national <br /> codes. For reference per 40 CFR 63 subpart CCCCCC I <br /> NESHAP the lower tube can be no more than 6u from <br /> the bottom of the tank, If lower tube distance is not <br /> met valve must be removed and adjusted to meet these <br /> requirements. <br /> 4. To determine float alignment: <br /> Looking into upper tube(see figure)the float should be <br /> aligned along the length of the tank. If float is not <br /> aligned properly adjustments need to be made. <br /> 21 <br />