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0 -a PEI /RP1200 - 12 a arum devices must automatically restrict flow or alert 7 . 1. 6 Inspection Procedure . 3 the transfer operator when tine tank is no snore. than 1. Remove line drop tube from the tank , i 90 percent full . " this approach reflects the more eonserva - - -" five application of the rules , 2 . Visually itnspcct. Ilse automatic shutoff valve and float mechanism for any damage and remove a 7 . 1 Automatic Shutoff Devices . any debris or foreign objects . ° _ 7 . 1 . 1 General , Automatic shutoff devices , 3 . Manually move. the. float mechanisms to ensure. it 3 3 sometimes called flappers or flapper valves , are moves freely. m an integral pari of the drop tube assembly installed4 , With Utefloat mechanism in ale shutoff (closed ) -- within the tank fill riser. They aree designed to position , visually inspect the drop tube and initially restrict and subsequently completely shut verify that the. shutoff valve is released and will o off flow when product has reached predetermined move into the product flow path , a levels during, a delivery. Automatic shutoff valves w need to be properly positioned and operate freely to S. If possible , verify that the bypass valve in the control flow and prevent tank overfills . drop tube is open and free of blockage . 7 . 1 . 2 Purpose . The purpose of this inspection 66 if problems with the shutoff valve are found and is to verify the automatic shutoff' valve is installed defective components need repair or replace - properly, operates as designed and is set to com trent, notify the appropriate person . 0 pletely shut off flow when the tank is no more than 7 . Using the automatic shutoff device manufac - 95 percent full . turer ' s suggested procedure , e.xannine the drop z tube and shutoff valve to determine if product 7 . 1. 3 Description of Inspection . After a pre flow will be completely shut off at 95 percent of limmary inspection of the automatic shutoff instal- tank capacity. Make any adjustments necessary lation, the drop tube is removed from the tank . The to ensure that flow will be completely shut offOL o automatic shutoff is checked for proper operation, when the tank is no more than 95 percent full . o raid its placement is treasured to verify that it is properly located to completely shut off flow when 0 the tank is no more than 95 percent full . rg§ ; tIs 4t � tie4 0 7 . 1 . 4 Preparation . Refer to (lie tank manufac - turer 's calibration chart for the capacity in gal - MO � ,rerlf,Virifdu. ` Y lops , the diameter and the volume of product with respect to product level . Pr PL If the automatic shutoff device has a float that o extends from the drop tube in the shutoff (closed ) position , verify the proper orientation of the. fiat = mechanism . The float mechanism should be orient- a ed away from any obstructions ( ball float, submers - ible turbine pump ( STP) , tank wall , tank gauge. 3 probe., etc . ) If the ntovetlient of [lie float mecha - a nism is restricted , it will not function as designed. Use this procedure in conjunction with the mamu - FIGURE 7-1 . Check the drop tube and flapper for dam - CD age. Make sure that the flapper moves freely and shuts CO facturer 's installation and niainteriance instructions , off flow when extended. 66 7 , 1 . 5 Inspection Equipment. ' lest equipment shall include : S . After inspection of the automatic shutoff device , • tcxsls for removal of the drop tube ; reinstall the drop tube . tape measure ; 7 . 1. 7 Pass/ Fail Criteria . If Ute automatic shut - olf device functions as designed and complete tools for inspection of the automatic shutoff, shutoff of product flow is able to occur when the 0 0 3 peLorg