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r i ; �1 £i ii f, t OPW Installation , Operation , and Maintenance Manual , Page 73 Executive Order VR- 1024 a signal that the tank is full . Close transport delivery valve HOW TO LOCATE THE POSITION OF THE 61 SO AT and drain hose into tank before disconnecting any hose 95% TANK CAPACITY i fitting . ( Shut-off points can be adjusted to any capacity to t) Overfilled Tank : Failure of the hose to drain after cios- comply with AHJ Requirements ) ing the delivery valve signals an overfilled tank . Do Not `' disconnect any delivery hose fitting until the liquid level The length of the upper tube and the placement of the H 61 SO valve body determine the shut-off point . Follow- in the tank has been lowered to allow the hose to drain r into the tank . ing the standard instructions for the OPW 61 SO will pro- vide for initial shutoff at 95 % . In all cases , the upper WARNING tube length must be a minimum of 6 - 1 /2" plus the In the event you are splashed with fuel remove wet length of the riser pipe . All length measurements are in clothing immediately . Skin contact with gasoline inches . can cause chemical burns and may result inl inhalation of vapors that maybe fatal . Nevergo INSTRUCTIONS inside confined areas after being splashed and 1 ) Find tank capacity ( in gallons ) from tank calibration € never go near ignition sources . chart provided by tank manufacturer . IMPORTANT 2) Calculate 95 % of capacity s Determine if the underground storage tank is equipped with a ball float vent valve , as illustrated in Figure 16 . In 3 ) Locate the 95 % volume number on the tank calibra - all systems , the shut-off pointofthe6lSOmustbe tion chart . reached before the ball float reduces flow to ensure 4 ) Find the dipstick number ( X ) which corresponds to 5 proper overfill valve operation . the 95 % tank volume . And , find the dipstick num - TOOLS NEEDED FOR INSTALLATION AND ASSEM • ber ( Y ) which corresponds to the 100 % volume . 1. BLY : ; 5 ) Subtract the dipstick number ( X) from the tank di- 1 . Drill ameter ( Y) to find the upper tube reference number 2 . A sharp 1 /8' pilot drill bit (Z) . 3 , A sharp 5/ 16 " drill bit ( Y) - ( X ) = (Z) r 4 . Tape measure 6) Subtract 2 " from (Z ) to find the upper tube depth � 5 . Hacksaworcut- off saw , fine tooth ; 24 teeth /inch ( C ) . 6 . Fine half round file ( Z ) - 2 = C 11 7 . Screwdriver - Phillips blade 7 ) Is C less than 6. 1 /2"? 8 . 1 /2 " Wrench or socket 9 . Two-part (Supplied ) ° p ( PP ) NO Upper tube length is C plus the distance from 10 . Torque Wrench the top of the Face Seal Adaptor installed on the i Ii WARNING riser pipe to the inside , top lip of the storage 1; tank (A) . t Using electrically operated equipment near gasoline E or gasoline vapors may result in fire or explosion , Upper Tube Length = C + (A) causing personal injury and property damage , Check to assure the working area is free from such YES Upper tube length is 6 - 1 /2 " plus the riser pipe hazards , and always use proper precautions . measurement (A) . IMPORTANT : The figures in this installation and maintenance instruction may contain vapor recovery Upper Tube Length = 6- 112 " + (A ) equipment ( including model numbers ) that is not cerci - Pied bythe California Air Resources Board ( CARB ) fora NOTE : You must find the actual tank capacity num - ` specific Phase I 'Vapor Recovery System , Pleasereferto ber that correlates to the 6- 1 /2 " + (A) depth for the Exhibit 1 of the appropriate CARE Phase I Executive Or station records . This number may also be used for der for a list of certified Phase I Vapor Recovery System the purposes of calibrating an electronic tank level Equipment . system . f I',