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r i OPW Installation , Operation , and Maintenance Manual , Page 73 Executive Order VR- 1024 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 t' fitting . ( Shut- off points can be adjusted to any capacity to Overfilled Tank : Failure of the hose to drain after clos- comply with AHJ Requirements ) Ci 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 in the tank has been lowered to allow the hose to drain 61 SO valve body determine the shut-off point , Follow- into the tank . ing the standard instructions for the OPW 61SO 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 i In the event you are splashed with fuel remove wet length of the riser pipe . All length measurements are in �i r� clothing immediately . Skin contact with gasoline inches . ,; can cause chemical burns and may result in x Inhalation of vapors that maybe fatal . Nevergo INSTRUCTIONS C° 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 x 2 ) Calculate 95 % of capacity Determine if the underground storage tank is equipped 3 Locate the 95 % volume number on the tank calibra- with aball float vent valve , as illustrated in Figure 16 . in ) I all systems , the shut-offpointof the 61 SOmustbe tion chart . : reached before the ball float reduces flow to ensure 4 ) Find the dipstick number ( X) which corresponds to 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 . 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) : 4 , Tape measure 6) Subtract 2" from (Z) to find the upper tube depth f' 5 . Hacksaworcut-offsaw , finetooth : 24teethlinch (C ) , €_ 6 . Fine half round file (Z) - 211 = C 7 . Screwdriver - Phillips blade 7 ) Is C less than 6. 1 /2 " ? I; & 1 /2 " Wrench or socket (I j 9 . Two- part sealant ( Supplied ) NO Upper tube length is C plus the distance from ,z 10 . Torque Wrench the top of the Face Seal Adaptor installed on the WARNING riser pipe to the inside , top lip of the storage tank (A) . Using electrically operated equipment near gasoline or gasoline vapors may result in fire or explosion , Upper Tube Length = C + (A) r causing personal injury and property damage . Check toassuretheworking area isfreefromsuch 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- 1 /2 " + (A) equipment ( including model numbers ) that is not certk fied 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 CARB 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 .