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PREVENTATIVE MAINTENANCE Annually, inspect the flapper in the 71 SO to see that it is open by looking down the drop tube opening. Test the 71 SO drop tube seals with CARB procedure TP-201.1 D. If the drop tube seal passes testing, no further maintenance is required. If the drop tube fails testing, replace the drop tube seal with OPW P/N: H11931 M for 4" Tubes. Re-test the 71 SO drop tube with CARB procedure TP-201.1D. The lower tube o-ring seal OPW P/N: H14840M can also be replaced. If this does not correct the leak the 71 SO needs to be replaced. CAUTION: Do not insert any foreign object into drop tube if flapper is in the closed position. For example a tank level measuring stick. This will damage the valve and void the Warranty. ALWAYS check flapper location before "sticking" the tank. If flapper is in the closed position the tank is either over filled and you need to wait until the liquid level goes down or the 71 SO is damaged and needs to be replaced. 71 SO Performance Specifications: This Overfill Prevention Valve has been manufactured and tested to, and met, the following California specifications. Performance Requirement: Leak rate to be less than or equal to 0.17 CFH @ 2.0"W.C. Torque Specification: Taptite Screws, #10-24 thread cutting, 20 in-lbs minimum to 35 in-lbs maximum. Important: Leave these installation instructions and maintenance procedures with the station operator. Notice: OPW products must be used in compliance with applicable federal, state, and local laws and regulations. Product selection should be based on physical specifications and limitations and compatibility with the environment and material to be handled. All illustrations and specifications in this literature are based on the latest production information available at the time of publication. Prices, materials, and specification are subject to change at any time, and models may be discontinued at any time, in either case,without notice or obligation. Standard Product Warranty OPW warrants that products sold by it are free from defects in materials and workmanship for a period of one year from the date of manufacture by OPW(ECO products two years from date of manufacture.) Proof of purchase may be required. As the exclusive remedy under this limited warranty, OPW, will at its sole discretion, repair, replace, or issue credit for future orders for any product that may prove defective within the one year date of manufacture period (repairs, replacements, or credits may be subject to prorated warranty for remainder of the original warranty period, complete proper warranty claim documentation required.) This warranty shall not apply to any product that has been altered in any way,which has been repaired by any party other than a service representative authorized by OPW, or when failure is due to misuse, or improper installation or maintenance. OPW shall have no liability whatsoever for special, incidental or consequential damages to any party, and shall have no liability for the cost of labor,freight, excavation, clean up, downtime, removal, reinstallation, loss of profit, or any other cost or charges. For any product certified to California 2001 standards, OPW warrants that product sold by it are free from defects in material and workmanship for a period of one year from date of manufacture or one year from date of registration of installation not to exceed 15 months from date of manufacture by OPW. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,AND SPECIFICALLY THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THERE ARE NO WARRANTIES, WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF. F31 o � A DOVER COMPANY P.O. Box 405003 * Cincinnati, Ohio 45240-5002 1-800-422-2525 Domestically 513-870-3315 Internationally www.opw-fc.com Copyright, 2007 - OPW Fueling Components Inc., Cincinnati, OH Printed in U.S.A. p/n H15524PA— Rev. F 9/07 OPW 71 SO Overfill Prevention Valve Page 14