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Installing the System Disabling the Functional Element <br /> �- 3. Carefully reassemble the functional element using a new gasket suitable for the <br /> fuel involved.Be sure that all gasketed surfaces are free from debris when <br /> reinstalling. <br /> . Tokheim Pumps (Models 585-13, 585-34, and 585-150) <br /> The PLLD In-Line Check Valve and SwiftCheck Valve eliminate the need for the <br /> pump's functional element relief valve.You must modify it as part of the PLLD system <br /> installation on Tokheim pumps. <br /> 1. Remove the two bolts which secure the functional element assembly to the pump <br /> [Figure 13 on page 30]. <br /> 2. Slowly remove the functional element housing from the pump,taking care not to <br /> lose the check valve and spring located underneath the functional element. <br /> 3. Remove the Pressure Relief Valve from the functional element housing and <br /> discard.Clean any remaining sealant from the valve threads and surrounding area. <br /> A WARNING <br /> Failure to properly reseal the functional element may result in product <br /> leakage, which could create serious environmental and safety <br /> hazards. <br /> Fire, explosion, or ground contamination could occur. <br /> Carefully reassemble and reseal the functional element, following the <br /> procedures described in this manual. <br /> 4. Carefully reinstall the functional element onto the pump using a new gasket <br /> suitable for the fuel involved. Ensure the check valve and spring are installed <br /> correctly and all gasketed surfaces are free from debris when reinstalling.Tighten <br /> the retaining bolts securely. <br /> 576013-902,Revision G 29 <br />