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B - JOINING 1'HE BASE TO TANK COLLAR <br /> B.1 - Fit the clean Tank Sump BASE on the tank collar and ensure it is sitting squarely in place <br /> (Fig. B.1.1 - B.1.2). Ensure walls are fully abraded down to the glass fibers. <br /> Fig. B.1.1 <br /> B.2 - Ensure Tank Sump BASE is centered, plumb and stationary prior to and during the applica- <br /> tion of masking tape and paste. Alignment is critical. <br /> B.3 - You must remove the Schrader Cap from the Gauge assembly and screw on the <br /> SVA-BARB (Schrader Valve Adapter w/Barb) (see below) on all DoubleWall products that will be <br /> fiberglassed. <br /> While Fiberglassing, curing, or sitting overnight, keep the SVA- <br /> 0 0 BARB in place. This will relieve stress on the Interstice while the <br /> sumps are heating up or cooling off. <br /> SAVE THESE PIECES, DO NOT LOSE THEM! Remove the SVA-BARB when ready to test. <br /> t r �� <br /> Gauge CAP SVA-BARB <br /> Assembly <br /> BA Apply provided masking tape to the joint edge overlapping the ends securely. Tape the inside <br /> and outside joint of the transition. Use extra if necessary. (Fig. B.4) <br /> Fig B 4 4A, <br /> B.5 - Get your Paste Kit and tools together. Ensure surfaces inside <br /> and outside of the joint and surrounding walls are clean of debris and <br /> COMPLETELY DRY! <br /> 7 i i-B401-D W-SP-10A <br />