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Tape measure �.� } IMPORTANT:Remove all chips and shavings gener- ated in steps 3 thru 5 out of the cut end of the tube_ 1>0 NOT remove chips and shavings by dumping thru valve — body. Mark Upper Tube " (Cut Line) STEP 4: FILE THE UPPER DROP TUBE .•�`' '� File the upper tube square,and remove any burrs or Seam Figure 2 rough edges. Make sure the cut is flat and square. IMPORTANT:Carefully fiIea good chamfer on the STEP 3: CUT THE UPPER DROP TUBE inside edge of the drop tube to provide a lead-in for the polypak seal and inlet tube installed in Step 8. Attach the supplied band clamp to the upper tube just below the mark and ensure that it is assembled square to the tube. The clamp can be used as a guide for mak- ing a square cut. If a vise is used,clampon the valve body casting only to avoid damage to the float and tubes(See Figure 3A). Carefully saw through the tube squarely,at the mark made in Step 2. Use a hacksaw with a new fine-tooth blade. Rotating the upper tube as the sawing progresses will minimize run out and en- sure a square 90-degree cut. Remove the band clamp after tube is cut. CAUTION-DO NUT use a pipe or tubing cutter to cut Fine half round iiie the upper drop tube,this may damage the tube, causing it to be out of round thereby prohibiting assembly of the unit. Figure 4 STEP S. SAND THE UPPER DROP TUBE Sand the inside of the drop tube with sandpaper and/or steel wool to remove all burrs and sharp edges. After sanding wipe down the inside of the tube with a clean l rag from the top to approximately 4 inches down to remove any debris. a. �` .�..i Cogtion: Failure to properly chamfer,sand,and �... clean the drop tube may cut the seal and result in a failure of a pressure decay leak test. Figure 3A ; Band Clamp 11 Fine Gr[t sandpaper Cut Line Figure 5 Figure 38 6