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IMPORTANT** Remove all chips and shavings gener- the tube. DO Tapeeasure ----- � ... tr ' t , ated in steps 3 thru 5 out of the cut du of th u valve NOT remove chips and shavings by body. l Mark upperTube STEP 4; FILE THE UPPER DROP TUBE ,,, !,�'- (Cut Line) e, and remove any burrs or 1,. File the upper tube squar • Seam rough edges. Make sure the cut is flat and square . Figure 2 IMPORTANT: Carefully flue a good chamfer on the be inside ed f the dropnlet u installed in Step g-in for the I provid STEP 3% CUT THE UPPER DROP TUBE polypak seat andclamp to the upper tube just Attach the supplied band 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, clamp on 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 as the sawing progressses�iiiminimize he band clamp run out and sure a square 90-deg after tube Is cut. CAUTI - DO NOT use a pipe or tubing cutter to cat Fine half round file OPOOPPOP 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 sandpaepers. aftedr/or steel wool to remove the inside o burrs fhe tubsharp edwith a clean VIVOr sanding wipe d �• ` rag from the top to approximately 4 inches dawn to remove any debris& f chamfer, sand, and i _ tion: Failure to properly - clean the drop tube may cut the seal and result In a .t failure of a pressure decay leak test. i Figure 3A iPON � ; /InaBand CiamP -r � e� gtft 9andpeoer Figure S Cut line f Figure 38