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Tape oweaSwe <br />Mark tippet Tube <br />Kur (ine) <br />Seam <br />Figure 2 <br />STIP 3: CUT ME UPPER DROP TUBE <br />Attach the supplied band clamp to the upper tube just <br />below the mark and ensure that It is assembfed square <br />to the tube, The damp can be used as a guide for mak- <br />ing a Square cut. if a vise is used, clamp on the valve <br />body casting only to avoid damage to the float and <br />tubes tSee Figure 3A), Carefully saw through the tube <br />squarely, at the mark made In Step 2. Use a hacksaw <br />with a new fine-tooth blade_ FioUrting the upper tube <br />as the sawing progresses will minimize run out and en- <br />sure a square 90-degree wt. liernove the band damp <br />it tube is cut <br />- DO NOT use a pipe or tubing cutter to cut <br />the upper drop tube, this may damage the tuba, <br />causing it to be out of rnund thereby prohibiting <br />assembly of the unit. <br />Figufe IA <br />(MPOIRTANT: Remove all chips and shavings gerier- <br />ated in steps 3 thru 5 out of the cut end of the tube_ DO <br />NOT remova chips and shavings by dumping thru valve <br />body. <br />STEP 4: FILE THE UPPER DROP TUBE <br />FAe the upper tube square, and remove any burrs or <br />rough edges. Make sure the cut Is flat and square. <br />IMPORTANT; Carefully file a good chamfer or the <br />inside edge of the drop tube to P(OVIde 3 lead-in for the <br />poiyoak seas and inlet tube (rtstalled in Step 13. <br />Figure 4 <br />STEP 5: SAND THE UPPER DROP TUBE <br />Sand the Inside of the drop tube with sandpaper and/or <br />steel wool to remove all burrs and sharp edges. After <br />sanding wipe down the inskie of the tube with a clean <br />rag from the top to approximately 4 inches down to <br />remove any debris, <br />gatingtm Failure to properly chamfer, send, and <br />dean the drop tube may cut the seal and result in 3 <br />failure of a pressure decay leak test. <br />Figure 5 <br />Figure IS