COMPLIANCE INFO_2016 - 2018 - Laserfiche WebLink

Home Browse Search

OPW Installation, Operation, and Maintenance Manual, Page 52 Executive Order VR-102-I STEP 3: CUT THE UPPER DROP TUBE Attach the supplied band clamp to the upper tube STEP 4: FILE THE UPPER DROP TUBE just below the mark and ensure that it is assembled File the upper tube square,and remove any burrs or square to the tube. The clamp can be used as a rough edges. Make sure the cut is flat and square. guide for making a square cut. If a vise is used, clamp on the valve body casting only to avoid IMPORTANT:Carefully file a good chamfer on the damage to the float and tubes(See Figure 3A). inside edge of the drop tube to provide a lead-in for Carefully saw through the tube squarely,at the mark the polypak seal and inlet tube installed in step 8. 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 ensure a square 90-degree cut. Remove the band clamp after tube is cut. i CAUTION-DO NOT use a pipe or tubing cutter to / cut the upper drop tube, this may damage the tube, causing it to be out of round thereby prohibiting assembly of the unit. IMPORTANT:Remove all chips and shavings generated in steps 3 through 5 out of the cut end of T the tube. DO NOT remove chips and shavings by Fine half round file dumping through valve body. v' Figure 4 STEP 5: 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 rag from the top to approximately 4 inches down to remove any debris Caution: 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 / /f Ix Fine grit sandpaper Figure 5 Cut Line Figure 3B OPW 71 SO Overfill Prevention Valve Page 6