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Figure 18 <br />STEP 18: LOWER TUBE ASSEMBLY <br />if a vise is wed, clamp on the valve body tasting only I o <br />avoid damage to the float and tubes. Thread the lowei <br />tube onto the valve body until the lover tube bottoms <br />out on valve body. Tube can be tightened by hand or <br />with a strap wrench. R a strap wrench is used try to po- <br />sition it on the threaded insert portion of the lower tube <br />to prevent damaging the tube. <br />NOTE: Beare installing the vehm In the tank, a prea- <br />sure test Can be performed on the VAN. to check kw <br />vapor tightness. Seal off both ends of the tuba with <br />inflatable plumber's plugs. Apply • maximum to, <br />w.c.(113 PSI) air pressure. ff pressure dam not hold <br />and a leak can bo located with soap solution, do not <br />install the valve. Send the valve bads to OM for <br />warranty evaluation. <br />CAL/TiON: Da net over-pressurise. Excess pressure <br />aln damage the valve. <br />STEP 19: CUT LOWER TUBE <br />Measuring from the underside of the net tube Range, <br />mark the overall length of the drop tube a distancv of <br />til) minus 6'. Determine dimension IV from the meas- <br />urements taken in Step 1, Figure 1 (fop of the Face Seal <br />Adapter below the chain valve outlet In the spill con- <br />tainer to the bottom of the tank). Saw off the excess <br />tube at a 4S-clegree angle or per local codes or require- <br />ments and file off any sharp burrs (Refer to Figure 24)_ <br />Optional: Install the OPW Tank Bottom Protector <br />on 6*kb-ivies tube 4etc Mstatlatiorb instructions sup- <br />plied with the Tank Bottom Protector). <br />imPORTANT: Remove all chips and shavings out of <br />the oxt end of the tube. DO NOT remove chips and <br />shavings by dumping thru valve body. <br />FOR STANDARD VAPOR TIGHT MODELS, PROCEED <br />TO STEP 20 Old PAGE 14. <br />FOR TESTABLE MODELS, PROCEED TO PAGE 13, <br />i 2