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0 0 <br /> Primary Piping System Installation <br /> After the final nipple length is determined,cut the other <br /> end of the nipple and taper it,making sure that the nipple <br /> is on the tapering tool in exactly the same position as the <br /> first taper,which was used to measure the insertion <br /> length. <br /> d. If solvent is used to clean bonding surfaces,allow the <br /> cleaner to evaporate. Then apply adhesive to all bonding <br /> surfaces and insert the nipple into the line by lifting the <br /> line or moving it to one side. Pushing the pipe back into <br /> the line will push the nipple into the bell-Make certain that <br /> all tapers are tightly locked. <br /> C. Leaking Joints <br /> Any adhesive-bonded joints that leak during pressure test- <br /> ing MUST BE REMOVED AND REPLACED. Follow the pre- <br /> vious procedures using two sleeve couplings and pipe nipple_ <br /> Uponcompleting any necessary repairs to the piping sys- <br /> tem,follow the proper testing sequence to verify the system's <br /> integrity. <br /> RED THREAD IIA Pipe & Fittings al. 46 <br />