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Procedure for instaIIingsecondary pipe. Cut a hole of the same alternately until secure and <br /> containment saddles: size as the outlet of the saddle adhesive squeezes out all the <br /> using a pilot drill and a fine- way around the saddle. This <br /> Refer to Figure 2.6.2. tooth circular hole saw. Do not will ensure that the pipe O.D. <br /> I. Locate saddle on pipe and force the cutter or it will unduly conforms to the I.D.of the sad- <br /> mark around saddle base. fray the edges of the hole. dle. The clamps may be left on <br /> 4. Clean all bonding surfaces with or removed after the bond has <br /> 2. Use a file or rough sandpaper joint cleaner. cured and after the flexible <br /> (40 grit or less) to remove all connector is installed in the <br /> surface gloss from the pipe 5. Apply a heavy coat of adhesive outlet. <br /> O.D. where the saddle is to be to the O.D. of the pipe, I.D. of <br /> bonded. Use circular or ran- the saddle,and the edges of the /N Caution: Product pipe may <br /> dom pattern during sanding to pipe wall exposed by the hole. be under pressure if the <br /> eliminate grooves on the pipe testing has been completed. Do <br /> surface. 6. Place the saddle over the hole not attempt to install a saddle on <br /> and clamp with two hose the containment pipe if the pro- <br /> 3. After sanding, locate saddle on clamps. Using a large screw duct piping system has been <br /> pipe and mark hole to be cut in driver, hand tighten the clamps installed and tested. <br /> 1 <br /> Q' <br /> T <br /> t r <br /> i <br /> Figure 2.6.2 <br /> 30 <br />