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and placing it inside the longer than the width of the other dry container. Mix assembled joint (See Figure heating collar to aid in removal. only one kit at a time. 1.6.20). 4. Curing with Smith Heat Packs c. Use a metal bucket for dis- Use the paper towels provided (chemical heat packs) posal. DO NOT USE A in the adhesive kit to remove PLASTIC CONTAINER; excess adhesive from the end Chemical heat packs which during disposal, enough of the spigot (inside the joint). cure joints in approximately heat to melt plastics could Remove most of the adhesive one hour are also available(See be generated. from the inside of the pipe and Figure 1.6.22).Complete instruc- remove all adhesive from the tions for these heat packs are d. After the dry chemicals are face of the flange by wiping included with each kit(Bulletin thoroughly mixed, pour the with dry paper towels. Use No. D4500). Observe all safety dry chemicals into the metal paper towels wetted with precautions listed on the instruc- bucket; then add one pint cleaner in the adhesive kit to tion sheets which accompany (one-half liter)of cold water. complete the clean up. Use the heat packs. Note: Do not e. Let the kit react until it only enough cleaner to wet out use chemical heat packs to neutralizes and the heat the paper towels, and never cure saddles. dissipates. The mixture will pour the cleaner into the joint. The overall effectiveness of look like plaster. Be sure the To hold the heating collar in chemical heat packs depends kit is thoroughly mixed with place, make a "flange clamp" on ambient temperature. the water and there are no by cutting a section of the same When ambient temperature falls lumps.If there are lumps,stir size pipe and then removing a below 32° F (0° C) (either air the mixture to dissolve them 90 degree section of the wall. temperature or wind chill), before mixing the next kit. Also, adding slits (axial cuts) in Smith Fiberglass Products f. Then, mix the next kit using this clamp will make it more recommends that an insulation the same procedure. flexible. The heating collar can blanket be used to sustain be wrapped around the flange proper curing temperatures. NOTE: After the solution clamp with the heating surface Insulation is available from is neutralized, it is non- facing outward.The clamp can Smith Fiberglass Products. hazardous and may be then be inserted to cover the disposed of. bonded joint(See Figure 1.6.21). To dispose of expired or dam- (Note: If it is difficult to com- aged chemical heat packs, fol- press the flange clamp, use low this procedure carefully: hose clamps to hold the flange a. Wear eye protection and clamp during insertion.) DO gloves. NOT INSERT the clamp/collar more than halfway into the b. In a well-ventilated area, joint or it will be difficult to thoroughly mix the two dry remove. Clamp length must be chemicals in the kit bag or IAIJ AxIial Cuts 90° (OF Flnge Clamp f/I/ III Figure 1.6.21 Figure 1.6.22 Figure 1.6.23 16