12.8 Rev. 12-06 Shaded area indicates changes MUELLER® A-3™ DRILLING AND TAPPING MACHINE MUELLER A-3 Machine - for drilling, tapping and inserting operations under pressure 1" to 2-1/2" inclusive o Catalog number 39210 o Hand or power operation o Designed for use on pressurized or dry mains o Insert or extract service stop tees 1" to 2" and pipe plugs to 2-1/2" in size o Use on cast iron and steel pipe o 90 psig (621 kPa) maximum working pressure without optional power clevis Item Sizes** Operation Drill and tap main Service Stop Tees 1" Pipe Plugs 1" 1-1/4" 1-1/4" 1-1/2" 2" 2" 2-1/2" Insert Service stop tee Extract Service stop tee Drill and tap main Insert pipe plug Extract pipe plug Method Hand or power* Hand Hand Hand or power* Hand Hand * When power operating the machine to drill and tap 1-1/2" and larger, only combined shell cutters and taps are recommended. Equipment furnished with each machine: o Wooden storage chest (98829) o Ratchet handle (85308) o Ratchet handle extension (86391) o Small saddle gasket (fits between machine and saddle) (40229) o Large saddle gasket (fits between saddle and pipe) (40230) o Flat link chain with eyebolt and nut for 6" thru 16" pipe (83518) o Chain hook, nut and washer o Box end wrench for tightening chain hook nuts and tool retaining tools (40028) o Allen wrench (90322) o Open end combination wrench for E-Z release inserting tools (75409) o Body cleaning chisel (for cleaning debris from inside of machine body) (40205) o Cutting grease (88366) o Instruction Manual (Form 8541) Weight Total shipping weight 188 lbs. (85 kg) Handling weight during operation - Upper section 40 lbs. (18 kg) Handling weight during operation 58 lbs. (26 kg) - Lower section Equipment to be selected: o Combined drills and taps or shell cutters and taps o Inserting tools (used to insert service stop tees or pipe plugs) o Machine saddles (adapts machine to specific type and size of main) Optional equipment: o Extracting tools (used to remove service stop tees or pipe plugs from mains) o Equipment for special uses o Power operator **Nominal
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