Page 20 of Master Power Industrial Air Tools by Cooper Power Tools

precisionmaster nutrunners ® precisionmaster a tool support arm reduce operator fatigue avoid damage to assembly components eliminate air hose clutter tangles increases work place safety allows fast tool change without special tools 1 square 18 gauge tubing chrome finish 3 square welded base for mounting model number boom length in mm overall height in mm ® 90° torque range 120 208 in lbs 14 23 nm indispensable when space is limited or where access is difficult immediate and automatic air shut-off which considerably improves the repeatability of torque on all types of joints and reduces stress on the operator s hand end of cycle buzzer warns the operator that the tightening process is over robust angle heads to guarantee long life reversible easy-to-use reverse button with locking device designed for use with either lubricated or unlubricated compressed air low noise and vibration levels accessories b torque reaction arm telescoping unit provides complete freedom of movement adapts easily to master power tool support arm no torque reaction from 1 to 200 in lbs easy to assemble ­ no tools required model number fits boom length in mm overall height in mm reach min max torque reaction arm 719991 24 609.6 standard equipment parts list 22 558.8 10 37 tool support arm 719974 18 719975 24 719976 30 standard equipment 5 lb capacity balancer quick disconnect coupling 6 hose whip 1/4 4 mounting screws 457.2 609.6 762 37 37 37 939.8 939.8 939.8 mp2639b spring torque chart c de b a model number tool spring number hard joint in lbs nm in lbs range tightening torque soft joint nm color Ø model a mp2639b 180mm 7.09 in b 137mm 5.39 in c 14mm 0.55 in d 12mm 0.47 in e 34.5mm 1.36 in Ø 40mm 1.58 in clutch springs mp2603b mp2603b mp2652b mp2652b mp2637b mp2639b 80189700 80189600 80189700 80189600 80195700 80201900 7.1 22.1 4.4 14.1 7.1 38.9 4.4 14.1 18-79 88.7-221.7 0.8 2.5 0.5 1.6 0.8 4.4 0.5 1.6 2-9 10-25 7.1 22.1 4.4 14.1 7.1 38.9 4.4 14.1 18-79 88.7-239.5 0.8 2.5 0.5 1.6 0.8 4.4 0.5 1.6 2-9 10-27 grey black grey2 black blue blue model number screw size in mm max free rpm torque rating hard joint softjoint in lbs nm in lbs nm assembled on the tool supplied with tool length in mm weight lbs kg 90° lever 3/8 square drive mp2639b 5/16 8 general air inlet 1/4 npt use 5/16 8 mm i.d hose all tools performance rated 90psi 620 kpa air pressure 350 120-208 14-23 129-230 15-26 13.0 331 3.1 1.4 standard equipment clutch adjustment tool suspension bail use and maintenance manual see page 39 for optional torque springs 36 it is the user s responsibility to refer and comply with ansi b7.1 warning face eye protection must be worn while operating power tools per ansi b186.1 cutting tool maximum speed rating must be equal or exceed speed of air tool 90 psi 620 kpa follow cutting tool manufacturer s mounting operating instructions warning face eye protection must be worn while operating power tools per ansi b186.1 cutting tool maximum speed rating must be equal or exceed speed of air tool 90 psi 620 kpa follow cutting tool manufacturer s mounting operating instructions it is the user s responsibility to refer and comply with ansi b7.1 37 fastening optional boom lengths 719980 balancer 5 lb capacity fastening

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