Page 40 of Quality Tools for the Energy Industry by Cooper Power Tools

radial piston power motors ma3 series dimensional data ma3 series s maximum motor power 3.0 hp 2.24 kw s torque range 24 ­ 588 ft lbs 33 ­ 797 nm 73358aa3 s direct drive model number rpm at max hp free speed 1300 200 104 53 1190 183 95 48 1190 183 95 48 2600 400 200 100 2600 400 200 100 2600 400 200 100 stall torque ft lbs 24 155 299 588 24 155 299 588 24 155 299 588 nm 33 210 405 797 33 210 405 797 33 210 405 797 starting torque ft lbs 13 84 161 317 13 84 161 317 13 84 161 317 nm 18 114 218 430 18 114 218 430 18 114 218 430 weight lbs 49 65 65 65 51 67 67 67 51 67 67 67 kg 22.2 29.5 29.5 29.5 23.1 30.1 30.1 30.1 23.1 30.1 30.1 30.1 air consumption cfm 90 90 88 97 80 87 90 95 80 87 90 95 m3/min 2.55 2.55 2.49 2.74 2.27 2.46 2.55 2.69 2.27 2.46 2.55 2.69 gear ratio max overhung load stall lbs 750 2560 2560 2560 750 2560 2560 2560 750 2560 2560 2560 kg 340 1161 1161 1161 340 1161 1161 1161 340 1161 1161 1161 with single-direction valving 73358aa3 73372aa3 73370aa7 73360aa8 73359aa1 73373aa1 73371aa5 73361aa6 6.5:1 12.5:1 24.6:1 6.5:1 12.5:1 24.6:1 6.5:1 12.5:1 24.6:1 with reversible valving s geared without valving 73406aa0 73409aa4 73408aa6 73407aa8 non-geared models assume overhung load located at 0.625 15.88mm from face of motor geared models assume overhung load located at 1 25.40mm from face of motor these motors must be operated with sufficient load to prevent speed from exceeding maximum allowable speed shown on performance curve general air inlet 3/4 nptf all tools performance rated 90psi 620 kpa air pressure optional equipment lubricating oil ­ part 533485 1 gallon gear oil ­ part 535090 1 gallon 76 77

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