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Motor/pump shaft rotation is determined by looking at the shaft end of the device |
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Two shafts pointing the same direction, when coupled with belt and pulleys, need to turn in the same direction
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When coupling two devices with shaft couplers one shaft must turn counterclockwise (CCW) while the other must turn clockwise (CW)
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Standard four-cycle gasoline and diesel engine shafts turn counterclockwise (CCW)
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