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Page 4 <br /> BLOWER (Cont.) <br /> 6.2 Standard rotation furnished is for clockwise rotation looking down at motor side.All <br /> motors must be overload protected when connected or warranty is void. <br /> 6.3 The belt drive blowers are furnished with three(3) phase totally enclosed fan cooled <br /> motors at 1750 R.P.M. and carry their manufacturers'warranty. The blade or wheel <br /> is constructed of all welded steel and dynamically balanced. It is designed for higher <br /> efficiency, handling fumes, gases or air containing fine particles. <br /> 6.4 The housings are made of prime steel plate continuously welded and rigidly braced. <br /> This construction includes standard wheel, shaft, and bearing. The pillow block <br /> bearings are heavy duty design with double row tapered roller bearings.The shaft is <br /> turned, ground and polished, and dimensioned for heavy duty construction.The <br /> motor is mounted on an adjustable motor rail base for belt tightening. <br />