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H. Motor characteristics shall be as follows: • <br /> 1. 120V/1/60 Hz: Capacitor start, open drip-proof type, ball <br /> bearing, rated 40 degrees C. continuous rise. <br /> 2. 208V or 460V/3/60 Hz:NEMA Design B, normal starting <br /> torque, single speed, squirrel cage type, open drip-proof. <br /> rated 40 degrees C. continuous rise, with ball bearings rated <br /> for B-lO life of 100,000 hours and fitted with grease fittin�s <br /> and relief ports. Provide motors with aluminum end <br /> brackets with steel inserts in bearing cavities. � <br /> 3. Motors 50 Hp and greater shall have part-winding start <br /> capabilities. <br /> PART 3 -EXECUTION � <br /> 3.1 INSTALLATION ; <br /> A. Arrange and set motors. <br /> B. Line up motors on direct drive equipment usina dial typ',e • <br /> gauges. , <br /> C. All motors together with driven equipment shall be statica113T <br /> and dynamically balanced by equipment supplier, start-t�zp <br /> representative, or this.contractor using approved balancing <br /> equipment. Fan vibration should be limited to � <br /> manufacturer's recommendations,but should not exceed 2 <br /> mils in any case. <br /> D. Make connections and test motor for proper rotation/phasin�. <br /> END OF SECTION � <br /> , � <br /> ICT 99184 <br /> 15170 - 2 � <br />