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CITY OF SANTA. A.NA,. <br />RF? NO.; 16.090 <br />WATER WELL, .PUMP AND MOTOR REPAIR SERVICES <br />dellverylplck up for the repair and refurbishment of electric motors and perform any recondition or rewiring <br />as.nocessary to return the equipment..fuliy operational, All electric motor repair shall lie done in arc <br />EASA Accredited Member service shop, no exceptions, <br />a. All work shall he in accordance with the Electrical Apparatus Seruice Association's (EASA) <br />Recommended Practice, AR100.2010 latest edltlprt and the National Elsotricai Manufactarrprs <br />Association (NEMA) standards fair servl6'a and repair of eiectricat apparatus, <br />b. Work shall be In conformance with standards start by, but not limited to, the following organizations; <br />1, Underwriters Laboratories (UL) <br />a. Underwriters Laboratories — Certified motors shall be recertified after repair. <br />b. Contraptor`s shop or his sub-contragtor's shop shall be UL -certified to rebuild explosion proof <br />electric motors for use in hazardous environments, <br />2, American National Standard's Institute (ANSI) <br />S. American Society for `nesting and Materials (ASTM) <br />4, National Electrical Code (NEC) <br />5. National Fire Protection Agehcy (NEPA) <br />3, National Electrical Manufacturers Association (NEMA) <br />Rpoondition/Repair of Klootric Motors <br />Reconditioning/repair of electric motors shall include the. testing„ disassembling, inspeellon, gl'Qaning, <br />dipping:, baking of' windtrtgs,`repiaoQmmi:of bearings, assembly; testing and painting and At minimum <br />Include the tollaawlnga <br />a. Pre,DisassenibfyTest <br />1, .Using a 1 pOQV meg-ohm meter, conduct verification of insulation integrity, Record the Insulailon <br />resiskanc ..ofthe motor as brought In frorn, the Clty, Adoptable criteria, <br />riteria is S Record <br />or higher, <br />1. Vorify that heaters areoperational and that other attached features, such as thermocouples;, have <br />conlinulty. <br />3, single --phase test to check for open rotors. (After disassembly, rotors Will be inspected for evidence <br />of damaged, cracked or open Circuit bars or and rings, If there is evidence of faults, the rotor will be <br />grovVPfested.) The detection of any defect during testing shall be reported promptly to the Engineer <br />4, Documentation covered under this section shall Include the condition of mechanlcal fits (Le, shaft <br />run out), cracked, broken or missing parts, test run at full voltage, current readings, Meg reading <br />and surge comparison test as received,. The Engineer shall be notified if acceptable criteria are not <br />met. <br />b. Motor Disassembly <br />1. Completely disassemble motor and steam clean all mechanical parts using a mild detergent <br />compatible with winding insulstion.; thoroughly rinse; bake dry. <br />2. Disassembly documentation shall Inolude the cause of failure and/or conditions contributing to <br />failure. <br />of Motor Inspecction <br />25C-35 <br />