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This standard is intended to be a basic or primary document that owners of alternating current motors and generators (machines) can use and reference that need renovation, repair and / or rewinding, as well as repair services or facilities. It has been developed for the oil, chemical and process industries, and can be adapted to other areas of interest. The use of this standard is expected to result in faster, higher quality and cost-effective repairs. A means is also provided for evaluating the work performed and the repair or service facilities.
It is not intended to replace specific instructions contained in the manufacturer's instruction manual or in any contractual agreement between a manufacturer and a purchaser of a particular machine. For the purposes of this document, the term "motor" is used in place of, and should be equated with, the terms "rotor", "generator" and "winding machine". This standard covers the reconditioning, repair and rewinding of horizontal and vertical induction motors and synchronous motors. It applies to all voltages of 15 kV and less, and all ratings above 0.75 kW (1 hp). This rule applies only to engine repair and, in cases involving modifications to the basic design, care must be taken not to adversely affect the safety and reliability of the engine. The following are excluded from the scope of this standard: Requirements, certification and inspection required for explosion proof, dustproof, fireproof, and similar engines with a list issued by a Nationally Recognized Test; Laboratory (NRTL), for example, American Bureau of Shipping (ABS), Underwriters Laboratories, Inc. (UL), Factory Mutual (FM) and Canadian Standards Association (CSA). For engines in this category, the user will verify whether the repair facility must be certified by that agency; Any specific or additional requirements for hermetic motors, hydrogen-cooled generators, submersible motors or Class 1E nuclear service engines; DC motors (cc).