General recommendations are provided for users of motors that need repair as well as owners and operators of establishments that offer motor repair services. The use of this recommended practice is expected to result in higher quality, more cost-effective, and timely repairs. Guidelines are also provided for evaluating repairs and facilities.

This recommended practice covers general recommendations for the repair of electric motors and includes recommendations for both the user and the repair facility. It is not intended to supplant specific instructions contained in the manufacturer's instruction book or in any contractual agreement between a manufacturer and a purchaser of a given machine. These recommendations apply to horizontal and vertical motors, NEMA frame size 140 and above, having a voltage rating of 15 kV or less. These recommendations apply only to the repair of motors and are not intended to cover major modifications

This recommended practice is intended to be a basic or primary document that can be utilized and referenced by owners of motors that need repair as well as by owners and operators of establishments that offer motor repair services. It has been developed primarily for the needs of the Petroleum and Chemical Industry but can be adapted to other applications. The use of this recommended practice by users and repair facilities is expected to result in higher-quality, more cost-effective, and timely repairs. It also provides a means of evaluating repairs and facilities.