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The following materials are normally required for electric motor inspection and maintenance: approved lubricant required by the OEM reference OEM maintenance manuals for additional appropriate information RTS or OEM-approved brushes operation and maintenance manuals for respective property 2 Installation & Maintenance MN416 INSTALLATION This motor must be installed in accordance with National Electric Code, NEMA MG-2, IEC standards or local codes. WIRING Connect the motor as shown in the connection diagrams. If this motor is installed as part of a motor control drive system, connect and protect the motor according to the 1. Clean motor of any dust or oil. 2. Check oil rings turn with shaft. 3. Check oil level in bearings. 4. Visually check for oil and grease from bearings. 5. Technician to examine the starter switch, fuses and tighten loose connections. Every 6 months 1. Clean motor, blowing out dirt from windings, and wipe commutator and brushes. 2. Adjust, repair, or replace as necessary. X Motor condition Check the condition of the motor through temperature or vibration analysis to assure long life. X. 30 Liberty Street Edison, NJ 08837 Phone 732-738-6210 Fax 732-738-6211 metropumps.com Pumps, Parts, Systems, Engineering Services, Field & Shop Repairs, Upgrades The maintenance program for every five/six months: Clean motor thoroughly, blowing out dirt from windings, and wipe commutator and brushes. Check brushes and replace any that are more than half worn Examine brush holders, and clean them if dirty. Make sure that brushes ride free in the holders. Drain, wash out and replace oil in sleeve bearings. Preventive maintenance - to prevent operating problems and make sure that the motor continuously provides reliable operation. Predictive maintenance - to ensure that the right kind of maintenance is carried out at the right time. Reactive maintenance - to repair and replace the motor when a failure occurs. Factors which affect the life Predictive Maintenance for Motors and Generators Authors: Muhammad Nauman Danish Air University of Islamabad Abstract The health monitoring of electric machines e.g. (generators and motors) is a INSTALLATION AND MAINTENANCE MANUAL FOR NEMA LOW VOLTAGE ELECTRIC MOTORS 9 3.1.4 Coupling a) Direct Coupling Direct coupling is always preferable due to its lower cost, space economy, no belt slippage and lower accident risk. In the case of speed ratio drives, it is also common to use a direct coupling with a reducer (gear box). ANU TORS 3 CONTENTS Chapter 1 Scope 4 2 General safety warning 4 3 Compliance with EU directives - CE marking 4 4 Electric motor identification 5 5 Mechanical installation 7 6 Electrical installation and start-up 8 7 Incremental encoder 9 8 Forced ventilation 10 9 Electric motor protection 11 10 Maintenance / spare parts 12 11 Assembly/disassembly instructions 12 12 Disposal and recycling 12 When a motor application requires a motor to be cycled often, the following steps should be taken: Use a motor with a 50°C rise instead of the standard 40°C. Use a motor with a 1.25 or 1.35 service factor instead of a 1.00 or 1.15 service factor. Provide additional cooling by forcing air over the motor. Figure 4. PDF | On Jun 27, 2017, Onyebuenyi Promise N. and others published ELECTRIC