Dripproof motors are intended to be used in a wellventilated place reasonably free of dirt and moisture. Maintenance and troubleshooting of electric motors esr motor. Since moisture can be very detrimental to electrical components, the motor. The conversion is accomplished by two main component the stator and rotor. An electric motor operates in a simple and reliable manner, and this can sometimes lead to overlooking the daytoday maintenance. This document is a summary of recommendations against which to check. Service bulletin, preventive maintenance checklist of. In a good preventive maintenance program with detailed checks, the person in charge should have a record card on file for every motor in the plant. Gearbox maintenance tips rapid repair solutions once the problem is identified, the cost of repair and downtime must be weighed when deciding whether to fix the problem onsite or have the. Check electrical condition of insulation on power cables and on all phases of the motor in meg ohms. Ir scans of multiple electric motors can highlight those with hot.
Preventive maintenance the key to motor control center reliability the lowvoltage motor control center is a key element in electrical control systems because of the vital operating role they. In practice, a preventive maintenance program can be quite complex. A preventive maintenance schedule can be created easily by following the given steps. Pdf predictive maintenance by electrical signature. Firstly, open a new document in any file format of your choice. Electric motor predictive and preventive maintenance guide electric motor failure could result in lost capacity as well as excessive repair and maintenance costs. When the motor is coupled to equipment, ensure that system vibrations are within acceptable limit per iso 108161 to avoid failure of the motor. An electric motor that is well cared for will last for years and. Pump and motor preventative maintenance program thank you for this opportunity to provide your facility with a proactive preventative maintenance program. Temporary storage 4 preventive maintenance 15 description 4 inspection 15 type designations 4 corrective maintenance 16. The inspection, repair, and maintenance intervals are to be determined by the motor carrier. Use correct material handling equipment to avoid injury. Improving motor and drive system performance energy.
Service contract includes all of the services performed under both the preventive maintenance and the daytime service contract. Service bulletin preventive maintenance checklist of industrial control and drive system equipment use the following checklist as a guide in performing preventive maintenance. Plant engineering preventive maintenance the key to. Check for any loose or faulty electrical connections within the control panel. Lubricate the bearings only when scheduled or if they are noisy or running hot. But like many simple ideas, it can be challenging to make it a reality. Preventive maintenance for small public water systems. Predictive maintenance attempts to detect the onset of a degradation mechanism with the goal of correcting. Avoid long exposure in close proximity to machinery with high noise levels. This technical topic outlines several standard maintenance tools and practices that are. Preventive maintenance schedules with service times motor. Property damage andor physical injuries due to electrical fires can be. Preventive and predictive maintenance 700zb00102 42 preventivepredictive maintenance the guiding principle of ppm is the regular and systematic application of engineering knowledge and maintenance.
This database covers oem scheduled preventive maintenance recommendations and motor estimated work time ewt labor allowances for most domestic and imported car and light truck models available in the u. Including the motors in the maintenance schedule for the driven machine or general plant equipment is usually sufficient. Code of practice for inspection and maintenance of large ac. The choice between maintenance of large motors by preventive maintenance and. Preventative maintenance, pm, manual as a service and guideline to all parishes and institutions of the archdiocese. In these theoretical terms, preventive maintenance is a simple idea. Be sure the motor shaft key is captive before the motor is energized.
Tida01469 motor monitoring using wireless vibration. Centrifugal pump preventative maintenance procedures. All work associated with electric power systems and equipment should be performed in accordance with accepted industry safety standards and work practices. Electrical preventive maintenance epm program electrical related fires are a common occurrence. The principle function of an electric motor is to convert electric energy into mechanical energy. Gearbox maintenance tips preventative maintenance tips in order to prevent the need for any costly repairs or downtime, the first and most important part of any maintenance plan is fixing problems before they happen. A preventive maintenance checklist grainger knowhow. This reference design is a lowpower wireless subsystem solution that monitors motors using vibration sensing to determine if preventative maintenance is necessary. Standard for an electrical preventive maintenance epm. Pump maintenance michigan water environment association. Preventive maintenance service contract for diesel powered electric generators all maintenance to reference above must be followed in accordance with the operating and procedure manuals for all. The very first thing that you should do before starting any type of maintenance on a motor is a visual inspection, a lot of times the trouble can be found just by. Predictive maintenance by electrical signature analysis to induction motors 505 in which taps was inserted to the gradual introduction of imbalance in power depending on the insertion of short.
A wellplanned electric motor preventive maintenance programme is the key to dependable, longlife operation of electric motors. Induction motors installation operation generators. Carroll county public schools has developed and implemented such a plan. If you want to learn more about best practice machinery maintenance, or world. Conducting preventative maintenance on a vehicle may include the routine inspection or replacement of filters, fluids, drive belts, brake systems, wipers, lubricants, and other vehicle components that help a vehicle to run safely and efficiently. Maintenance and troubleshooting three phase induction motor. A motor may require additional or more frequent attention if a breakdown would. We feel this combined effort is providing an effective plant maintenance.
For additional information on why maintenance matters, including helpful how to information and a complete list. Ac electric motors best practice lifetime reliability solutions. Regardless of the type and application of an electric motor, all motors will be made up of these two main components. The owner of the motor is responsible for ensuring all required maintenance is performed and properly documented. English pdf technical description preventive maintenance for acs550 and ach550 english pdf technical description preventive. The work orders are closed and a copy is printed for the vehicle file and the electronic version remains a part of the permanent vehicle records in the. Highlights annual inspections and component replacements are carried out by highly trained engineers in accordance with detailed maintenance schedules. Gearbox oil can be a key indicator of gearbox health and can prolong gearbox life span, so try these quick tips below. Tm 55405 preventive maintenance of electric motors and. The commission, consisting of volunteers and staff members, exists to serve the people. Following items require monthly pmcs repair immediately or complete work order for future repairs.
Preventive maintenance for synchronous motors and generators. Preventive maintenance service for low voltage ac drives. Part 396 federal motor carrier safety administration. Preventive air compressor maintenance atlas copco australia. Preventive and predictive maintenance 700zb00102 42 preventive predictive maintenance the guiding principle of ppm is the regular and systematic application of engineering knowledge and maintenance attention to equipment and facilities to ensure their proper functionality and to reduce their rate of deterioration.
General purpose enclosed motors can be used where they are exposed to dirt, moisture. Preventive maintenance schedules with service times provides original equipment manufacturer oem maintenance schedules with a specific estimated work time attached to each operation. Statement of work for preventive maintenance service. What tests are required of pushout windows and emergency door lamps on buses. In addition dc generator, dc motor types and applications are.
Pdf predictive maintenance by electrical signature analysis to. Fist 41b, maintenance scheduling for electrical equipment 5c. Use of single pipe in cantilever manner with manual labour to. Preventive maintenance provides original equipment manufacturer oem maintenance schedules. Preventive air compressor maintenance the best way to ensure your business is running as well as it could is preventive compressor maintenance. One day of unplanned downtime can cost more than a. A wellplanned preventive maintenance program is the key to dependable, longlife operation of motors and generators. Electric motor predictive and preventive maintenance guide. College of central florida preventative maintenance program 042020 2. Preventive maintenance maintenance for drives abb drive. Regular preventive maintenance actions allow to control maintenance costs and to optimize life time performance. Using this data, you can create a custom maintenance schedule based on selected operations.
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