Common causes for electric motor failure motor failure. For instance, if the fan motor was not running, then we can make some initial guesses to the source of the problem. Electric motors should be installed, maintained and troubleshot by electricians. Maintenance and troubleshooting three phase induction motor. As with all modifications on electric or electronic equipment, make sure that you unplug the motor before making any modifications or repairs. Products purchased from third party sellers are not guaranteed by the publisher for quality. Essential for anyone who needs to buy, install, troubleshoot, maintain, or repair small to industrialsize electric motors, this practical guide contains new information on threephase motors along with coverage of the latest. Electric motor maintenance and troubleshooting by augie hand. No matter how urgent the problem and motor failure can cause some very urgent problems always develop a plan of attack before you start repair work. Be sure such technicians observe standard safety precautions including those.
One major concern is choosing the right motor for a given job. Electric motor maintenance and troubleshooting augie hand. These instruments are used to measure voltage,current. Its a mechanical failure, not an electrical failure. The only userserviceable parts on an ac motor are the brushes and the bearings. Electric motor troubleshooting questions about electric. In this article we provide a diagnostic guide to determine and repair problems with electric motors. Simple steps to electric motor maintenance r baker. Electric motor maintenance and troubleshooting bemas bridge. Electric motors troubleshooting and understanding w tpc online. Polyphase ac induction motor troubleshooting guide d 5t application data troubleshooting guide warning allow only qualified personnel to perform troubleshooting and maintenance of motors. Electric motor maintenance and troubleshooting, 2nd edition kindle edition by augie hand. Some of its common problems include failure to start, motor overheating, noise, and vibration. Almost all electrical equipment requires planned inspection and maintenance being carrying out.
Download for offline reading, highlight, bookmark or take notes while you read electric motor maintenance and troubleshooting, 2nd edition. Golf cart troubleshooting and maintenance checklist. Electric motor maintenance and troubleshooting, 2nd edition, augie. Essential for anyone who needs to buy, install, troubleshoot, maintain, or repair small to industrialsize electric motors, this practical guide contains new information on. Below are some of the frequently asked questions regarding electric motor troubleshooting that have been answered by. Electric motor maintenance and troubleshooting pdf. Gather up any background material you may have on hand and then use your senses to inspect the site. Use features like bookmarks, note taking and highlighting while reading electric motor maintenance and troubleshooting, 2nd edition. Below are some of the frequently asked questions regarding electric motor troubleshooting that have been answered by the experts. A wellplanned electric motor preventive maintenance programme is the key to dependable, longlife operation of electric motors.
Electric motor maintenance and troubleshooting, 2nd edition. Download it once and read it on your kindle device, pc, phones or tablets. Electric motor maintenance and troubleshooting, 2nd edition augie hand on. Electric motor maintenance and troubleshooting, 2nd edition book. Essential for anyone who needs to buy, install, troubleshoot, maintain, or repair small to industrialsize electric motors, this practical guide. You will gain a fundamental understanding of the protection, control and maintenance of electric motors and drives. A motor placed in storage may or may not work, regardless of its physical appearance. Electric motor drive installation and troubleshooting is designed for technicians in the field responsible for installing, programming, troubleshooting, and retrofitting electric motor drives. Electric motor maintenance and troubleshooting, 2nd edition ebook.
A fully uptodate, handson guide to electric motors. Electric motor maintenance and troubleshooting, 2nd. Electric ac dc motor maintenance and troubleshooting manual. Hatfield, vp of engineering and repair at heco all systems go, goes over common types and causes of failures in electric motors at the 2016 reliability process and maintenance rpm. Troubleshooting a small electric motor that fails is most effective when you follow a stepbystep procedure that rules out potential causes and helps isolate defective circuits or components. Electric motor maintenance and troubleshooting electrical2z. It is comparatively easy to obtain the required speed through the use of motors directly connected to the driven machine, through speed reducers, or the now more economical geared motors, or even through vbelt or chain or sprocket drive. Electric motor maintenance and troubleshooting augie. Essential for anyone who needs to buy, install, troubleshoot, maintain, or repair small to industrialsize electric motors, this practical guide contains new information. Ac electric motor troubleshooting guide test procedures. Including the motors in the maintenance schedule for the driven machine or general plant equipment is usually sufficient. It is mechanical component defect and electrical circuit failure. Troubleshooting problems on your ac motor is relatively straightforward, and providing you have reasonable doityourself abilities, repairing it is not too difficult.
Maintenance and troubleshooting of electric motors esr motor. The choice depends on the intended use of the motor, the availability of power, the location and other factors. Electric motor maintenance and troubleshooting book, 2011. Typical instruments used for troubleshooting motor operation problems include a multimeter, clampon meter,insulation resistance meter, and infrared thermometer. This webinar is all about electric motors and how to get a better understanding of them. Electric motor maintenance and troubleshooting, second. When a motor fails, it is often difficult to see why it failed just by looking at it. The page top photo was taken of of an oil burner electric motor not an air conditioning blower fan motor or pump motor, but youll see that all of these electric motors look a lot alike. Electric motor maintenance and troubleshooting, second edition explains in detail how all types of selection from electric motor maintenance and troubleshooting, 2nd edition, 2nd edition book.
The frequency of routine service varies widely between applications. Electric ac dc motor maintenance and troubleshooting 30 books. A general guide to dc motor maintenance ohio electric motors. 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 looking, because if the problem is that bad then it should be very obvious by observation.
August hand a fully uptodate, handson guide to electric motors keep electric motors running at peak performance. Electric motor maintenance and troubleshooting, second edition explains in detail how all types of ac and. There is a definite need for this book chuck yung technical support specialist, electrical. Electric motor maintenance and troubleshooting, second edition explains in detail how all types of ac and dc. I love history on old things of the past and how they were made and repaired. Dc electric motor troubleshooting training dvd training. Use features like bookmarks, note taking and highlighting while reading electric motor maintenance and troubleshooting. Over heating excessive heat in motors can cause a number of performance problems. Electric motor maintenance and troubleshooting ebook. Read electric motor maintenance and troubleshooting, edition by augie hand available from rakuten kobo. Breakdown causes by electric motor failures always happen in our operation due to of 2 major factors. Electric ac dc motor maintenance and troubleshooting 30.
Electric motor maintenance and troubleshooting, second edition explains in detail how all types of ac and dc motors work. Paperback 432 pages a fully uptodate, handson guide to electric motors. Electric motor diagnostic guide electric motor troubleshooting guide diagnostic table how to troubleshoot and fix electric motors table a. Electric motor maintenance and troubleshooting electric. Five tips for better electric motor maintenance it is essential to perform preventive maintenance pm checks on electric motors as a part of managing facility assets because they have a massive impact on a business productivity and profit. Read electric motor maintenance and troubleshooting, 2nd edition by augie hand available from rakuten kobo.
Electric motor drive installation and troubleshooting. Common electric motor failure types and causes youtube. Electric motor maintenance and troubleshooting, 2nd edition by. This is because gas and electric use very different systems for power, so troubleshooting electric golf carts is a little different from troubleshooting gas. Download pdf of electric motor maintenance and troubleshooting second edition by augie hand for free pdf free download. Troubleshooting electric motor problems made easy for you.
Maintenance and troubleshooting of electric motors reliance electric posted 11005 motor maintenance scheduled routine care introduction the key to minimizing motor problems is scheduled routine inspection and service. Post a question or comment about how to troubleshoot electric motors such as air conditioning compressor motors, heating equipment burner or fan motors, swimming pool motors, water well pump motors. Electrical troubleshooting in seven steps efficient plant. The polarity of interpoles in a motor will be the same as the field poles ahead of them in the direction of rotation page 28. These motors usually function without many problems, but they do require maintenance and repairs at times. A fully uptodate, handson guide to electric motors keep electric motors running at peak performance.
I am really enjoying the many books on this cd this cd. Common causes for electric motor failure motor failure analysis. This course gives you a thorough understanding of electrical motors protection, control and maintenance and gives you the tools to maintain and troubleshoot electrical motors. There are millions of motors in use in homes, offices, stores, and industrial plants. General maintenance applies to either electric or gas powered golf carts, and troubleshooting starts that way, but eventually is broken into two subcategories for electric or gas motors. Interpoles create a canceling voltage that decreases brush arcing pages 2930. An electric motor is used for producing mechanical energy in various applications. Therefore, motor troubleshooting involves the entire system, not just the motor. Lubricate the bearings only when scheduled or if they are noisy or running hot. This industryleading resource begins with electric motor principles, power requirements, and control methods and focuses on the safe operation. Download it once and read it on your kindle device, pc, phones or.
Electric motor maintenance and troubleshooting, 2nd edition kindle edition by hand, augie. Jun, 2011 electric motor maintenance and troubleshooting, 2nd edition book. An excessive wear in the brush can lead to commutation problems with the motor. Electric motor maintenance and troubleshooting, second edition explains in detail how all types. An electric motor is an extremely handy device which has multiple uses. Jul 06, 2011 a fully uptodate, handson guide to electric motors. Troubleshooting problems on your ac motor is relatively straightforward, and providing you have reasonable doit. Tips for troubleshooting electric motors understanding the nuances of various motor types is essential when servicing or installing such units b y d e n n i s b u s h a fter more than 100 years of use, with an ever increasing installed base, there are probably few aspects of an electric motor s usage and failure modes. The modern electric motor installation the individual motor drive has practically replaced all other types. What happens when the interpoles are connected wrong page 30. August hand a fully uptodate, handson guide to electric motorskeep electric motors running at peak performance. This ensures electrical equipment is kept in good working condition at all times. Motor and motor control troubleshooting techniques. Post a question or comment about how to troubleshoot electric motors such as air conditioning compressor motors, heating equipment burner or fan motors, swimming pool.