The operating area around a robot should be free of debris, water, and a. Spare parts, installation and maintenance of ac motors mammoet. In modern plant operations, unscheduled stoppage of production or long repair shutdowns are intolerable. Maintenance and troubleshooting of electric motors esr motor. Installation, operation and maintenance manual dc motors frames dc180atz, c180atz and dc210atz. Electric motor maintenance and troubleshooting pdf. The canadian subsidiary of the us carrier greyhound, one of. The phase relation between the rotor and stator magnetic field i. Reactive maintenance or breakdown maintenance as it is referred to as well, does not imply any regular service or tests. Maintenance frequency a common question about electric motors is, how often should one rebuild. Although management probably realizes the value of a good preventive maintenance pm program, they. The high cost of the resultant downtime eats deeply into profits. Headquartered in greenville, sc, with locations coast to coast, we offer inshop repair services, field services and distribution to over 4,000 customers working in continuous process, assetintensive industries. The location should be dry, without direct sunlight, well ventilated and free of dust or corrosive gas.
Participants will safely mount and level the motor, install and align. The simple answer is the more often you rebuild, the better. Martindale electric has been manufacturing and distributing electrical testing equipment for the electric motor maintenance industry since 19. Handbook of electric motors pdf free download epdf. The motor should not be stored near a heat or cold source i. Since here we are talking about maintenance of induction motor, and it is of two types. The main objective of this kind of maintenance is to repair and replace the motor when a failure occurs. Mci was founded in 1933 in winnipeg, manitoba by harry zoltok. A free online demo of this course is at free online electric motors and controls training. This may include practices such as keeping the motor free of dirt, checking for signs of excess wear and ensuring the belts and pulleys are aligned correctly at all times. Including the motors in the maintenance schedule for the driven machine or. Download pdf of electric motor maintenance and troubleshooting second edition by augie hand for free pdf free download. Electrical inspection checklists this pdf contains 77 electrical inspection checklists taken from the 2014 electrical inspection manual with checklists. The checklists are in pdf format and can be completed electronically or printed and used as hard copy.
This 2day electric motor training course highlights the most important problems, principles and concepts related to the induction motor, proper specification, installation, protection and control, maintenance, testing and management of electric motors into the distribution system. Predictive and preventive maintenance ips field services. Text headings in each module are linked to and f\ rom the table of contents for that module. Integrated power services, or ips, is the leading provider of electric motor and generator repair services in north america.
Problems and premature failures often indicate input. Download it once and read it on your kindle device, pc, phones or tablets. Regular motor maintenance to avoid failure and prolong. Standard for testing specifications electrical power. You can learn a lot more about rotating equipment health management with the 4day rotating machinery maintenance and reliability training course. This portable document format \pdf\ file contains bookmarks, thumbnails, and hyperlinks to help you navigate through the document. This remains true for most duties but may not be so where environmental conditions are aggressive, the starting duty is onerous, or high structural vibration is present. The frequency of routine service varies widely between applications.
Standard for an electrical preventive maintenance epm. The electric motor operation is based on the following points. Installation and maintenance manual electric motor, gears. Note only the free demo is browser dependant, the purchased software is standalone, compatible with all xpwin10 pcs. Click on document electric motor maintenance and troubleshooting 2nd edition augie hand. Electric motor maintenance and troubleshooting, 2nd edition kindle edition by hand, augie. Electric motor training course certified electricity. The weg electric motor installation and maintenance manual provides the necessary information to properly install, maintain and preserve the most important component of all equipment. The next few sections will provide a summary of how the internal connections are made in the 3ph induction motor. 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. This electric motor control circuit training software is quite detailed. The graphite connectors that ride against the motor commutator are called a.
Remove any corrosion on battery terminals with bicarbonate of soda. This ensures electrical equipment is kept in good working condition at all times. Part of this maintenance program offered guidance on. Motors should be stored in a dry, vibration free and clean area at normal ambients. Pdf motor vehicle mechanic free ebooks download free. Standard for an electrical preventive maintenance epm program page 410 connections. Some mci motor coach industries manuals pdf are above the page.
When motor is not in operation, the following precautionary measures must be undertaken to ensure that motor life is not reduced. Osburn bureau of reclamation hydroelectric research and technical services group denver, colorado 5f. Squirrel cage induction motor requires significantly less maintenance as it does not contain brushes, commutators, slip rings. Car starter starter motor electric motor for car electric cars motor engine car engine mechanic garage. Abb training abb service for motors and generators. Most electric motors operate through the interaction between the motors magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motors shaft. This technical topic outlines several standard maintenance tools and practices that are. Solenoids, timers, sensors, relays, troubleshooting, even an introduction to plcs is included. 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. The failure of one or more critical motors could cause lost capacity and excessive repair and maintenance cost. Your employees should be able to carry out daily doityourself maintenance practices on electric motors.
So the main idea behind motor maintenance is to prevent breakdown rather than repairs them. By logging in to fe membership, you can download memberonly technical documents, sample programs and more from the fe library for free. This document contains proprietary information of general electric company, usa and is furnished to its customer solely to assist that customer in the installation, testing, operating andor maintenance of the equipment described. The more maintenance you do to your electric motor, the longer it will last you and the better the performance will be, so dont be afraid to take 10 minutes out of your race day for some simple electric motor wrenching. Fist 41b, maintenance scheduling for electrical equipment 5c. Products purchased from third party sellers are not guaranteed by the publisher for quality. A greater understanding of ac electric motor control better once you fully understand the theory of each electric motor type. In this article the care, repair, service and maintenance of electric squirrel cage motors has been discussed. Read the following instructions carefully before starting up the motor. A brushless dc electric motor bldc motor or bl motor, also known as electronically commutated motor ecm or ec motor and synchronous dc motors, are synchronous motors powered by direct current dc electricity via an inverter or switching power supply which produces electricity in the form of alternating current ac to drive each phase of the motor via a closed loop controller. Use features like bookmarks, note taking and highlighting while reading electric motor maintenance and troubleshooting. Mechanical energy what is an electric motor an electric motor is a device converting electrical energy into mechanical energy usually a torque.
In 2005, this document was approved for the first time as an american national standard. The first neta maintenance testing specifications for electrical power equipment and systems was published in 1975. A wellplanned electric motor preventive maintenance programme is the key to dependable, longlife operation of electric motors. Industrial maintenance mechanics nocti job ready assessment. Electrical testing equipment, electric motor maintenance. Maintain high insulation resistance at all time and measure the insulation resistance by megger regularly. On testing a capacitorstart motor, you find the shaft free but the motor hums and doesnt run. Motors are inherently highly reliable, requiring little routine maintenance. Electric motor maintenance and troubleshooting by augie hand. Use of damp, cool outside air with high humidity and free water may cause the motor to. At least one of the two magnetic field is generated by a solenoid carrying a current.
Since 1989, revised editions of the maintenance testing specifications have been published in 1993, 1997, and 2001. What is common to all the members of this family is that the basic physical process involved in their operation is the conversion. Since moisture can be very detrimental to electrical components, the motor temperature should be. This document is a summary of recommendations against. They are tightly enclosed to prevent the free exchange of air, but are. Electric motor maintenance and troubleshooting, 2nd edition augie hand on. Electric motors and controls training electric motors and controls training certificate course software. Properly installed and maintained lincoln electric polyphase ac induction motors operated within the nameplate ratings will run trouble free for many years. An electric motor is an electrical machine that converts electrical energy into mechanical energy. This document is a summary of recommendations against which. Some maintenance people with many relatively troublefree ac. A wellplanned preventive maintenance program is the key to dependable, longlife operation of motors and generators. T electrical testing equipment, electric motor maintenance martindale products, electric motor repair tools.
An effective electrical preventive maintenance program should consist of the following essentials elements. Electric motor maintenance and troubleshooting, 2nd edition. The modules listed in the overview are linked to the corresponding pages. Always follow the manufacturers guidelines for maintaining the equipment, lubricating the motor bearings and keeping the. Electric motor maintenance and troubleshooting, 2nd. On stranded cable, if ends are corroded, cut off ends or separate strands and clean internally. Ac electric motors best practice manufacturing designconstruction related features in ac motors that lead to longer service life and higher productivity 1 engineers must select a proper motor that meets rms torque requirements.
A general guide to dc motor maintenance ohio electric motors. The next few sections will provide a summary of how the internal connections are made in. Electric motor fundamentals free online training program this is a free online training program aiming to enhance your motor knowledge. Electric motor predictive and preventive maintenance guide. This conversion is usually obtained through the generation of a magnetic field by means of a current flowing into one or more coils. Uses soft magnet rotor that is magnetized by the application of current in the stator coils 3. The latter, owner of a repair shop, fort garry motor body and paint works limited, developed a vehicle to transport his workers. Dc motors, installation, operation and maintenance manual. The contacts and relay should also be free from dirt and. The rotor has salient poles and a cage so that it starts like an induction motor, and runs like a synchronous motor. Proper maintenance will increase the life of your electric motors. This guide, outlined a complete maintenance program for various electric motors based on size and bearing type. The magnet is spun by a 3 phase ac motor with no rotor voltage 4.
Standard for an electrical preventive maintenance epm program. Ac electric motors best practice manufacturing designconstruction related features in ac motors that lead to longer service. Clearance of at least 36 inches from panels 4 adequate lighting 5 free of w ater or potential sources of water. Headquartered in greenville, sc, with locations coast to. 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. However, existing maintenance recommendations proposed by. The ansineta standard for maintenance testing specifications for electrical power equipment and systems was developed for use by those responsible for the continued operation of existing electrical. Almost all electrical equipment requires planned inspection and maintenance being carrying out. Other members of the family are the directcurrent dc motor or generator, the induction motor or generator, and a number of derivatives of all these three. Constant motor maintenance means that there will not be much maintenance necessary to bring the motor back to optimal performance. Preventative motor maintenance pm is a calendar or timebased planned or schedulebased maintenance program where actions are.
Electric motor training course on design, control, protection, testing best practices. Jan 3, 2019 pdf motor vehicle mechanic free ebooks download. Standard for maintenance testing specifications for electrical power equipment and systems is the most current revision of this document. Electric motor predictive and preventive maintenance guide abstract electric motor performance is vital to the reliable and efficient operation of power plants. Car ecu truck repair auto maintenance coding car stuff learning tractor jeep vehicle. Electric motor training course certified electricity forum. Oversized motors add inertia that must be started and stopped frequently.
It can trace potential problems and correct them before a massive breakdown or delay in production. He sketched a vehicle that could have up to 11 passengers on a packard chassis. These simple steps will keep your electric motor running in top condition all the time. Recommended maintenance practice for electric motors and. Ips offers predictive and preventive maintenance for electric motors and generators, to extend life, and reduce or eliminate unplanned downtime. What is common to all the members of this family is that the basic. Simple steps to electric motor maintenance r baker. In 1992, epris nuclear maintenance application center developed an electric motor predictive and preventive maintenance guide. Learn the basics of electromagnetic induction, motor selection criteria and proper maintenance techniques. Electric motor maintenance and troubleshooting, second edition explains in detail how all types of ac and dc motors work. Installation and maintenance manual worldwide electric. There are few simple rules for the maintenance for the motors.
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