In these theoretical terms, preventive maintenance is a simple idea. Keeping electrical equipment clean is an important part of any electrical preventive maintenance program, but using the wrong cleaning methods could be costly. Rags can easily catch on edges other and sharp objects, which could damage small plastic or moving parts. In poor environments, blow out dirt weekly; in normal environments, a quarterly or semi-annual cleaning should be adequate. General Rules in the Use of Cleaning Equipment ï 1. Check if there are frayed wires, ï loose plugs ad connections. Some rules aren't defined by the type of tool your employee is using and can be applied to anything they need on shift: Clean and store the equipment correctly after every use. 1310. E-5 Equipment Maintenance & Procedures. In fact, one of the most important steps in good electrical maintenance is having a professional inspect your system at least once a year. Amputation & Caught-in Hazard s â machine guards on equipment are installed to protect our employees from moving parts. Never use any appliance that is defective. Loose dust, dirt, and particles can be removed using a vacuum-type cleaner with non-metallic attachments and hoses. General Rules in the Use of Cleaning Equipment Check electrical appliances and equipment before use. These guidelines will help you maintain motor controls. An electrician can check your electric panel, replace damaged wires and test circuit breakers. Wiping off dirt with a clean, dry, lint-free cloth or soft brush is usually satisfactory if the apparatus is small, the surfaces to be cleaned are accessible, and only dry dirt is to be removed. Cloth rags should be clean and free of oil, grease, and metallic deposits. DANGER: Never attempt to clean electrical power equipment while its energized. Rule no. Handle equipment with care and make sure it does not bump on hard surfaces. The written plan must include specific instructions regarding documentation of compliance in an equipment maintenance log. Knowledge of government regulations is required in handling asbestos, NFPA 70B: Recommended Practice for Electrical Equipment Maintenance, Infrared Thermography for Electrical Distribution Systems, Power Distribution Unit (PDU) Applications, Testing & Maintenance, Surge Arresters: Selection, Application and Testing Overview, Power Cable Testing and Diagnostics Overview, 4 Critical Tests for Evaluating HV Circuit Breaker Performance, Electrical Shock and Arc Flash PPE Overview, Electrical Drawings and Schematics Overview, Network Protector Basics: Applications, Operation, and Testing, Power Quality Analysis: Basic Theory and Applications Explained, Ground Fault Protection Systems: Performance Testing Basics, Zone Selective Interlocking (ZSI) Basic Principles. When electrical equipment is subject to a clean and dry environment, cleaning is required more frequently than if the environment is humid with a significant amount of dust and other foreign matter. General requirements for equipment maintenance include: Obtaining a copy of the maintenance schedule recommended by the manufacturer. Develop a tool storage system and instill its importance into your workers. Determine the cleaning method by observing the type of contamination to be removed and the time allowed until the equipment needs to be returned to service. General Rules in the Use of Cleaning Equipment ï 1. - cptam.com) While it is appreciated that breakdown of plant may result in costly interruption of normal building operation, it must also be borne in mind that stopping plant for maintenance can also cause a loss in production . Rule no. true NFPA 70E 225.3 requires a circuit breaker that has interrupted a fault approaching its interrupting rating to ⦠They include: CMS maintenance guidance.The revised CMS State Operations Manual provides guidance for state personnel surveying hospitals on behalf of CMS. A rag barely moistened (not wet) with a nonflammable solvent can be used for wiping. Removed the apparatus to a suitable location for cleaning, or other exposed equipment should be covered before cleaning starts to keep the debris out. Electric Radiant or Convector 10 b. Radiant Hot Water 25 c. Radiant Gas 18 d. Steam or Hot Water Convector, 50 Cast Iron e. Steam or Hot Water Fin Tube 15 PREVENTIVE MAINTENANCE GUIDEBOOK 76 Appendix 7: Building Systems Useful Life If compressed air is used, protection should be provided against injury to workers' faces and eyes from flying debris and to their lungs from dust inhalation. ï 2. Electrical power aparatus, such as transformers, regulators, air switches, circuit breakers, capacitors, and lightning arresters comprise the components necessary to perform these functions. Use personal protective equipment to protect the face and eyes from abrasives and flying debris, and the lungs from dust inhalation. A solid EPM program should include de-energized maintenance at least every three years on critical equipment, including the incoming electrical service from the utility. Preventive maintenance for general features including Lighting, Alarm Systems, Fire Extinguishers, Doors and Windows, and HVAC Systems also applies to this area. Maintaining electrical equipment safety The law requires electrical equipment to be maintained to prevent danger. Ensuring that the person(s) performing the maintenance are competent (e.g. Basic guidelines to control maintenance. The only way to be sure. Bonus: The clean coils will cool more efficiently and save you money on your utility bill! Loose hardware and debris should be removed from the enclosures. During the running of the diesel generator, the exhaust system, fuel system, DC electrical system and engine require close monitoring for any leaks that can cause hazardous occurrences. Frequency of EPM In general, HSB recommends a frequency of once every three years for conducting equipment participate in training and instruction sessions and become trained operators. Insulation should be tested to determine whether it has been properly reconditioned before re-energizing equipment. Observe all material data sheets prior to using chemical cleaners. NFPA 70B has 35 chapters covering maintenance intervals and procedures for electrical equipment and systems. licensed mechanic). General Habits. Neglecting the maintenance of electrical equipment over a long period of time will inevitably lead to costly emergency repairs and equipment failures in addition to elevated safety and property risks. Check if there are frayed wires, ï loose plugs ad connections. It is the opinion of the authors that OSHA drives this standard as well as the National Electrical Code (NEC) and NFPA 70E that deals with electrical safety. Included are 16 Annexes with helpful explanatory and recommended material. All that is required to maintain acid-cell batteries is adding distilled water. Shot blasting should not be used. Cleanliness. On many fridges, you get to the coils by removing the front grille. Recommended Practice for Electrical Equipment Maintenance, Access 300+ codes online including the most current requirements and previous editions, © National Fire Protection Association (NFPA) 2020, National Fire Codes® Subscription Service, The value of Standards Development Organizations, Alternative Fuel Vehicles Safety Training, Spanish-language seminars in Latin America and Spain, Safety in living and entertainment spaces, Submit a Public Input for the Next Edition. Routine maintenance is designed to help keep equipment, machines, and buildings operating optimally. Check electrical appliances and equipment before use. NFPA members and public sector officials may submit a question on an NFPA code or standard. Some autoscrubbers have acid-cell or gel batteries. Disconnect the power source before servicing or repairing electrical equipment. Readers are encouraged to refer to the complete man⦠equipment participate in training and instruction sessions and become trained operators. If a particular piece of equipment needs lubrication, it may work at a slower rate and reduce the efficiency of an entire line. 1. Heaters a. Diesel Generator Routine General Inspection. maintenance activities and frequencies should be based on the specific operations and conditions of the equipment. Make sure that dust or contamination is kept off high-voltage equipment. Be smart and use our preventive maintenance checklist to keep your electrical ⦠Compressed air should be dry and directed in a manner to avoid further blockage of ventilation ducts and recesses in insulations. If the sweeping of a substation room is required, use a sweeping compound to limit the amount of dirt and dust becoming airborne. Cleaning, exercising, lubricating, relay testing and breaker testing are conducted during a de-energized state. Abrasive blasting operations should comply with OSHA regulations in 29 CFR 1910.94(a), "Occupational Health and Environmental Control � Ventilation." Do not use any liquid cleaners, including spray cleaners, unless specified by the equipment manufacturer, because of the risk of residues causing damage, interfering with electrical or mechanical functions, or compromising the integrity of insulation surfaces. Electric 15 c. Hot Water 20 d. Steam 20 10. Industrial Cleaning Procedures Maintenance, Carts, Closets, Equipment & Supplies 1 A. checklist includes common cooking equipment and dining furniture. If the coils are located on the back, pull out your fridge to clean them. Solvents used for cleaning of electrical equipment should be selected carefully to ensure compatibility with materials being cleaned. The frequency of the activities should be based on actual conditions. In practice, a preventive maintenance program can be quite complex: there's a great deal of data to be collected and analyzed, and many competing tasks to schedule, prioritize and cost. Electrical preventive maintenance is cost-effective in many ways, improves equipment efficiency and reduces utility bills. Easy to check. When working with electrical items, make sure to unplug the unit or turn off the power to the specific circuit. All personnel operating, inspecting, servicing or cleaning this equipment must be properly trained in operation and machine safety. 4. Use care to avoid damage to delicate parts. A solid EPM program should include de-energized maintenance at least every three years on critical equipment, including the incoming electrical service from the utility. 3) To store and protect the large investment of cleaning supplies and equipment, your hospital has cleaning closets equipped with hooks, racks, shelves, sinks, and other items located in each department or on each floor. The use of compressed air should comply with OSHA regulations in 29 CFR 1910.242(b), "Hand and Portable Powered Tools and Other Hand Held Equipment," including limiting air pressure for such cleaning to less than a gauge pressure of 208.85 kPa (30 psi) and the provision of effective chip guarding and appropriate personal protective equipment. CAUTION: Cleaning with compressed air can create a hazard to personnel and cause equipment to fail or malfunction. Recommended Practice for Electrical Equipment Maintenance NFPA 70B details preventive maintenance for electrical, electronic, and communication systems and equipment -- such as those used in industrial plants, institutional and commercial buildings, and large multi-family residential complexes -- to prevent equipment failures and worker injuries. Electrical equipment is a general term applied to material, Accumulated dirt, oil, or grease might require a solvent to be removed. Refer to the corresponding checklists. Arrange for maintenance when equipment is safely shut down and not in use. Treat all electrical devices as if they are live or energized. Remember to observe all safe work practices and lockout/tag out procedures prior to cleaning. First, it is cheaper to make repairs to equipment before it fails. Safety must not be compromised and some ground rules need to be followed first. Make cleaning and storing the tools a part of your entire cleaning system. Maintenance of Electrical Equipment In Buildings (photo credit: Critical Power Testing and Maintenance, LLC. 15 Safety Precautions You Need To Take When Working With Electricity Itâs vitally important to take safety precautions when working with electricity. Protection might also be needed against contamination of other nearby equipment if the insulation is cleaned in place with compressed air. Equipment enclosures and substation room filters should be cleaned at regular intervals and replaced if they are damaged or clogged. NFPA 70B details preventive maintenance for electrical, electronic, and communication systems and equipment -- such as those used in industrial plants, institutional and commercial buildings, and large multi-family residential complexes -- to prevent equipment failures and worker injuries. New or unusual wear or loss of parts occurring after the cleaning can be detected during subsequent maintenance. Observe all material data sheets prior to using chemical cleaners. Electrical equipment malfunctions and failures are responsible for million-dollar losses to facilities, industries, and businesses worldwide. ï 2. A good regimen of maintenance for your tools is one thing that you can do to make sure that the tool you need is working when you need it. Start off with high value equipment and begin scheduling maintenance tasks with longer intervals first (annual then bi-annual) as they take up the most time and resources. Accumulated dirt, oil or grease might require liquid solvents or other alternative methods to be removed. 3. Bonus: The clean coils will cool more efficiently and save you money on your utility bill! Any electrical preventive maintenance program should be performed in accordance with accepted industry standards and safety practices. Substations and switchgear in an electrical system perform the functions of voltage transformation, system protection, power factor correction metering, and circuit switching. The facility must have a written plan for monitoring of all in-lab and HSAT patient-related equipment for electrical and mechanical safety. Maintaining electrical equipment only accounts for 5 percent of electrical incidents, as the equipment generally is de-energized to perform scheduled maintenance. Maintaining electrical equipment only accounts for 5 percent of electrical incidents, as the equipment generally is de-energized to perform scheduled maintenance. Typical current range for locked rotor current, Gen Breakers Failed to close just "Click", Most common cause of failure of electrical equipment in service. Responses are provided by NFPA staff on an informal basis. If the coils are located on the back, pull out your fridge to clean them. In general, HSB recommends a frequency of once every three years for conducting regular preventive maintenance on electrical equipment. b. Never use any appliance that is defective. Check if there are frayed wires, loose plugs ad connections. Test Equipment 101: The Basics of Electrical Testing, Circuit Breaker Control Schematic Explained, Protective Relay Protection Element Tests, Capacitive Reactance - How to Solve Series and Parallel Capacitors, Cleaning Methods for Electrical Preventive Maintenance. Determine the cleaning method by observing the type of contamination to be removed and the time allowed until the equipment needs to be returned to service.Sufficient dry time is required when using liquid solvents or water to clean electrical equipment. As equipment starts to display signs of electrical aging, it should act as a trigger for the employer or owner to carry out preventive maintenance to avoid catastrophic failure. Wear the required personal protective equipment (PPE) such as goggles, gloves, aprons, and respirators when working with potentially hazardous solvents. Rule no. Check electrical appliances and equipment before use. However, frequency is highly dependent on equipment conditions and operations. Electrical Hazards â equipment that uses electricity as a power source is a potential electrocution hazard. Use care when working with compressed air to avoid contaminants from become airborne, which can contaminate insulation surfaces, cause injury to personnel, or affect the mechanical operation of nearby equipment. You should never start any home maintenance or repair work without proper preparation and safety tools. 1) Fire safety Electrical outlet load Be smart and use our preventive maintenance checklist to keep your ⦠Maintenance Practices and General Information for Federal Buildings ... state, federal guidelines and regulations must be adhered to with respect to documentation, handling and disposal of refrigerants. Allow sufficient time for drying after cleaning equipment with a liquid solvent or water! Donât neglect your electrical distribution system. Blowing equipment out with compressed air is likely to spread contamination and damage insulation. Special considerations should be taken when cleaning aged equipment that may contain asbestos, especially when using compressed air methods. Check and ensure all the electrical connections and cables are well connected and that there are no lose wires or loosely placed cables. Asbestos is a toxic substance subject to government regulations. Practice Test Question: Which relay is used to protect feeders? The basic guidelines regarding safe handling of electricity documented below will help you while working with electricity. Don't forget that water and electricity don't get along, so make sure to unplug anything electric before cleaning. It ensures their operational viability and prevents fluctuations in the production process. Most of these incidents are due to workers not checking for the absence of voltage â or other oversights â before attempting to perform maintenance on the equipment. Photo Credit: Andrew Barna, flickr (CC). The evolving nature of many industries is calling out for better equipment maintenance practices. When electrical equipment fails, particularly protective devices like circuit breakers or relays, there is usually subsequent damage to other components in the system. Materials Requirement Planning (MRP) a. But like many simple ideas, it can be challenging to make it a reality. Use only tools and equipment with non-conducting handles when working on electrical devices. The plan must address monthly visual inspection of equipment by staff for apparent defects; adhering ⦠Personnel should be properly qualified before cleaning electrical equipment. Maintenance management of mechanical equipment includes repair, replacement and servicing of tools. If dirt interferes with a certain component, an entire production line can be shut down until the problem is identified. Primary Current Injection instantenous Pickup. 5 You can then focus on low-priority items that require less effort. Sharpen your skills with our collection of quizzes on electrical safety, maintenance & testing of electrical equipment and industry standards. 1320. Being prepared for ⦠Don't use waste rags when cleaning electrical equipment because lint will adhere to the insulation, acting as a further dirt-collecting agent, which can cause tracking. Then push a coil cleaning brush (sold at home centers) into the coils, pull it back and vacuum it clean. Terms of Use Machine & Equipment Hazardss. All cables are to be held firmly in place in truncking or suitable brackets with cable ties. ... All electrical test equipment shall conform to the following requirements, outlined in ANSI/NETA MTS-2011. © National Fire Protection Association (NFPA) 2020. Clean out the Dust To make sure that your electric tools are ready to go when you are, keep them clean and free of dust. Electrical equipment should be kept clean for maximum efficiency and service longevity. NFPA 70E mandates the employer's electrical safety program include consideration for condition of maintenance of electrical equipment and systems. Electricity and water make a dangerous combination, so always keep electrical equipment away from rain and water. Electrical equipment might require cleaning by nonconductive sandblasting. Gel batteries donât require maintenance. Electrical Preventive Maintenance (EPM) is the prac- tice of conducting routine inspections, tests, and the servicing of electrical equipment so that impending troubles can be detected and reduced, or eliminated. 6. Electrical installations: inspection and maintenance Electrical installations: inspection and maintenance Standard EN/IEC 60079-17 covers factors directly related to the inspection and maintenance of electrical installations within hazardous areas only, where the hazard may be caused by flammable gases, vapours, mists, dusts, fibers or flyings. You never know. On many fridges, you get to the coils by removing the front grille. Insulation should be tested to determine whether it has been properly reconditioned before re-energizing equipment. Cleaning, exercising, lubricating, relay testing and breaker testing are conducted during a de-energized state. Sufficient dry time is required when using liquid solvents or water to clean electrical equipment. When mopping, keep the mop bucket as far as practical from the switchgear to prevent damage from spillage. 1. Neglecting the maintenance of electrical equipment over a long period of time will inevitably lead to costly emergency repairs and equipment failures in addition to elevated safety and property risks. Check power cords, switches and connections for exposed wires or broken parts. Simply remove the debris from the brushes to minimize further maintenance problems. Photo Credit: Wickens Dry Ice Blasting. All personnel operating, inspecting, servicing or cleaning this equipment must be properly trained in operation and machine safety. Then push a coil cleaning brush (sold at home centers) into the coils, pull it back and vacuum it clean. Where dirt cannot be removed by wiping or vacuuming, compressed air blowing might be necessary. Retaining records of maintenance/service conducted. As with any internal combustion engine, proper maintenance is essential. Key among these documents and references, which are listed in the sidebar on Page 50, are information from the Centers for Medicare & Medicaid Services (CMS), the American Society for Healthcare Engineering (ASHE) and the National Fire Protection Association (NFPA), among others. Consider an EPM program â before a costly failure occurs. Most of these incidents are due to workers not checking for the absence of voltage â or other oversights â before attempting to perform maintenance on the equipment. 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