o Maintain or repair generators located in cafeterias, laundries, hospitals, stores, offices, or factories. o Servicing, repairing, adjusting, and testing machines, devices, moving parts, and equipment that operate primarily on the basis of mechanical (not electronic) principles. o Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, or parts catalogs, as necessary. o Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools. o Clean or lubricate shafts, bearings, gears, or other parts of machinery. o Repair machines, equipment, or structures, using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical or electronic testing devices. Duties include inspecting and testing equipment to identify issues, performing routine maintenance such as checking fluid levels, replacing filters and belts, and making repairs as needed. The worker will maintain and repair machineries and equipment such as motors, pumps, fans, and generator units using hand tools, power tools, and diagnostic devices like multimeters. The job requires mechanical and electrical repair skills and following proper safety procedures. Inspect, operate, or test machinery or equipment to diagnose machine malfunctions. Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions. Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, or parts catalogs, as necessary.