Inspect, operate, or test machinery or equipment to diagnose machine malfunctions. Dismantle machines, equipment, or devices to access and remove defective parts, using hand tools or power tools. 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. Repair machines, equipment, or structures using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical testing devices. Assemble, install, or repair wiring, electrical, or electronic components, pipe systems, plumbing, machinery, or equipment. Adjust functional parts of devices or control instruments, using hand tools, levels, plumb bobs, or straightedges. Order parts, supplies, or equipment from catalogs or suppliers. Plan and layout repair works, using diagrams, drawings, blueprints, maintenance manual, or schematic diagrams. Perform general cleaning duties of buildings or properties. Paint or repair roofs, windows, doors, floors, woodwork, plaster, drywall, or other parts of building structures. Operate cutting torches or welding equipment to cut or join metal parts. Record type and cost of maintenance or repair work. Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools. Fabricate or repair counters, benches, partitions, or other wooden structures. Position, attach or blow insulating materials to prevent energy losses from buildings, pipes, or other structures or objects. Estimate costs to repair machinery, equipment, or building structures. Grind and re-seat valves, using valve-grinding machines.
