1. Scrapes surface of graphitized electrodes to loosen particles of coke or encrusted insulating mixture, using scraping tool. 2. Wipes loose material from electrode, using steel wool, and places electrodes into cart for inspection.
1. Sets up and operates machines to perform machining operation, such as boring, threading, and turning on carbon electrodes according to production specifications: Installs specified drilling and threading tools in holders, using handtools. 2. Lifts and centers electrode in chuck of machine, using hoist. 3. Starts machine that automatically drills …
1. Tends electrode cleaning machine that scrapes excess carbon from baked or graphitized electrodes: Pushes machine, mounted on rails, to area where electrodes are stacked horizontally on racks and aligns machine with guide bars extending from rack. 2. Blocks wheels to prevent machine from rolling during cleaning process. 3. Moves …
1. Inspects and repairs electric and electronic organs: Plays organ to determine nature of malfunction. 2. Studies circuit diagrams and performs standard tests to locate mechanical, electrical, or electronic difficulties. 3. Replaces defective components and wiring and adjusts mechanical parts, using soldering equipment and handtools. 4. Aligns, adjusts, and calibrates …
1. Tends machine that heats and seals precut or predesigned plastic material or film to form book covers, eyeglass cases, baby pants, tubing, and other plastic-coated products: Moves controls on machine to adjust temperature, pressure, and time cycle. 2. Loads feeding mechanism with rolls of plastic material. 3. Aligns edges …
1. Assembles electric signs, mounts tubing, and connects electrical equipment to sign box: Fastens back of sign to precut metal frame to form sign box, using screws and screwdriver. 2. Fits precut glass, plexiglass, or plastic pane into bottom channel of metal frame. 3. Crimps frame channel to secure pane, …
1. Repairs electrical handtools and bench tools, such as drills, saws, grinders, and sanders, using lathe, circuit testers, handtools, and power tools: Tests motors, switches, and wiring for grounds, shorts, and loose connections, using electrical circuit testers. 2. Turns motor commutators, using bench lathe. 3. Repairs or replaces defective electrical …
1. Installs, inspects, and repairs electric-railway track switches, section lines, and intercommunication systems, following blueprints and work orders: Installs switch-controlling mechanism on trolley wire, using handtools. 2. Connects wiring to switch in track bed, and inspects electrical switch system to ascertain that system functions according to standards. 3. Maintains high …
1. Repairs electric motors, generators, and equipment, such as starting devices and switches, following schematic drawings, and using handtools, coil-winding machines, power tools, and test equipment: Disassembles and removes armature, stator, or rotor from housing. 2. Examines coil connections for broken or defective wiring. 3. Tests coils, armatures, stator, rotor, …
1. Assembles and tests electric motor and generator stators, armatures, or rotors: Inspects cores for defects and aligns laminations, using hammer and drift. 2. Files burrs from core slots, using hand file, portable power file, and scraper. 3. Lines slots with sheet insulation and inserts coils into slots. 4. Cuts, …
1. Fits together parts and subassemblies to build electric motors, generators, and gasoline engine-generator sets, using machinist’s tools, precision instruments, and following blueprints and specifications: Files and scrapes burrs from parts and cleans parts with solvent and compressed air. 2. Fits bearings to armature or rotor shafts, using Prussian blue …
1. Assembles electronic organ components: Wires, solders, and installs components, such as amplifier switches, keys, and pedals. 2. Performs standard tests to ensure conformance to standards.
1. Determines causes of failures in electric motors, following drawings and specifications and using handtools and electrical test meters: Dismantles motor, using handtools. 2. Examines bearings, brackets, and other parts for wear and damage. 3. Tests armature and stator for shorted, grounded, or broken wires, using electrical test meters. 4. …
1. Assembles subassemblies and parts of dynamotors, converters, and electric motors used in instruments, appliances, and power tools, performing any combination of following tasks, using power tools and handtools: Bolts field windings and brush holders into motor housings, using wrenches, screwdrivers, and holding fixtures. 2. Presses bushings and bearings into …
1. Assembles and adjusts repaired electric motors to meet specified ratings, using handtools and electrical meters: Cleans motor parts with gasoline. 2. Repairs or replaces damaged parts and assembles motor, using handtools. 3. Measures velocity, horsepower, and current consumption of motor, using electrical meters and mechanical testing devices. 4. Adjusts …
1. Cleans, assembles, and tests motors of locomotives and streetcars: Disassembles motors by removing bolts and nuts from motor case heads, fastening crane hook to case heads and armatures, and directing HOISTING ENGINEER to hoist parts from motor cases. 2. Routes armatures to repair shop. 3. Cleans case heads in …
1. Inspects, tests, and maintains substation electrical equipment, such as oil circuit breakers and transformers: Inspects and tests equipment to detect malfunctioning and determine resistance and load, using voltmeter and ammeter. 2. Tests insulators and bushings of equipment for power leakage by imposing specified voltage on insulation through testing apparatus …
1. Installs, disconnects, removes, and reconnects electric power meters used to record current consumption of residential, commercial, and industrial customers: Splices and connects covered insulated cable to bus bar in pull box or on switchboard. 2. Mounts meter, and other electric equipment for high load installations, such as time clocks, …
1. Installs electric watthour meters in preinstalled meter-connection boxes to connect service: Breaks seal on box previously connected to building wiring, using pliers, and tests box for current flow with test lamp. 2. Fits meter onto prongs extending from top of box and turns setscrews to secure prongs to meter, …
1. Inspects, adjusts, and repairs electric meters used for recording electric current consumption: Disassembles defective meters, using handtools. 2. Examines parts of meter for wear and detects warped or bent parts, using straightedge. 3. Soaks electric parts in chemical solutions to clean parts. 4. Removes dirt from other parts, using …
1. Tests accuracy of meters used for recording electric current consumption and makes necessary adjustments, using following methods: Connects meter to standard and adjusts standard’s dials to meter being tested. 2. Pushes switch and allows needle on standard to revolve specified number of turns or for clocked period. 3. Compares …
1. Installs and maintains electrical wiring and equipment, such as motors, generators, air-conditioning units, electrical outlets, and lighting fixtures of railroad locomotives and cars, streetcars, and subway coaches: Measures, cuts, threads, bends, assembles, and installs conduits that connect to control panels and junction boxes, using hacksaw, pipe benders, pipe-threading tools, …
1. Installs and repairs electrical systems, apparatus, and electrical and electronic components of industrial machinery and equipment, following electrical code, manuals, schematic diagrams, blueprints, and other specifications, using handtools, power tools, and electrical and electronic test equipment: Installs power supply wiring and conduit for newly installed machines and equipment, such …
1. Makes operating adjustments in submarine cable repeater and terminal circuits and apparatus, and rearranges connections in cables to maintain continuity of service. 2. Communicates with other cable stations, using manual telegraph.
