Troubleshooting, adjusting, and replacing AC and DC electrical equipment such as batteries, control stations, fuses, motor starters, relays, switches, timers, servo driven equipment, photo electrical devices, transducers, Variable Frequency Drives (VFD’s) and encoders . Inspecting, troubleshooting, repairing, and/or replacing mechanical components such as motors, reducers, drive chains, sprockets, sheaves, pulleys, rollers, conveyor belts, bearings, and transfer plates .