# Tasks & work activities — motor vehicle parts assembler Source: O*NET 30.3, occupation 49-3043.00 (Rail Car Repairers) — manual nearest-occupation mapping via ISCO group 8211; the official ESCO crosswalk has no entry for this ESCO occupation. ## Task statements - **[Core]** Examine car roofs for wear and damage, and repair defective sections, using roofing material, cement, nails, and waterproof paint. - **[Core]** Paint car exteriors, interiors, and fixtures. - **[Supplemental]** Repair car upholstery. - **[Supplemental]** Repair window sash frames, attach weather stripping and channels to frames, and replace window glass, using hand tools. - **[Core]** Repair or replace defective or worn parts such as bearings, pistons, and gears, using hand tools, torque wrenches, power tools, and welding equipment. - **[Core]** Test units for operability before and after repairs. - **[Core]** Record conditions of cars, and repair and maintenance work performed or to be performed. - **[Core]** Remove locomotives, car mechanical units, or other components, using pneumatic hoists and jacks, pinch bars, hand tools, and cutting torches. - **[Core]** Inspect components such as bearings, seals, gaskets, wheels, and coupler assemblies to determine if repairs are needed. - **[Core]** Inspect the interior and exterior of rail cars coming into rail yards to identify defects and to determine the extent of wear and damage. - **[Core]** Adjust repaired or replaced units as needed to ensure proper operation. - **[Core]** Perform scheduled maintenance, and clean units and components. - **[Core]** Repair, fabricate, and install steel or wood fittings, using blueprints, shop sketches, and instruction manuals. - **[Supplemental]** Repair and maintain electrical and electronic controls for propulsion and braking systems. - **[Supplemental]** Disassemble units such as water pumps, control valves, and compressors so that repairs can be made. - **[Supplemental]** Measure diameters of axle wheel seats, using micrometers, and mark dimensions on axles so that wheels can be bored to specified dimensions. - **[Supplemental]** Align car sides for installation of car ends and crossties, using width gauges, turnbuckles, and wrenches. - **[Supplemental]** Replace defective wiring and insulation, and tighten electrical connections, using hand tools. - **[Supplemental]** Test electrical systems of cars by operating systems and using testing equipment such as ammeters. - **[Supplemental]** Install and repair interior flooring, fixtures, walls, plumbing, steps, and platforms. ## Detailed work activities - Adjust equipment to ensure optimal performance. - Align equipment or machinery. - Clean equipment, parts, or tools to repair or maintain them in good working order. - Disassemble equipment for maintenance or repair. - Fabricate parts or components. - Inspect completed work to ensure proper functioning. - Inspect mechanical components of vehicles to identify problems. - Inspect structural components of vehicles to identify problems. - Inspect vehicles to determine overall condition. - Install hardware or other interior fixtures. - Install vehicle parts or accessories. - Maintain repair or maintenance records. - Measure distances or dimensions. - Paint surfaces or equipment. - Remove parts or components from equipment. - Repair electronic equipment. - Repair non-engine automotive or vehicle components. - Repair structural components. - Repair worn, damaged, or defective mechanical parts. - Replace vehicle glass. - Replace worn, damaged, or defective mechanical parts. - Rewire electrical or electronic systems. - Seal gaps or cracks to prevent leakage or moisture intrusion. - Service vehicles to maintain functionality. - Test electrical equipment or systems to ensure proper functioning.