# Tasks & work activities — vessel engine inspector

Source: O*NET 30.3, occupation 49-3031.00 (Bus and Truck Mechanics and Diesel Engine Specialists) — manual nearest-occupation mapping via ISCO group 3115; the official ESCO crosswalk has no entry for this ESCO occupation.

## Task statements

- **[Core]** Diagnose and repair vehicle heating and cooling systems.
- **[Core]** Adjust or repair computer controlled exhaust emissions devices.
- **[Supplemental]** Follow green operational practices involving conservation of water or energy or reduction of solid waste.
- **[Core]** Maintain or repair vehicles with alternative fuel systems, including biodiesel, hybrid, or compressed natural gas vehicles.
- **[Supplemental]** Measure vehicle emissions to determine whether they are within acceptable limits.
- **[Core]** Install or repair accessories.
- **[Core]** Repair or adjust seats, doors, or windows.
- **[Core]** Dismount, mount, and repair or replace tires.
- **[Core]** Use handtools, such as screwdrivers, pliers, wrenches, pressure gauges, or precision instruments, as well as power tools, such as pneumatic wrenches, lathes, welding equipment, or jacks and hoists.
- **[Core]** Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
- **[Core]** Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
- **[Core]** Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
- **[Core]** Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.
- **[Core]** Test drive trucks and buses to diagnose malfunctions or to ensure that they are working properly.
- **[Core]** Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.
- **[Core]** Examine and adjust protective guards, loose bolts, and specified safety devices.
- **[Core]** Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.
- **[Core]** Specialize in repairing and maintaining parts of the engine, such as fuel injection systems.
- **[Core]** Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
- **[Core]** Rewire ignition systems, lights, and instrument panels.
- **[Core]** Recondition and replace parts, pistons, bearings, gears, and valves.
- **[Core]** Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.
- **[Core]** Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
- **[Core]** Rebuild gas or diesel engines.
- **[Core]** Align front ends and suspension systems.
- **[Supplemental]** Operate valve-grinding machines to grind and reset valves.

## Detailed work activities

- Adjust equipment to ensure optimal performance.
- Adjust vehicle components according to specifications.
- Align equipment or machinery.
- Dismantle heavy equipment or machinery.
- Grind parts to required dimensions.
- Inspect mechanical components of vehicles to identify problems.
- Install vehicle parts or accessories.
- Lubricate equipment to allow proper functioning.
- Measure distances or dimensions.
- Measure equipment outputs.
- Monitor resources.
- Observe equipment in operation to detect potential problems.
- Operate cranes, hoists, or other moving or lifting equipment.
- Operate transportation equipment to demonstrate function or malfunction.
- Rebuild parts or components.
- Repair defective engines or engine components.
- Repair non-engine automotive or vehicle components.
- Repair tires.
- Replace worn, damaged, or defective mechanical parts.
- Rewire electrical or electronic systems.
- Select tools, equipment, or technologies for use in operations or projects.
- Service green vehicles to make repairs or maintain good working order.
- Service vehicles to maintain functionality.
- Test mechanical equipment to ensure proper functioning.
- Troubleshoot equipment or systems operation problems.