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