Mechanic III

Summary

Diagnose, adjust, repair, or overhaul trucks, buses, construction equipment, and all types of diesel engines.

• Use hand tools such as screwdrivers, pliers, wrenches, pressure gauges, and precision instruments, as well as power tools such as pneumatic wrenches, lathes, hammers, welding equipment, and jacks and hoists.
• Practice safe hoisting and jacking techniques and safe use and disposal of solvents.
• Using micrometers and gauges, inspect brake systems, steering mechanisms, wheel bearings, and other important parts to examine parts for damage or excessive wear; replace parts as needed.
• Replace defective engines or subassemblies, such as transmissions.
• 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, buses, and overhauled equipment to diagnose malfunctions and ensure operating efficiency.
• Examine and adjust protective guards, loose bolts, and specified safety devices.
• Weld broken parts and structural members.
• 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.
• Responsible for observing and complying with all safety and project rules, including wearing required personal safety equipment.
• Repair and maintain diesel engines used to power machines such as construction machinery, generators, buses, dump trucks, off‑road dump trucks, and cranes, using hand tools, precision measuring instruments, computer diagnostics, and machine tools.
• Diagnose trouble, disassemble engines, and examine parts for defects and excessive wear.
• Recondition and replace parts such as pistons, bearings, gears, valves, and bushings using hand tools, boreing machines, and precision measuring instruments.
• May weld and cut parts using arc welding and flame cutting equipment.
• Responsible for observing and complying with all company safety regulations and industry standards.
• Performs other duties as required.