Occupation information for

Diagnose, adjust, repair, or overhaul mobile mechanical, hydraulic, and pneumatic equipment, such as cranes, bulldozers, graders, and conveyors, used in construction, logging, and surface mining.

Currently Employed: 2,283

Yearly Projected Openings: 100

Typical Hourly Wage: $21.08 - $28.56

Typical Annual Salary: $43,900 - $59,400

• Repair and replace damaged or worn parts.
• Dismantle and reassemble heavy equipment using hoists and hand tools.
• Operate and inspect machines or heavy equipment to diagnose defects.
• Test mechanical products and equipment after repair or assembly to ensure proper performance and compliance with manufacturers' specifications.
• Clean, lubricate, and perform other routine maintenance work on equipment and vehicles.
• Read and understand operating manuals, blueprints, and technical drawings.
• Overhaul and test machines or equipment to ensure operating efficiency.
• Fit bearings to adjust, repair, or overhaul mobile mechanical, hydraulic, and pneumatic equipment.
• Diagnose faults or malfunctions to determine required repairs, using engine diagnostic equipment such as computerized test equipment and calibration devices.
• Examine parts for damage or excessive wear, using micrometers and gauges.

• Gas welding or brazing or cutting apparatus
• Locking pliers
• Punches or nail sets or drifts
• Screwdrivers
• Specialty wrenches

• Data base user interface and query software
• Facilities management software