Job purpose

The employee performs a full range of maintenance, repair, and service activities on construction and mining machinery.  The employee uses considerable independent judgment in making decisions without the availability of supervision.

Duties and responsibilities

• Diagnoses, services and repairs various systems that are found on pieces of heavy equipment such as mechanical and computer electronic controls, transmissions, computer controlled automatic transmissions and pneumatic systems.
• Troubleshoots malfunctions in the equipment and repair.
• Repairs and services track drive sprockets, rails, idler wheels, hand bars, track adjusters, hydraulic, reversers, final drives, brake bands, steering clutches, and hydrostatic transmissions.
• Service, diagnoses, repairs and maintains speed tandem drive axles with air or electric shift, hydrostatic driven, heavy-duty multi-axle suspensions.
• Tunes diesel engines, services valves, fuel filters and turbo chargers, and pressure checks fuel filters, adjust injector heights, fuel racks, governors, etc.
• Diagnoses problems, disassembles units, repairs or replaces parts, and reassembles units in the cooling, drive, brake, electrical, steering, heating, and air conditioning, hydraulic and air systems.
• Overhauls engines, replaces engines and rebuilds components
• Keeps tools, equipment, and work area clean, organized and in good working condition.
• May assist in training lower-level workers in mechanical repair techniques.
• Perform related work as assigned.