23430 HEAVY EQUIPMENT MECHANIC
Analyzes malfunctions and repairs, rebuilds and maintains power
equipment, such as cranes, power shovels, scrapers, paving machines, motor
graders, trench-digging machines, conveyors, bulldozers, dredges, pumps,
compressors and pneumatic tools. Operates and inspects machines or
equipment to diagnose defects. Dismantles and reassembles equipment, using
hoists and hand tools. Examines parts for damage or excessive wear, using
micrometers and gauges. Replaces defective engines and subassemblies, such
as transmissions. Tests overhauled equipment to insure operating
efficiency. Welds broken parts and structural members. May direct workers
engaged in cleaning parts and assisting with assembly and disassembly of
equipment. May repair, adjust and maintain mining machinery, such as
stripping and loading shovels, drilling and cutting machines, and
continuous mining machines.
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