Lubricate, service, and maintain bearings; Demonstrate proper use and care of power transmission devices; Perform basic service and preventive maintenance on internal combustion engines; Perform cleanup and disassembly/reassembly of heavy equipment; Perform service and maintenance on hydraulic systems; Perform service and maintenance on cooling systems; Perform service and maintenance on brake systems; Perform inspections, service and maintenance on equipment; Perform service and maintenance on electrical devices and systems on heavy equipment; Perform service and maintenance on all cable and hydraulic lifting devices; Analyzes malfunctions and repairs, rebuilds and maintains construction equipment such as cranes, power shovels, scrapers, dozers, motor graders, paving machines, trench digging machines, conveyors, dredges, pumps, compressors, and pneumatic tools. Physical Demands: See hazards, safety warnings, and barriers; Bend knees for lifting and routine work tasks; Stoop for work positioning and lifting to perform work tasks; Lift maximum 50 lbs without assistance; Ability to comprehend, and respond to audible/visual instructions, alarms and warnings; Climb/balance on ladders, scaffolding, and structures for work tasks; Kneel for work positioning and work task performance; Reach above shoulders and away from body to perform work tasks; Demonstrate manual dexterity to perform work tasks.