Inspect, troubleshoot, and repair diesel engines and hydraulic systemsPerform routine and preventive maintenance on equipment and machineryDiagnose malfunctions in heavy equipment, vehicles, and hydraulic-powered toolsReplace, adjust, or fabricate parts as needed to restore proper functionMaintain accurate maintenance and service recordsRead and interpret technical manuals, schematics, and hydraulic diagramsPerform fluid checks, system pressure tests, and leak repairsOperate hand tools, diagnostic devices, ...