The Heavy Mobile Equipment Repairer is responsible for troubleshooting, repairing, modifying, and maintaining a variety of heavy mobile equipment, including construction, industrial, combat, tactical, and powered support equipment. The role involves removing and repairing major systems or components of equipment, such as power packs, transmissions, gear reduction units, injector pumps, air conditioners, fuel pumps, and alternators. The technician will also make adjustments to idle speed, current, brake, and transmission linkages, perform inspections, conduct mechanical diagnostics, and provide technical assistance to unit personnel. Additionally, the position requires operating motor vehicles to fulfill job duties.