Preventive and breakdown maintenance of Heavy Earthmoving Mining Machinery (Dumptruck, Bull Dozer, Wheel Loader, Motor Grader). Day to day coverage of production line equipments, including rapid response on broken equipment to minimize downtime and maximize productivity. Overhauling of machine components after scheduled interval like Engine, Transmission and Brake assembly overhauling. Keeping daily job records, maintaining machine availability check sheets, making service reports and shift performance report.