Do periodical service for engine, hydraulic parts, electric parts, and mechanical parts.Do preventive maintenance such as Daily check.Routine measurement for several cases.Perform troubleshooting (Engine, Hydraulic, and Electric).Download and analyse data from data loger unit to find the problem earlier and find the preventivesolution.Make Technical Report (Information and Service) for every trouble found.As a front liner, give a full guidance for customer in special work like component overhauling, based on Standart Operating Procedure.Build a communication with customer to facilitate they need for a work such as Making of Part Recommendation List.Deliver knowledge about general information, operating principle, and Safe work practice for removing/installing of major components.