Disassembly and assembly with turbine noise enclosure instruments, Taking all measurements before disassembly of turbine and generator, Turbine rotor disassembly and assembly, Gas turbines rotor and stator maintenance, Turbine rotor chemical cleaning processes or sand blasting of blades with dry ice, Eye control and maintenance of combustion chambers, change of ceramics and nozzles (burner), Disassembly, maintenance and assembly of turbine valves, Hot-Gas Path maintenance, Fixed-moving wings change, Control and maintenance of turbine bearings, Crack tests, Compressor section maintenance, Air Intake section maintenance and filter changes, Turbine coupling adjustment, Oil tanks, oil pumps and oil heat exchangers maintenance, oil changes Maintenance of auxiliary systems Dismantling and installation of turbine insulation