The project concerns the maintenance of the light hole plugs air exchangers installation of specialpurpose plugs and Gaskets. Activities are the followings:

• Mouving out installed plugs;
• Making the same thread size;
• Spot facing of the seal seat;
• Mounting of special plugs and gaskets ASG and ASP, after the application of sealant GTL lubricatingpaste
• Plug tensioning by hydraulic torques.