*Outline
This course learns practical points on the working and safety management, as well as acquiring skilled working knowledge, such as overhaul of mechanical seals and setting of shaft sealing part, through overhaul of shaft sealing part of Secondary System Main Circulation Pump.

*Lecture
- Purpose of System, Structure of Main Parts

*Training
- Preliminary Work
- Measurement of each Part (Centering, Runout, Clearance between each Part, etc.)
- Removal of Mechanical Seal
- Overhaul of Mechanical Seal, Care
- Setting up of Mechanical Seal
- Cleaning of Vapor Barrier at Installation Part
- Installation of Mechanical Seal
- Final Inspection, Clearing up