Before water is infused, it shall be confirmed that the inner repair work of the condenser is finished and the vacuum meter under the infusing water level has been removed, the temporary support has been installed for the condenser with supporting spring at the bottom in order to prevent spring stress overload, and then water can be infused. The water level generally shall be at 100 mm under the gland sealing bore, the infusing water will be chemical water or clarified water.(js)