REMOTE REPAIRING APPARATUS OF STEAM GENERATOR

摘要

Apparatus that may be assembled inside the head of a steam generator and can perform various repair and inspection operations on the steam generator's tubes and tubesheet. Selective engagement of an included tool holder and associated tools with the tube and tubesheet is provided by a gear train which has a portion which houses a tool drive motor. The drive motor provides power to a tool holder-mounted tool chuck for driving the various tools insertable therein.