Hub pitch gear repair method

摘要

A method for repairing a hub pitch gear assembly (115). The method includes providing a ring assembly (137) for adjusting a pitch angle of a wind turbine blade (108) having a plurality of gear teeth (302). A segment of the ring assembly (115) is removed, the segment including at least a portion of at least one gear tooth (115), to form a repair cavity (303). A repair segment (301) configured to mate the repair cavity (303) is provided and the repair segment (301) is directed into the repair cavity (303) and fastened in position. A repaired pitch gear assembly (115) and wind turbine (100) are also disclosed.