While using a hose w/fire nozzle to wash gob away from belt drive, EE said he felt his wrist snap. He refused an ambulance & drove for an x-ray which was negative. He had surgery on the wrist in May & returned with restricted duty until 6/10/2010. He is scheduled for release by the end of July. NOTE: Safety Dept was not told of his surgery or light duty until 6/10/2010.