On 11/4/14 EE reported that on 10/30/14 he had a hard time lifting the cover for crusher 4 hydraulic controls that was covered with material. Several days later he noticed a lump by his belly button and went to see a doctor on 11/4/14. His doctor referred him to a specialist, on 11/17/14 diagnosis of hernia confirmed. No lost time on this injury as of yet.