EE WAS PREPARING TO PERFORM ROUTINE MAINTENANCE ON MILLER BOBCAT WELDER. THERE WAS OTHER EQUIPMENT AROUND AND EE WAS ATTEMPTING TO DRAG THE WELDER AROUND FOR BETTER ACCESS. WHEN HE PULLED ON T HE WELDER HE FELT A BURNING SENSATION IN THE GROIN AREA. EE WAS SEEN BY COMPANY DOCTOR & REFERRED TO SURGEON. EE HAD SURGERY ON 4-13 AND RETURNED TO WORK HIS NEXT SCHEDULED DAY OF 4-16.