EMPLOYEE REPORTED HE HAD LIFTED A CHOCK BLOCK FROM THE HOLDER ON THE FRONT OF A 85TON HAUL TRUCK TO PLACE IT UNDER THE WHEEL. HE CLAIMS HE FELT SOME PAIN IN AND AROUND HIS BELLY BUTTON & NOW HAS A HERNIA AS A RESULT OF THE CHOCK BLOCK.HE HAS NOT MISSED WORK UNTIL NOV.14. SURGERY TO REPAIR THE HERNIA AND WILL BE OFF FOR APPROX. 6 WKS. THE INJURY REPORTED TO SAFETY DEPT. 1MO.AFT