EE WAS PUTTING A RADIATOR IN THE BACK OF A TRUCK. THE RADIATOR WAS HOOKED TO A BOOM. WHILE SWINGING THE RADIATOR OVER & HOLDING ON TO THE RADIA TOR, HE FELT A PULL IN HIS LEFT ARM. EE DENIED M EDICAL TREATMENT AT THE TIME OF THIS INCIDENT & RETURNED TO HIS REGULAR JOB IMMEDIATELY. EE SOUGHT MEDICAL TREATMENT ON HIS OWN AT A LATER DATE & IT NOW REQUIRES SURGERY, SCHEDULED FOR 3-16-0