EMPLOYEE WAS ATTEMPTING TO REPOSITION A ""HANDING"" BELT CONVEYOR ON THE SAND PLANT BY PULLING ON AN ATTACHED ROPE; HE STRAINED HIS LOWER BACK AND SOUGHT IMMEDIATE MEDICAL ATTENTION FROM CHIROPR ACTOR FOR SEVERE PAIN. A SPIRAL MANIPULATION WAS ADMINISTERED BY DOCTOR TO RELIEVE PAIN; EMPLOYEE WAS ADVISED TO STAY HOME FROM WORK AT LEAST ONE DAY TO AVOID RE-AGGRAVATION OF INJURY.