INJURED EMPLOYEE WAS LIFTING A 75 LB LINER PLATEINTO POSITION INSIDE THE PRIMARY CRUSHER. THE WITNESS USING A PINCH BAR TO ALIGN THE BOLT HOLES TO SECURE THE LINER. THE INJURED DID NOT REPORT THE ACCIDENT UNTIL 2/5/01 & MADE AN INITIAL DOCTOR VIST ON 2/6/01. THE COMPANY WAS UNAWARE OF ANY FURTHER VISITS UNTIL 2/21/01 WHICH MADE THIS INJURY REPORTABLE.