WHILE DUMPING CLAY INTO THE CRUSHER BUILDING, EE HEARD THE CRUSHER MAKING AN UNUSUAL NOISE. THEY DETERMINED THAT THE SHAFT WAS PERIODICALLY LOCKING UP. HE & A CO-WORKER TRIED TO LOOSEN THE SHA FT WITH A PRY BAR BUT IT SLIPPED & HE FELL BACK INTO THE GUARD RAIL OF #4 BELT HITTING HIS RIGHT HIP. HE RECEIVED A BAD BRUISE, WAS GIVEN A MUSCLE RELAXER BUT WAS UNABLE TO RETURN THE NEXT DA