AT THE START OF THE SHIFT, THE PREP PLANT WAS STARTED & AN ATTEMPT WAS MADE TO START THE REFUSE BELTS. THE NO.1 REFUSE BELT SHOWED A HIGH AMPERAGE READING WHEN ATTEMPTING TO START IT, SO THE F OREMAN, PLANT ELECTRICIAN & A MECHANIC WENT TO THE NO.1 TAILPIECE & FOUND THAT SOME BOLTS HAD BROKEN OUT OF THE FEEDER FRO THE BELT AND ALLOWED REFUSE FINES TO ACCUMULATE AROUND THE BELT TAIL