FAN BELTS WERE INSTALLED ON THE COMPRESSOR FOR THE ON A BROOKVILLE MOTOR. THE FAN BELT HAD A TWIST IN IT AFTER INSTALLATION. THE VICTIM WAS NOT INVOLVED IN THE INSTALLATION OF THE BELTS, BUT W ANTED TO FIX THE TWIST. AT THIS TIME THE MOTORMAN SET THE BREAKER ON THE MOTOR. THE VICTIM REACHED FOR THE BELT AS THE BREAKER WAS SET. COMPRESSOR STARTED HAND WAS CAUGHT BETWEEN BELT & PULLE