EE WAS REMOVING ALLEN HEAD BOLT FROM DOWN IN SEPERATOR GEAR HOUSING WITH ALLEN WRENCH. HE DIDN'T REALIZE THAT THE BACK OF HIS HAND WAS RESTING ON THE SHARP EDGE ON THE HOUSING (NOT WEARING GLO VES) AND WHEN THE BOLT BROKE LOOSE THE BACK OF HIS HAND WAS CUT BY THE SHARP EDGE. LACERATION REQUIRED 3 SUTURES.