EES WERE INSTALLING TOGGLE BEAM IN HTE JAW CRUSHER, THE BEAM HAD BEEN INSTALLED AND ADJUSTMENTS WERE BEING MADE. THE BEAM IS HELD IN PLACE BY HYDRAULIC CYLINDERS. THE BEAM STOPPED MOVING AND E E WAS LOOKING TO SEE IF CLEARANCE WAS AVAILABLE. HE HAD HIS HAND ON THE CYLINDER WHEN THE BACK END BLEW APART SNAPPING THE CYLINDER FORWARD AND PINCHING HIS LEFT INDEX FINGER CRUSHING THE END