EE WAS ASSISTING IN THE REPAIR OF A DRAGLINE HOIST GEARING. THE HOIST PINION AND SHAFT HAD BEEN REMOVED FROM THE GEAR CASE IN ORDER TO PUT IN A GREASE SEAL THAT HAD BEEN LEFT OFF. THE SHAFT AN D PINION WERE LIFTED FROM THE CASE AND SET DOWN UON THE TOP OF THE PEDESTAL BASE WHILE THE GREASE SEAL WAS INSTALLED. EE WERE WORKING ON TOP OF THE HOIST GEARING.