THE PACKING ON LAWRENCE INJECTION PUMP WAS BLOWN. IN AN ATTEMPT TO TIGHTEN THE PACKING WITH THE PUMPS ON LINE, CANVAS COVERS WERE PLACED OVER THE BEARING HOUSING TO BLOCK THE SPRAYING OF SLURR Y. THE ATTEMP FAILED SO THE CREW SWITCHED ON LAWRENCE PUMPS 1/3. DURING CLEAN UP AROUND PUMP 4, EE WAS PULLING THE CANVAS COVERS FROM THE BEARING HOUSING. AS THE COVER CAME DOWN, A POCKET OF