Putting a Ball or SAG Mill on Care and Maintenance 911 Metallurgist
You get a jacking cradle that fits under each end of the shell near to the trunnions and then some big jacks. You jack up the (emptied) mill and then drop some solid packers in place before letting the jacks back down. >200 T Hydraulic Jack. Enerpac are one manufacturer of large heavyduty hydraulic jacks.