Patent ID: 8584336

Claim:
A method of removing a liner bolt having a head and a shank from an ore processing mill in which an interior sacrificial liner is bolted to a mill casing, the liner bolt passing through a pair of aligned through holes in the interior sacrificial liner and the mill casing with the head retained within the interior sacrificial liner, the method comprising the steps of: (a) if necessary, removing a nut exterior to the casing from the shank; (b) providing a tip of the shank with a blind bore which extends into the shank; (c) providing a seat extending around the bore at the tip; (d) providing an inertial tool having a projection shaped to mate with the bore, wherein the inertial tool comprises a hammer adaptor; (e) bringing the inertial tool into contact with the seat; (f) inter-engaging the bore and the projection; (g) providing the tool with at least one impulse directed in the direction from the tip towards the bolt head, to drive the bolt out of the casing, and (h) telescopically adjusting the length of the hammer adaptor.