Bit holder insertion and extraction system

An insertion system for inserting a slotted shank bit holder into a base block, comprising:

• a hydraulic cylinder comprising a hydraulic cylinder piston rod extending from a forward end of the hydraulic cylinder to a distal end of the hydraulic cylinder, the hydraulic cylinder adapted to be mounted on a forward end of the bit holder;
• an end cover comprising a bore, the end cover is mountable on a rear external face of the base block;
• a bolt axially extending completely through the hydraulic cylinder piston rod, a bore of the bit holder, a bore of the base block, and the bore of the end cover, the bolt comprising external threading adjacent a distal end of the bolt;
• the bore of the end cover extending from a front face of the end cover to the rear face of the end cover, the bore of the end cover adapted to receive the distal end of the bolt;
• and
• the bore of the end cover comprises a tapered forward segment adjacent the front face of the end cover, a generally semi-cylindrical middle segment adjacent the tapered forward segment, and a generally cylindrical distal segment adjacent the generally cylindrical middle segment.

An insertion system for inserting a bit holder onto a base block, comprising:

• a hydraulic cylinder comprising a piston extendable from a forward end of the hydraulic cylinder, the hydraulic cylinder mountable on a forward portion of the bit holder;
• an end cover adapted to be mountable on a rear external face of the base block;
• said hydraulic cylinder and said end cover each comprising a bore extending therethrough, said bores adapted to be alignable with at least one of the bit holder bore of the bit holder and a base block bore of the base block;
• a shank comprising at least one of a radially enlarged end of the shank and a threaded portion adjacent an opposing end of the shank, the shank comprising a bolt that includes an enlarged head at one end and a nut mountable on an opposing end of said shank, said shank adapted to be extendable through at least one of the bit holder bore and the base block bore.