CB11 Stack-On Toolholder Conversion Easy as 1, 2, 3 Convert your OEM drum to a quickchange taper sleeve system and leave the torque wrench behind! Advantages Single piece replacement part for either 20mm or 22mm conicals Hardfacing on block and sleeve Short sleeve bore with relief cone Corrosion-resistant compression retainer No bolts requiring tapping, torquing, and re-torquing Quick field repairs/maintenance to return drum to original pattern L onger wear life in deep cutting conditions E asy bit access and cleaning Does not require anti-seize; Consistent extraction force over time Save time and money

Step-by-step instructions to convert WIRTGEN® HT11 cutting system: > 1 > 2 >• 3 Start with OEM Base Blocks as pedestals for the stack-on. • Remove bolt-retained toolholders. Clean top surface and bit access notch. CB11 Adapter Block — Weld-on block converts drum to a no-bolt, quick-change system. • Use alignment tool to center adapter block with the base block. Clamp or tack weld adapter block into place. Remove alignment tool. Root and cover weld according to accepted welding procedures (reference Kennametal ‘Recommended Welding’ guidelines if unsure). Repeat process for each base to be converted....