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Edit by Dave Ogles

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[title] Introduction
[* 9] The Bear X-Ends and Bear Extruder are matched to each other and cannot be used separately. As a unit, they are completely compatible with stock Prusa MK2.5S, MK3S and Bear Full Upgrades
-[* 10] If you are upgrading an existing Original Prusa or clone, you need to first disassemble the x-axis and extruder. Save all the parts as some will be reused. Check the smooth rods for wear or damage. Now is a good time to replace worn rods and linear bearings, or re-lubricate as required.
+[* 10] If you are upgrading an existing Original Prusa or clone, you need to first disassemble the x-axis and extruder. Save all the parts as some will be reused. Check the smooth rods for wear or damage. Now is a good time to replace worn rods and linear bearings, or re-lubricate if required.
[* 10] To save time later, check all of the printed parts. Check that screw holes are clear, to allow the screws to slide in without excessive force. Once the electrical components have been added, you don’t want to be struggling with a tight screw which increases the risk of damaging a wire.