This guide will demonstrate how to replace your ball screw on Titan and Fusion machines. The ball screw is what the Z axis travels on to move up and down.
FOR YOUR SAFETY: YOU MUST DO THE FOLLOWING TO KEEP THE RISE AND FALL FROM SLIDING OFF OF THE RAILS DURING THE NEXT STEPS
DO NOT TRY TO JACK IT UP AS YOU CAN CAUSE FURTHER DAMAGE.
NEXT WE ARE GOING TO WORK AT THE TOP OF THE MACHINE.
DO NOT TIGHTEN THEM YET
DO NOT TIGHTEN THEM YET.
32. Next check and adjust if needed, the tool rack height.
33. Run a test piece and check that the profile looks correct, if any adjustment is needed do this by adjusting the spindle to table height only. Do Not adjust each tool
Source: MaintainX (Community Member)