Parts needed for this step:
• x1 - M3x20mm socket head screw
• x1 - Z-Endstop (Max)
Z-Min (top) switch removal
• Use an 7mm (or adjustable) wrench to loosen the jam nut
underneath the Z-stage
• Remove the old Z-adjustment screw by hand
Z-Max (bottom) switch installation
• Snap the new Z-endstop bracket onto the far smooth Z-rod
•
Slide the Z-endstop bracket to the bottom of the printer
• Rotate it so the lever arm is pointed at the front smooth Z-rod
• Insert the (x1)
M3x20mm
into the Z-end endstop bracket
• Tighten the screw into the lock nut with a 2.5mm allen
wrench
Plugging in the Z-max (bottom) switch cable
• Slightly open the enclosure and then unplug both the case fan
and SD card reader cables
•
Pivot the enclosure to rest it on its left side
(The bed will need to be lifted to do this)
• Plug the new Z-endstop into the Z-max endstop port on the
RAMBo board
• Plug the SD card reader cable back in
• Secure the electronics enclosure
Step 5: Replace the Z-endstop switch
7
RAMBo board wiring: