Installing Lower Z-Limit Switch(IN PROGRESS) This guide will install the Z-Limit switch on the lower part of your Gigabot. This limit switch will allow protection to overextension of the z-axis and protection of bottoming out the bed.Chris GertyNo estimateModerateGigabot2014-11-25T21:19:25-07:00This guide is currently being written. Reload periodically to see the latest changes.This guide needs more images to properly convey the procedure being described.This procedure is to install the Z-limit switch on a fully assembled Gigabot.
11110#11161a0170294060910Remove leveling block on the back left side of the bed, by removing two M5x12 screws that attach to the left bed side plate.
11110#11161a017029406091Detach the leveling block from the bed side plate with the entire assembly intact (see photo). Set aside leveling block assembly.
11110#11161a0170294060910Replace the existing leveling block with the supplied Limit Switch Leveling Block (L-shaped version.
11110#11161a017029406091Ensure new assembly looks like photo.
11110#11161a0170294060910Install the M5x45 screw (lightly tighten).
11110#11161a017029406091Install the M5x12 screws as shown. Tighten.
11110#11161a017029406091Ensure the M5x45 is straight, then tighten against the bed rail.
11110#11161a0170294060910Place M5x45 screw into outer side of Limit Switch Leveling Block.
11110#11161a017029406091Ensure screw head is inserted from bottom, and nut is below leveling block.
11110#11161a0170294060910Install the Z-limit switch by placing the two M2 screws (from the outside) through the side plate, white spacer, limit switch, lock washers and nuts provided.
11110#11161a0170294060910Install small length of shallow panduit to bed side plate.
11110#11161a017029406091Connect the red wire to the middle of the limit switch.
11110#11161a017029406091Connect the black wire to the pivot end of the limit switch.
11110#11161a017029406091Note: Polarity of wiring does not matter for limit switches. The normally open circuit is closed when contact is made.
1010000#666666\e601917029406091Route wiring through installed panduit, existing panduit, and through an open grommet in the electrical box.
11110#11161a017029406091Connect red and black wires to the Z-max connectors on the Azteeg (red in middle of 3, and black on far right), as shown.
11110#11161a017029406091Note: Viki cables are not connected in photo. There is no need to disconnect Viki cables in this procedure.
1010000#666666\e601917029406091Close electrical box and panduit.
11110#11161a0170294060910(see wiki steps - Patrick to add?)
11110#11161a0170294060910Screw in M5x45 to its upmost position.
11110#11161a017029406091Use existing bed leveling procedure to bring bed to just above Z-motors.
11110#11161a017029406091Command Z-motors approximately 5mm up above Z motors.
11110#11161a017029406091Unscrew M5x45 so that it contacts and trips limit switch.
11110#11161a017029406091Home Z axis as per leveling procedure.
11110#11161a0170294060910<p>Have questions? Need help? Email support@re3d.org</p>2014-11-25T15:00:48-07:00