Adjusting the Gantry

Raising or Lowering the X-Axis Gantry

 

For greater clearance of the X-Axis Gantry to the T Slot Table surface, our engravers are equipped with Riser Block Spacers (Two 1 inch and Two 2 inch per side). In the stock configuration, none of the spacers are installed to raise the Gantry, they are simply stored above the Gantry on the DoveTail uprights. Installing Riser Block Spacers is a simple procedure, however, you may want to get a helper when actually 'raising' the Gantry, as it is not only heavy, but needs to be raised evenly on both of the DoveTail uprights.

 

To Raise the X-Axis Gantry:

  1. Loosen the Locking Thumb Screws for the Riser Block Spacers. When properly loosened, the bottoms of the Thumb Screws should be flush with the bottom side of the DoveTail Top Cap.

  2. Remove all 8 spacers (4 per side) from the DoveTail uprights and temporarily set them aside.

  3. Loosen the two center Locking Thumb Screws for the DoveTail Gib.

  4. Carefully raise the Gantry, by lifting up on its under side closest to the DoveTail uprights. It is important to raise the Gantry evenly, so now is a good time to find someone to help you. You will need to raise the Gantry slightly higher than the height of the chosen number of spacers (i.e. raise it approximately 1.5 inches for a single one inch spacer).

  5. With your free hand, place a Riser Block Spacer on the inner side of the DoveTail base, aligning the holes in the spacer with the steel dowel pins in the DoveTail base. If more than one spacer is installed, be sure to maintain alignment of the steel dowel pins to the holes in surrounding spacers/ DoveTail bases. Install the same amount of spacers to both left and right DoveTail bases. Properly installed spacers have the 'cross' member toward the inside of the engraver, and the steel dowel pins 'up'.

  6. Lower the X-Axis Gantry down onto the installed Riser Block Spacers.

  7. Install the remaining Riser Block Spacers back on the top portion of the DoveTail uprights (aligning of the steel dowel pins to the holes in surrounding spacers and the top DoveTail uprights).

  8. Tighten the Locking Thumb Screws for Riser Block Spacers, being sure to snug all four down evenly. This helps to maintain the structural integrity of the X-Axis Gantry. The bottom ends of these screws should end up in the dowel pin holes of the upper most spacer (or DoveTail upright, if ALL spacers were used to raise the Gantry) when properly installed.

  9. Tighten the two center Locking Thumb Screws for the DoveTail Gib.

 To Lower the X-Axis Gantry, perform the above steps, however, when you get to step 5, remove any installed spacers, and at step 6, lower the X-Axis Gantry back onto the DoveTail bases.