Warning!

• Disconnect the engraver from power before lubricating the threaded rod.
• Do not use abrasive or caustic chemicals.
• While lubricating, check the condition of the rod. See if it is loose, worn, or misaligned. If needed, replace it with an identical one.

Schedule: Monthly/Bi-monthly

Tools Needed:

• Cotton cloth
• Alley keys set

Step 1: Disconnect the engraver from the power source.

Step 2: Use alley keys of the correct size, remove the bolts fastening the height adjustment knob and the top of the support column.

Step 3: Remove the top of the column.

Step 4: Wipe off any debris or grime from the threaded rod.

Step 5: Replace and refasten the top with the bolts.

Step 6: Wind the knob to move the laser head along its full range of motion, distributing the grease along the threaded rod.