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 and see if it is loose, worn, or misaligned. If needed, replace it with an identical one.

Schedule: Monthly/Bi-monthly

Tools Needed:

• Cotton cloth
• White lithium grease
• Alley keys set

Step 1: Disconnect the engraver from power.

Step 2: Using 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: Remove the two tiny bolts securing the left vertical panel of the support column.

Step 5: Slide the panel away to expose the threaded rod.

Step 6: Wipe off any debris or grime from the rod.

Step 7: Replace and refasten the left panel, top, and knob with the bolts.

Step 8: Wind the knob to move the laser head along its full range of motion, distributing the grease along the threaded rod.