Lubricate the Ultimaker 3 lead screw

The lead screw is connected to the Z motor and controls the movements of the Z stage. To ensure smooth movement of the Z stage, it is recommended to periodically re-apply grease to the lead screw.

A tube of grease was included in the accessory box of your Ultimaker 3 or Ultimaker 3 Extended.

Caution: Before you start, turn off the printer or ensure it is disabled in the Ultimaker Digital Factory to prevent new print jobs from starting remotely.

  1. Make sure that the build plate is positioned at the bottom of the Ultimaker 3.
  2. For the best results, first, wipe off as much of the old grease as possible. Dust and other particles may have accumulated in the grease. Use a cloth or paper towel.
  3. Apply a small amount of new grease to the lead screw of the Z motor.
  4. Move the build plate up and down to evenly distribute the grease. This can be done manually, or via the menu.


Note: Never use the grease on the smooth axles of the Ultimaker 3. This will affect the performance of your printer. If you have done so accidentally, make sure to thoroughly clean the shafts before applying the oil for relubrication.

Tip: The image above shows Magnalube grease, which has a green color. Ultimaker recently switched to a different brand of grease (Eurol). Both grease types can be used for maintenance of your Ultimaker 3 or Ultimaker 3 Extended. When switching between grease types, it is recommended to clean the lead screw first, as described in step 2 of the instructions above.

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