Applies to: Z4

Exchanging the cooling liquid and cleaning the cooling liquid tank

  1. Have ready:

    • Collecting container that can hold approx. 10 l

    • Cleaning brush

    • Water for cleaning the cooling liquid tank

    • Small cleaning brush

    • Carbon pellets and spare fine filter (optional)

    • A mild cleaning agent (optional)

  2. Make sure that sufficient cooling liquid is available.

  3. Close the working chamber door.
  4. Open the multi-purpose drawer.
  5. Grasp the cooling liquid tank at the positions marked in the following figure. Pull it out of the drawer in the direction indicated by the arrow.

    6. When you tilt the cooling liquid tank, the cover will not prevent the cooling liquid from leaking.

     

    Information on the disposal of cooling liquid and machining residues:

  6. Lift the cover, including the strainer basket, off the cooling liquid tank.

    7.  

  7. If there is cooling liquid in the tank:

    1. Empty the contents of the cooling liquid tank container into the collecting container.

    2. Remove the strainer basket by pushing it out of the cover from below.

    3. Clean the strainer basket:

      1. Tap out the strainer basket into the collecting container.

      2. While rinsing the strainer basket under running water, clean it thoroughly with the cleaning brush.

    4. If you want to clean the cooling liquid tank in the dishwasher, do the following:

      1. Make sure that the all disposal regulations for machining residues are always complied with.

      2. Select a cleaning program with a maximum temperature of 70 °C.

    5. If you want to clean the cooling liquid tank manually, do the following:

      1. Thoroughly clean the cooling liquid tank with the cleaning brush.

      2. Pour the cleaning water into the collecting container.

      3. If you have used a cleaner, make sure that there is no residue of it in the cooling liquid tank.

      • The cooling liquid tank is completely void of liquid, machining and cleaner residues.
  8. Fill in cooling liquid.
  9. Insert the cooling liquid tank (marked orange) into the multi-purpose drawer with the help of the guide rail.

    10.  

  10. Push the cooling liquid tank into its end position until it is properly attached to the machine.
    • The cooling liquid tank is connected to the cooling liquid system via the coupling.
  11. Close the multi-purpose drawer.