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Original Operating Instructions: K4 edition
Document version: E – 02/2020
Machine maintenance and cleaning
6.3 Inspection
We recommend having a service technician perform an in-
spection regularly.
h In addition, have an inspection carried out whenever the
machine is being repaired.
6.4 Cleaning the working chamber and measuring
key
Breathing difficulties caused by processing dust
Processing dust that gets into your lungs can cause breathing
diculties.
h Clean the machine only if the air extraction system is
properly installed and activated.
h Wear a face mask of class FFP2 during the entire clean
-
ing.
Damaging of the linear guides or the spindle
when cleaning with compressed air
If you clean the working chamber with compressed air, mate-
rial chips can reach the linear guides or the spindle bearings.
h Clean the interior of the machine exclusively with a vac-
uum cleaner, a brush and a cloth and never with com-
pressed air.
M1.
Have ready:
A vacuum cleaner
A dry cloth
A cleaner (optional)
A wet brush
M2. Switch on the machine and start DentalCNC.
S3.
In the upper icon bar, click on the depicted
icon.
S4.
Move the spindle to the cleaning position by
clicking on the depicted icon.
The spindle will move to the cleaning position and the
sealing air will be activated.
M5. Open the working chamber door.
M6. Suck up the coarse dirt in the working chamber with
the vacuum cleaner.
M7. Clean the whole interior thoroughly with the dry cloth.
Use a mild cleaner if necessary.
M8. Thoroughly clean the blank holder including all screws,
pins and clamping mechanisms as well as all openings
from the processing dust.
M9. Clean the measuring key with a brush.
M10. Close the working chamber door of the machine.
S11.
Move the spindle from the cleaning position
back to the default position by clicking the de-
picted icon.
6.5 Cleaning the collet chuck
Damaging of the spindle when cleaning with
compressed air
If you clean the collet chuck with compressed air, the spindle
bearings may get damaged.
h Clean the collet chuck exclusively with the appropriate
service set.
2
1
3
5
4
[1] Collet grease
[2] Knurled nut
[3] Collet chuck pin
[4] Cleaning brush
[5] Cleaning cone
M1. Open the working chamber door of the machine.
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