Machine maintenance and cleaning
26
Original instructions: N4 Impression
Document version: H – 05/2019
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.
Fig. 26:
2
1
3
4
Components of the spindle service set
[1] Collet grease
[2] Cleaning brush
[3] Knurled nut
[4] Cleaning cone
M1. Close the working chamber door of the machine.
S2. Open the collet chuck with the “Release tool” function
of DentalCNC and remove the tool from the spindle if
necessary.
M3. Open the working chamber door and remove the tool
from the spindle if necessary.
M4. Insert the measuring pin into the collet chuck and keep
holding it with one hand. With the other hand put the
knurled nut to the spindle.
Fig. 27:
1.
2.
Unscrewing the collet chuck
M5. Loosen the collet chuck with the knurled nut and
unscrew the collet chuck with your hand or with the
knurled nut.
M6. Remove the measuring pin from the collet chuck. Put it
aside within reach together with the knurled nut.
M7. Clean the inner cone of the spindle with the cleaning
cone of the service set.
Fig. 28: Cleaning the inner cone of the spindle
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