Dentsply Sirona 6385129, Operating Instructions Manual

Page: 22 / 148

6 Maintenance and repair
6.1 Changing filter bags and HEPA filters Dentsply Sirona
Operating Instructions for suction devices
20
66 25 540 D3608
D3608.201.02.05.02 10.2020
Changing HEPA filters
Replace the HEPA filter if suction power is still weak after replacing the
filter bag. The HEPA filter is located behind the filter bag.
NOTE
For the CEREC suction device, we recommend changing the HEPA
filter bag at the following intervals:
CEREC MC XL/MC X MC: After changing the filter bag approx. 3 to 4
times.
This number may differ depending on the amount of zirconium oxide
material milled and suctioned.
CEREC Primemill: after 32 hours of processing.
After 32 hours of processing a yellow warning appears on the home
screen of the touch interface. If the filter bag is not changed, a red
error message appears after 40 hours of processing.
1. Loosen the two knurled nuts (A) on the maintenance cover.
2.
Remove the lid.
3. Remove the filter bag from the nozzle.
4. Then release and remove the two Phillips screws on the perforated
sheet on the inside of the suction system.
5.
Take the perforated sheet out.