Dentsply Sirona CEREC MC Operating Instructions Manual page 56

7 Service
7.4 Instruments
56
7. NOTE! Do not grease the instrument! Insert the new instrument
into the motor mount by hand. Tighten the corresponding chuck with
the torque wrench until a clicking sound can be heard.
NOTE
Incorrect milling or grinding results
Interchanging instruments leads to faulty milling or grinding results.
8. Close the processing chamber door.
9. Select the instrument(s) you have inserted on the PC monitor and
click "Start" .
You can also select the instruments on the milling and grinding unit
(up/down arrow) and confirm with "Start" .
NOTE
Cleaning cooling water nozzles
The cooling water nozzles in the processing chamber always must be
kept free of lime and processing dust deposits. The corresponding
cooling water jet must always strike the instrument accurately!
ü The cooling water nozzles are dirty.
➢ Clean the nozzles with a cleaning wire and a syringe.
NOTE
Use only suitable instruments!
Do not use any instruments from CEREC 2 or CEREC 3 units.
Changing a defective instrument
If an instrument breaks during the machining phase, the corresponding
motor travels to the change position. A dialog box which marks the side
with the broken instrument with a red cross then opens.
ü The instrument is broken.
1. Change the defective instrument as described above.
2. Select the instrument which you have inserted.
3. Press the "Start" button.
Dentsply Sirona
Operating Instructions CEREC MC / MC X
63 98 643 D3439
D3439.201.07.11.02 01.2018