Changing The Water; General Information - Sirona CEREC MC XL Operating Instructions Manual

7 Service
7.1 Changing the water
40
NOTICE
Removing chips
Chips gathered in the grinding chamber
When milling models, a large number of chips collect in the grinding
chamber.
➢ Each time a model block is milled, remove the chips from the
grinding chamber by hand.
➢ Before removing them, squeeze the chips so that any stored water
is released into the cooling circuit.
NOTICE
Fragment Do not confuse CEREC MC XL
Do not confuse the block screw with the ball pressure screw
When operating a CEREC 3 grinding unit and a CEREC MC XL grinding
unit in the same room, be careful not to confuse the block screw of the
CEREC 3 with the ball pressure screw of the CEREC MC XL.
NOTICE
Note on the tank cap opener
Using the tank cap opener
If you find the tank cap, tank drain or filter insert hard to open by hand,
use the tank cap opener (see "Using the tank cap opener" [ → 59]).
NOTICE
NOTE: Wear to the ball pressure screw
Wear of the ball pressure screw
The high clamping forces cause wear of the ball pressure screw.
➢ Replace the ball pressure screw every 500 clamping operations.
7.1

Changing the water

7.1.1

General information

NOTICE
Fragment: Ceramic content
Damage to the pump and grinding drives!
An excessively high ceramic content in the cooling water will damage
the pump and grinding drives.
Change the water regularly!
When the water is due to be changed, a message window appears on
your monitor to remind you that it is time to change the water.
Sirona Dental Systems GmbH
Operating Instructions CEREC MC XL
61 46 885 D 3439
D 3439.201.02.19.02 12.2014