Fill Level Indicator And Remaining Amount; Fill Level Indicator; Remaining Amount Detection; Cleaning / Maintenance - Renfert Duomix Instrucciones Para El Servicio

• Press and hold both advance keys.
• While continuing to hold the advance keys, switch
the unit on again:
• Brief audible signal: Timer function is
deactivated
or
• Long audible signal: Timer function is activated
• Release both advance keys.
2.5 Fill Level Indicator and
Remaining Amount
2.5.1 F L I
ILL EVEL NDICATOR
The fi ll level indicator (C, Figure 3) helps you to esti-
mate the amount of impression material remaining in
the cartridge. However, after installing a new cart-
ridge or if the cartridge is very full, the indicator will at
fi rst not be visible.
The indicator will only become visible once the pis-
tons have advanced approx. 25 mm into the cart-
ridge.
2.5.2 R A
EMAINING MOUNT
The Duomix is equipped with an electronic fi ll le-
vel detection. Once there is only suffi cient material
remaining in a cartridge to fi ll approx. one casting
spoon, the yellow "Residual level" LED (I, Figure 3)
goes on.

3. Cleaning / Maintenance

To clean the unit, merely wipe it down with a moist
cloth.
Never use cleansers containing solvents.

3.1 Cleaning the Interior

With the pistons retracted, the cartridge bed is easily
accessible for cleaning.
Without a cartridge installed, the pistons can be
retracted to the appropriate position to permit the
removal of residue from the pressure discs or the
spindle covers.
NEVER clean the spindles themselves. The
grease applied to spindles is necessary for
the unit's proper function.
Tip: Tip:
Remnants of impression material are most easily Remnants of impression material are most easily
removed with a dry cloth or paper towel. removed with a dry cloth or paper towel.

3.2 Disinfection

Never use superheated steam for disinfec-
tion!
The following products can be used for disinfection:
• Incidur Spray (Ecolab)
• Incides N wipes (Ecolab)
EN
D
ETECTION
Ensure adequate ventilation following disinfection to
prevent an explosion-prone area.

3.3 Pressure Disc Replacement

The pressure discs are subject to wear as a result of
their rubbing against the inner cartridge wall.
Highly abraded pressure plates can damage the foil
bag.
To replace the pressure plate:
1. Move the pistons to their home position and remo-
ve the cartridge.
2. Close the unit cover and advance the pistons
approx. 1/3 of their travel path (Figure 9).
3. Open the unit cover and unplug the power cord
from the wall outlet.
4. Loosen the fastening screw on the desired pressu-
re disc (Figure 10) and remove the pressure disc
and support disc.
5. Slide support disc onto the spindle (Figure 11).
6. Install a new pressure plate (Figure 12).
7. Secure with a new fastening screw (including was-
her) (Figure 13).
8. Close the unit cover and return the pistons to their
home position.
The pressure d isc screws have been
coated with a special adhesive to prevent
them from loosening themselves. Always
use new screws when replacing a pressure
disc.

3.4 Unit Cover Replacement

1. Move the pistons to their home position and remo-
ve the cartridge.
2. Close the unit cover and advance the pistons
approx. 1/3 of their travel path (Figure 9).
3. Loosen and unscrew the pressure plate screws
approx. 5 mm (Figure 14).
CAUTION, Risk of Injury!
The screws have been securely tightened.
There is a risk of injury by the tool when
loosening the screws. Grasp the tool fi rmly
and hold it securely.
4. Pull the pressure plate forward (Figure 15) until
the unit cover can be taken out of the hinge (Figu-
re 16).
5 Install a new unit cover.
6. Push the pressure plate back to its home position
and retighten the screws.
Take care not to jam the unit cover!
7. Close the unit cover and return the pistons to their
home position.

3.5 Fuse Replacement

Before replacing the fuse, disconnect
the unit from the mains power supply by
unplugging the power cord from the wall
outlet.
Only replace fuses with new ones that have the same
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