1110
6.3. Starting the casting process
When the metal is completely molten, press the casting switch „CASTING“ (Fig. 3, Pos. 14). The electric motor
accelerates the casting arm. The centrifugal force causes the molten metal to flow into the hot casting ring.
6.4. Opening the casting machine lid and removing the casting ring
Once the casting arm has completely stopped rotating, the lid may be opened and the casting ring removed.
Caution Risk of burns during removal of hot casting ring! The casting ring and crucible must
only be removed using suitable tongs and additional protective gloves.
Caution Do not forcefully open the lid! The casting chamber lid is locked during the casting
process and as long as the casting arm is still in motion.
6.5. Switching the machine off
To switch the machine off, close the casting chamber lid and turn off at the mains switch (Fig. 2, Pos. 7).
i
Note Do not switch the machine off to cool down between casting procedures. It may only be
switched off at the mains switch after the last casting has taken place.
i
Note The machine itself automatically turns the water supply off. There is no need to turn the tap off
manually after every casting, however if the machine stands for a longer period of time e. g.
over the weekend, then the main tap must be closed.
6.6. Using the „STOP“ button
During correct operation it is not necessary to use the „STOP“ button (Fig. 2, Pos. 6). It is only used when the
working procedure is faulty due to a malfunction or disorder.
The „STOP“ button (Fig. 2, Pos. 6) causes the current working procedure e.g. melting the metal, to be cancelled
immediately and the induction coil to descend.
7. Cleaning and maintenance
Warning Always switch the machine off and remove the plug from the mains supply during any
servicing or maintenance work. When service or maintenance work is carried out,
always ensure a second person with electrical knowledge is nearby. Many repairs may
only be carried out by authorized personnel or by the Dentaurum Service Team.
7.1. Cleaning the water supply inlet
Every 6 months the water filter in the fresh water inlet (Fig. 5) must be cleaned:
• Whilst the machine is still on, close the water stopcock in the laboratory. This way the circulating water within
the machine is no longer under pressure.
• Then switch the machine off and remove the plug from the mains supply.
• After the water supply has been closed and the machine has been switched off, unscrew the fresh water
pressure hose from the machine (Fig. 5).
• Close to the machine, within the fresh water connection is a fine filter which can be removed using tweezers
(Fig. 5). Clean the fine filter under running tap water with the aid of a brush or in an ultrasonic unit.
• Replace the cleaned fine filter back into the opening in the fresh water connection and screw the fresh water
pressure hose back on. Make sure the seal between the fresh water connection and the connecting piece of the
hose is in place.
• Always check if the connection is tight before switching the machine back on and opening the water
stopcock again.
To Next Page
Loading...