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A 6 Operating the unit
All recommendations for the applications of the unit, whether oral, written or in the form of practical instructions, are based on our
own experience and tests and can, therefore, only be considered as guidelines.
A 6.1 Operation: Vacuum-mixing
- Set a mixing time of up to 240 seconds at the time control - stirrer switches automatically to standby – and the time is stored until
adjusted.
- For manual switch-on of the stirrer, turn the time control to "0" and set the mixing time after the vacuum has built up.
- Fill the mixing bowl with the material.
- Add the liquid and mix by hand until the ingredients are well integrated.
- Close the bowl lid.
- Fix the bowl to the unit from below, thus automatically releasing the vacuum generation. Hold the bowl firmly until the vacuum has built
up.
- Stirrer automatically operates for the pre-set time, and at the end an acoustic signal sounds.
- Hold the bowl firmly before turning off the main switch (Vacuum).
- After the vacuum has diminished, the bowl is no longer secured to the unit.
• To ensure trouble-free operation, the sealing surfaces of the bowl and lid - including the top of the lid and the tang of the rotor- must be
free from contamination.
• Fill the bowl only to the maximum marking, otherwise the vacuum will draw excessive material into the system.
• After the vacuum has diminished, the bowl is automatically released. In order to prevent damage to the seal, never pull at the bowl.
A 6.2 Operation: Pressure-investing
- Set a time of up to 60 minutes at the time control.
- Open the black door – turn the door against the direction of the arrow – do not pull!
- Insert the parts – maximum 3 large casting rings.
- Close the pressure chamber and actuate the green switch (Investing).
- Pressure will build up according to the setting of the manometer display.
- At the end of the pre-set time the pressure chamber is automatically ventilated, and the parts can be removed. By 7.7.7. – turning off the
Investing switch – the pressure-investing process can be interrupted at any time, i.e. the pressure chamber will be ventilated.
• Should the pressure in the compressed air supply line reduce during the processing time, a non-return valve secures the pressure already
built-up.
• Please note that the pressure chamber can only be opened first when the pressure has completely diminished. Otherwise, a premature
opening can cause the rubber ring to be ripped out of its groove, and become damaged.
A 6.3 Operation: Vibrator
- Press main switch (Vibrator)
- Vibrator arm and rubber ball will vibrate.
- Hold impression tray (or small impression) against the ball, and fill up with mixed material (plaster, etc.) in small portions. Thereby,
even small jobs can be accomplished using the unit.
EWL 5837
GB
OPERATING INSTRUCTIONS
5
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