18
Rotavapor
R-220 EX
4 Putting into Operation
4.11 Attaching and Removing Flasks
Bring up the flask
• With the snap flange coupling open, lay the flask in
posi tion.
• Close the first segment of the snap flange coupling
(The hook must latch in).
• Close the second segment of the snap flange coupling.
• Insert the closure hook and press down the closure lever.
A clear resistance must be felt when this is done. If not,
readjust the tension on the closure.
Adjusting the tension on the closure:
Open the closure hook up, and turn it.
Turning clockwise
increases pressure
Turning counterclockwise reduces pressure
If the flange of the evaporating flask is outside of a certain
tolerance, the adjustment with the hook is not possible. This
evaporating flask must not be used!
Fig. 4.12: Snap flange coupling, with flask laid in place
Fig. 4.13: Closing the snap flange coupling
Fig. 4.14: Adjusting the tension on the closure
