BÜCHI Labortechnik AG Operation | 6
Operation Manual Rotavapor® R-100 37/60
6.3 Finishing distillation
u Raise the rotary drive unit (see Chapter6.2.1 "Raising and lowering the evaporat-
ing flask", page33).
u Vent the Rotavapor.
u Turn off the rotary drive unit (set the rotation speed to 0rpm).
u Switch off the heating bath.
u CAUTION!Risk of skin burns from hot evaporating flask. Check the tempera-
ture of the evaporating flask and, if necessary, allow it to cool down or else wear
suitable protective gloves.
u Remove the evaporating flask (see Chapter6.3.1 "Removing the evaporating
flask", page37).
u Turn off the coolant supply.
u Remove the receiving flask (see Chapter6.3.2 "Removing the receiving flask",
page38).
u Dry the Rotavapor (see Chapter7.6 "Removing solvent accumulations",
page41).
u Clean the Rotavapor and all glass components (see Chapter7 "Cleaning and ser-
vicing", page39).
6.3.1 Removing the evaporating flask
u Raise the rotary drive unit (see Chapter6.2.1 "Raising and lowering the evaporat-
ing flask", page33).
u Vent the Rotavapor.
u Turn off the rotary drive unit (set the rotation speed to 0rpm).
u CAUTION!Risk of skin burns from hot evaporating flask. Check the tempera-
ture of the evaporating flask and, if necessary, allow it to cool down or else wear
suitable protective gloves.
u Firmly hold the evaporating flask(4) and release the combi-clip(3) by screwing it
counter-clockwise.
u Push the clip (2) back from the neck of the evaporating flask.
u Detach the evaporating flask.
u If the evaporating flask sticks because of chemical residues, press the lock re-
lease button(1) and twist the flask(4) counter-clockwise to remove it.