BUCHI Rotavapo R-250 - Manual (Page 10)

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Rotavapor R-250 4 Putting into Operation
Fig. 4.1: Fitting the support rod
4.3 Connecting to the Source of Energy
The rotary evaporator may only be connected to the elec-
trical supply by the trained person who has been assigned
responsi bility for this task.
The cooling medium must not exceed the maximum opera-
ting pressure of 1.7 bar (shock-free).
4.4 Setting Up the Support Rod
s ቢ into the holders provided ባ, ቤ
and fix it tight using the locking screw.
s
D3 has two positioning rings.)
s
(Glass assembly D3 has two pivoting clamps on the upper
ring and one pivoting clamp on the lower ring.)
s ብ, including the positioning nut,
on the lower support rod
ቦ. Set the flask support with
the positioning nut approx. 2 cm above the upper edge
of the retainer.