Heidolph LABOROTA 20 automatic User Manual
Page 78
78
E
Screw large-size ring (1) tight. When evacuating, double-check for firm seat.
Refer to page 113
Return flask lift support tubes to initial position (16), CAUTION: basic position uses electronic
monitor circuit. Leaving this position will freeze all electric functions of the LABOROTA 20
control. This situation is reported by an LED on the control panel (flask support).
6. Install condensers and expansion vessel
Loosen thumbscrew (2), lift bracket (1)
completely and secure with
thumbscrew (2)
Place rubber side of washer (3) on
lower bracket (4), line up holes. Put
one more washer (3) with rubber side
pointing up on upper neck of condenser
or expansion vessel (5)
Plug lower neck of condenser or
expansion vessel (5) through cutout in
bracket (4) and washer (3), and tilt to
an upright position
Loosen thumbscrew (2) and slide
bracket (1) over upper neck of
condenser or expansion vessel. Make
vertical adjustment with bracket (4)
Rotate thumbscrew (2) tight when
condenser or expansion vessel are in
an exactly upright position.
3
1
5
2
4
3
6
3