Heidolph LABOROTA 20 eco - Manual (Page 57)

57
E
SET-UP CHAPTER 2
6. Drive lock
The drive lock facilitates opening and closing the large coupling ring (3), holding the flask (4).

To engage lock: turn knob (5) CW unti
l “lock” appears.
Manually rotate drive head, until lock snaps into place. Rotation Stop LED (6) on front
panel illuminates.
 To release lock: turn knob (5) CCW until “unlock” appears.
Rotation Stop LED (6) on front panel dims.
7. Tightening of Evaporator Flask
Evaporator Flask must be sufficiently tightened with large coupling ring (3) .
Check that the screws are fixed firmly; if the cap nuts are not fastened tightly
enough, this will cause leakage and functional disturbances!
3
4
5
6
3