28
Glassware
NOTE:
Please read the operating instructions of the glassware for
the safe handling of laboratory glassware !
• There is a locking knob
(P)
for locking or unlocking the locking
device
(O)
.
If a red mark
(Q)
is shown, the locking device is unlocked,
otherwise it is locked.
To lock or unlock the locking device
(O)
, push the locking knob
(P)
to the end position.
• Open the locking device
(O)
on the drive head by turning it 60°
counterclockwise. Then you can see a red mark
(Q)
.
• Feed the vapour tube (
R
) in until it stops.
• Then, lock the locking device
(O)
by turning it clockwise by 60°.
Fig.14c
Mount the evaporation flask:
- Place the evaporation flask on the Vapour tube (
R
). (Fig.15a)
- Turn the plastic nut (
S
) with the clip (
T
) counterclockwise until
the clip can be put on the flange. (Fig. 15b)
- Now turn the plastic nut clockwise until the clamp is hard up
against the flange. When doing so, hold the locking device (
O
)
on the steam pipe.
Remove the evaporation flask:
- Hold the locking device (
O
) and loosen the plastic nut by turning
it counterclockwise. This releases a tightly clamped evaporating
flask.
- Hold the evaporating flask at the flange and open the jaws of
the clamp.
- Remove the evaporating flask.
- Check that the locking of vapour tube is still closed!
T
O
S
Fig.15b
Turn clockwise (
3
) for tight-fitting
Turn counterclockwise (
4
) for loosen tight-fitting
Fit & unfit the evaporation flask / push off mechanism
O
R
S
Fig.15a
Fig.14b
R
Fig.14a
Q
O
P
See indication:
“CLOSE“
• Pushing the lock knob (
P
) to the end position, the red mark (
Q
)
should be covered and invisible.
• The vapour tube is not allowed to be pulled out!
• Check the correct axial locking device on the vapour tube.
• Keep the red mark
(Q)
invisible.
