Eppendorf Varispenser 4962 - Manual (Page 38)

11.1. Emptying
1. Mount the closure cap.
2. Place the dispenser with bottle into
a suitable basin.
3. Unscrew the dispenser and lift it
high enough so that the filling tube
(11) is no longer immersed in liquid.
4. Cautiously tap the intake tube
against the inside of the bottle so
that the reagent runs out.
5. Select the maximum volume.
6. Remove the dispenser from the
bottle and mount it on another
empty bottle.
Pull off the closure cap.
7. Hold the discharge tube outlet over
the opening of the first bottle. Empty
the dispenser by repeated dispen-
sing movements. In dispensers with
recirculation valve, set the valve
toggle to ”recirculation” and again
move the piston repeatedly to empty
the recirculation channel.
32
11. Cleaning
Instrument will only function safely if cleaned regularly. Be sure to clean instrument:
1. Immediately, if the piston moves stiffly,
2. Before changing reagents,
3. Before longer breaks in use,
4. Before any maintenance and repair work,
5. Before autoclaving
Warning: Dispenser, filling tube and discharge tube may be filled with reagent. To
prevent injury from chemicals, wear eye protection, protective clothing and protective
gloves. Always point the discharge tube outlet away from the user and other people.