5 Assembly
Instruments with recirculation valve
a.
b.
c.
d.
e.
Instruments without recirculation valve
a.
Open the screw cap of the discharge tube (see 'instrument with recirculation valve', Fig. a.). To
avoid splashes, hold discharge tube orifice on the inner wall of a suitable receiving vessel.
b.
For deaeratingpull up the piston approx. 30 mm and push it down rapidly until the lower stop. Re-
peat this procedure approximately 5 times until the discharge tube is bubble-free.
48
Operating manual
30 mm
a.
Open the screw cap of the dispensing tube.
b.
Turn valve to 'Recirculate'.
c.
For deaeratinggently pull up the piston approx. 30 mm
and push it down rapidly until the lower stop. Repeat this
process at least 5 times.
d.
Turn valve to 'Dispense'.
e.
To avoid splashes when deaeratinghold the discharge
tube on the inner wall of a suitable receiving vessel and
dispense liquid to vent deaerate the discharge tube until
it is bubble-free. Wipe away any remaining drops from
the discharge tube.
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