Cleaning - BRAND Dispensette S Instrucciones De Manejo

The instrument must be cleaned in the following situations to assure correct operation:
I immediately when the piston
is difficult to move
I before changing the reagent
I prior to long term storage
I prior to dismantling the instrument
I prior to autoclaving
The cylinder, valves, telescoping filling tube and discharge tube contain reagent! Never
Warning!
remove the discharge tube while the dispensing cylinder is filled. Point the valves and tube
openings away from your body. Wear protective clothing, eye protection and appropriate
hand protection.

Cleaning

For proper cleaning and removal of any deposits in the parts through
which liquids pass, also always completely with draw the piston from
the cylinder after rinsing with a suitable cleaning solution. If neces-
sary, the parts can also be cleaned in an ultrasonic bath.
1.
Screw the instrument onto an empty bottle and empty it com-
pletely by dispensing (Fig. 1).If the instrument is equipped with a
recirculation valve, it must be emptied in both the 'dispense' and
'recirculate' settings.
2.
Screw the instrument onto a bottle filled with a suitable cleaning
agent (e.g. deionized water) and rinse the instrument several
times by completely filling and emptying it.
3.
Disassembly of the piston:
Note:
The pistons and cylinders are individually matched,
and should not be interchanged with piston from
other instruments!
a) Analog-adjusted and fixed-volume model
Hold the housing securely and unscrew the
piston seat completely by turning it to the left.
Carefully pull out the piston (Fig. 2a).
Do not remove the housing!
I prior to changing the valve
I regularly when using liquids which form
deposits (e.g., crystallizing liquids)
I regularly when liquids accumulate in the
screw cap
1
2a
Cleaning
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