Maintenance/Cleaning; Sterilisation/Autoclaving - JENCONS Zippette Digital Gebrauchsanweisung

Maintenance/Cleaning

Note; All maintenance should be carried out wearing suitable eye protection and protective clothing. If
in doubt, consult your safety officer.
1. Make sure that the Zippette is completely empty and turn the anti-drip tap to 'Open' position.
2. Place the instrument into an empty sink together with its reservoir. Unscrew the threaded platform
base from the reservoir and lift the dispenser's intake tube carefully out of the reservoir, whilst tap-
ping it against the reservoir's aperture to shake off any droplets from the intake tube.
3. Hold the dispense nozzle over the aperture of the reservoir and apply gentle piston strokes in order
to return any syringe contents into the reservoir.
4. Flush out remaining syringe contents with distilled water or a suitable solvent. This will preserve the
smooth action of the piston and free action of the inlet and outlet valves. If the inlet valve does stick
and is not freed by flushing, it may be freed by gently inserting a thin rod into the inlet aperture and
gently pushing the ball off its seating. Re-check unit for operation.
5. Empty the instrument completely after cleaning, and flush through with distilled water.

Sterilisation/Autoclaving

Only the fluid path components of the Zippette Digital are suitable for chemical sterilisation or autoclav-
ing at 121°C after the normal cleaning procedure has been carried out.
Chemical sterilisation
The fluid path components of the Zippette can be soaked overnight in a dilute (1:1000) solution of
Sodium Hypochloride. (See page 10 for disassembly procedure).
For soaking the components individually, follow the fluid path disassembly instructions on the following pages.
Autoclaving
Autoclaving of fluid-path components is permis-
sible at 121 °C , 2 bar for 20 minutes, after the
normal cleaning procedure has been carried out.
Autoclaving can be carried out only in a part
assembled condition with the piston inserted into
the glass barrel (Drawing 10) follow disassembly
instruction (page 10) 1 to 3 (Drawings 11-14).
Steam sterilisation of the piston outside the glass
barrel may damage it.
Loosen the threaded platform ring (Drawing 10) by
turning it anti clockwise two full revolutions.
Place the assembly together with the PTFE inlet on
a suitably soft surface within the autoclave in
order to avoid metal contact.
Cool slowly back to ambient temperature after
autoclaving and before reassembly.
Drawing 10
Unit ready for steam
sterilisation
Operator Instructions
Threaded
platform ring
9