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Maintenance and Care
D
D
Luer lock
Syringe barrel
Bottom screw connecting
plunger to Syringe Module
Figure 41: Syringe
8.2 Assembling and Installing the Syringe
Rinse a new syringe with 70% alcohol and then with distilled or deionized water before installing it.
Follow the instructions below:
1
Gently press the plunger into the syringe barrel.
2
Insert the syringe back onto the Syringe Module.
3
Hold the syringe barrel by the Luer lock and turn it clockwise into the port of the 8-way valve.
4
Secure the plunger to the Syringe Module with the screw at the bottom. Ensure that the syringe barrel and
plunger do not get jammed.
5
If the Syringe Maintenance dialog box has not been opened yet, select Syringe Maintenance in the
Functions menu on the Cedex Control Center.
6
Click on the INSTALL button. The plunger will be correctly positioned and the Syringe Module initialized.
7
Ensure that there are no leaks in the Liquid Management system. This can be done with one of the cleaning
routines in the Cleaning dialog box. Interrupt the cleaning procedure immediately with the EMERGENCY
STOP button if there are any leaks in the Syringe Module.
8
Put the protective cover back on with the use of a Phillips head screwdriver. Turn the screws 90 degrees
clockwise to lock the screws.
■
After removal, reinstallation, or replacement of the syringe, a calibration check of the Cedex HiRes Analyzer
must also be performed. Use Cedex Density Reference Standard Beads to check the calibration and confirm
that the FlowFactor is correct. If necessary, adjust the FlowFactor.
To perform the Cedex HiRes Analyzer calibration check and FlowFactor adjustment, follow the instructions
described in the online Instructions for Use for the Density Reference Standard Beads, available for download
via the CustomBiotech home page: www.custombiotech.roche.com
Never use the Cedex HiRes Analyzer without the protective cover on the Multi Sampler
and Syringe Module.
Syringe Maintenance
Assembling and Installing the Syringe
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