Metrohm Multi-Mode Electrode pro - Manual (Page 41)

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5 Maintenance
6.1246.120 Multi-Mode-Electrode pro
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5 Collecting the mercury
Collect mercury adhering to the seal using the mercury drop catcher.
Place the seal into the drip pan.
6 Disposing of the capillary
Professionally dispose of the capillary.
5.2.4 Removing the needle
Caution
In this procedure mercury is used. Always carry out the following steps
in a dry drip pan.
To remove the needle, you need the following accessories:
￭ Drip pan (6.2711.030)
￭ Mounting ring (6.1247.210)
￭ Wrench (6.1247.220)
￭ Mercury drop catcher (6.2406.000)
1 2
3 4
Figure 10 MME pro – Removing the needle
1 Loosening the needle holder
Use the wrench to loosen the needle holder, turn out the screw as
far as it will go.