Appendix 4 – Refilling of the bolus
electrode
1. Please, unplug the cooling water quick connectors and the electric cable
connector. The fixing safety button of the power plug has to be pressed
down before pulling it out and be kept pressed throughout the procedure.
Loosen the electrode fixing bolt, screw and pull it out of the electrode-
holder arm. Please place the electrode on a clean surface without sharp
edges.
2. Take off both the packing nuts (the method is done by an appropriate coin
as shown in the picture below).