Viessmann Vitodens 300 Service Instructions Manual page 20

Initial start-up, inspection, maintenance
Further details regarding the individual steps
1. Check the electrodes for wear and
contamination.
2. Clean the electrodes with a small
brush (not with a wire brush) or
emery paper.
!
Important information
Wire mesh
do not damage.
20
(cont.)
3. Check all clearances. If the gaps
are not as specified or the electro-
des are damaged, replace and
align the electrodes together with
new gaskets. Tighten the electrode
fixing screws with 2 Nm.