Checking The Burner Gauze Assembly - Viessmann VITODENS 333 Service Instructions Manual

Initial start-up, inspection, maintenance
Further details regarding the individual steps

Checking the burner gauze assembly

Replace the burner gauze assembly if
the wire mesh is damaged.
1. Remove electrodes A.
2. Remove thermal insulation ring B.
3. Release the six Torx screws C
and remove the burner gauze
assembly D.
4. Remove the old gauze assembly
gasket E.
20
(cont.)
5. Insert a new burner gauze assem-
bly with a new gasket, and secure
with six Torx screws.
Note
Torque: 3.5 Nm
6. Refit a new thermal insulation
ring B.