Checking The Burner Gauze Assembly - Viessmann Vitodens 333-F Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
5. Release four nuts G and remove
the burner.
!
Please note
Prevent damage to the wire
gauze.
Never rest the burner on the
gauze assembly.

Checking the burner gauze assembly

Replace the burner gauze assembly if
the wire mesh is damaged.
1. Remove electrodes A.
2. Release three nuts B and remove
burner gauze assembly C.
22
(cont.)
6. Check burner gasket H for
damage.
Generally replace the burner gas-
ket every 2 years.
3. Remove old burner gauze assem-
bly gasket D.