Viessmann Vitotwin 300-W - Page 72

72
3xCADEFB
1.
Remove electrodes B.
2.
Undo three retaining clips C on ther-
mal insulation ring
D
and then
remove thermal insulation ring
D
.
3. Undo four Torx screws and remove
burner gauze assembly
E
with gas-
ket
F
.
4. Insert new burner gauze assembly
E
with new gasket
F
and secure.
Torque: 3.5 Nm.
5.
Fit thermal insulation ring D.
6.
Fit electrodes B.
Torque: 4.5 Nm.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5618 294 GB