42
D
E
F
G
B
A
C
Fig. 34
Check burner gauze assembly
D
, electrodes
B
and
gasket
G
for damage. Only remove and replace com-
ponents if they are damaged or worn.
Note
If replacing the burner gauze assembly, also replace
the gauze assembly gasket and the fixing screw.
1.
Disconnect plug with ignition electrode leads from
ignition unit
A
.
2.
Remove electrodes
B
.
3.
Undo Torx screw
C
. Hold onto burner gauze
assembly
D
when undoing the screw.
4.
Remove burner gauze assembly
D
with gasket
E
and thermal insulation ring
F
. Check components
for damage.
5.
Install new burner gasket
G
. Observe correct
installation position. Align the tab as per the dia-
gram.
6.
Insert thermal insulation ring
F
and burner gauze
assembly
D
with gasket
E
. Observe correct
installation position. Align the tab as per the dia-
gram.
7.
Align the hole in burner gauze assembly
D
with
the burner door pin.
Secure burner gauze assembly
D
with Torx
screw
C
.
Torque: 3.0 Nm.
8.
Check thermal insulation ring
F
for firm seating.
9.
Fit electrodes
B
. Check clearances, see following
chapter.
Torque: 4.5 Nm.
Commissioning, inspection, maintenance
Checking the burner gasket and burner gauze assembly
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