Installation and operating instruction
Oil condensing boiler WTC-OB 18-B
9 Servicing
83311002 1/2018-03 La
74-132
9.4 Service positions
9.4.1 Service position A
Observe notes on servicing [ch. 9.1].
Removing
Remove air hose
3
from intake manifold
4
, if necessary squeeze air hose to re-
lease.
Remove hexagonal nuts
1
and remove burner.
Turn the burner and place it into the service position.
The burner can be hung on the left or right.
Refitting
Refit burner in reverse order and:
ensure correct seating of gasket
2
on burner housing,
refit air hose
3
to the intake manifold
4
.
2
3
4
1
Check mixing head [ch. 9.7]