7 Cleaning and servicing the heating system – Procedure
72
3.
Open the ash door (1).
4.
Open the upright grate flap (2) behind the door.
5.
Clean the burner nozzle (3) with a vacuum cleaner.
6.
Close the boiler in the reverse order.
✓
The cleaning of the burner nozzle is completed.
C
LEANING
THE
FLUE
GAS
PIPE
1.
Allow the fire in the boiler to burn out and cool off.
6.
Sweep any deposits into the flue gas collection box, but not in the
direction of the boiler.
7.
Screw the inspection hatch (2) securely back onto the flue gas
pipe (3) with the wing nut (1).
✓
The cleaning of the flue gas pipe is completed.
Figure 7/12 - Cleaning the burner nozzle
3
2
1
Important!
✎
Observe the “Generally applicable safety instructions” in this
section.
2.
Unscrew the wing nut (1) on
the inspection hatch cover (2).
3.
Remove the inspection hatch
cover (2) from the flue gas
pipe (3).
4.
Check whether the flue gas
pipe (3) needs cleaning.
5.
If necessary, extract the ash
from the flue gas pipe (3)
using a vacuum cleaner.
Figure 7/13 - Cleaning the flue gas pipe
1
2
3
