8
Heating system servicing
Logano GB125 BE US/CA - Technical specifications are subject to change without prior notice.
40
8.3
Cleaning the boiler
The boiler can be cleaned with brushes and/or by a wet
method. Cleaning equipment is available from your
Buderus wholesaler.
V
Open burner door by removing the two hexagon bolts
on the sides.
8.3.1
Cleaning the boiler with cleaning brushes
V
Note the position of the heat exchanger baffles [1] for
later.
V
Remove the heat exchanger baffles [1] from the heat
exchanger.
V
Clean the heat exchanger baffles [1] with one of the
two cleaning brushes.
Fig. 39 Opening the burner door
1
Flue gas baffles in the heat exchanger
V
Clean the hot gas flues by turning the round cleaning
brush.
V
Clean the combustion chamber with a flat brush.
Remove the debris from the combustion chamber, the
hot gas flues and the flue connection.
V
Refit the heat exchanger baffles in their original posi-
tions.
V
Check sealing rope on burner door. Replace damaged
or hardened gasket cord.
V
Close the burner door and secure with the two hexa-
gon-head bolts (tighten to approx. 90 lb ins). Tighten
hexagon-head bolts evenly.
Fig. 40 Brushing out the combustion chamber
Warning:
Risk of burns from touching hot
boiler parts!
V
Wear appropriate protective gloves or use
pliers.
1
7 747 019 141-27.1RS
Warning:
Risk of life from leaking flue gases.
Follow these instructions carefully to ensure
safe operation of the system after completing
the cleaning.
You can obtain suitable gasket cord from
your local Buderus wholesaler.
7 747 019 141-38.1RS
