6720866940 (2017/11) US
SSB
26 | Maintenance schedule & procedures
[6]
Remove the gasket;
Gasket
Fig. 69 Gasket
[7]
Pull out the burner head. Rotate the burner head to align the mark
(A) to the igniter (B);
A
B
Fig. 70 Burner head
a
a
WARNING: After cleaning the burner head reassemble with
a new gasket. Replace the gas valve gasket.
8 .5
Cleaning the Heat Exchanger
It is necessary to clean the interior surface of the heat exchanger.
Carefully perform all steps below:
[1]
To access the combustion chamber repeat the burner head removal
process then proceed to step 2;
[2]
Unscrew bolt (A) partially, open the clamp (B) fastening the top cap
to the heat exchanger body;
A
B
Fig. 71 Clamp fastening
[3]
Remove the exchanger top cap (including the insulation);
Top cap + insulation
Fig. 72 Exchange top cap
[4]
The opening provides access to the combustion chamber;
Top cap + insulation
Bottom insulation disk
Fig. 73 Combustion chamber
[5]
To clean the combustion chamber utilize the cleaning kit;
