Boiler servicing
Inspection and cleaning
4.3.4 Periodic inspection and cleaning
Cleaning the carbonisation gas duct
Checking the primary air openings
Operating Instructions SP Dual compact | B1500016_en
The boiler must be cleaned and inspected at appropriate intervals depending on the
service hours and fuel quality.
For fuels with a low ash content, annual cleaning and inspection (1000 to 1500 service
hours) is usually sufficient. For less efficient fuels and fuels with a high ash content
(indicated by short emptying intervals for the ash container), the work should be
carried out correspondingly more frequently.
❒ Open the fuel loading door and clean the carbonisation gas duct with a small
brush
❒ Open the fuel loading door and unhinge the cladding plates
❒ Check the primary air openings (A) inside the boiler for unobstructed air flow and
clean if necessary
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