❒ Clean away the ash below the step grate with the furnace tool or an ash vacuum
❒
Clean the side passage to the flue gas recirculation (optional)
Checking the draught controller flap
❒ Check that the draught controller flap moves freely
4.2.5 Periodic inspection and cleaning (~3000)
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 (standard wood chips), annual cleaning and
inspection (2000 to 2500 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 more frequently accordingly.
WARNING
Inspection and cleaning work with the boiler switched on
Serious injuries from automatic startup of the boiler and severe burns from hot
parts and the flue gas pipe are possible.
Therefore:
❒ Only carry out work on the boiler when the main switch is turned off
❒ Always wear protective gloves when working on the boiler
❒ Only operate the boiler using the handles provided
❒ Follow the procedure below when starting and finishing inspection and
cleaning work
Boiler Servicing
4
Inspection and cleaning
Operating Instructions TX 200-250 | B1060217_en 45
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