❒ Remove the burn-out opening
❒
Check the firebricks and combustion grate for dirt and deposits and clean if
necessary (ash vacuum recommended)
❒ Install the burn-out opening
➥ The opening must be facing the fuel infeed side!
Cleaning the heat-exchanger and flue gas collection chamber
❒ Removing the insulating cover and the insulating mat
❒
Loosen the lock nut on the star-shaped screw knob
Boiler Servicing
4
Inspection and cleaning
Operating Instructions T4 24-150 | B0830317_en 33
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