Open bottom space of the boiler with a roof
and example of ash removal with a poker
Open bottom space of the boiler with a spherical
chamber and example of ash removing with an
ash pan
Sample cleaning of the ue way with a wire
brush - upper lid
Sample cleaning of the ue way - bottom lid
Sample cleaning of impeller and checking
uprightness of vane on extract ventilator
Checking and cleaning regulation of primary-
secondary air ratio via cleaning lid
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