KSM-Stoker KSM-Multistoker 175-13, Instructions Manual, Page: 37 / 69

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17.0 Boiler Cleaning.
Along with the development of the KSM-Multistoker, it has become easier to clear away the ashes that
are simply removed through the bottom boiler door using the appertaining ash shovel, or you may use the
ash pan in the boiler bottom.
Clean your boiler once a week to remove ashes that have settled at the boiler bottom.
When firing with grain, you should envisage checking the plant once a day to make sure that no clinker
formation is building up, as mentioned above.
Cleaning your boiler also gives you the possibility to check that the combustion takes place in the correct
way, wood pellet ashes should preferably be a pale grey and light dust whereas ashes from grain are
darker and coarser.
Approximately twice during the heating season you should clean the boiler fluegas ducts, this is done
through the cleaning door at the boiler top. Remove the cover plate on the boiler top, the cleaning flap sits
right underneath it. Unscrew the 4 nuts and remove the flap, this will give ample space for brushing down
the flue gas ducts. Please find below a sectional view of the boiler where it is easy to see the above
mentioned cleaning spots.
Cleaning spirals
Flame protection door Ash from cleaning spirals
Ash deposition Burn head
Channel for the installation
of automatic ash screw
If you use firewood or other kinds of solid fuel, the boiler must be cleaned more frequently.
The ashes from firewood heating will pass through the grate and may be removed with the shovel,
through the bottom door.
It is important to clean the grate every time you have used solid fuel as the grid otherwise burn in pieces