26
3.4
Boiler cleaning - maintenance
1. Ash from ash pan and small ash pan has to be removed in the boiler operation even several times a day
according to the type of used fuel, because full ash pan protects the correct division of the combustion air
under fuel and evokes rough burning of fuel on grate. Al residues in the boiler furnace, mainly cinder have to be
removed before each new burning start and in course of the morning boiler operation reinsertion. It is
necessary to put away the ash into the fireproof containers with covering. During working period it is necessary
to use safety helps and to care the personal safety.
Fig.
№
. 20 Disassembling of Cleaning Cover
2. After the heating season end or as needed (this is influenced by the quality of fuel, chimney draught and setting
of boiler) it is necessary to clean up the boiler flue gas passage. Unscrew the cleaning covers by means of the
socket spanner with a handle, take the covers out by means of the special hook and clean up the flue gas
passages by the appropriate cleaning tools (Fig. no. 20). Clean up the air channels by the hook. Discharge the
small ash pan. Reassemble the cleaning covers.
3. After cleaning up the flue gas passages, yopu must clean up the smoke extension. According to Fig. no. 21
unscrew the cleaning cover of the smoke extension. Clean up the space of the smoke extension and
reassemble the cleaning cover.
4. Provided settlement of tar agglomeration on the combustion space walls has been occurred in course of using
fuels with greater gas formation we remove them with scraper or with burning out using hardwood under the
boiler putting into maximum working temperature at the open partition of the smoke adapter.
5. After the heating season ending it is necessary to clean the interconnection between the boiler smoke adapter
and chimney and then to treat pivots of the flue gas flap with the carbon grease.
1
Upper cleaning cover
2
Lower cleaning cover
3
Middle part of cover
4
M8 Nut
5
8,4 Washer
6
Socket spanner with a
handle, hexagonal
7
Special hook
