SERVICE AND MAINTENANCE
24
7.1.2.
Cleaning the chimney box
To ensure efficient and safe function of the boiler, you must
clean the chimney box from ash residues
at least every 3
months.
The ash box is equipped with a cleaning door for this
purpose, as shown in Fig 14. In order to open the door,
unscrew the wing nuts, remove the washers and springs that
keep it in place.
Clean the interior of the chimney box and remove all the ash
and residues.
Put back the door the same way as removed.
The springs must not be omitted! They act as
safety in order of explosion of exhaust gases in the
chimney box.
Fig 14.
Cleaning the chimney box
7.1.3.
Cleaning the furnace
The furnace should be regularly cleaned according to the ash deposits, but not less than once a
week. To clean the furnace follow the next steps:
Stop the furnace function by the control panel and leave it to cool down completely.
Clean the surface of the cast iron plate from ashes and other deposits. Make sure the air
holes are clean and free from obstacles.
Clean the ashes and deposits at the perimeter around the plate.
After you turn on again the furnace, ensure the fuel feeding is performed freely and the fuel
is evenly distributed at the plate surface.
Check the function of the motoreducer and the fan. Clean from dust if needed.
7.2.
Maintenance intervals
7.2.1.
Daily maintenance
The pressure of the network must be daily verified to be within the allowed limits. Make sure
that all the safety devices and pumps function properly.
7.2.2.
Weekly maintenance
The boiler must be cleaned every 3-4 days or at least once a week, depending on the ash
quantity accumulated on the boiler walls and in the heat exchanger. Cleaning procedure must
be performed according to the instruction given in the corresponding paragraph.
Check the quantity of ash accumulated in the ash box. The ash disposal can be performed
every 1-2 weeks, depending on the ash quantity formed.
7.2.3.
Monthly maintenance
Check the doors and the sealing cord. Make sure the contact with the boiler is air-tight. If ash
has accumulated on the sealing cord, clean it.
Check the fan and make sure it functions properly. Clean from dust and check that the air
passage is clear of obstacles and dust.
Remove the turbinators from the heat exchanger and check their condition.
It is recommended that you clean the chimney box of the boiler and the chimney pipes at least
every 3-4 months, in order to assure efficient and safe function of the boiler.
