SERVICE AND MAINTENANCE
23
7.2.
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 10. 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 10.
Cleaning the chimney box
7.3.
Maintenance intervals
7.3.1.
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.
7.3.2.
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.
7.3.3.
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.
