62
4 211 325 / 00
MaInTenance
8.2.6 Cleaning/ checking the burner mechanism
1. Open the maintenance aperture (E, Fig. 11) of the
burner mechanism via the rotary valve and remove
fine particles using a vacuum cleaner.
2.
Remove fine particles from the pellet drop-shaft (H)
using a vacuum cleaner and remove dust adhering to
the filling level sensor.
3. Disconnect the hose for negative pressure measure-
ment (F) and clean the filter.
4. Carefully remove the glow igniter from the ignition rod
(G), remove ash residue and vacuum clean.
8.2.7 Cleaning/checking the pellet hopper and suc-
tion module (if present)
1. Disconnect conveyor hoses (1, Fig. 13) and remove
the suction module (1a).
2.
Remove fine particles and dust deposits from the pel
-
let hopper and vacuum clean
3. Check/ clean the seal between the suction module
and the pellet hopper (3)
1
1a
3
Fig. 13
4.
Clean filling level sensor (4, Fig. 14) and inspect the
sensor cable for damage.
5. Clean the grille of the suction turbine (5).
6. Remove dust adhering to the sealing surface.
4
5
Fig. 14
8.2.8 Further information …
The following components are maintenance-free and
do not require servicing:
•
Primary air blower
•
Rotary valve
•
Motor and chain drive for metering screw, rotary valve
and modulating stoker
•
Motor, ash screw and cross-feeding auger
•
Suction turbine
After completing annual maintenance:
•
Carry out relay test and check all components for cor-
rect functioning
•
Clean the boiler casing
•
Fill out the maintenance log
•
Note the operating hours and number of burner starts
8.3
cleaning / checking the storage room
•
Empty the storage room regularly, at the latest every 3
years, to remove fine residue.
•
Check the storage area ventilation annually (opening
on the filling and suction cover) and clean the ventila
-
tion apertures if necessary.
•
Check that the warning sticker is attached to the stor-
age room access door as prescribed in the note under
2.3. All persons with access to the storage room must
be informed of the possible hazards.
