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Figure 5.6
Remove the ionized cable coming from Ignition Transformer
from ignition electrode.
Figure 5.7
Take grounding cable out from the ignition electrode. De-
mount the electrode with suitable open-end wrench or socket set.
Figure 5.8
Clean the accumulations such as dust-particle etc. which may
occur on the burner and on the combustion surfaces inside the exchanger
Figure 5.9
Check if there is any damage signs in the impermeability
gaskets of burner cover. Change when necessary
5.4. REMOVING AND CLEANING THE
BURNER
1. Close the electric switch and gas valve of the boiler,
2. Disconnect the electric cables from the fan. (220 V. ve Tacho
Signal)
3. Remove the inlet bushing of gas valve.
4. Screw off the four machine screws holding the cover of fan
and burner. (Gas valve, venturi and fan will be removed as
group). Don’t try to seperate these parts. Because parts are a
group; they will change together.
5. Loosen the cap nuts holding the cover of burner. Take the
Premix burner (cord triangle part) out from combustion
chamber.
ATTENTION
! Clean the burner only with pressure air.
6. Take the Ionized cable coming from Ignition Transformer from
ignition electrode.
7. Take grounding cable out from the ignition electrode.
8. Clean the accumulations such as dust-particle etc. which may
occur on exchanger and on the combustion surfaces inside
the exchanger.
9. Check if there is any damage signs in the impermeability
gaskets of burner cover. Change when necessary.
3
1
2
5
Figure 5.5
Removing and cleaning of the burner
4
