Maintenance - elco klockner EK03B.24/30 L-Z Betriebsanleitung

Servicing

Maintenance

All boiler and burner servicing work
should be carried out by an
appropriately trained heating service
specialist. It is recommended to
enter into a maintenance contract in
order to ensure that servicing is
carried out at the intervals
prescribed.
m
· Shut down power supply BEFORE
carrying out servicing or cleaning
work of any kind.
· Use only original spare parts.
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Check the combustion head
· Remove burner housing.
· Remove photoelectric cell 1 and wipe
with a clean, dry cloth.
· Unplug ignition cable 2 on
transformer side and loosen nozzle
tube.
· Loosen the three cover screws S.
· Rotate cover (twist and lock) and
remove burner head.
· Replace nozzle.
· Check ignition electrodes and ignition
cable 2, and replace as required.
· Clean turbulator.
· Check settings when assembling.
Cleaning the fan wheel
· Loosen the five screws on the motor
plate.
· Remove the equipment plate.
· Check fan housing and fan wheel for
dust and clean as necessary.
· Reassemble.
Cleaning the air box
· Loosen the three nuts on TF.
· Rotate burner (twist and lock) and
place on ground.
· Loosen the four screws on the air
box.
· Clean air box and sound-insulating
foam to remove dust.
· Refit the air box.
0305 / 13 010 761A
Replacement of the flame tube
To carry out this procedure, the
combustion chamber door must be
opened or the burner removed.
1) Access via combustion chamber
–
door:
· Loosen the three screws V on TF.
· Remove the flame tube by pulling it
towards the front.
· Refit the flame tube.
· Fill the space between the
combustion chamber door and flame
tube with fireproof material, if
necessary.
2) Removal of the burner
–
· Loosen the three screws V and the
three nuts on TF.
· Remove the burner (twist and lock)
and place on ground.
· Remove the flame tube by pulling it
towards the front.
· Install the flame tube and secure in
place.
Cleaning the pump filter
The filter is located inside the pump
housing. It should be cleaned each time
the system is serviced.
· Close the fuel-oil shutoff valve.
· Place a suitable container under the
pump to collect fuel-oil as it flows out.
· Remove the screws and take off the
cover.
· Remove the filter and clean or replace.
· Refit filter, reinstall cover with a new
seal and shut tightly.
· Check that screws are correctly
tightened.
· Open fuel-oil shutoff valve once more.
· Check for correct pressure and for
leaks.
Cleaning the cover
· DO NOT used chlorine-based or
abrasive products.
· Clean the cover with water and a
suitable cleaning product.
· Refit the cover.
Precautions
After each intervention:
· Check combustion performance and
examine the individual conduits for
leaks under real operating conditions
(doors shut, cover fitted, etc.).
· Note down the results in the
corresponding report forms.
Checking the exhaust-gas
temperature
· Check the exhaust-gas temperature
at regular intervals.
· The boiler must be cleaned whenever
the exhaust gas temperature exceeds
the startup setting by more than 30 K.
· In order to simplify this checking
procedure, fit a flue-gas temperature
gauge.