Cuenod NC12 B117, Руководство по эксплуатации

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07/2009 - Art. Nr. 13 022 182A 19
Important
After any operation: check the
combustion performance under real
operating conditions (doors shut,
cover fitted etc.). Record the results
in the relevant documents.
Checking the exhaust gas
temperature
• Check the exhaust gas temperature at
regular intervals.
• Clean the boiler if the exhaust gas
temperature is more than 30°C above
the value measured at the time of
commissioning.
• Use an exhaust gas temperature
gauge to make the check easier.
Cleaning the pump filter
The filter is located in the pump housing.
It must be cleaned with every
maintenance service. To do this:
• Close the fuel oil shut-off valve.
• Place a container under the pump to
catch the fuel oil.
• Remove the screws and cover.
• Remove, clean or replace the filter.
• Refit the filter, close the cover again
and use a new gasket.
• Tighten securely.
• Reopen the fuel oil shut-off valve.
• Check pressure and tightness.
Replacing the flame tube
It is necessary to remove the burner for
this work.
• Loosen the clamping screw on the
connecting flange.
• Turn the burner out of the bayonet
socket, lift it slightly and pull it out of
the connecting flange.
• Place the burner on the floor.
• Loosen the 4 screws
X .
• Pull the flame tube out towards the
front.
• Fit and secure the flame tube.
The flame tube may be hot
Cleaning the fan wheel
• Remove the plate and attach it in the
maintenance position (see
illustration).
• Remove and clean the fan wheel. If
necessary, replace and refit it.
Cleaning the air box
• Remove fastening screws V from the
air box.
• Remove the air box, clean it and refit it
in reverse order.
• Check that the air flap and the
servomotor are correctly positioned.
Cleaning the cover
• Do not use abrasive products or
products containing chlorine.
• Clean the cover with water and a
suitable cleaning product.
• Refit the cover.
Servicing
Maintenance
en