43
Inspections and servicing schedule
Example of crossed tightening sequence
1
3
4
2
WARNING!
If, during the routine servicing, the burner
appears slightly curved, inflect the burner by
pushing from the outside of the curve and refit
it.
WARNING!
It is fundamental to correctly position the burner
in its dedicated seat.
Burner seat
Burner
Sealing gasket
Recommended servicing operations
Examine all water seal components for soundness
Clean the combustion circuit heat exchanger/body
Clean the fan
Check the gas flow rate and eventual gas adjustment
Check the flue outlet system
Check the hydraulic system
Combustion analysis
Clean the DHW heat exchanger (only on the “C” model)
Control the efficiency of the electrical and
electronic components
Check
annually
Check every
2 years
Check efficiency of fan’s operation
Test for gas soundness
Clean the burner and check the ignition efficiency
Clean the condensate drain siphon and check that
it is discharging correctly
Check the water and gas safety devices
DANGER!
If, during inspection visits and/or servicing
of the appliance, the heat exchanger/boiler
body has to be dismantled, the sealing gasket
MUST be replaced each time.
When reassembling the distributor, ensure
that the nuts are re-screwed in sequence,
using a suitable dynamometric spanner
calibrated to 8 Nm (0,8 kgm).
Summary of Contents for ALKON R 18
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