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Maintenance
Remove the blast tube.
To carry out this procedure, the
combustion chamber door must be
opened or the burner removed.
Variant 1 -Access via the
–
combustion chamber doors
· Remove the mixer control/ignition
device.
· Loosen the 3 fixing screws on the
blast tube support by 1 to 2 turns.
N.B.: the screws are threaded to the
left (Allen 3).
· Remove the blast tube, check,
clean, and where necessary, replace
if a deformity is found.
· Refit the blast tube in the reverse
sequence.
· The space between the blast tube
and the door insulation should be
fitted with flameproof material.
Variant 2 - Removing the burner
–
· Remove the mixer control/ignition
device.
· Loosen the electrical connections.
· Remove the gas valve assembly.
· Unscrew the gas connection
(2 M8 nuts).
· Loosen the burner housing
(2 M8 screws) and remove.Do not
damage electrical cables.
· Unscrew the burner head and then
proceed as under variant 1.
· Refit in the reverse sequence.
Valves
No special maintenance is required for
the valves.
Valves must not be repaired.
Defective valves must be replaced by a
qualified professional, who must check
the leak, function and combustion
values following replacement.
09/2005 - Art. Nr. 13 019 526A
Replacing the filter on the gas valve
The filter must be checked once a year
and replaced if dirty.
Pocket filter:
· Release the cover fixing screws on
the filter.
· Remove the filter.
· Insert new filter.
· Refit the cover with the screws.
Tube filter:
· Dismantle the gas connection flange
at the inlet side.
· Remove the filter.
· Insert new filter.
· Fit a gas connection flange.
· Open the manual stop valve; check
tightness.
Cleaning the hood
· Clean the cover with water and a
cleaning product.
· Do not use chlorine-based or
abrasive cleaning products.
Precautions
After each intervention, check the
combustion performance under real
operating conditions (doors shut,
cover fitted etc.).
Note down the results in the
corresponding report forms.
EN
29
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