Bartscher 700 Series Instructions For Installation, Use And Maintenance Manual page 18

regulation, close the clamp wide (10); unscrew the nozzle (11) with a spanner and replace it with an
appropriate nozzle for the gas type to be used. Reassemble the nozzle, tightening it well and proceed
with regulating the primary air, as indicated in the next paragraph. When all this is done, put back the
parts previously removed.
Regulating the primary air of the burner
After substituting the burner nozzle, the primary air must be regulated. Therefore, loosen the screw
(9) that fixes the bush (10); bring value "X" to the correct measurement; tighten the screw (4) and
check the accuracy of value "X".
Substituting the pilot burner nozzle
In order to replace the nozzle of the pilot
burner, remove the knobs (1) and the lifting
crank (2); then remove the front panel (3) by
unscrewing the 4 screws that hold it in its
place (4). Unscrew the connection (5) that
joins the ramp (6) to the electro-valve (7)
and the screws (8) that fix the electro-valve
to the appliance frame, as shown in picture
13. Unscrew the fitting (12) which fixes the
gas supply pipe of the pilot (13) and remove
the nozzle (14). Substitute it with the nozzle suitable for the gas type to be used. Then proceed to
reassemble the new nozzle, reposition the pipe and tighten the fitting fully. When all this has been
done, put back the parts previously removed.
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In order to replace the burner
nozzle, remove the knobs (1) and
the lifting crank (2); then remove
the front panel
unscrewing the 4 screws that
hold it in its place (4). Unscrew
the connection (5) that joins the
ramp (6) to the electro-valve (7)
and the screws (8) that fix the
electro-valve to the appliance
frame. After clearing the work
area, loosen the screw (9) that
blocks the primary
(3) by
air