Zanussi ZGT 1 Instruction Booklet page 18

Minimum level adjustment
of gas oven burner
This procedure must be undertaken by
qualified personnel only.
1. Disconnect the appliance from the electricity
supply.
2. Remove all the knobs.
3. Open the oven door and locate the ventilation
grid which is fixed right below the control
panel.
4. Remove the rubber caps from the ventilation
gris then undo the two fixing screws ("A") and
finally take the grid off.
5. Undo the two fixing screws ("B") which keep
the control panel in place, then take it off the
appliance.
6. Adjust the by-pass screw ("C") using a thin
bladed screwdriver. When changing from natural
gas 20 mbar to LPG, completely tighten the
adjustment screw in. When changing from LPG
to natural gas 20mbar, undo the by-pass screw
about 1/2 of a turn. When changing from natural
gas 20mbar to natural gas 13mbar undo the by-
pass screw about 1/4 of a turn.
When changing from LPG to natural gas
13mbar, undo the by-pass screw about 3/4 of a
turn.
7. Refit all the oven parts following the above
described procedure backwards.
8. Restore the mains supply.
Do not restore the mains supply if all the
removed parts have not been fitted back in
their original position.
9. Light the oven gas burner (see the relevant
chapter), set the gas oven control knob on 240
and let the oven heat for 10 minutes at least.
10.Check that the oven gas burners does not
come out when quickly turning the gas oven
control knob from 240 to 150.
11.Should the oven gas burner come out when
performing point 10, repeate the whole proce-
dure from point 1 to point 10, until a small
regular flame is obtained on the complete gas
oven burner crown.
The manufacturer disclaims any responsibility should
these safety measures not be carried out.
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