Zanussi ZC 540 AS Instruction Book page 22

Replacement of the nozzles
Every appliance has spare nozzles for every
gas. The whole of every nozzle is marked in
microns on the nozzle.
For changing the nozzles:
1. Remove the pan support;
2. Remove the burners;
3. Using a socket spanner 7 unscrew the
nozzles (fig. 15) and replace them with
those required for the type of gas in use
(see table no. 2).
Put in place the burners and the pan
supports.
Adjustment of minimum level of plate
burners.
When changing the gas type watch that the
minimum level be correct. A regular flame at
minimum level is about 4 mm; check that,
turning quickly the knob from the maximum
to the minimum position, the burner doesn't
go out.
Flame adjustment
1. Light the burner
2. Turn the knob to minimum level
3. Pull out the knob
4. Unscrew or screw the pin (on the right of
tap axle, fig. 16) until a regular small
flame is obtained. For butane-propane
gas, screw totally the pin clockwise
5. Put in place the knob
6. Turn the knob several times from
maximum to minimum level for verifying the
flame steadiness.
fig. 15
fig. 16
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