Zanussi ZGF 642 Instructieboekje - Pagina 17

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Commissioning

When the hob has been fully installed it will be

necessary to check the minimum flame setting. To do

this, follow the procedure below.

- Turn the gas tap to the MAX position and ignite.

- Set the gas tap to the MIN flame position then turn

the control knob from MIN to MAX several times.

If the flame is unstable or is extinguished follow the

procedure below.

Procedure:

Re-ignite the burner and set to MIN.

Remove the control knob and use a thin

bladed screwdriver to turn the adjustment

screw until the flame is steady and does not

extinguish, when the knob is turned from

MIN to MAX.

The adjustment screw may be located at the

centre of the gas tap control shaft or on the

gas tap body, left of the control shaft or

below (see diagram).

Repeat the adjustment procedure for all

burners.

Pressure Testing

Remove left hand pan support and front left

burner cap and crown.

Fit manometer tube over the injector.

Turn on the burner gas supply and ignite

another burner.

The pressure reading should be nominally

20mbar and must be between 17 mbar and

25mbar.

Turn off the burner supplies.

Adjustment

screw