Smeg A1.1K - Manual (Page 9)

Instructions for the installer
43
3. ADAPTATION TO DIFFERENT TYPES OF GAS
Before performing any cleaning or maintenance work, detach the
appliance from the electrical socket.
The cooking hob of the cooker is inspection-tested for use with G 20
natural gas at a pressure of 20 mbars. If used with other types of gas,
you have to replace the nozzles and regulate the primary air to the
burners. Then regulate the minimum flame on the gas taps. For nozzle
replacement and burner adjustment you must raise the cooking hob as
described in the following paragraph.
3.1 Raising of cooking hob
Remove the grids, first the middle one then the ones at the sides; remove
all the burner caps, the flame cap crowns and the burners.
1. Remove the programmer buttons;
2. Remove the knobs;
3. Unscrew the front panel fixing screws and remove it after
disconnecting the thermostat tell-tale light faston;
4. Loosen the screws of the hinge on the back of the cooker;
5. Raise the surface from the front end;
6. Place the surface support brackets in the front groove of the side;
7. Proceed to replacement of the burner nozzles in accordance with the
appropriate gas table;
8. Adjust the primary air as described in paragraph “3.2 Regulation for
LPG ”;
9. After adjustment, fully tighten the fixing screws.