Smeg P1752XBN Manual page 24

10.6 Arrangement of the burners on the cooking hob
10.7 Lubrication of gas taps
Over time the gas taps may become difficult to turn and get blocked. Clean them
internally and replace the lubrication grease.
This procedure must be carried out by a specialised technician.
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Instructions for the installer
BURNERS
1. Auxiliary
2. Semi-rapid
3. Rapid
4. Reduced Rapid
5. Ultra-rapid
6. Double crown