Smeg A31X-6 - Manual (Page 38)

Instructions for the User
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11. EXTRAORDINARY MAINTENANCE
Occasionally, the ovens will require minor servicing procedures or the
replacement of parts subject to wear and tear, such as gaskets, light
bulbs, etc. The specific operations for each procedure of this kind are
provided below.
Before carrying out any operation involving access to live parts,
disconnect the appliance from the electricity supply.
11.1 Changing the light bulbs
Remove the protective cover A by unscrewing it anticlockwise and
replace the bulb B with another of the same type. Replace the protective
cover A.
Use only light bulbs approved for ovens (T 300°C).