Smeg A41A - Manual (Page 30)

Instructions for the user
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11. EXTRAORDINARY MAINTENANCE
Ovens periodically require small maintenance interventions or
replacement of parts subject to wear and tear such as gaskets, electric
bulbs etc. Specific instructions for each intervention of this type appear
below.
Before performing any operations requiring access to powered
parts, switch off the power supply to the machine.
11.1 Replacement of light bulbs
Remove the bulb protector A by turning anticlockwise and change bulb B
(in the twin oven model change the halogen bulb C) with a similar one.
Re-fit the bulb protector A.
Only use oven bulbs (T 300°C).
Twin oven model
The standard bulbs are halogen: do not touch them directly with your
fingers. Use insulation to protect your hand.
Use only bulbs that are available at authorised service centres.