56
Cover ring
When the control knob is removed, insert the screwdriver in the lower hole and press gently. Turn the cover ring
counter-clockwise until it is possible to remove the cover ring.
Mount the new cover ring and rotate it clockwise until it is in position.
Rotate the inner knob until the locking device is pointing downwards.
Insert the screwdriver and press the locking device.
Service Manual
fig.7490
fig.7494