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.
Mount the new control knob on the inner knob. Continue to press with the screwdriver and turn the control knob
clockwise until it stops when it is in position.
Service Manual
87
fig.7490
fig.7494
fig.7495A