Bernina 475 QE, User Manual

Page: 108 / 126

Care and maintenance
108
Cleaning the feed dog
Remaining threads under the stitch plate must occasionally be removed.
> Raise the needle and presser foot.
CAUTION
Electronically driven components
Risk of injury near the needle and the hook.
> Switch the machine off and disconnect it from the power supply system.
> Remove the needle and presser foot.
> Lower feed dog.
> Remove the stitch plate.
NOTICE
Dust and thread residues inside the machine
Damage to mechanical and electronic components.
> Use a brush or a soft cloth.
> Do not use compressed air spray.
> Clean the feed dog with the brush.
Cleaning the hook
CAUTION
Electronically driven components
Risk of injury near the needle and the hook.
> Switch the machine off and disconnect it from the power supply system.
> Open the hook cover.
> Remove the bobbin case.
> Press the release lever to the left.
> Fold down the fastening bracket along with the black hook race cover.