Maintenance; Cleaning; Bobbin Holder; Hook Race And Feed Teeth - Singer C440 Instruction Manual

To reduce the risk of electric shock, disconnect the
power line plug from the electric outlet before carrying
out any maintenance.

CLEANING

If lint and bits of thread accumulate in the hook, this will
interfere with the smooth operation of the machine. Check
regularly and clean the stitching mechanism as needed.
NOTE:
* An LED lamp is used to illuminate the stitching area. It
does not require replacement. In the unlikely event it does
not light up, go to www.singer.com for more information
about machine service.
* There is no need to lubricate this machine.

Bobbin Holder

Remove the bobbin cover and bobbin.
Clean the bobbin holder with a brush.

Hook Race and Feed Teeth

1. Remove the needle, presser foot and holder. Remove the
bobbin cover and bobbin. Remove the screws holding the
needle plate.
2. Remove the needle plate by lifting up the right side of the
plate.
3. Lift up the bobbin holder and remove it.
To prevent accidents, do not touch the thread cutter unit (a).
4. Clean the hook race, feed teeth and bobbin holder with a
brush. Also clean them, using a soft, dry cloth.
5. Replace the bobbin holder into the hook race so that the tip (b)
fits to the stopper (c) as shown.
6. Replace the needle plate inserting the hook into the
machine.
Replace the screws and tighten.

Maintenance

1
a
3
5
b
c
44
2
4
6