APPENDIX

 

 

 

 

 

 

 

 

Symptom

Possible cause

How to put it right

Page

 

 

You have not threaded the upper thread

Correct the upper threading.

15

 

 

properly.

 

 

 

 

 

 

 

 

 

 

 

You have not used the right combination of

Choose a thread and needle that are

20

 

 

fabric, thread and needle.

appropriate for the type of fabric.

 

Stitches are

 

 

 

 

 

 

 

 

 

 

skipped.

The needle is bent or blunt.

Replace the needle.

7

 

 

 

 

 

 

 

The needle is incorrectly installed.

Correctly install the needle.

7

 

 

 

 

 

 

 

Dust has accumulated under the needle

Remove the needle plate and clean the

37

 

 

plate or in the bobbin case.

plate and the bobbin case.

 

 

 

 

 

 

 

 

 

 

 

Raise the needle by turning the

 

 

The needle

The needle has not been raised to the

handwheel toward you

17

 

correct position.

(counterclockwise) so that the mark on

 

threader can

 

 

 

the wheel points up.

 

 

not be used.

 

 

 

 

 

 

 

 

You have not inserted the needle properly.

Insert the needle properly.

7

 

 

 

 

 

 

 

The presser foot that you are using is not

Attach the presser foot that is correct

 

 

 

for the type of stitch that you want to

 

 

correct for the type of stitch.

 

 

sew.

 

 

The stitch is

 

 

 

 

 

 

 

The thread tension is incorrect.

Adjust the tension of the upper thread.

25

 

not sewn

 

correctly.

 

 

 

 

 

Remove the tangled thread. If the

 

 

 

 

 

 

 

The thread is tangled.

thread is tangled in the bobbin case,

37

 

 

 

clean the bobbin case.

 

 

 

 

 

 

 

 

The darning plate is fitted on the needle

Remove the darning plate.

 

 

plate.

 

 

 

 

 

 

 

 

 

 

 

You have not used the right combination of

Choose a thread and needle that are

20

 

 

fabric, thread and needle.

appropriate for the type of fabric.

 

The fabric

 

 

 

 

 

 

The thread is tangled, for example, in the

Remove the tangle thread. If the thread

 

 

does not feed.

37

 

 

race.

is tangled in the race, clean the race.

 

 

 

The presser foot you are using is not

Attach the presser foot that is correct

 

 

 

appropriate for the type of stitch that you

for the type of stitch that you want to

33

 

 

want to sew.

sew.

 

 

 

 

 

 

 

41