PERFORMANCE CHECK LIST
UPPER THREAD
BREAKS
Upper thread is
not correctly
installed.
▼ |
| No | |
Page 16 |
| ||
▼ | |||
| |||
Upper thread is
tangled.
▼ |
| No | |
Page 16 |
| ||
▼ | |||
| |||
Upper thread tension is too tight.
▼ |
| No | |
Page 20 |
| ||
▼ | |||
| |||
Spool of thread is not correctly installed.
▼ |
| No | |
Page 12 |
| ||
▼ | |||
| |||
Needle is bent or not sharp.
▼ |
| No | |
Page 6 |
| ||
▼ | |||
| |||
The combination
of needle size/
thread size/fabric
is incorrect.
▼ |
| No | |
Page 22 |
| ||
▼ | |||
| |||
LOWER (BOBBIN) THREAD BREAKS
Lower (bobbin)
thread is tangled.
|
|
|
| |
▼ |
| No | ||
Page 17 |
| |||
▼ | ||||
|
| |||
Bobbin is not
threaded
properly in the
shuttle hook.
|
|
|
|
▼ |
| No | |
Page 14 |
| ||
|
| ||
|
| ▼ | |
Lower thread tension is too tight.
|
|
|
|
▼ |
| No | |
Page 21 |
| ||
|
| ||
|
| ▼ | |
Lower threading
is not correct.
|
|
| |
▼ | No | ||
Page 14 | |||
| |||
▼
SKIPPED STITCHES
Needle is
incorrectly
inserted.
▼ |
| No | |
Page 6 |
| ||
▼ | |||
| |||
Damaged or worn
needle is used.
▼ |
| No | |
Page 6 |
| ||
▼ | |||
| |||
The combination
of needle size/
thread size/fabric
is incorrect.
▼ |
| No | |
Page 22 |
| ||
▼ | |||
| |||
Lint is clinging to the bottom of the needle plate.
▼ | No |
Pages |
▼
Threading is not
correct.
▼ | No | |
Page 16 | ||
|
▼
LOOP IN SEAM
Thread tension is
incorrect.
▼ | No | |
Pages | ||
|
▼
FABRIC PUCKERS
Thread tension is
too tight.
▼ | No | |
Pages | ||
|
▼
Threading is not
correct.
▼ | No | |
Pages | ||
|
▼
Wrong needle is
used.
▼ |
| No | |
Page 6 |
| ||
▼ | |||
| |||
The combination
of needle size/
thread size/fabric
is incorrect.
▼ | No | |
Page 22 | ||
|
▼
CONTACT YOUR LOCAL SERVICE CENTER
46
