16 | Maintenance |
| |
| Maintenance |
| Mantenimiento |
|
|
Performance checklist
Thread balls up on | Lift presser foot and | |
the underside of | machine, holding thread firmly. | |
the fabric | Lower presser foot prior to sewing | |
|
| |
Needle does | Is machine connected to electrical supply? | |
not move | Is the power and light switched on? | |
| Is speed control pedal connected? | |
| Is the bobbin winder spindle pushed to the right? | |
|
| |
Needle moves | Is needle bent? | |
but stitch is not | Is Stitch Selector fully engaged? | |
formed | Is needle fully inserted into needle clamp? | |
| Are bobbin and needle correctly threaded? | |
|
| |
Needle breaks | Is needle correct size for fabric? | |
Is needle fully inserted into needle clamp? | ||
| ||
| Are controls properly set? | |
| Are accessories correct for sewing? | |
|
| |
Bobbin winding | Is thread unwinding freely from spool? | |
difficulties | Is bobbin winder disc at the correct height? | |
| Is thread hanging up on the slit on the thread spool? | |
| Is the bobbin winder spindle pushed to the right? | |
| Is thread end securely held at start of winding? | |
|
| |
Lower thread | Is bobbin correctly wound? | |
breaks | Is bobbin correctly inserted into bobbin case? | |
|
| |
| Is machine properly threaded? | |
Upper thread | Is thread freely unwinding from spool? | |
breaks | Is upper thread tension too tight? | |
| Is bobbin case properly inserted? | |
| Is bobbin rim free of nicks? | |
|
| |
| Is machine properly threaded? | |
Skipped stitches | Is fabric firmly held down? | |
Is needle correct style and size for fabric? | ||
| ||
| Is needle straight? | |
|
| |
Fabric does not | Is presser foot correctly attached to machine? | |
move properly | Is presser foot lowered? | |
under presser foot | Is stitch length correctly set? |
66
|
| Entretien | 16 | |
Liste de performance |
|
| ||
|
|
| ||
| Le fil s'emmêle | Relevez le pied presseur et enfilez la machine à nouveau en |
| |
| sous le tissu | tenant fermement le fil. |
|
|
|
| Abaissez le pied presseur avant de coudre. |
|
|
|
|
|
| |
| L'aiguille ne bouge | La machine |
| |
| pas | La machine et la lampe |
|
|
|
| Le rhéostat |
|
|
|
| La tige du dévidoir de canette |
| |
|
|
|
|
|
| L'aiguille bouge | L'aiguille |
|
|
| mais le point ne se | L'aiguille |
| |
| forme pas | Les fils de la bobine et de la canette |
| |
|
| enfilés ? |
|
|
|
|
|
|
|
| L'aiguille casse | La grosseur de l'aiguille |
|
|
|
| L'aiguille |
| |
|
| Les réglages |
|
|
|
| Les accessoires en place |
| |
|
|
|
|
|
| Difficultés pour | Le fil se |
|
|
| remplir la canette | Le fil |
|
|
|
| La tige du dévidoir de canette |
| |
|
| L'extrémité du fil |
| |
|
| bobinage ? |
|
|
|
|
|
|
|
| Le fil de canette | La canette |
|
|
| casse | La canette |
| |
|
| canette ? |
|
|
|
|
|
|
|
| Le fil d'aiguille | La machine |
|
|
| casse | Le fil se |
|
|
|
| La tension du fil d'aiguille |
|
|
|
| Le boîtier de canette |
|
|
|
| Le bord de la canette |
|
|
|
|
|
|
|
| La machine saute | La machine |
|
|
| des points | Le tissu |
|
|
|
| Le type d'aiguille et la grosseur de l'aiguille |
| |
|
| tissu ? |
|
|
|
| L'aiguille |
|
|
|
|
|
|
|
| Le tissu n'est pas | Le pied presseur |
|
|
| entraîné | Le pied presseur |
|
|
| correctement sous | La longueur de point |
|
|
| le pied presseur |
|
|
|
|
|
|
|
|
|
|
| 67 |