Performance checklist, Needle does not move, Needle moves but stitch is not formed – SINGER P-1250 PROFESSIONAL Instruction Manual User Manual
Page 5: Needle breaks, Bobbin winding difficulties, Upper thread breaks, Lower thread breaks, Skipped stitches, Fabric does not move properly under presser foot

86
When sewing difficulties occur, look back
through this manual to make sure you are
correctly following the instructions. If you
still have a problem, the reminders below
may help you to correct it.
Needle does not move
Is machine connected to electrical
supply?
Is the power and light switch on?
Is controller connected?
Is the handwheel engaged for bobbin
winding?
Needle moves but stitch is
not formed
Is needle defective?
Is needle fully inserted into needle clamp?
Are bobbin and needle correctly
threaded?
Is bobbin correctly inserted into bobbin
case?
Needle breaks
Is needle straight and sharp?
Is needle correct size?
Is needle fully inserted into needle clamp?
Are controls properly set?
Are accessories correct for application?
Bobbin winding difficulties
Is thread unwinding freely from spool?
Is bobbin winder engaged?
Is thread end securely held at start of
wind?
Is thread hanging up on the slit on the
thread spool?
Upper thread breaks
Is machine properly threaded?
Is thread freely unwinding from spool?
Is proper spool cap being used?
Is needle correct size for thread?
Is upper thread tension too tight?
Is bobbin case properly inserted?
Is bobbin rim free of nicks?
Lower thread breaks
Is bobbin correctly wound?
Is bobbin correctly inserted into bobbin
case?
Is bobbin case correctly threaded?
Is thread hanging up on the slit on the
thread spool?
Skipped stitches
Is machine properly threaded?
Is fabric firmly held down?
Is needle correct style and size?
Is needle straight and sharp?
Fabric does not move
properly under presser foot
Is presser foot correctly attached to
machine?
Is presser foot lowered?
Is stitch length correctly set?
Performance checklist
Ta b l e d e s m a t i è r e s
12
2. Faites connaissance avec votre machine 16
Pièces principales
16
Accessoires
19
3. Pour bien coudre
21
Fonctionnement de la machine
21
Choisir et changer l’aiguille
21
Comment changer les pied presseurs à
enclenchement direct
23
Comment changer les pieds presseurs
23
Comment changer la plaque à aiguille
25
Mise en place du couvte griffe
25
Guide de Couture
25
Tableau des fils, aiguilles, tissus
26
Remplissage de la canette
29
Mise en place de la canette
31
Enfilage de la machine
33
Remonter le fil de canette
37
4. Le point droit
39
Sèlecteur de largeur de point
39
Sèlecteur de position d’aiguille
39
Sèlecteur de longueur de point
39
Marche arrière
39
Règlage de la tension
41
Assembler une couture
43
Débuter une couture
45
Pied à Ourlet Roulotté
47
Repriser
49
Matelassage
49
Faufil 51
Pose une fermeture à glissière
51
5. Couture Décoratif
53
Sélecteur de point
53
Sélecteur de position d’aiguille
53
Sèlecteur de largeur de point
53
Règlage de la longueur de point
55
Tension du fil d’aiguille
55
Point de zig-zag
57
Bourdon Galonné 59
Appliqué Bourdon et Appliqué Invisible 59
Point invisible
61
Coutures échelles
63
Zig-zag multiple
65
Point d’ourlet elastique
67
6. Boutonniére 4 temps
69
7. Couture à I’aiguille jumelée
73
8. Nettoyage de la machine
75
R e t i r e r e t r e m p l a c e r l e s u p p o r t d e
canette
75
Nettoyer la machine
77
Lubrification de la machine
79
A c e s s o r i e s f a c u l t a t i f s 8 1
Montage du Protège Doigt 81
Pied Coud & Rogne Facultati 83
Coudre un bouton
85
Que faire si
88
1. Consignes de Sécurité Importantes
3