Publicidad
Troubleshooting
Condition
The fabric
is not
being
fed
smoothly.
The needle
breaks.
The thread
breaks.
.
Skipped
stitches
1.
2.
3.
The seam
is not
1.
sewn
neatly.
2.
3.
4.
Seam
puckering.
Cause
1. The feed dog is packed
with lint.
2. The presser
foot has been raised.
3. Pressure
of the foot is too weak.
1. The needle
is incorrectly
inserted.
2. The needle
is bent or blunt.
3. The fabric is forcedly
pulled.
1. The machine
is not correctly
threaded.
2. The needle or looper thread tension
is too tight.
3. The needle
is incorrectly
inserted.
The needle
is bent or blunt.
TheThe needlemachine
is is bent
not or correctly
blunt,
threaded.
The needle
is incorrectly
inserted;::::::.
The needle and/or
looper threS_:i
i
:_e
not correctly
adjusted.
The machine
is not cor_
i_
eaded.
The needle and/or
the
not suitA6i_:
for the fabric being sewnl
:
The thread !s _i
B_ween
_:
!_sion
dis9_
Reference
See page 72.
Lowerthe
presserfoot.
See page 14
See page 12.
See page 12.
Putlthefabriclightly.
See pages 24 _ 42 and 52.
See _ges
48 _ 50 and 54, 62.
S_
_e
12.
Se_ _e
12.
See
2.
See
_24
42 and 52.
50and 54, 6 2.
See
_ 42 and 52.
see
58, G e and G8
See
34, 38 and 42.
See pages 48 _ 50 and 54, 62.
See pages 24 _ 42 and 52.
See page 16.
See page 6.
See page 6.
See page 70.
Replace
the upper knife.
(See page 70.)
76
Publicidad
