Technical Specifications - Kunft KSM2612 Manual De Instrucciones

Fault
loose stitch
[looping
stitches]
Puckers or
folding
unsmooth
stitches
and uneven
fabric
feeding
Thread
jamming
Attention:
The sewing needle, the thread and fabrics must be well-matched.

3. tEcHNIcal SPEcIfIcatIoNS

Power supply: 230 V ~ 50 Hz
Maq-Costura-KSM2612-Manual-2.indd 23
sewing machine
Reason
1. Incorrect threading;
2. Incorrect bobbin
installation;
3. unreasonable
adjustment of the stitch
length;
4. Over tension
1. The needle is too big
for the fabric;
2. unreasonable
adjustment of the
fabric's feeding length;
3. Over tension of the
upper thread.
1. Poor thread quality;
2. Wrong bobbin
threading;
3. The fabric was jammed.
1. The upper thread was
hooked on the hook
plate;
2. The upper thread was
hooked on the bobbin.
KSM2612
Correction
1. check the threading;
2. Place the bobbin
correctly;
3. choose a sewing
needle with the right
specification;
4. adjust the tension;
1. choose a better
needle;
2. choose appropriate
functions for short
fabric feeding;
3. adjust to the upper
thread's appropriate
tension.
1. choose a better thread;
2. re-threading correctly;
3. Do not pull and drag
the fabric during
sewing.
1. It is mainly caused by
incorrect threading.
cut the upper part of
the thread, remove the
bobbin and smooth the
hooked thread;
2. Put on the transparent
cover while sewing.
23
EN
18/02/19 18:35