Malfunction
Malfunction
Cause
Cause
Explanation
Explanation
I. Upper thread tension is too tight.
See Page 19
2.Threading is not correct
See Page 17
3.Needle is too thick tc, the cloth to be
See Page 12
stitched.
Fabric puckers
4.Stitches are too big to the cloth to
be sewn.
Non-woven lining under the cloth is re
quired for very thin cloth to be stitched.
l.Upper thread pressure it too weak.
See Page 19
2.The combination of needle size / thread
See Page 12
Loop in seam.
size / fabric is incorrect, either too thick or
too thin.
1.Feed dog is stained by tine hair.
See Page 45
Fabric does not feed ptoperly
2.Feed dog is not hoisted.
See Page 22
3.Stitching is too small.
See Page 21
l.Main power switch is turned off.
See Page 8
Machine does not work.
2.thread in the hook is tangled.
See Page 44
3.Clutch release switch ıs set at bobbin
See Page 15
mark.
Machine is noisy and
l.thread in the hook is tangled.
See Page 44
works slowly.
2.feed dog is stained by fine hair.
See Page 45
Insuffıcient oiling.
See Page 46
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Bedien.713/723 DE/ENGL. 25.08.2005 11:47 Uhr Seite 52
