Table des Matières
PERFORMANCE
CHECK
LIST
Upper
thread
is
not correctly
installed.
Lower (bobbin)
thread is tangled.
Needle is
incorrectly
inserted.
Page 16
No
Page 6
No
Upper thread is
tangled.
Page 16
No
Page 17
No
Bobbin is not
threaded
properly in the
shuttle hook.
Page 14
No
Lower thread
tension is too
tight.
Upper thread
tension is too
tight.
Page 20
No
Page 2I
No
%ool
of thread
is not correctly
installed.
Page 12
No
Needle
is bent
or not sharp.
Lower threading
is not correct.
Page 14
No
Page 6
No
!
Timecombination
of needle size/
thread size/fabric
is incorrect.
Damaged or worn
needle is used.
Page 6
No
Timecombination
of needle size/
thread size/fabric
is incorrect.
Page 22
No
Lint is clinging to
the bottom of the
needle plate.
Pages 43-45
No
Threading is not
correct.
Page 16
No
Thread
tension
is
incorrect.
Pages 20-2I
No
Thread
tension
is
too tight.
Pages 20-2I
No
Threading is not
correct.
Pages 12-I 7
No
Wrong needle is
U
sed.
Page 6
No
The combination
of needle size/
thread size/fabric
is incorrect.
Page 22
No
46
Table des Matières
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Table des Matières