Bernina Bernette 56 Instruction Manual - Page 78

s~9-30 - review

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Performance Checklist Whenever sewing difficulties are encountered, review the section in this instruction manual that details the operation you are performing to make sure you are correctly using the machine. If the problem continues, the following checklist may help you to improve the operation. If you sti!! have difficulties, contact your nearest service center. Upper threading is not correct. .. Page 30 No Upper thread is . tangled. Page 30 No Lower thread is tangled. . Page 29 No ~ Bobbin is not threaded properly in the shuttle hook. t Page 29 No Needle is incor- rectly inserted. .. Page 8 No ~ Inferior needle is used. t Page 8 No Upper thread tension is too .. tight. Page 37 No ' Spool of thread is not correctly ..installed. Page 30 No Needle is bent or ..not sharp. Page 8 No Lower thread tension is too .. tight. Page 37 No The combination of needle size/ thread size/fabric ..is incorrect. Page 39 No Lower threading is not correct. .. Page 29 No Lint is clinging to the bottom of the ..needle plate. Page 69 No ~ Threading is not correct. t Pages 29-30 No Thread tension is incorrect. t Page 37 No Thread tension is too tight. .. Page 37 No Threading IS not correct. Pages~9-30 No ~ Wrong needle is used. .. Page 8 No The combination of needle size/ thread size/fabric ..is incorrect. Page 39 No The combination of needle size/ thread size/fabric ..fs incorrect. Page 39 No • •.. ' ' ~" -- •, ' 70

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Performance Checklist
Whenever sewing difficulties are encountered, review the section in this instruction manual that details the operation you are performing
to
make
sure
you are correctly using the machine.
If
the problem continues, the
following
checklist may help you
to
improve the operation.
If
you sti!!
have difficulties, contact your nearest service center.
Upper threading
Lower thread
is
Needle
is
incor-
is
not
correct.
tangled.
rectly inserted.
..
No
Page
30
..
No
Page 29
~
..
No
Page 8
~
Bobbin
is
not
Upper thread
is
threaded properly
Inferior needle
is
tangled.
in
the
shuttle
used.
hook.
..
No
Page 30
t
No
Page 29
t
No
Page 8
Upper thread
tension
is
too
tight.
Lower thread
tension
is
too
tight.
The combination
of needle size/
thread size/fabric
is
incorrect.
..
No
Page 37
..
No
Page 37
..
No
Page 39
'
Spool of thread
is
not
correctly
installed.
Lower
threading
is
not correct.
Lint
is
clinging
to
the bottom of
the
needle plate.
..
No
Page 30
..
No
Page 29
..
No
Page 69
~
Needle
is
bent
or
Threading
is
not
not sharp.
correct.
..
No
Page 8
t
No
Pages
29-30
The
combination
of needle size/
thread size/fabric
fs
incorrect.
..
Page 39
No
•
'
'
•..
~"
--
•,
'
Thread tension
is
incorrect.
t
Page 37
No
Thread tension
is
too tight.
..
Page 37
No
Threading
IS
not
correct.
Pages~9-30
No
~
Wrong needle
is
used.
..
Page 8
No
The
combination
of needle size/
thread size/fabric
is
incorrect.
..
Page 39
No
70