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APPENDIX
Symptom
While winding the
bobbin, the bobbin
You have not wound the bobbin
thread was wound
thread properly.
below the bobbin
winder seat.
The thread is not passed through the
bobbin-winding thread guide
correctly.
Bobbin thread does
not wind neatly on
Bobbin spins slowly.
the bobbin.
The thread that was pulled out was
not wound onto the bobbin
correctly.
Fabric being sewn
Thread is tangled below the needle
with the machine
plate.
cannot be removed.
The fabric feeds in
the opposite
The feed mechanism is damaged.
direction.
The upper thread
The bobbin thread is incorrectly
has tightened up.
installed.
The thread is
tangled on the
You have not threaded the upper
wrong side of the
thread properly.
fabric.
164
Probable Cause
Remedy
After removing the thread wound
below the bobbin winder seat,
wind the bobbin correctly.
Correctly pass the thread through
the bobbin-winding thread guide.
Move the sewing speed controller
to the right (so that the speed will
be fast).
Wind the thread that was pulled
off round the bobbin five or six
times clockwise.
Lift up the fabric and cut the
threads below it, and clean the
race.
Contact your dealer or the nearest
authorized service center.
Correctly install the bobbin
thread.
Correct the upper threading.
Reference
page 158
page 24
page 25
page 25
page 155
–
page 26,
page 151
page 28,
page 152
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