SINGER W8910 - Manual (Page 54)

Why haven’t I got the results I expected?
Very seldom does an^rthing go wrong with this sewing
machine. It is well constructed and can withstand very
intensive use. Yes, generally it performs better the more
it is used. However, below you will find some advice if,
in spite of everything, you are not satisfied with your
sewing results.
Fault-finding_______________________
Always start by checking the needle
An important part which needs to be changed from
time to time is the needle. Always start with a new
needle as soon as you discover that a seam is not what
you expected. Test sew on a scrap of the fabric you are
sewing. Read about needles on pages 16 and 17.
Check that you have chosen the correct needle and see
that it is correctly inserted.
Unattractive stitches
The thread tension is not correct. See page 13.
The machine may be incorrectly threaded. The correct
threading is shown on page 10.
The needle, thread and fabric do not correspond. See
pages 16 and 17.
Wrong upper thread. It should be of the same thick­
ness as the lower thread.
Bobbin wrongly inserted in the bobbin case. See page
11
.
The needle breaks
You may have helped the machine to feed by pulling
the fabric. The needle can easily strike against the needle
plate and break.
The upper thread breaks
Check the thread spool to see that it has not caught in
any way.
The needle eye may have sharp edges which cut the
thred. If so, change the needle. See page 16.
The upper thread is incorrectly threaded. See page 10.
The upper thread may have too much tension. Refer to
thread tension, pages 12 and 13.
The thread is knotted.
The thread and needle do not correspond. See pages
16 and 17.
The hole in the needle plate may be chipped and have
sharp edges. Slight damage to the needle plate can poss­
ibly be polished or filed but we recommend that you
replace it. See page 51.
Lower thread breaks
The bobbin case is incorrectly inserted. See page 11.
The lower thread may be incorrectly threaded. See
page 11.
The needle plate hole is damaged. Slight damage to the
needle plate can possibly be polished or filed but we
recommend that you replace it. See page 51.
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