Brother SB7050E - Manual (Page 39)

Upper Threading 37
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Upper Threading
This section describes how to position the spool for the upper thread, and then thread the needle.
a Mark on handwheel
If you use threads other than those listed above, the pattern may not turn out correctly.
CAUTION
About the spool of thread
Information about the spools of thread is described
below.
CAUTION
a
● When threading the upper thread,
carefully follow the instructions. If the
upper threading is not correct, the thread
may become tangled or the needle may
bend or break.
● The needle threader can be used with a
75/11 through 100/16 home sewing
machine needle. When using special
thread such as transparent nylon thread
or metallic thread, the needle threader
cannot be used.
● Thread with a thickness of 130/20 or
thicker cannot be used with the needle
threader.
● If the needle threader cannot be used,
refer to "Threading the needle manually
(without using the needle threader)" (page
42).
● Never use a thread weight of 130/20 or
lower.
● If the spool or the spool cap is not
positioned correctly, the thread may
become tangled around the spool pin or
the needle may break.
● Three spool cap sizes are available,
allowing you to choose a spool cap that
best fits the size of spool being used. If the
spool cap is too small for the spool being
used, the thread may catch on the slit in
the spool or the needle may break.