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Upper Threading
The proper thread path from the cone of thread to the eye of the needle
is critical in the operation of the machine. Ensuring that the thread moves
along the appropriate route will help prevent thread breaks as well as
increase efciency and sew quality. Understanding the upper threading will
also help in troubleshooting.
The following image displays the main components of the needle case and
the upper threading system.
Threading the Machine for the First Time
When you rst receive your machine, there will be thread in the system. The
tops of the thread will most likely be taped to the side of the thread tree.
Remove the tape and untwist the threads. New cones of thread may now
be placed on the thread tree using the quick thread change method below.
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General