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C
Cleaning and maintenance
Problem
The bobbin thread
cannot be pulled
out.
The thread keeps
breaking.
The stitches
are too loose or
irregular.
The needle is
breaking.
Why is the thread making loops or folds under my fabric?
When the thread loops under your fabric, it is usually because it has not been threaded properly
or there is an incorrect upper thread tension. In this case, follow these steps:
1.
With the presser foot lifter raised and the thread tension dial set to 4, re-thread the upper
thread according to the threading diagrams indicated on your machine: Place the spool of
thread on the spool pin and secure it with the thread spool cap. Whilst holding the spool
of thread in place with your right hand, use your left hand to hold the thread and pass it
through the thread guide, then follow the thread path, bringing the thread down through
the tension channel, around the bottom of the machine and up the other side. Continue
to thread the machine, but do not thread the thread through the needle.
2.
Before threading the thread through the needle, perform this simple test to make sure
that the upper thread has been threaded correctly. While the presser foot is raised, pull
the thread. It should be easy to pull. Then lower the presser foot. The thread should now
resist when you pull it. There should be a significant increase in thread tension. If there
is no more tension, the upper thread is threaded incorrectly. Try again (
the upper thread").
Why is my machine skipping stitches?
Stitches may be skipped if the needles are dull or damaged, or if they have been incorrectly
inserted in the machine.
•
First, check whether the needle is dull or damaged, and replace it if necessary. Furthermore,
make sure that you are using the correct needle size for the type of fabric being sewn
(
"Needle, fabric and thread guide").
Possible Cause
• The bobbin is empty.
• The needle has been
incorrectly threaded.
• The needle is bent.
• The needle shaft is
not properly seated.
• The thread tension
dial, thread guide or
thread take-up bar is
too tight.
• The stitch tension is
unbalanced.
• The needle is bent or
warped.
62
Solution
• Replace it with a full bobbin.
• Thread the needle from front to back
again.
• Replace it with a new needle.
• Replace it with a new needle.
• Release the thread tension by selecting
a number between 3 and 5.
• Thread the upper thread and the bobbin
thread again.
• Replace it with a new needle.
EN
"Threading
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