ELNA eXperience 520, Руководство по обслуживанию

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1
MODEL 520
CONDITION CAUSE HOW TO FIX REFERENCE
1. Skipping
stitches
1. Needle is not inserted properly.
2. Needle is bent or worn.
3. Incorrectly threaded.
4. Needle or thread are
inappropriate for fabric being
sewn.
5. Sewing on stretch fabric.
6. Presser foot pressure is too
weak.
7. Inappropriate needle bar
height.
8. Inappropriate needle to shuttle
timing.
9. Inappropriate needle to shuttle
clearance.
Insert the needle properly.
Change the needle.
Rethread.
Use the recommended sewing needle
and thread.
Use a #11 blue tip needle.
Adjust the presser bar level to make the
pressure stronger.
See mechanical adjustment “Needle
bar height”.
See mechanical adjustment “Needle
to shuttle timing”.
See mechanical adjustment
“Clearance between needle and hook”.
P. 12
P. 11
P. 13
2. Fabric not
moving
1. Presser foot pressure is too
weak.
2. Incorrect f.d. Height.
3. Feed dog Is in down position.
4. Thread on bottom side of fabric
is jammed up.
5. Feed dog teeth are worn.
Adjust the presser bar level to make the
pressure stronger.
See mechanical adjustment “feed
dog height”.
Raise the feed dog Level.
Make sure to bring both needle and
bobbin thread under the foot when
starting sewing.
Change the feed dog.
P. 15
WHAT TO DO WHEN