MODEL 3128
1
CONDITION CAUSE HOW TO FIX REFERENCE
1. Skipping 1. Needle is not inserted Insert the needle properly.
properly.
stitches 2. Needle is bent or worn. Change the needle.
3. Incorrectly threaded. Rethread.
4. Needle or thread are Use the recommended sewing
inappropriate for fabric needle and thread.
being sewn.
5. Sewing on stretch fabric. Use a #11 blue tip needle.
6. Inappropriate needle bar See mechanical adjustment P.15
height. “Needle bar height.”
7. Inappropriate needle to See mechanical adjustment P.16
hook timing. “Needle timing to shuttle.”
8. Inappropriate needle to See mechanical adjustment P.12,13
hook clearance. “Clearance between needle
and hook.”
2. Fabric not 1. Incorrect feed dog height. See mechanical adjustment P.14
moving “Feed dog height.”
2. Thread on bottom side of Make sure to bring both needle
fabric is jammed up. and bobbin threads under the
foot when starting sewing.
3. Feed dog teeth are worn. Change the feed dog.
WHAT TO DO WHEN
To Next Page
Loading...
