6 – MACHINE MAINTENANCE
45
TROUBLE SHOOTING
Fabric Does Not Feed Well
Lengthen stitch length.•
Increase presser foot pressure for heavyweight fabric.•
Decrease presser foot pressure for lightweight fabric.•
Check the differential feed.•
Fabric Puckers
Loosen thread tension.•
Check for tangled or caught thread.•
Use high quality lightweight thread.•
Shorten stitch length.•
Decrease presser foot pressure for lightweight fabrics.•
Check the differential feed.•
Needle Breaks
Insert needle correctly.•
Do not pull fabric while sewing.•
Tighten needle set screw.•
Use a larger size needle on heavy fabrics.•
Thread Breaks
Check threading.•
Check for tangled or caught thread.•
Insert needle correctly.•
Insert new needle, current needle may be bent or have a •
blunt point.
Use high quality thread.•
Loosen thread tension.•
Skipped Stitches
Insert new needle, current needle may be bent or •
have a blunt point.
Tighten needle set screw.•
Insert needle correctly.•
Change type or size of needle.•
Check threading.•
Increase presser foot pressure.•
Use a high quality thread.•
Irregular Stitches
Balance thread tension.•
Check for tangled or caught thread.•
Check threading.•
Irregular Trimming
Check alignment of cutters.•
Replace one or both cutters.•
Fabric Jams
Check for tangled or caught thread.•
Compress thick layers of fabric with conventional •
machine before sewing with overlock.
Machine Does Not Operate
Connect machine to power source correctly.•
SERVICING
Have your overlock machine serviced regularly by your local authorized dealer!
If you have followed the troubleshooting information and still have problems, take your overlock machine to your
HUSQVARNA VIKING
®
dealer. If there is a speciÀ c problem, it is a great help to test sew with your thread on a scrap of
your sewing fabric and bring it to your dealer. A sewing sample will often give much better information than words.
Non-original Parts and Accessories
The warranty does not cover any defect or damage caused by use of non-original accessories or parts.
