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English
CHAPTER 7
TROUBLESHOOTING
This sewing machine is designed for trouble-free operation. However, the following chart indicates trouble
which may occur if basic adjustments are not made properly.
Trouble Cause Remedy
1. Does not feed Presser foot pressure too loose Turn the pressure adjustment
screw clockwise to increase the
presser foot pressure.
(See page 11.)
2. Needles break 1. Needles bent, or needle tip blunt Replace with new needle.
(See page 12.)
2. Needles incorrectly installed Install needles correctly.
(See page 12.)
3. Material pulled forcibly Do not press or pull material too
hard when sewing.
3. Threads break 1. Improper threading Thread correctly.
(See pages 15-18, 20.)
2. Thread tangled Check spool pin, thread holders,
etc., and remove tangled thread.
3. Thread tension too tight Adjust the thread tension.
(See pages 11.)
4. Needles incorrectly installed Install needles correctly.
(See page 12.)
5. Wrong needle used Use correct needle.
130/705H recommended
(See page 12.)
4. Skipped stitches 1. Needle bent, or needle tip blunt Replace with new needle.
(See page 12.)
2. Needle incorrectly installed Install needle correctly.
(See page 12.)
3. Wrong needle used Use correct needle.
130/705H recommended
(See page 12.)
4. Improper threading Thread correctly.
(See pages 15-18, 20.)
5. Presser foot pressure too loose Turn the pressure adjustment
screw clockwise to increase the
presser foot pressure.
(See page 11.)
5. Stitches not uniform Thread tensions not adjusted
properly
Adjust the thread tension.
(See pages 11.)
6. Fabric puckers 1. Thread tension too tight Decrease thread tension when
sewing lightweight or fine material.
(See pages 11.)
2. Improper threading or thread
tangled
Thread correctly.
(See pages 15-18, 20.)
31


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