Necchi NL11C Instruction Manual page 48

Problem
3. Needle may not be the correct
size for the fabric being sewn.
4. Machine may not be threaded
correctly or threads were
Stitches
threaded in the incorrect
Skipping
sequence.
5. Using thread that is poor
quality or has uneven filament.
1. Stitches are not balanced.
2. Thread is not unreeling
Irregular smoothly off the thread spool.
Stitches
3. Machine may not be threaded
correctly or threads threaded
in the incorrect sequence.
1. Thread tensions are set too
tightly.
2. Thread is not unreeling
smoothly off the thread spool.
Fabric 3. Using thread that is poor
Puckers quality or has uneven filament.
4. Stitch length is set too short.
5. Differential Feed is not set in
the correct position for the
fabric being sewn.
1. Upper and lower fabric cutters
are not in proper position.
Irregular
Trimming
2. Cutter(s) are damaged or worn
out.
1. Upper and lower fabric cutters
are not in proper position.
2. Thread is not unreeling
smoothly off the thread spool.
Fabric Jams
3. Too much fabric thickness.
Cause
3. Use a needle size that is
compatible for the fabric.
4. Check that machine is
threaded in correct order as
shown in machine manual.
5. Use good quality thread with a
smooth, even filament.
1. Adjust thread tensions and
possibly cutting width.
2. Check the thread spool to
ensure thread is not getting
caught.
3. Check that machine is
threaded in correct order as
shown on.
1. Loosen thread tensions.
2. Check the thread spool to
ensure thread is not getting
caught.
3. Use good quality thread with a
smooth, even filament.
4. Adjust stitch length to a longer
setting.
5. Adjust the differential feed.
1. Check alignment of cutters.
2. Replace one or both cutters.
1. Check alignment of cutters.
2. Check the thread spool to
ensure thread is not getting
caught.
3. Compress thick layers with
conventional sewing machine
before sewing on your overlock
machine.
41
Correction Reference
10
10
-
17/21
-
10
17
-
-
21
19
38/39
38/39
38/39
-
-