Janome 108 - Trouble Shooting; Machine Runs Poorly or Is Noisy; Needle Thread Breaks

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Trouble Shooting
Condition
Cause
Reference
The machine does
not
1.
Threads have been caught in
hook mechanism.
See Page
33
run smoothly and is
2. The feed dog is packed with lint.
See Page
34
noisy.
The needle thread
1.
The needle thread
is not threaded properly.
See Page 16
breaks.
2.
The needle thread tension is too tight.
See Page 18
3. The needle is bent or blunt.
See Page 11
4. The needle is' incorrectly inserted.
See Page 11
5.
The fabric
is not being drawn to the back when sewing is finished.
See Page 20
6.
The thread is either too heavy or too fine for the needle.
SeePage 12
The bobbin thread
J~ .The bobbin thread is not threaded properly in the bobbin case.
See Page 15
breaks.
2. Lint has collected in the bobbin case.
Clean 'the
bobbin case.
3. The bobbin is damaged and doesn't turn smoothly.
Exchange
bobbin.
The needle breaks.
1
The needle is incorrectly inserted.
See Page 11
2. The needle is bent or blunt.
See Page 11
3.
The needle clamp screw is loose.
See Page 11
4.
The tension of the needle thread is too tight.
See Page
18
5.
The fabric is not drawn to the back when sewing is finished.
See Page 20
6. The needle is too fine for the fabric being sewn.
See Page 12
7.
The pattern selector dial had been turned while the needle was in the material.
See Page
19
Skipped stitches
1. The needle is incorrectly inserted.
See Page 11
2. The needle is bent or blunt.
See Page 11
3.
The needle and/or threads are not suitable for the work being sewn.
See Page
12
4.
A BLUE TIPPED needle is not being used for sewing stretch, very fine fabrics and synthetics.
See Page 12
5.
The needle thread is not threaded properly.
See Page
16
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