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Troubleshooting, T roubleshooting – Sears 38512102 User Manual

Page 66

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Troubleshooting

r .........................................

Condition

Cause

A

The needle thread

breaks.

1. The needle thread is not threaded properiy.

2. The needle thread tension is too tight,
3. The needle is bent or blunt
4. The needle is incorrectly inserted,
5. The needle thread and the bobbin thread are not set properiy

under the presser foot when sewing is starting.

6. The fabric is not drawn to the rear when sewing is finished .
7. The thread is too heavy or too fine for the needle

Page 22
Pages 24, 26
Page 10
Page 10

Page 20, 22
Page 30
Page 12

The bobbin thread

breaks.

1 The bobbin thread is not threaded properly in the bobbin

case and shuttle.

2. Lint has collected in the shuttle area,
3. The bobbin Is damaged and doesn't turn smoothly.

Page 20
Page 52

Change the bobbin

I I

L

r

i

1. The needle is incorrectJy inserted,

2. The needle is bent or blunt.
3. The needle clamp screw is loose,
4. The needle thread tension is too tight,
5. The fabric is not drawn to the rear when sewing is finished
6. The needle is too fine for the fabric being sewn.

Page 10

Page 10
Page 10

Pages 24, 26
Page 30
Page 12

Skipped stitches

1. The needle is incorrectly inserted.

2. The needle is bent or biunt,
3 The needle and/or threads are not suitable for the work being

sewn.

4. A blue needle is not being used for sewing stretch, very fine

fabrics and synthetics.

5. The needle thread is not threaded properiy
6. The wrong needle is used.

Page 10
Page 10

Page 12

Page 12

P

eq

® ^2

Change the needle

Seam puckering

1. The needle thread tension is too tight,

2. The needle thread is not threaded properly.
3, The needle is too heavy for the fabric being sewn,
4, The stitch length is too long for the fabric.

Pages 24, 26
Page 22
Page 12

Make stitch denser

The cloth is not
feeding smoothly.

1. The feed dog is packed with lint,

2. The stitches are too fine.

Page 6
Make stitch coarser

The machine
doesn't work.

1. The machine is not plugged in.

2- A thread is caught in the shuttle race,
3. Push-clutch is disengaged.

Page 52
Page 54
Pages 16,18

Noisy operation

1. There is thread caught in the hook race,

2, Lint has built up in the shuttle or the shuttle race.

Page 54
Page 54

y

For customer assistance call or e-mail:

1-877-SEWING-U (1-877-739-4648)

9 am - 5 pm, CST, Monday-Friday

sup port @ kenmore-sewing. com

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