Troubleshooting - Sears Kenmore 385.18330 Manual De Instrucciones

Troubleshooting
Condition
The needle thread
breaks°
The bobbin thread
breaks°
The needle breaks,
Skipped stitches
Seam puckering
The cloth is not
feeding smoothly_
The machine
doesn't work.
Patterns are
distorted.
Noisy operation
Cause
t. The needle thread is not threaded properly
2. The needle thread tension istoo tight.
3o The needle is bent or blunt,
4, The needle is incorrectly inserted.
5, The needle thread and the bobbin thread are not set properly
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
1, The bobbin thread is not threaded properly in the bobbin
case and shuttle
2, Lint has collected in the shuttle are&
3. The bobbin is damaged and doesn't turn smoothly_
t The needle is incorrectly 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.
1, The needle is incorrectly inserted
2r The needle is bent or blunL
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 properly,
6 The wrong needle is used.
1 The needle thread tension is too tight,
2. The needle thread is not threaded properlyr
3 The needle is too heavy for the fabric being sewn
4 The stitch length is too long for the fabric
1 The machine is not plugged in
2 The stitches are too fine°
3, The feed dog is not raised after "drop feed" sewing°
1, The feed dog is packed with lint.r
2. A thread is caught in the shuttle race
3. Push-clutch is disengaged
1. The stitch is not balanced
1,.There is thread caught in the hook race.
2, Lint has built up in the shuttle or the shuttle race
Reference
Page 26
Page 28
Page 10
Page lO
Page 26
Page 38
Page t6
Page 22
Page 96
Changethe bobbin
Page 10
Page 10
Page lO
Page 28
Page 38
Page 16
Page 10
Page 10
Page 16
Page 16
Page 26
Change the needle
Pages 28,30
Page 26
Paget6
Make sti_h denser
Page 6
Make _itchcoarser
Page 46
Page 96
Page 96
Page 22
Page 36
Page 96
Page 96
J
98