Helpful hints – SINGER 4166 User Manual
Page 33

HELPFUL HINTS
Machine not properly threaded. Re-thread machine.
13
Upper thread
Thread entwined around bobbin. Remove entwined thread.
12
breaks
Needle inserted incorrectly. Re-insert needle.
6
Thread tension too tight. Readjust thread tension. 17
Thread of incorrect size or poor
quality. Choose correct thread. 18
Lower thread
Bobbin threaded incorrectly. Re-thread the bobbin. 12
breaks
Bobbin wound unevenly or too
full. Rewind the bobbin. 11
Dirt on the bobbin holder. Clean the holder. 30
Needle inserted incorrectly. Re-insert needle. 6
Machine skips
Bent or blunt needle. Insert new needle. 6
stitches
Incorrect size of needle. Choose correct size needle
for fabric. 18
(on stretch fabric) (use stretch needle)
Machine not properly threaded. Re-thread machine. 13
Fabric puckers
Bobbin threaded incorrectly. Re-thread the bobbin. 12
Blunt needle. Insert new needle. 6
Thread tension too tight. Readjust thread tension. 17
Machine makes
Bobbin threaded incorrectly. Re-thread the bobbin. 12
loose stitches
Machine not properly threaded. Re-thread machine. 13
or loops
Tension not adjusted properly. Readjust thread tension. 17
Threader does
Needle is not raised.
Raise the needle. 8
not thread
Needle inserted incorrectly. Re-insert needle. 6
needle eye
Bent needle. Insert new needle. 6
Machine does
Feed dogs are lowered. Raise the feed dogs. 8
not feed
properly
Lint and dust accumulated around Clean the feed dogs area. 30
feed dogs.
Fabric pulled while sewing. Do not pull fabric. 15
Needle is hitting the presser foot. Select correct foot and pattern. 19
Needle breaks
Needle inserted incorrectly. Re-insert needle. 6
Incorrect size needle or thread for Choose correct size needle 18
fabric being sewn. and thread.
Machine runs
Dirt or lint accumulated in the hook Remove the needle plate 30
with difficulty
race and feed dog. and bobbin holder and clean
the hook race and feed dog.
Cord not plugged into electrical Insert plug fully into outlet.
7
outlet.
Power switch is not turned on. Turn on the switch.
7
Machine will not
Bobbin winder spindle is pushed to Push spindle to the left.
11
run the right.
Presser foot is not lowered. Lower
Lower the buttonhole lever.
the foot. 15
23
23
Buttonhole Sewing Mode;
Buttonhole lever is not lowered
completely.
Buttonhole foot is not attached.
PROBLEM
CAUSE
CORRECTION
PAGE
Lower the buttonhole lever.
Attach the buttonhole foot.
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