Helpful Hints - Singer 9910 Instruction Manual

HELPFUL HINTS
Upper thread
breaks
Lower thread
breaks
Machine skips
stitches
Fabric puckers
Machine not properly threaded,
Thread entwined around bobbin.
Needle inserted incorrectly.
Thread tension too tight.
Thread of incorrect size or poor quality.
Bobbin threaded incorrectly.
Bobbin wound unevenly or too full.
Dirt on the bobbin holder.
Needle inserted incorrectly.
Bent or blunt needle,
Incorrect size of needle.
(on stretch fabric)
Machine not properly threaded.
Bobbin threaded incorrectly.
Blunt needle.
Thread tension too tight,
Re-thread machine, 28
Remove entwined thread. 26
Re-insert needle, 16
Readjust thread tension. 36
Choose correct thread. 16
Re-thread the bobbin. 26
Rewind the bobbin. 24
Clean the holder. 74
Re-insert needle. 16
Insert new needle. 16
Choose correct size needle for 16
fabric.
use stretch needle)
Re-thread machine, 28
Re-thread the bobbin. 26
Insert new needle. 16
Readjust thread tension. 36
Machine makes Bobbin threaded incorrectly. Re-thread the bobbin. 26
loose stitches or Machine not properly threaded. Re-thread machine. 28
loops Tension not adjusted properly. Readjust thread tension. 36
Stitch pattern is Presser foot is not suited for the pattern. Attach correct foot. 42-
misformed Thread tension is not balanced, Adjust the thread tension. 36
Threader does Needle is not raised. Raise the needle, 20
not thread Needle inserted incorrectly. Re-insert needle. 16
needle eye Bent needle. Insert new needle. 16
Feed dogs are lowered Raise the feed dogs 20
Machine does Stitch length not suitable for fabric. Regulate stitch length. 38
not feed properly Lint and dust accumulated around feed dog. Clean the feed dog area. 74
Pressure regulator set too low. Increase pressure. 20
Fabric pulled while sewing. Do not pull fabric. 32
Needle is hitting the presser foot, Select correct foot and pattern. 42-
Needle breaks Needle inserted incorrectly. Re-insert needle. 16
Incorrect size needle or thread for fabric Choose correct size needle and 16
being sewn, thread,
Machine runs Dirt or lint accumulated in the hook race and Remove the needle plate and 74
with difficulty feed dog. bobbin holder and clean the
hook race and feed dog.
Machine will not
run
Cord not plugged into electrical outlet.
Power switch is not turned on,
Bobbin winder spindle is pushed to the right.
Presser foot is not lowered,
Buttonhole Sewing Mode;
* Buttonhole lever is not lowered completely.
* Buttonhole foot is not attached.
Insert plug fully into outlet, 18
Turn on the switch. 18
Push spindle to the left, 24
Lower the foot, 20
Lower the buttonhole lever. 60
Attach the buttonhole foot. 60
76