SINGER W1499 - Manual (Page 34)

TROUBLi-SHOOTING GUIDE
Top thread breaks
lower thread breaks
Skipped stitches
Needle breokage
Stitching forms loops
Seams shrink or pucker
Irregular stitching/feeding
1. Machine is threaded incorrectly.
2. Tension is loo tight.
3. Thread is too heavy for needle size.
4
. Needle is inserted mcorrectly.
5. T|'»^ead moy be caught on reel holder.
6- Needle is damoged.
1. Bobbin case is not inserted correctly.
o improperly threaded.
_3. Bobbin tension is too tight.
1. Needle is not inserted correctly.
2. Needle is damaged.
3. Wrong type of needle is used.
4. Wrong foot is used.
5. Foot pressure is wrong.
1. Needle is damaged.
2. Needle is not inserted correctly.
3. Fabric too heavy/wrong needle size.
4. Fabric is being pulled by operator.
5. Wrong sewing toot is used.
Machine is noisy
and rough
1. Needle is not threaded correctly.
2. Bobbin is not threaded correctly.
3. Needle/fabric/thread ratio is incorrect.
4. Incorrect tensions.
1 Foot pressure is too heavy.
2. Needle is too large for faoric.
3. Wrong stitch length is used
4. Tension is too heavy.
1. Thread is of paor quality.
2. Foot pressure is too light.
3. Bobbin is threaded mcorrectly,
4. Moteriol is being pulled by operator.
1. Machine needs oil.
2. Ltnl and oil residue have collected In hook or on needle bar.
J. Interior Oil has been used and gums-up machine.
4. Needle is damaged.
5. Mochine requires servicing.
1. Rethread machine and needle.
2. Reduce tension on top (smaller numbers),
o. Use larger needle.
4. Reinsert needle (flat side toward bock).
5. Remove spool, rewind excess thread,
o. Insert new needle.
1 Reposition bobbin. Check by pulling thread. If It pulls
smoathly it is correct.
2. Check for correct threading.
3. Chgnge bobbin tension according to instructions.
1 Reinsert needle (flat side toward bock) ~~~
2. Insert new needle.
X fabric ond thread weight,
c ''i proper sewing foot i^ used.
Check foot pressure regulotion for proper setting.
1. Insert new needle. —
2. Reinsert needle correctly (flat side toward bock)
3. Match needle size to thread & fabric weight.
4. Do not pull on cloth. Check for proper foot pressure
J. Use correct foot.
OD
CM
1. Thread needle front to back.
2. Thread bobbin according to chart.
3. Match needle size to thread & fabric weight.
4. Set correct tensions.
1 Reduce foot pressure (smaller numbers).
2. Use smaller needle.
3-' Adjust length for proper stitches.
4. Check tensions.
1. Use quality thread!
2. Increase foot pressure (larger numbers).
3. Thread bobbin again and check for proper insertion
4. Do not pull on fobric. Let it feed outomoticollv.
1 Oil according to instructions.
2. Clean race and hook occording to instructions.
3. Clean and oil again only with fine sewing machine ait
(not3-in-l ail)
4. Replace needle.
5. Consult your speciolist dealer.