SINGER W1855 - Manual (Page 32)

TROUBLE-SHOOTING GUIDE
CONDITION
Top fhrcod breoks
Lower thread breaks
Skipped stitches
Needle breakage
Stitching forms loops
Seams shrink or pucker
Irregulor stitching/feedmg
Mochine IS noisy
and rough
(>USE
Machine is fhreoded incorrectly
Tension IS too tight
Threod IS too heovy for needle size.
Needle is inserted incorrectly
Thread moy be couaht on reel holder
Needle is aamogecT
Bobbin cose IS not inserted correctly
Bobbin cose IS improperly threaded
Bobbin tension IS too fight
1 Needle is not inserted correctly
2 Needle is domoged
3 Wrong type of needle is used
4 Wrong foot IS used
5 Foot pressure IS wrong
1 Needle is domoged
2 Needle IS not inserted correctly
3 Fabric too heovy/wrong needle size
4 Fobric IS being pulled by operator
5 Wrong sewing foot is used
1 Needle is not threoded correctly
2 Bobbin IS not threoded correctly
3 Needle/fobric/threod rotio is incorrect.
4 Incorrect tensions
Î Foot pressure is too heovy
2 Needle IS too lorge for fooric
3 Wrong stitch length IS used
4 Tension IS too heavy
1 Threod IS of poor quality.
2 Foot pressure IS loo light
3 Bobbin IS threoded mcorrectly
4 ^^oteriol IS being pulled by operolor
I. Mochine needs oil ^
2 lint ond oil residue hove coltécted in hook or on needle bor
J . Inferior oil hos been used and gums-up machine
4. Needle is damaged
requires servicing.
REMEDY
1. Rethread machine and needle.
2 Reduce tension on top (smolfer numbers).
3 Use forger needle.
4 Reinsert needte (ffot side toward bock).
5. Remove spoof, rewind excess threod.
6. Insert new needle.
1 Reposition bobbin. Check by pulling threod. If it pulls
smoothly it IS correct.
2 Check for correct threoding
3 Change bobbin tension according to instructions.
1 Reinsert needle (flot side toword bock).
2. Insert new needle.
3 Match needte size to fobnc ond threod weight.
t 5° proper sewing foot i^ used.
5. Check foot pressure reguiotion for proper setting.
1 Insert new needle.
2 Reinsert needle correctly ¡Hot side toword bock)
3 Motch needle sue to thread & lobnc weight
4
Do not pull on cloth Check lor proper loot pressure
5. Use correct foot.
1. Threod needle front to bock.
2. Thread bobbin occording to chart.
3. Match needle size to threod & fabric weight
4. Set correct tensions.
GO
CM
1 Reduce foot pressure (smoHer numbers).
2. Use smolfer needle.
3.
' Adjust length for proper stitches.
4. Check tensions.
I Use quoiity threod!
2. Increase foot pressure (forger numbers).
3. Threod bobbin ogoin ond check for proper insertion
Let I f feed outomoticoHy
1 Oil occording to instructio!g|,y *
2. Cleon roce and hook occording to instructions.
3. Clean ond oil ogoin only with fine sewing mochine oil
(not 3-in-1 oil)
4. Reptoce needle.
5. Consult your speciofist deofer.