SINGER W312 Old - Manual (Page 39)

PROBLEM AND REMEDIES
RGmèdiés
If fviachine
iiiSiiÎpping^
Stitch'js
; ir régit lat;:
Stitches-'
Uneven'
Stitches
Upper Thread
Breaking .
Material -
Puckering::
:i Thread -od itnt;.iri;-Faceri. :
::iWèèdrë;dlac^
■■ rectiy in ciamp; ■■
«TooTirte-a needle Tort.:
thread.bemg lisôcl. /
Too stretchy fabric...
.Upper-thtsad-tension-t::
. top- loose;'
' Improper threading. ^..
Bobbin not wound
evenly.
Pulling or holding
- material. -
;-Notî,srî6ugh:tension -
.-on upper thread.
Poor quality thread. -
Needle too fine for
i thread: being.used..
■: Improperly threaded.:
Too much tension.
Starting with take-up
in incorrect position.
Improper setting of ■ ■
. needle,
: Bent oreye of needle
■: too sharp; :.:
Ben cor blunt needle.-,
: Tensions too tight.
Dull needle;
Stitch length too long,.
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;ï:area^:(Sëè:page;-36ïh:;^^^^^^^^^^^
TBep|ac0';td névv peed
iïÈlace'néedtecorrectïÿi.j (Séé pàgeCTO
t icr-Wtr.
each other, (See page 9.) --.
Place a paper- beneath fabric, or
Batf Point needle
Tighten upper tension. - -.
See thre^fing instruction, page 13. '
Adjust bobbin winder. (See page 38.)
■:Avoid:pul(ing or holding:material, just:- -i
guide it. '
■ Increase tension.
Try different thread,
:- See; needle and thread chart, page 9. ; ■'
::: Refer to threading instructiorssi see . ' ..; -
: page 13, and rethread machine, . •
.:Loosen upper thread tension.
{See page 18-1
:- Always start sewing with take-up; lever:
. in highest position,
sf Refer to needle setting instruction, see;
page 10. ;
. Try a new needle.
i Discard all blunt or bent needles and ’
: replace with new.
See. tension adjustment, page 18.
■ Change needle,
: Reduce stitch length.
Machine noisy
Si material wilt ; -
not feud in
stretch stitching.-
improper
feeding; ;■
Stitch-length control.:
is set at other than
Number 4.i ; ;
Lincin feed dog;
Set stitch length control at Number 4.
: Remove needle plate and clean lint .from;
feed dog. ,
39