Problem and remedies – SINGER W312 Old User Manual

Page 39

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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,.

:|çiean.i::'àn(i;; oîl::i.maebinéith&:s

;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

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