Viking Turissa Manuel d'utilisateur télécharger pdf (Page 49)

Maintenance

hints

Unattractive

seams

A.

The

needle

is

not

correctly

inserted.

B.

The

needle

is

bent

or

blunt.

C.

The

thread

tension

is

incorrect.

D.

The

machine

is

incorrectly

threaded.

E.

The

needle,

thread

arid

fabric

do

not

correspond.

F.

The

lower

thread

is

not

of

the

same

quality

or

thickness

as

the

upper

thread.

G.

1

he

bobbin

is

incorrectly

inserted

in

bobbin

case.

H.

Lint

or

thread

is

wrapped

around

the

spindle

of

the

sewing

hook.

I.

Using

incorrect

sewing

foot.

J.

The

bobbin

may

be

over

filled,

causing

a

tight

lower

tension.

K.

Bobbin

wound

unevenly.

Needle

breaks

A.

The

needle

is

incorrectly

inserted.

B.

You

may

have

been

pulling

the

fabric

when

sewing.

The

needle

can

easily

de

flect

against

the

needle

plate

and

be

broken.

C.

Bobbin

wound

too

fuH.

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