Singer 1 One Instruction Manual 19 - Page 24

16.

DIFFERENTIAL

FEED

•

Differential

feed

is

a

system

which

"stretches"

or

"gathers"

the

fabric,

when

amount

of

feed

of

front

feed

dog

in

relation

to

the

rear

feed

dog

is

changed.

•

The

differential

feed

ratio

ranges

from

1

:

0.7

--

1

:

2.0.

Adjustment

is

made

by

means

of

the

differential

feed

adjusting

lever

pictured

below.

•

Use

of

differential

feed

is

very

effective

in

overedging

stretch

fabrics

and

fabrics

cut

on

the

bias.

•

Graduation

"1.0"

is

differential

feed

adjusting

lever

setting

for

ratio

1:1.

Gathered

Overedge

•

Gathered

overedge

is

most

suited

for

shirring

sleeves,

yokes,

front

and

back

bodices,

skirt

hems,

etc.

in

stretch

fabrics

such

as

knits

and

jersey

before

assembling

into

garment.

To

set

the

differential

feed

adjusting

lever

•

Set

differential

feed

adjusting

lever

knob

below

graduation

"1.0".

Setting

of

adjusting

lever

knob

depends

on

material

being

sewn

as

well

as

the

amount

of

gather

therefore

set

knob

to

suit

the

fabric

and

test

sew

before

sewing

your

garment.

•

When

feed

regulating

dial

is

set

at

"3"

or

over,

the

amount

of

feed

of

the

main

feed

dog

will

change

to

"3"

automatically

when

adjusting

lever

knob

is

set

to

2.0.

Note:

For

normal

overedge

stitching,

set

differential

feed

adjusting

lever

knob

to

graduation

"1.0".

1, 6

23

Singer 1 One Instruction Manual 19 - Page 24

DIFFERENTIAL, Gathered, Overedge, differential, adjusting, lever

Page 24 highlights