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ADJUSTING

FEED

PLATE

PRESSURE

See

Plate

16

Page

58

13

3

7.

The

feed

plate

which

holds

the

cloth

firmly

against

the

foot

is

adjusted

at

the

factory

with

the

proper

pressure

for

handling

all

weights

and

kinds

of

work.

The

pressure

on

the

feed

plate

is

applied

by

spring

LS

405,

which

is

adjusted

with

feed

spring

adjustment

screw

LS

394.

While

this

adjustment

is

rarely

used,

it

may

be

necessary

to

apply

more

pressure

after

the

machine

has

been

in

service

for

many

years.

By

turp.ing

screw

LS

394

to

the

right

more

pressure

is

applied

to

the

feed

plate

and

feed

point.

The

feed

plate

should

bear

equally

on

both

sides

of

the

presser

foot.

A

thin

piece

of

paper

placed

between

the

foot

and

the

feed

plate

is

useful

for

checking

this

in

case

it

be-

comes

necessary

to

install

a

new

feed

plate.

REMOVING

AND

REPLACING

PRESSER

FEET

38.

rn

order

to

remove

or

exchange

presser

feet,

turn

hand

wheel

until

the

plunger

is

at

the

lowest

point.

Remove

needle.

39.

Remove

both

screws

1073,

which

hold

the

foot

on

the

frame

of

the

machine.

Press

knee

lifter

so

as

to

release

the

pressure

on

the

foot

which,

in

turn,

releases

the

presser

foot.

40.

To

insert

foot,

do

not

change

the

position

of

the

plunger

or

turn

the

hand

wheel,

Press

the

knee

lifter,

which

permits

placing

the

foot

in

position

on

the

frame

of

the

machine.

Replace

and'

tighten

the

two

screws

1073.

Be

sure

to

see

that

the

groove

in

the

Figure

F

bobbin

case,

Figure

A,

Page

9

fits

over

the

projection

in

the

bobbin

case

retainer,

Figure

F.

This

holds

the

bobbin

case

in

position.

REPLACING

BOBBIN

CASE.

41.

Should

the

thread

become

caught

or

tangled

in

back

of

the

bobbin

case,

causing

the

machine

to

lock,

it

is

necessary

to

rt:;!move

the

bobbin

case,

inasmuch-

as

the

bobbin

case

latch,

Figure

A,

Page

9,

which

holds

the

bobbin

in

position,

cannot

be

raised

to

release

the

bobbin.

Und_er

no

circumstances

use

force

to

open

the

bobbin

case

latch;

by

so

doing

the

latch

or

spring

will

very

likely

become

broken,

which

means

the

expense

of

a

new

bobbin.

case.

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