Lewis 150-2 - Page 11

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10

The

regulator

also

limits

the

amount

that

the

disc

can

be

raised

in

order

to

protect

the

needle

point

from

striking

the

ridge

forming

disc.

The

adjustment

is

made

by

turning

the

regulator

in

the

"More"

direction

as

far

as

possible

to

stop

pin

inside

of

the

regulator.

A

needle

must

be

in

the

needle

carrier

and

in

contact

with

the

needle

guide

and

point

of

needle

over

the

ridge

forming

disc.

Now

remove

the

set

screw

18-924

(See

Plate

No.

lA)

and

adjust

screw

18-923

that

contacts

the

cradle

140-11

in

which

the

ridge

forming

disc

shaft

is

mounted

and

adjust

so

that

the

ridge

forming

disc

will

lift

the

needle

off

of

the

needle

guide

.010

11

which

is

equivalent

to

two

thicknesses

of

newspaper.

Reassemble

the

18-924

screw

and

set

tightly

to

lock

screw

18-923

in

place.

These

two

screws

are

located

inside

of

the

main

hexagon

headed

adjusting

screw

18-922.

The

adjustment

for

the

spring

tension

for

correct

pres-

sure

of

ridge

forming

disc

is

made

by

turning

nut

20-120,

located

in

front

of

cylinder

base,

turn

in

clockwise

direction

to

get

more

tension

and

in

reverse

direction

for

less

tension.

See

second

Para-

graph

on

Page

9

for

standard

setting.

FEED

The

feed

is

adjustable

relative

to

the

presser

foot

by

loosening

the

two

binding

screws

holding

the

feed,

and

turning

over

the

machine,

away

from

you,

until

the

feed

motion

is

at

the

lowest

point,

then

set

the

feed

so

that

it

is

l/32"

below

and

parallel

with

the

bottom

of

the

presser

foot,

for

light

and

medium

weight

ma-

terials;

for

heavy

work,

the

feed

must

be

brought

below

the

press-

er

foot

about

3/64".

The

feed

is

adjustable

from

three

to

eight

stitches

per

inch.

FEED

PLATES

The

Feed

Plates

press

the

work

against

the

bottom

of

the

presser

foot

and

feed,

when

on

its

feeding

stroke,

by

two

springs.

There

must

be

enough

pressure

applied

to

hold

the

work

from

moving

when

the

needle

penetrates

the

material,

for

if

the

material

moves

with

the

needle

, a

loop

will

not

be

formed

for

the

looper,

resulting

in

missed

stitches.

Check

to

see

that

Feed

Plates

clamp

a

piece

of

news-

paper

before

point

of

needle

penetrates

material.

From the library of: Superior Sewing Machine & Supply LLC

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