Pfaff 28 Manual de usuario

PFAFF

Cylinder

Bed Right

Arm

Sewing

Machine

with

Beak

Shutt%e

INSTRUCTION

BOOK

PFAFF

AG,

Sewing

Machine

Factory,

KAISERSLAUTERN

FIGURE

FRiCTION

‘“LEVER

Page

Section

Index

Dehvery

the

Machine

Engaging

and

Disengaging

the

Sewing

Mechanism

Bobbin

Case

Threading

the

Needle

Winding the

Bobbin

Changing

the

Bobbin

and

Threading

the

Drawing

the

Bobbin

Thread

Regulating

the

Thread

Tensans

Regulating

the

Pressure

the

Material

Ch.oosng

the

Proper Needle

10.

Inserting

the

Needle

11.

Regulating

the

Length

Stitch

12.

The

Knee

Lever

Presser

Foot

Liftnr

13.

Taking

Out

the

Beak

Shuttle

14.

Tilting

the

Machine

Over

15,

Maintenance

of the

Machine

16.

The

Treadle

Stand

17.

Power

Drive

18.

Cylinder

Bed

Extensions

inside

back cover

19.

Probable

Causes

Sewing

Troubles

Instruction

Book

PFAFF

Cylinder

Bed Right

Arm

Sewing

Machine

Fitted

with

standard

extra

large

beak

shuttle,

link

fake-up,

knee

lever

presser

foot lifter,

reversible

drop

feed,

wooden

extension

iron

screw-on

work

support

for

flat

seaming

oper

ations,

provided

for foot,

individual

motor

power

bench

drive

Delivery

the

Machine

Unless

shipped directly,

every

sewing machine,

when

received

our

dealers,

unpacked,

carefully

checked

for

possible

damage

inflicted

transit,

cleaned,

and

tested

for

perfect

sewing

before

being

released

For

delivery

to the

customer.

Engaging

and

Disengaging the

Sewing

Mechanism

Two

varieties

the

PFAFF

are available:

with

standard-size

beak

shuttle;

with

extra

large

beak

shuttle.

Machines

equipped

with

standard-size

beak

shuttles

have

abalance

wheel

with

exchangeable

pulley

permit

easy

conversion

the

machine

far

foot

power

drive

respectively.

The

machines

are

shipped

with

the

sewing mechanism

disengaged

that

only

the

pulley

will

rotate

when

treadling

starting

the

motor.

engage

the sewing mechanism,

hold

the

balance

wheel

with

your

left

hand

and

turn

the

large

knurled

lock

nut

wth

your right

hand

clockwise

the

direction

the

arrow

(see

photo

il.

When

lock nut

turned counter-clockwise,

the

sewing

mechanism

disengaged

for

winding the

bobbin.

increase

the

piercing

power

the

needle,

the

machines

with

extra

large

beak

shuttles

are

fitted

with a

larger

and

heavier

balance

wheel

with

fixed

pulley

that

nat

possible

disengage

the

sewing

mechanism

these

machines.

Photo

ThreadIng the

Needle

shown

photo

pass

the

thread

from spool

through

the

three

slotted

holes

thread

guide

around and

between

the

tension

discs

through

check

spring

beneath

guide

through

eyelet

right-left

through

take-up

through

eyelets

and

needle

bar

eyelet

10,

and

then

left-right

through

needle

eye

11.

Note:

with

all

sewing

machines, the

needle

the

PFAFF

threaded

“long

groove—short

groove”

direction.

Photo

Winding

the

Bobbin

All

PEAFF

machines

are

equipped

with

table

winder

which

hos

proved

very

useful

all

sewing

shops.

shown

photo

place

spool

and

the

empty

bobbin

spindle

Pass

the

thread

from spool

through the

hole

between

tenson

discs

over

and

through

the

slot

the

face

the

bobbin.

press

down

engaging

lever

the

bobbin

winder

pulley

pushed

over

against

the

belt

the

machine and

the

winder

engaged.

Now

start

the

machine.

When

the

bobbin

filled,

the

throw-off

lever

will

stop

the

bobbin

winder

automatically.

The

empty

bobbin

taken

out

the

machine,

the

full

bobbin

removed

from

the

spindle

and

the

thread

torn

off.

Then

the

full

bobbin

inserted

the machine

and

the

empty

bobbin

placed

the

spindle

for

rewinding.

This

way,

considerable

time

saving

effected

since

full

bobbin

hand

any time.

Also

the

operators

machines

with

disengageable

balance

whel

will

profit

from

this

ideal

way

winding the

bobbin,

Photo

Changing

the

Bobbin

and Threading

the

Bobbin

Case

Raise

the

shuttle

race

cop

slightly

pushing

with

thumb

and

index

finger

your left

hand

that

can

slipped

over

the

head

screw

(see

photo

4),

then

let

hong by

the

hinge

screw.

Turn

the

balance

wheel

until

the

beak

shuttle

extreme

right-hand position.

The

shuttle

can

now

easily

opened

with

the

index finger

your

left

hand

shown

photos

and

the

bobbin

taken

out.

When

inserting

the

full

bobbin,

care

must

token

that

the

thread

pulled

from

below

into

slot

shown

photo

that

the

bobbin

will

Photo

turn

clockwise

when

the

thread

unreeled.

slight

pressure against

the

hinged shuttle

cap

will

make

snap

into

position.

Then

hold

the

bobbin

and

draw

the

bobbin

thread

down

somewhat

that

slips

completely

under

the

tension

spring

and

comes

out

again

through

delivery

eye

(see

photo

8).

Drawing

the

Bobbin

Thread

Hold

the

end

the

needle

thread.

Turn

the

balance

wheel

slowly

until

the

bobbin

thread

comes

loop

through

the

needle

hole

(see

photo

9).

Photo

Lay

both

threads

back under

the

presser

foot.

Basic

Role:

Stop the machine

commence

sewing

only

with

the

take.up

its

highest

position.

This

precaution

will

keep

the

thread

from slipping

out

the

needle

eye

and

will

prevent

jamming

the

thread

the

shuttle

roce.

this

case

not

necessary

hold

the

needle

and bobbin

threads

when

commencing

sew.

Photo

Regulating

the

Thread

Tensions

obtain

perfect

seam,

observe

the

following

points:

The

needle and

bobbin

threads

should

locked

the

center

of the

moteriol

shown

figure

10.

Turning

the

tension

nut

clockwise

will

increase

the

needle

thread

tension;

turning

counter-clockwise

will

decrease

the

ten

sion

(see

photo

2).

Photo

The

bobbin

thread

tension

regulated

means

the

small

screw

driver.

Turning

tension

screw

(see

photo

clockwise

will

increase

the

tension;

turning

coueter-clockwise

will

decrease

the

tension.

Since

most

of the

stitching

work

done

the

PFAFF

coIls

not

only

for

perfect

but also

for

strong

and

durable

seams,

the

thread

tensions

must

regulated

very

coefully.

The

seam

must

show

tightly

drawn and

straight

sttchus

which

are

locked

the

cene

the

thickn,ss

ter

ia.

F;g.

absolutely

essential

use

top-quality

threads.

Never

use

cheap

threads

of inferior

quabty

which

might

impair

the

quality

the

whole

work.

properly

regulate

the

thread

tens:ons

requres

some

per:ence

until

one

can

tell

whether

the

needle

thread

tension

too

tght

cis

shown

fig.

11)

or the

bobbin

thread

tension too loose.

Photo

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