Pfaff 3114 Instruction Manual

PFAFF

3114

Auiomatic

r.

INSTRUCTION

G. M.

PFAFF

AG, Sewing Machine Factory, KAISERSLAUTERN

Locksfifch

Sewing

Buttonhole

Machine

•Jf/Zv-'

a )

BOOK

Inde

X

Section

1. Setting Up

2. Cleaning

3.

Needle

4. Inserting the

5. Threading

6. Winding the Bobbin 12

the

Machine 5

and

Lubricating 7

and

Thread

Needle

the

Needle

Page

10

11
11

7. Changing the Bobbin 13

8. Threading the Bobbin Cose 13

9. Regulating

the

Bobbin

Thread

Tension 15

10. Regulating the Needle Threod Tension 16

11.

Placement

of

the

Work

18

12. Starting the Mochine 18

13. Stopping the Machine 19

14.

Stopping the Machine

15. Regulating the Length of Buttonhole

16.

Changing the Number of Stitches per Buttonhole 24

17. Changing the Width of

While

Sewing 19

Bcur

and

Parallel 25

.22

18. Adjusting the Position of the Buttonhole in Relation to the

Cutting

Space

26

19. Regulating the Distonce Between Parallels 26

20. Exchanging the Buttonhole Knife 26

21.

22.

23.

24.

25.

Proper

The
The

Pulling

The

Position of Knife Holder 27

Needle
Bobbin

Thread
Thread

Trimmer

Trimmer

Off the Needle Thread and Releasing the Top Tension . .

Knife

Action

27
29

31

32

26. Dismantling the Hook 33

27. Timing the Hook 34

28. Regulating the Pressure on the Material 37

29. Changing the Buffer Spring 37

30. Adjusting the Stop Motion Lever 38

31. Adjusting the Brake Lever 39

32. Adjusting the Tripping Lever 39

33.

Adjusting the Hand Stop Lever

34.

Adjusting the Stop

35. Adjusting the Bar

Tripping

Tripping

Segment 42

Segment 44

41

36. Adjusting the Needle Bar Zero Lug 44

37. The

38. Adjusting the Tension Release

Feed

Cam

Broke 46

Tripping

Point 46

39. Adjusting the Starting Lever 46

40. Trouble Shooting 47

Instruction

Book

Automatic

This Instruction Book

nics

alike

and

therefore

put

av/ayinyour

PFAFF

Lockstitch

contains

should

files.

3114

Buttonhole

useful informoHon for

be

made

Sewing

available

operators

to

both

Machine

and

rather

mecha

than

be

Photo

1

Photo

2

The PFAFF 3114 is a special
whipstitch

and

purlstitch

purpose

buttonholes

sewing

with

machine which stitches

two

straightortaper

bars,

both
from

—I'/ifi" long/ completely automatically. With equal facility, the ma

chine

makes

eyelet-end

tions

extends

goods,

similar

from lightweight to

tricot

and

articles;inshort,

straightoreyelet-end

An

exclusive

mechanism

featureofthe

whatsoever.
handling of the work but
guides,

fobrics.

The

work clamps

gauges

various

subclassesofthe

and,

of Subclasses). When converting machines from one subclass into

note

that

subclasses1and

10

use

the

same

which

differ

according to the maximum lengthofthe buttonhole tiie

pective machine mokes. For sewing buttonholes in tricot materials

buttonholes

knitwear,

this

sports

versatile

buttonholes

PFAFF 3114 Is a

This large, clear

also

the mounting of

and

tape

guides which

Subclasses

PFAFF 31!4

in some instances, their

2; 3

and

feed

cams.

The

various

with

one

taper

bar.

heavyweight

and

workwear

machineisusedInevery

are

to be

fabrics

garments,

made.

bedplate

area

facilitates not only the

attachments,

are

used for manipulating knitted

differ

mainlybytheir

bar

tripping segments (see Table

4; 5, 6

and

12;aswellas7, 8, 9

subclass

machines

Its

rangeofapplica

and

includes linen

aprons

case

which is

freeofany

such as

feed

use

work

and

where

edge

cams,

another,

and

clamps

res

and

knitted fabrics, we supply a tape guide which is to be mounted on the

bedplate. Upon special request, the machines of this class will be equipped

with collar

and

cuff guides.

In most instances, the size of the

the

buttonhole

slotinmillimeters

40 lignes = 1 inch(1inch 25.4 millimeter)

The PFAFF 3114 is

availableInthe

button

or

inches.

following

is given in lignes, the length

varieties:

of

Lenghf

Buttonhole

'/4"-l"

Inside

of

Model

Dimensions

of

Feed

WIdfh

"/S4

-•'Ui

Work

Frame

Length

IVs.'

ClassofWork

Lingerie

Blouses

Corsetry

Stitch

with 2

Diagram

straight

bars

V/'-l"

"2"-lV4"

'//'-T/4"

V2"-l'/4'

Vs"

1"

^'4"-V

15/

'i/

^-1.

1"/

]19j

2"/,

1"/s

li

It*

]*9I

It*

l"/44"

Tricot
Knit

Goods

Ladies'

Wear

Sport

and

Work

Clothes

Extra

long

belt

and

slashes

flies

flaps

Clothing

Goods

button

slots

and

in

work

button

and

trouser

holes,
aprons

clothes

Ornamental

holesInlapels

sleeve

Buttonholesintrouser
front

pocket

Work
Staple

with2straight

with2straight

with 2

with2taper

with1taper

and

withttaper

and1conceoled

pear-shaped

with1straight

and

pear-shaped

l"/4

Work
Staple

Clothing

Goods

bars

bars

straight

bars

bar

bars

eye

and1conceoled

eye

bar

bar

V4"-l'/4"

1^744"

Work
Staple

Clothing

Goods

with1taper

and

and1concealed

pear-shaped

bar

eye

10

Lenght

Buttonhole

^/4"-T/4'

Inside

of

Model

Dimensions

of

Feed

Width

Work

Frame

Length

ClassofWork

Work

Clothing

Staple

Goods

with 1

Stitch

straight

and

Diagram

and1concealed

pear-shabed

bar

eye

Tricot

30

V/'-V

12

30
14

As shown in

operator.

When

and
ready-assembled.
the felt

the

front

732

l"/64

Jl/..

1''/S4

1.

Setting

photo

1, the

PFAFF

supplied with individual

has to be mounted on the

For this purpose,

pads

on the

of the

tablesothat

table

projection

edge

(with

Tricot,
(with

Up

3114 is

power

power

Knitwear

gimp

guide)

Knitwear

gimp

guide)

the

table,

table

place

the front

and

that

ly in the middle of this projection. Now the machine

mounted
Make
Mount

hinges.

Make

direction,asindicated

on the

base

sure

that

the machine

both

driving

particularly sure

and

belts,

by

connected

rests

properly

attach

that

the

the machine pulley

the

arrowinphoto

with its hinges.

belt

TheVaHP electric motor performsata constant

is provided with a

in

two-speed

diameter

pulley No. 99057, with

with the machine

When in

permanent

r.p.m. for the first six weeks.

two-speed

and

permitsasewing

and

allows

operation, the

pulley No. 99056 which

diameters

for a

sewing

PFAFF

After

3114 should be

this time the

to 2,000 r.p.m. by exchanging the mofor pulley.

with1taper

with 1

taper

bar

bar

Machine

set

up with its

the

headispacked

which comes from the factor/i

the cast-iron machine

edge

of the

the

baseispositioned

on the

rubber

guard

and

always

23.

speed

speedof1,800 s.p.m. A second

of ond P'/a:"* comes

speedof2,000 s.p.m.

speed

head

facing the

separately

base

base

is flush with

head

is carefully

blocks.

screwitdown

rotates

in the right

of 1,400 r.p.m.

measures

S^/g"

operatedat1,800
may

be increased

and

exact

on its

and
and

-5

When using first-rate thread, the sewing

2,200 r.p.m. For this purpose, mqtor pulley No.

4^/32"

and

When ordering motor pulleys,

shaft.

In

those

cases

has to be used, a
set

up on individual

is avoi-lobleatextra

whereamotor

speed

reducer will be furnished for the

power

table. The

please

withahigher

should be specified on the order. High-speed motors

because

ratios.

the small pulleys

they

require

speed

may

cost.

specify the

speedisalready

typeofspeed

have

very

even be increased to

99058,

diameter

are

unfavorable

To facilitote mounting the PFAFF 3114 on an existing
system,
and with the

is
speed

With a line

is

When

diameter

sewing

it is

advisabletoprocure

conveyedtoihe

necessary

pulley.

shaft

cutouts

machinebymeansoftwo

speedof300 r.p.m., a line

requiredtoobtainasewing

using

thread

may

speedof2,200 s.p.m.

ofasuperior

be

used

after

from us a

and

holes. From the line

table

jockey

shaft

pulleyof9^'/32"

speedof1,800 s.p.m.

quality,

the breaking-in

a line

period

fop in the

pulleys

shaft

with diameters

of the motor

on

PFAFF

reducer

hand

3114 when

required

not recommended

transmission

power

shaft

pulley

so

astoobtain

proper

pulley,

and

of

benching

length

power

one

diameter

11

of

end

two-

,a

Photo

3

Photo2depicts

the belt guard. The

on within

The long chain which

lifting lever L on the
the

toble

depending

the

dispositionofthe

easy

treadles

reachofthe

top,

on the angleofinclination

left

and

connectedtothe

for

operator.

serves

to lift the

sideofthe machine,

two-speed

operating

work

second

desired.

and

jockey

pu'Ileys

the macNine should be

clampissuspended

passed

or third hole in the

through the

left

and

screwed

from

hole

treadle,

the

The short chain is suspended from the starting lever inside of the machine

base

endisconnectedtothe

Whereas

shown in
mounted

the

PFAFF 3114 is

photos1and2,when

lengthwise of the

right

treadle.

exclusively

usedingarment

toble

(Photo 3)

setupcrosswiseofthe

when

manufacture,

used

in the

table,

it is

manufacture

as

often

of linen and tricot goods. Since the buttonholes in these articles, e.g. men's
shirts,

extend

the machine

When

delivered,
prevenlive
should be

lengthwise of the buttonhole facing, this

greatly

lubricant which,

removed,

facilitates

2.

all

polished

its

operotion.

Cleaning

and

the machine thoroughly rinsed with

and

Lubricating

partsofthe machine

together

with the

are

dust

way

of setting up

coated

accumulated

with a rust-

in transit,

kerosene

ir>

ot

Photo

4

all oiling points. Then

ably

remove

without

being

the bobbin

threaded.

points (see Section 12).

In

ordertoreach

the

belt

to the

guord,

left

The oiling

feasible,

are

points

and

marked

the

tip the

rest

ore

place

a piece of fabric under the work clamp,

cose

cap,

and

This

done,

oiling

pointsinthe

belt

guard

back,

it carefully on the

markedbyarrows

with

red

pqint

UlUUIBBSf

run the machine a short while

apply

sewing machine oilatall oiling

machine

tilt

wooden

over

bed,

the

machine

in the illustrations

and

the

work

open

the

headofthe

rest

pfini.

and,asfar

"OEL"onthe

prefer

catch

machine

machine.

o;f

as

Photo

5

Special

a mechanismascomplexasth,is, it is impossible,ofcourse,tomark

care

should be taken

that

the

PFAFF

3114 be oiled properly. With

all

points of friction which should be oiled. Excessive oiling should be avoided

soasnottosoil

be

cleaned

and

the

work.Toensure

oiled

every

day.

uniform

stitches,

the

hook

race

must

After

oiling the hook,

traces

of

oil

•.V"t

left

on

sewafew

the

material.

n

Photo

6

butfonlioles on a

rag

until there

are

no

Special attention should be

paid

to oiling the slide collar x, on tripping

rod w so as to ensure reliable engaging and disengaging of the buttonhole

knife.

It cannot be emphasized enough

accumulationsoflint

withabrush

that

it is very important to remove the

several

timesaday

and

thus to

ensure

proper operation of the hook and the bobbin thread trimmer. This daily

and

cleoning and oiling witl increase the service life

the

hook

considerably.

the dependability of

Phot-o

7

3.

The PFAFF 3114

uses

Needle

System

and

134R

neediesinsizes

Thread

70—110.

The needle should be selected as thin as possible. The appropriate needle

size

to

the

depends

pass

needle

on the thickness of the

through the

must

not

needle

be

eye

chosen

thread

freely. For

too

thin

which should permit the

dense

and

to

resistant

avoid

needle

materials,

and

thread

thread

breaking.

For purlstitch buttonholes it is recommended to use a smooth No. 36-50/4-6-

cord,

thread

10

threadofan

in

the

bobbin.

even

twistinthe

needle,

andosoft

No.

60-120'3-cord

'Whipstitch

thread.

be

usedinthe

We

weights

the

Besides the quality of the
should be given due consideration

may
for

too

typeofwork.

The

weights most suitoble for the purpose the machine is intended for.
No

guarantee

the

neat

ofopoor

If

thereisany

to find

treadle

buttonholes

For

best

results, o

needle.

should like to

turn brittle

PFAFF 3114 is corefully stitched

recommended

end

long. Inferior

will be

appearance

qualityisused.

doubt

out

whether

halfway

call for the

soft

thread

stressatttvis

loose

quality

assumed

as well as the durability of the buttonhole if

about

the

down

threadorthe

and

4.

point

above

thread

it is its conditionatthe time of use whrch

their tensile

threads

for the

the

causeofthread

sew

the

Inserting

some

weightofneedle

oF an

even

and

that

strength

are

off

proper

with

only the very

for sewing buttonholes.

even

threads

when

completely

threads

working of the machine

shouldbeused

because

breaking

machineisat

buttonholeathalf the

the

Needle

moderate

storedindry

and

twist

best

threads

of superior quality

unsuitable for this

of the

grades

and

fault,

press

normal

you

the

bobbin

should

in

rooms

and

end

thread

want

right

speed.

The needle. System 134R, is linserted inio the needle

bar

with the long

groove facing the arm standard, and is pushed up as far as it will go.

5.

As shown in

the

thread

Threading

photc»s

from the threod unwinder through the hole in spool pin 1,

4 and 8, the

PFAFF

the

Needle

3114

Js threaded as follows: Pass

be

tween the discs of top tension 2, at the beck of threod pull-off pin 3,

through

thread guide 4 and the upper hole of thread guide 5, between the

discs of main tension 6, through thread check spring 7, under thread regula

tor 8,

through

thread guide9 and take-up lever

10,

through

thread guides

12 and 13 on top and bottom of the face plote and on the needle bar, ond

back-front through the needle

eye

14.

After threading the needle and before commencing to sew the first button

hole, lay the needle thread toward you

bobbin

thread

with your

hand

under the

under

the work clamp and hold the

needle

plate.

11,

11

a

Phofo

8

6.

Winding

When

set

the table top; when set up on power benching, it is disposed on c cast-

up for individual

iron

base.

After

loosening the

is secured on the belt guard can be moved sideways as may be required

to

align

the

tension

The thread is

between

Depressing lever 5 will

When

The

screw

tension

the bobbin is

amount

of thread

6:

discs

passed

discs3,to

power

and

from spool 1 through thread guide 2, oround

bobbin

engage

full,

the bobbin winder

which

is to be

Turning it right—More
Turning it

fhe

Bobbin

(Photo

9)

drive, the bobbin winder is mounted on

set

screws,

the

bobbin.

the bobbin winder.

left

4.

wound

—Less

the

winder

will

on the

thread

thread

thread

throw off automatically.

bobbin

tension which

is regulated by

and

12

7.

Changing

Photo

9

the

Bobbin

With thumb and forefinger of your left hand seize the bobbin

10).

the latch and pull it out of the hook (Photo

As long as the lotch is held

open, the. bobbin cannot fall out.

8.

Threading

Insert

the

full

clockwise

bobbin

when

Hold the bobbin and pull the

tension

spring.

the

into

thread

the

,is

bobbin

pulled

thread

the

Bobbin

case

off

(Pholo 11).

info slot 1

Case

capsothat

and

it will

toward

case

cap by

rotate

counter

you under the

13

Photo

10

Photo

11

14

Photo

12