Pfaff 3114 User manual

PFAFF

3114

Auiomatic

Locksfifch

Buttonhole

Sewing

Machine

INSTRUCTION

BOOK

•Jf/Zv-'

a )

G. M.

PFAFF

AG, Sewing Machine Factory, KAISERSLAUTERN

From the library of: Superior Sewing Machine & Supply LLC

Inde

Section

Page

1. Setting Up

the

Machine 5

2. Cleaning

and

Lubricating 7

Needle

and

Thread

4. Inserting the

Needle

5. Threading

the

Needle

6. Winding the Bobbin 12

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

the

Work

12. Starting the Mochine 18

13. Stopping the Machine 19

14.

Stopping the Machine

While

Sewing 19

15. Regulating the Length of Buttonhole

.22

16.

Changing the Number of Stitches per Buttonhole 24

17. Changing the Width of

Bcur

and

Parallel 25

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

Cutting

Space

19. Regulating the Distonce Between Parallels 26

20. Exchanging the Buttonhole Knife 26

21.

Proper

Position of Knife Holder 27

22.

The

Needle

Thread

Trimmer

23.

The

Bobbin

Thread

Trimmer

24.

Pulling

Off the Needle Thread and Releasing the Top Tension . .

25.

The

Knife

Action

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

Tripping

Segment 42

35. Adjusting the Bar

Tripping

Segment 44

36. Adjusting the Needle Bar Zero Lug 44

37. The

Feed

Cam

Broke 46

38. Adjusting the Tension Release

Tripping

Point 46

39. Adjusting the Starting Lever 46

40. Trouble Shooting 47

From the library of: Superior Sewing Machine & Supply LLC

Instruction

Book

PFAFF

3114

Automatic

Lockstitch

Buttonhole

Sewing

Machine

This Instruction Book

contains

useful informoHon for

operators

and

mecha

nics

alike

and

therefore

should

made

available

both

rather

than

put

av/ay

your

files.

Photo

From the library of: Superior Sewing Machine & Supply LLC

Photo

From the library of: Superior Sewing Machine & Supply LLC

The PFAFF 3114 is a special

purpose

sewing

machine which stitches

both

whipstitch

and

purlstitch

buttonholes

with

two

straight

taper

bars,

from

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

chine

makes

eyelet-end

buttonholes

with

one

taper

bar.

Its

range

applica

tions

extends

from lightweight to

heavyweight

fabrics

and

includes linen

goods,

tricot

and

knitwear,

sports

and

workwear

garments,

aprons

and

similar

articles;

short,

this

versatile

machine

used

every

case

where

straight

eyelet-end

buttonholes

are

to be

made.

exclusive

feature

the

PFAFF 3114 Is a

bedplate

which is

free

any

mechanism

whatsoever.

This large, clear

area

facilitates not only the

handling of the work but

also

the mounting of

attachments,

such as

edge

guides,

gauges

and

tape

guides which

are

used for manipulating knitted

fobrics.

Subclasses

The

various

subclasses

the

PFAFF 31 !4

differ

mainly

their

feed

cams,

work clamps

and,

in some instances, their

bar

tripping segments (see Table

of Subclasses). When converting machines from one subclass into

another,

note

that

subclasses

and

2; 3

and

4; 5, 6

and

12;

well

7, 8, 9

and

use

the

same

feed

cams.

The

various

subclass

machines

use

work

clamps

which

differ

according to the maximum length

the buttonhole tiie

res

pective machine mokes. For sewing buttonholes in tricot materials

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

button

is given in lignes, the length

the

buttonhole

slot

millimeters

inches.

40 lignes = 1 inch

inch 25.4 millimeter)

The PFAFF 3114 is

available

the

following

varieties:

From the library of: Superior Sewing Machine & Supply LLC

Lenghf

Buttonhole

'/4"-l"

V/'-l"

"2"-lV4"

'//'-T/4"

V2"-l'/4'

Vs"

^'4"-V

V4"-l'/4"

Model

Inside

Dimensions

Work

Feed

Frame

WIdfh

Length

"/S4

-•'Ui

'i/

It*

15/

It*

^-1.

IVs.'

1"/

]19j

2"/,

1"/s

]*9I

l"/44"

l"/4

1^744"

Class

Work

Lingerie

Blouses

Corsetry

Tricot

Knit

Goods

Ladies'

Wear

Sport

and

Work

Clothes

Extra

long

button

holes,

belt

slots

aprons

and

work

clothes

Ornamental

button

holes

lapels

and

sleeve

slashes

Buttonholes

trouser

front

flies

and

trouser

pocket

flaps

Work

Clothing

Staple

Goods

Work

Clothing

Staple

Goods

Work

Clothing

Staple

Goods

Stitch

Diagram

with 2

straight

bars

with

straight

bars

with

straight

bars

with 2

straight

bars

with

taper

bar

with

taper

bars

with

taper

and

conceoled

bar

and

pear-shaped

eye

with

straight

and

conceoled

bar

and

pear-shaped

eye

with

taper

and

concealed

bar

and

pear-shaped

eye

From the library of: Superior Sewing Machine & Supply LLC

Lenght

Buttonhole

^/4"-T/4'

V/'-V

Model

Inside

Dimensions

Work

Feed

Frame

Width

Length

732

Jl/..

l"/64

1''/S4

Class

Work

Clothing

Staple

Goods

Tricot

Knitwear

(with

gimp

guide)

Tricot,

Knitwear

(with

gimp

guide)

Stitch

Diagram

with 1

straight

and

concealed

bar

and

pear-shabed

eye

with

taper

bar

with 1

taper

bar

Setting

the

Machine

As shown in

photo

1, the

PFAFF

3114 is

set

up with its

head

facing the

operator.

When

supplied with individual

power

table,

the

head

packed

separately

and

has to be mounted on the

power

table

which comes from the factor/i

ready-assembled.

For this purpose,

place

the cast-iron machine

base

and

the felt

pads

on the

table

that

the front

edge

of the

base

is flush with

the

front

edge

of the

table

projection

and

that

the

base

positioned

exact

ly in the middle of this projection. Now the machine

head

is carefully

mounted

on the

base

and

connected

with its hinges.

Make

sure

that

the machine

rests

properly

on the

rubber

blocks.

Mount

both

driving

belts,

attach

the

belt

guard

and

screw

down

on its

hinges.

Make

particularly sure

that

the machine pulley

always

rotates

in the right

direction,

indicated

the

arrow

photo

23.

The

HP electric motor performs

aconstant

speed

of 1,400 r.p.m.

and

is provided with a

two-speed

pulley No. 99056 which

measures

S^/g"

and

diameter

and

permits

sewing

speed

1,800 s.p.m. A second

two-speed

pulley No. 99057, with

diameters

of ond P'/a:"* comes

with the machine

and

allows

for a

sewing

speed

2,000 s.p.m.

When in

permanent

operation, the

PFAFF

3114 should be

operated

1,800

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

After

this time the

speed

may

be increased

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

-5

From the library of: Superior Sewing Machine & Supply LLC

When using first-rate thread, the sewing

speed

may

even be increased to

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

99058,

with diameters

4^/32"

and

is avoi-loble

extra

cost.

When ordering motor pulleys,

please

specify the

diameter

of the motor

shaft.

those

cases

where

motor

with

higher

speed

already

hand

end

has to be used, a

speed

reducer will be furnished for the

PFAFF

3114 when

set

up on individual

power

table. The

type

speed

reducer

required

should be specified on the order. High-speed motors

are

not recommended

because

the small pulleys

they

require

have

very

unfavorable

transmission

ratios.

To facilitote mounting the PFAFF 3114 on an existing

power

benching

system,

it is

advisable

procure

from us a

table

fop in the

proper

length

and with the

necessary

cutouts

and

holes. From the line

shaft

pulley,

power

conveyed

ihe

machine

means

two

jockey

pulleys

and

one

two-

speed

pulley.

With a line

shaft

speed

300 r.p.m., a line

shaft

pulley

9^'/32"

diameter

required

obtain

sewing

speed

1,800 s.p.m.

When

using

thread

superior

quality,

a line

shaft

pulley

diameter

may

used

after

the breaking-in

period

obtain

sewing

speed

2,200 s.p.m.

Photo

From the library of: Superior Sewing Machine & Supply LLC

Photo

depicts

the

disposition

the

two-speed

and

jockey

pu'Ileys

and

the belt guard. The

treadles

for

operating

the macNine should be

screwed

on within

easy

reach

the

operator.

The long chain which

serves

to lift the

work

clamp

suspended

from

the

lifting lever L on the

left

side

the machine,

passed

through the

hole

ir>

the

toble

top,

and

connected

the

second

or third hole in the

left

treadle,

depending

on the angle

inclination

desired.

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

base

end

connected

the

right

treadle.

Whereas

the

PFAFF 3114 is

exclusively

set

crosswise

the

table,

shown in

photos

and

when

used

garment

manufacture,

it is

often

mounted

lengthwise of the

toble

(Photo 3)

when

used

in the

manufacture

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

shirts,

extend

lengthwise of the buttonhole facing, this

way

of setting up

the machine

greatly

facilitates

its

operotion.

Cleaning

and

Lubricating

When

delivered,

all

polished

parts

the machine

are

coated

with a rust-

prevenlive

lubricant which,

together

with the

dust

accumulated

in transit,

should be

removed,

and

the machine thoroughly rinsed with

kerosene

Photo

From the library of: Superior Sewing Machine & Supply LLC

all oiling points. Then

place

apiece of fabric under the work clamp,

prefer

ably

remove

the bobbin

cose

cap,

and

run the machine ashort while

without

being

threaded.

This

done,

apply

sewing machine oil

all oiling

points (see Section 12).

order

reach

the

oiling

points

the

machine

bed,

open

the

catch

o;f

the

belt

guord,

tip the

belt

guard

back,

tilt

over

the

head

the

machine

to the

left

and

rest

it carefully on the

wooden

machine

rest

pfini.

The oiling

points

ore

marked

arrows

in the illustrations

and,

far

feasible,

are

marked

with

red

pqint

and

the

work

"OEL"

the

machine.

UlUUIBBSf

Photo

Special

care

should be taken

that

the

PFAFF

3114 be oiled properly. With

amechanism

complex

th,is, it is impossible,

course,

mark

all

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

not

soil

the

work.

ensure

uniform

stitches,

the

hook

race

must

cleaned

and

oiled

every

day.

From the library of: Superior Sewing Machine & Supply LLC

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