Pfaff 469 Instruction Manual

m

®

PFAFF

CIfafD

Instruction

Book

(PFAFP

f

469

High-Speed
Differential-Feed

Lockstitch

Instruction

Sewing

Machine

Book

G-M

PFAFFAG

KAISERSLAUTERN

BRANCH

Foreword

The

scope

of this book is confined to such instructions as are conditioned by variations in the

design of the Pfaff 469 high-speed differential-feed sewing machine as compared with other

Pfaff

high-speed

An

outstanding

bearingsinthe

Another salient feature is the arrangement of the feed driving and feed lifting eccentrics on the

bottom

rather

belt

and

drives

in an oiltight gear case and are lubricated by an oil-soaked foam plastic sheet. The assemblies

controlling the differential-feed are disposed on two shafts inside and outside the gear case.
The sewing hook is lubricated by means of a gravity lubrication system incorporating a

centrifugal

Since the arm shaftisbeltedto the

the

V-belt.

Additional features of this

forward-reverse

Operators will like the modern functional design and the stream-lined belt guard which is

attachedtothe

feature

machine

than

the

switch.

seamers.

the

hook

feed

control,

machine

ofthe

Pfaff

469

isthe

incorporationdfsealed-for-life

arm

and

the

needle

head.

arm

shaft.

The

bottom

shaftisdriven

shaft

by means of helical gears. These driving elements are

motor,

the

new

high-speed

built-in

arm.

bobbin

seamer

winder

'

from

the

machine

c^n be tilted back without

are a novel stitch length control,

and

built-in

lifting lever. •

arm

ball

and

shaftbya

needle

cleated

enclosed

remoylng

separate

G.M.PFAFF

AG

R

8766

1.

Setting

Like all

feed

bracket

The front corners of

cushions

At

the

hinge
The

there

2.

Mounting

the

sewing

and

which

back,

brackets.

machine

Is will be

Up

the

other

modelsinthe

machine

cushion

are

the

new-type

This

is carefully

absorbed

the

Machine

can only be

set

the

bedplate are face-milled on

recessed

hinge

mounting

balanced

almost

V-Belt

The machine are shipped with

head

slightly

and

place

the

beltonthe

new

rangeofhigh-speed

set

up on a

power

the

into

the

tabletop.

studs

connect

prevents

the

and

completelybythe

the

belt guard removed. To mount

machine

the

machine

causes

practically no vibration.

rubber

and

seamers,

table

the

fitted with

Pfaff

the

469

new

underside and rest on matching

machine

from

motor

with

the

pinsinthe

comingincontact

hinge

brackets.

the

V-belt, lift

pulleys.

with

Whatever

differential-

rubber

hinge

rubber

two

rubber

the

tabletop.
vibration

the

sewing

Both belt guard sections are secured to the arm standard by inserting screw d through hole

b3

and spacing sleeve c in the rear section into screwhole d1 in the machine base and

tighteningitsecurely.

Slightly turn

holding them

back

To tighten

3.

Test-Running

Before you test-run

transit. Be

The

Pfaff

out

wallofthe

the

suretouse

469

screws a1 anda2(Fig. 1) and push the

closetothe

belt

screws, insert

must

machine so

guard.

the

the

Machine

the

machine, carefully remove all dirt

onlyabrush

neverberinsedorcleaned

that

the

screwdriver through

andacleaning

above

with

two

screws

enter

openings

which

rag for

this

purpose.

kerosene'because

belt guard sections together,

the

appropriate slots in

b1 andb2(Fig. 2).

may

have

accumulated

there

is a

danger

the

that

the cleaning fluid enters the sealed-for-life bearings and dissolves the grease. For the same

reason, kerosene or gasoline must not be used for the regular cleaning of the machine.

Never

attempt

to eliminate hard working of

the

machine by squirting oil freely into

the

bearings

which you believe to be responsible for this fault. If oil enters the sealed-for-life bearings,

out

the grease will be thinned and flung

ineffective.

9145

R

of the bearing, thus rendering permanent lubrication

R

Fig. 1

9144

Fig.

in

;

2

4.

Winding

the

Bobbin

The new high-speed seamer is fitted with a bobbin winder which is incorporated in the face

cover

rather

than

mounted

previously (Fig. 5).

operatortowind

The bobbin winder driving motion emanates from the take-up crank. When the bobbin winder

is engaged,
stud K

driving

which

winder spindleis

lubrication.

To

engage

the

spindle

It is retained until a sufficient amount of thread has been wound on the bobbin. The thread
wound on the bobbin pushes the cam up and thereby stops the bobbin winder. The amount

(Fig.

ofthreadto be woundon the

a higher or lower, as may be required. Set the cam higher for more thread, or lower for less

thread.

Arranged

bobbins

crank F at the

engagesthe crankand, inthis

carried

bobbin winder, simply

4). Thisaction causes the

at the

balance-wheel

end

of the

machine,aswas

customary

at a convenient height, it is easy to operate and enables the

quickly

and

rear

neatly.

end of

way,

spindle

17 is pushed into the

drives

the

bobbin

winder

(Fig.

circular

3).The

path of

bobbin

in a self-lubricating sintermetal bearing which requires no additional

bobbin

depress

can be

stop

latch a located

spindle

to shift

regulatedbyloosening

slightly

R

above

the

to the

rightinwhich

screw b and settingcam

8643

bobbin

winder

position

4

Fig. 3

Fig, 4

shows

how

to thread
right-hand spool pin of
through

and

it is

windafew

the

Depending on

The

Turn

if

The

the top thread guide of the thread stand,

14,

clockwise

recommendedtotake

bobbinonspindle

thread

this

nut

the

thread

set

screw

around

turnsonthe

the

type of thread used, it

tensionisregulatedbyturning

clockwise

should

which

the

thread

bobbin,

17.

foralooser

pile up at

secures

the

machine for bobbin winding. Place

thread

stand.

Lead the thread from spool1a(Fig. 4) up and

tension15andtobobbin

the

thread

afterithas

then

leaditclockwise

shouldbewoundonthe

thumb

tension,orcounter-clockwise

one

endofthe

this

studinposition

bobbin,

Whenever you have removed an empty bobbin from

on it,

place

it on

the

bobbin

winder

spindle

and

start

It is a

wasteoftimetowork

withasingle

bobbin

requires an additional unthreading and threading of

winding

the

bobbin.

down

and

through

16.

been

pulled

through

around

thread

nut18backofthe

foratighter

adjust

the

positionofthe

canbereached

the

machine, wind a

the

winder.

or a

single

the

spoolofthread

needle,

from

and

the

spoolofthreadonthe

thread

guides

12,

thread

guide14and

tension15and

place

bobbin tighter or looser.

tension

discs

(Fig.

tension.

tension

stud.

below.

few

turns

of thread

because

you

cannot

sew

while

13

4).

this

R

9141

Fig. 4

5.

Threading

the

Needle

Because of the high speed of this machine, it is particularly importantthat the thread passes

to

the

needle

smoothly.

Lead

the

thread from spool 1 up to the top thread guide of

thread guide 2. it is recommended to pass the thread first through the

to bottom and then through the transverse hole of the guide, as shown in Figs. 5 and

the

thread

stand

vertical

and

hole

down

from

top

5a,

in order to prevent it from snarling up on the guide and breaking.

Now lead the thread through all three holes of thread retainer 3 (from top to bottom), clockwise
around and between tension discs 4, through thread check spring 5, under slack thread

regulator 6, through thread guide 7. from right to left through the hole In take-up lever 8.

through

thread

guides

7, 9

and

10,

and from left to right

through

R

9148

needle eye

11.

to

Fig.

5a

m

Fig. 5