Pfaff 5463 Service Manual

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PFAFF

High-Speed

Sewing

U.S.

Federal

Machine

Service

Two-Thread

Stitch

Type

5463

Chainstitch

401

Manual

G.M.

PFAFF

AG

KAISERSLAUTERN

BRANCH

,-v

•

• . -•

a •

Ji.

R9430

Pfaff 5463 two-thread chainstitch, high-speed sewing machine

asymmetric

power

table.

set

up on

1.

General

The

which

new

makes

Pfaff

5463isa

the

two-thread

flat-bed

high-speed

chainstitch.U.S.

sewing

Federal

machine

Stitch

Type

fitted

withatransverse

401.

iooper

Equipped
built

size.

The

two-thread

regulator.Inaddition,itis

needle

6,000

For the time being, the machine is available in two varieties:

The

of two-thread chainstitching.

The

duces two lines of two-thread chainstitching, using four threads.

Thelatter

6.4

2.

Insert

as it

screw

with

ordinary

into

the

Pfaff

463

essential

difference

chainstitch

bar

and

replaces

s.p.m.and makes up to

Pfaff

5463-801isequipped

Pfaff

5463-802,

varietyisavailable

mm.

Inserting

the

needle

will

go.

securely.

the

into

Turn

on the other

Needle

it so that its

drop

feed,

this

machine

and

closely

resembles

between

sewing

the

the

both

machines

mechanism

fitted

withathread

conventional

5V2

stitches to the

with

one

hand,isfitted

at present in needle gauges of about

opening

ofthe

long

groove faces

follows

this

liesinthefact

andadisc-type

take-up

link

take-up.

inch.

needle

and

with

needle

bar or

the

latter

machineinits

lever

The

Ituses

one

two

needles

needle

toward

Pfaff

Iooper

same

basic

mechanical

exterior

that

the

Pfaff

rather

thanalink-type

whichisrigidly

5463

attainsatop

4463kKneedles.

and

producesasingle

and

two

Vw"

and

holder

and

you and

tighten

principle

design

5463

features

mounted

speed

loopers

pushitup

and pro

V4",

or 4.8 and

the needle set

and

a

feed

onthe

of

line

as far

3.

Adjusting

The needle bar frame should be positioned so that the needle

close

to its

To adjust the position of the needle bar frame in the direction of sewing, turn the eccentric

studatthe

Ifthe position of the needle bar frame requires adjustment crosswise of the direction of sew

ings, push it to the right or left in its bearings, as appropriate.

the

Needle

near

end, without actually touching it.

needle-bar-endofthe

Bar

machine

Frame

withascrewdriver.

will

enter the needle plate slot

4.

Adjusting

The

lobeofthe

top

of its

point

down

the

feed

stroke.

At the

perpendicularly.

Feed

lifting

same

Dog

eccentric

time,

the

should

borehole

pointupwhen

in the

balancing

the

needle

collarofthe

bar

has

reached

eccentric

the

should

When the feed dog is at its highest point, its teeth should protrude from the surface of

the

needle

platebyabout

,or1.2 mm.

Timethe feed dog so that it

risen

clearofthe

4.1 Timing
To time

the

the

feed

needle

Feed

motion,

shaft, as may be appropriate (Fig. 1). If the feed

this guide backward; if it is supposed to begin earlier,

Motion

will

start to advance the material right after the needle point has

plate

slot.

loosen

set

screws

a in

the

dovetail

motion

guide

and turn

is supposed to begin later, turn

forward,

i.e. toward you. After this

this

guide

on its

adjustment, tighten set screws a securely. Anyretiming of the feed motion necessitates a re

timing of the looper motion in relation to the needle stroke.

4.2

Setting

the

Loopertothe

To do this, turn the balance wheel toward you

line of the needle as the looper moves toward the

of the

looper

point

and the edge of the

posite

direction

make

sure the

If

adjustmentisrequired,

regulator,asmay

Fig. 1

until

relative

be appropriate.

the

looper

vertical

Needle

pointisagain

positions

loosen

Then

until

needle

eye.

opposite

of the looper

set

screwsb(Fig.1)and

tighten

set screws b securely.

the looper point is opposite the center

left.

Note the relative vertical positions

Then

turn

the

balance

the

center

point

and the needle eye are the same.

rotate

wheelinthe op

lineofthe

the

gearonthe

needle

feed

and

s

a

;

i2

/

/

a =

Set

screws

on dovetail

b =

Set

a

screwsongear

guide

5. Adjusting and

5.1 Setting the Looper at the Correct Height

The looper

face

5.2

with

Setting

should

the

the

thread

Timing

the Looper

be set so that its underside rests on the

grooveispositionedatright

Looper

Point

in Relation to

the

angles

Center

to the

Line of

looper

sewing

the

Needle

holder

and its inner sur

direction.

When the descending needle reaches the lowest point of its stroke, the looper should be

at the extreme right of its stroke. When the looper is at this position, there should be a

''U*",

or 3.6

rnm,

clearance of about

(Fig. 2).

between its point and the center line of the needle

Ifadjustment is required, loosen clamping screw d (Fig. 3) and. with the aid of wrench SW 6,

turn eccentric ball stud c (Fig. 2) which connects the looper holder with the driving rod. as

may be required. After this adjustment, tighten the set screw securely.

Fig. 2

c =

Eccentric

ball

stud

5.3

Setting

the

Needleatthe

The vertical setting of the
stroke

and risen until it is

eye

(Fig. 3).

Fig. 3

Correct

needleiscorrect

opposite

Height

the advancing looper, its eye is in line with the looper

Clamping

if,

screw

afterithas

passed

the lowest point of its