Singer 263-1 Manuale utente

Form

21289

(964)

SINGER

Service Manua

MACHINE

263-1

THE

SINGER

COMPANY

All

Rights

Reserved

under

Inler-Americon

Union

Tredemerlc

THE

SINGER

COMPANY

Printed

In U. S. A.

From the library of: Superior Sewing Machine & Supply LLC

COHTENTS

DESCRIPTION

INSTALLATION

LUBRICATION

OPERATOR

INFORMATION

4-6

ADJUSTMENTS

7-15

PARTS

CHART

Rear

Book

INDEX

AuxilioryThreod Toke-Up 12

Bight 9

Couses

of Troubles, Check

List

Centrolizing Feed

Dog

Centrolizing Needle Bor 8

Cleoronce

under

Presser

Foot

Description of Mochine 3

Dimensions

Mochine

Bed

Federol Stitch Types 401 ond 404 3

Feed Timing 13

Feed Dog Adjustments 14

Feed

Eccentric

Feeding Movement 13

Feed Lifting Eccentric 13

Instollotion

Knee

Lifter

Length of Stitch 3, 7

Leveling

Feed Dog. 14

Looper Gouge Distonce .9

Looper, Needle-Avoiding

Motion

Looper Positioning (Front ond Reor)

from

Needle

Looper-Threod Retoiners 12

Looper-Threod Toke-up (Double) 3, 11

Looper-Threod Tension 6, 12

Looper-Threod

Tension

Releoser

3, 12

Looper Threoding .6

Looper

Timing 9

Lubricotion

Mochine

Bose

ond Oil

Reservoir

.3, 4

Mochine Pulley 3

Needle-Avoiding

Motion

Needle, Cotolog 2796 3, 4

Needle Setting 5

Needle Threoding 5

Needle Bor, Centrolizing 8

Needle Bor Height 10

Needle

Bor

Stroke

Needle

Bor Throw 3, 8, 9

Oil

Recommended

Ports

Reor

Book

Presser

Bor Height 7

Pressure

Moteriol

Puckered

Seoms,

Causes

Skipped

Stitches,

Couses

Speed

Stitch

Length 3, 7

Stitch

Types

401 ond 404 3

Toke-up, Auxiliory 12

Toke-up, Double 3, 11

Tensions

Tension

Releoser

3, 12

Threod Breoking,

Couses

Threod

Recommended

Threod

Retoiners

Threoding 5, 6

Tilting the Feed Dog 14

Trouble

Check

List

Zigzog

Movement .8, 9

ALL

WHOM

MAY

CONCERN:

The

improper

placing

or renewal of the Trademark SINGER* or any other of the Trademarks of

The

Singer Company

(all

of which

are

duly

Registered

Trademarks)

an any

machine

that

has

been

repaired,

rebuilt,

reconditioned,

altered

in any way

whatsoever

outside

a SINGER factory or an

authorized

SINGER

agency

is forbidden.

From the library of: Superior Sewing Machine & Supply LLC

DESCRIPTION

Machine 263-1 Is o high

speed,

two thread, chain

stitch, zig-zag machine for attaching

lace

to night

gowns,

slips,

panties,

etc.

SPECIAL

FEATURES

Federal

Stitch

Types

401

and

404.

One needle, one looper.

Needle, Catalog 2796.

Double iooper-threod

take-up.

Tension

releaserfor

looper thread and

needle

thread.

Needle bar has a throw of up to

1/8

inch. Vibrates

both

sides

centerline.

Length

stitch,

9 to 16

stitches

per

inch.

Drop

Feed.

Needle bar

stroke,

1-3/16

inches..

Clearance

under

presser

foot,

3/16

inch.

Dimensions of bed: Length,

15-3/4

inches;

width, 7

inches;

space

right of

needle,

inches.

Automatic lubricating system delivers oil to all

principal

bearings.

Oil flow window in

direct

view

operation.

Head-end lubrication and oil-return system. Needle

bar bushings lubricated through wicks from arm

shaft

bushings.

Three plain super

finished

bearings

position

and

Support

the

arm

shaft.

Rotary bed

shaft

gear

driven.

Knee lifter integral with machine

base

and oil

reser

voir.

Machine provided with

seat

for independent light

fixture mounting.

MACHINE

PULLEY

Machine pulley 146512, for

3/8

inch V-belt, has an

outside

diameter

belt

groove

2.9

inches.

Effective

diameter

for

5/16

inch

round

leather

belt

2-3/8

inches.

When

in operation,

the

top of the machine pulley

must

always

turn over toward

the

operator.

INSTALLATION

Machine

base

and

oil

reservoir

shown in

Fig.

fits

into

standard

table

cut-out

and

rests

four

cor

ners

without

bolting.

Rasp edges of cut-out if necessary, as

base

must be

located

that

machine

does

not

touch

table.

Use

shims on corners if

necessary,

to prevent

base

from

rocking.

NECESSARY;

USE

SHIMS

CORNERS

PREVENT

ROCKING

Base

must

level

both

directions

that

oil

level will be

accurately

indicated

by marks on

base.

Machine bed

rests

felt

gasket

base.

Fig. 2,

and

is not

bolted

down.

Machine

hinge

pins

must

not

support machine head

except

when it is

tilted

back.

CAUTION:

not

run

machine

until

has

been

thoroughly lubricated

instructed

next.

NECESSARY:

USE

SHIMS

CORNERS

PREVENT

ROCKING

BASE

MUST

LEVEL.

BOLTING

KEEP

FELT

PAD

PLACE

GASKET

Fig.

2. Machine

Base

and Oil

Reservoir

From the library of: Superior Sewing Machine & Supply LLC

liii-

IT-fSrftafl

LUBRICATION

BEFORE

STARTING

MACHINE:

FILL

HIGH

MARK

CHECK

OFTEN

NEVER

ALLOW

OIL

FALL

BELOW

LOW

MARK

OIL

RESERVOIR

HOLDS

1-3/4

PINTS

Fig. 3.

Lubrication

SATURATE

WICK

SATURATE

WICK

Fig. 4. Priming Needle Bar Bushing

Wtclcs

SHOULD

SHOW

STEADY

FLOW

OIL

Fig.

5. Oil

Flow

Window

Machine

has

on automatic lubricating

system

which oil is

circulated

from

the

reservoir by means of

centrifugal

pump below

the

bed.

Before

starting

machine,

the

oil reservoir, which

holds

approximately

1-3/4

pints,

must be filled to

high mark, as shown in Fig. 3.

Use

SINGER*

OIL

"TYPE

C".

Use

"TYPE

OIL

when

oil

desired

which

will

produce

aminimum of

stain

fabrics.

Do not

use

additives

in sewing machine oil,

they

may

cause

reduction

in normal oil flow

that

can

sult

in damage to machine.

PRIMING:

When

machine

new

has

been

idle

for sometime, remove

face

plate

and oil upper and

lower needle bor bushing wicks, shown in Fig. 4, by

hand. The automatic oiling

system

will function effi

ciently

after

the

first

few minutes of operation.

Check oil level often to keep it

from

going below

mark.

CAUTION: If

the

flow of oil

passing

the oil flow

window shown in

Fig.

should

stop

become

erratic,

stop

machine immediately and do not run machine until

the

trouble

has

been

eliminated.

SPEED

The

maximum

speed

for

this

machine is

5000

stitches

per minute, according to

the

material being sewn and

the type of work being performed.

It is

advisable

operate

a new machine

speed

not

exceeding

4500

stitches

per minute for

the

first

100

hours

operation.

NEEDLES

For

best

results

use

SINGER*

needle,

Catalog

2796,

available

Sizes

and

16.

Size

needle

for a

specific

operation

determined

size

of thread end type of material to be sewn.

From the library of: Superior Sewing Machine & Supply LLC

HfBlfrf

•

SETTING

THE

NEEDLE

Turn

machine

pulley

over

toward

operator

until

needle bar is

highest point

shown in Fig. 6.

Loosen

needle

set

screw

and

remove

old

needle.

Insert

new

needle

into

needle

bar

far

will

go, making

certain

that

the

long groove on

the

needle

faces

toward the operator,

shown in Fig. 6. Then

tighten

needle

set

screw.

THREAD

Use left

twist

thread in

the

needle

and left or right

twist

thread in the looper.

determine

twist

thread,

hold

thread

shown

in Fig. 7. Twirl thread over toward you between thumb

and forefinger of right hand. If left twist, strands will

wind tighter. If right

twist,

strands

will unwind or

separate.

MOVE

HIGHEST

POINT

LONG

GROOVE

LOOSEN

SCREW

INSERT

NEEDLE

FAR

POSSIBLE

AND

TIGHTEN

SCREW

Fig,

Setting

the

Needle

HOLD

THIS

END

TWIRL

OVER

TOWARD

YOU

Fig.

7. Determining

the

Twist

Thread

UPPER

THREADING

Turn machine pulley over toward operator until

indicated in Fig. 8.

needle

bor is at

the

highest

point. Draw

about

two inches of thread through

needle

eye,

Pass

thread

from unwinder through threading

points

start

the sewing.

Fig.

8. Upper

Threading

From the library of: Superior Sewing Machine & Supply LLC

|\i

LOWER

THREADING

lEf

Pass

thread

from

unwinder

through

threading points

Draw

about two inches of thread

from

front to rear

as indicated In Fig. 9. through eye of looper, to start the sewing.

Rear

View

Fig.

Threading

the

Looper

Thread

Fig. 10.

Needle

Thread

Tension

Fig. 11. Looper

Thread

Tension

REGULATING

TENSION

THREADS

Tension

thread

should

light

possible

while

still

sufficient

set

the

stitch

material.

Regulate

needle

thread

tension

only when

presser

foot

down.

adjust,

turn thumb nut

front of

tension

discs,

shown in

Figs.

10 and 11

required.

REGULATING

PRESSURE

THE

MATERIAL

Presser

foot

pressure

material

should

light

possible

while

still

sufficient

insure

cor

rect

feeding.

adjust,

loosen

lock

nut

shown in

Fig.

and

turn

thumb

screw

toward

right

increase

pressure

toward left to

decrease

pressure.

Tighten

lock

nut

maintain

desired

pressure.

From the library of: Superior Sewing Machine & Supply LLC

PRESSURE

LOOSEN

LOCK

NUT

LESS

PRESSURE

Fig.

12.

Adjustment

for

Pressure

on Material

STITCH

LENGTH

To regulate

stitch

length, unscrew large

cap

from

top of machine arm and loosen the two clamping

washer

screws

shown in Fig. 13.

Rotate machine pulley away from operator approxi

mately 90

(1/4

turn) until regulating screw, shown in

Fig.

14 is

accessible.

Turn regulating

screw

for longer or shorter

stitch

instructed

Fig.

14.

Tighten clamping washer screws and replace cap.

PRESSER

BAR

HEIGHT

When

presser foot

rests

firmly

on throat plate

with feed dog below throat plate-, guide bracket

should just clear lifting bracket, as

shown

Fig.

15.

When

presser

foot is at

its

highest point and

needle

bar

its

lowest

point, top of

presser

foot must not

contact

needle

bar or

needle

clamp.

ADJUSTMENT: Loosen guide bracket clamp screw and

presser

bar stop screw shown in Fig. 15.

1. Position guide bracket so that it just clears

lifting bracket,

shown in Fig. 15. Align

presser

foot with feed dog. Tighten

guide

bracket clamp

screw.

Raise

or lower

presser

bar stop so

that

it pre

vents

presser

foot from striking

needle

bar when

presser

foot is

raised.

Then

tighten

stop

screw.

CLAMPING

WASHER

SCREWS

Fig.

13. Clamping Washer

Screws

LONGERi

REGULATING

SCREW

J-SHORTER

'-STITCH

Fig. 14. Stitch Length Regulation

CLEARANCE

LIFTING

BRACKET

STOP

SCREW

CLAMP

SCREW

GUIDE

BRACKET

PRESSER

BAR

STOP

Fig. 15.

Presser

Bar Height Setting

From the library of: Superior Sewing Machine & Supply LLC

ZIG-ZAG

MOVEMENT

REMOVE

SCREWS

REMOVE

PLATE

CENTERLINE

NEEDLE

BAR

FRAME

VERTICAL

POSITION

NEEDLE

BAR

HIGHEST

POINT

LOOSEN

BEVEL

GEAR

SCREWS

TIME:

ROTATE

THIS

GEAR

Fig.

16. Removing Oil Guide

Plate

Needle should begin

its

zig-zag movement

the

moment

that

needle

point

begins

rise

from material.

Needle should complete

its

zig-zag movement

just

fore

needle

point

re-enters

material.

During

its

zig-zag movement,

needle

should

cross

over

the

vertical

centerline

needle

bar

frame

the

same

moment

that

needle

bar

its

highest

point

{see

inset

Fig.

16).

adjust,

remove arm top cover from machine and

remove two

screws

and

plate

shown in

Fig.

16.

Loosen

REMOVE

SCREW

AND

PLATE

LOOSEN

SET

SCREW

ROTATE

ECCENTRIC

CENTRALIZE

THE

NEEDLE

ZERO

BIGHT

Fig. 18.

Centralizing

the

Needle

Fig,

17. Timing

the

Zig-Zag

Movement

the

two bevel

gear

screws,

Fig. 17. Turn machine pul

ley over toward operator until

needle

bar

reaches

its

highest

point.

Rotate bevel gear

required to time the zig-zag

movement of

needle

bar

(see

Fig. 17).

Securely tighten

the

two bevel

gear

screws

and

check

for binding or

excessive

play.

Replace oil guide plate and arm top cover.

CENTRALIZING

THE

NEEDLE

At zero

bight,

needle

should

penetrate

center

needle

hole

throat

plate.

Needle

must

not

contact

surface

of throat

plate

anytime.

correctly

position

needle,

remove

screw

and

small

plate

in top of machine

head

above

needle

bar

and loosen

set

screw, shown in Fig. 18.

Rotate eccentric on side of machine head, Fig. 18,

required

centralize

needle.

Securely tighten

set

screw

and

cover

it with

the

small

platens

shown in Fig. 18.

From the library of: Superior Sewing Machine & Supply LLC

BIGHT

Width

of zig-zag movement of the needle, while

stitching,

is termed the

"BIGHT".

adjust

the

width of bight, remove one cover

screw and loosen the other, allowing cover to drop, as

shown in Fig. 19.

Loosen

hex-nut and move lever with

nut

toward left for more bight or toward right for

less

bight,

instructed

in Fig. 19.

Tighten hex-nut and

replace

cover.

NOTE: Whenever bight adjustment is changed, looper

gauge must be checked and adjusted

instructed

below.

LOOPER

GAUGE

When

needle

is at extreme right position, and looper

at end of

backward

stroke,

distance

from

centerline

needle

to point of looper should be

5/32

inch,

shown in Fig. 20.

adjust,

loosen

clamp

screw

on ball

crank

arm,

shown in

Fig.

21.

Rotate

ball

crank

arm toward

right

left,

required, to obtain correct

distance.

Tighten ball crank clamp screw.

TIMING

THE

LOOPER

When

needle

bar is

its

lowest

position, looper

should be at the end of its backward stroke (just ready

to begin

its

forward

stroke).

set

the timing, remove bed

slides,

presser foot,

throat plate and feed dog. Loosen the two bevel gear

screws

located

machine pulley end of rotary bed

shaft (see Fig. 19). Turn machine pulley over toward

operator

until

needle

bar is at

lowest

point.

Turn rotary bed shaft (now free of

gear

action)

for

ward or backward by hand to

set

looper

extreme

right

position.

Tighten the two bevel

gear

screws

just

enough to

hold above

setting.

Obtain

correct

looper and

needle

eye

positions,

instructed

next, before finally

tighten

ing the two bevel gear screws securely.

HEX-NUT

BIGHT

LESS

BIGHT

Fig. 19. Adjusting Width of Bight

5/32*

NEEDLE

EXTREME

RIGHT

POSITION

LOOPER

END

BACKWARD

STROKE

Fig,

20.

Looper

Gauge

Distance

from

Needle

BALL

CRANK

CLAMP

SCREW

TWO

BEVEL

GEAR

SCREWS

ROTARY

BED

SHAFT

Fig. 21. Adjusting and Timing

the

Looper

From the library of: Superior Sewing Machine & Supply LLC

NEEDLE

BAR

HEIGHT

Set looper at gauge distance

from

needle and time

looper, as instructed on page 9.

l.Turn

machine pulley over toward operator until

eye of looper (on its

forward

stroke) reaches

center

needle

(at

its

left position). At

this

position, eye of looper should be exactly in line

with

eye

needle,

shown in

Fig.

22.

adjust,

loosen

needle

bar clamp

screw

shown in

Fig. 23. Raise or lower needle bar as required. Tighten

LEFT

POSITION

CLAMP

SCREW

needle

bar clamp

screw.

2. Upon return (backward) stroke of looper, eye of

needle

(at

its

left position) must be

just

above

the

looper,

shown in Fig. 24, when looper

eye

passes

centerline of needle. To adjust, loosen

the

two bevel gear screws, shown in Fig. 21,

page

9) and

advance

or retard

the

bed rotary

shaft,

required. Securely tighten the two bevel

gear

screws.

LEFT

POSITION

Fig.

22.

Needle

and

Looper

Eyes

Aligned

Fig.

23.

Setting

Needle

Bar

Height

Fig.

24.

Needle

Eye

just

Above

Looper

NEEDLE-AVOIDING

MOTION

LOOPER

When looper

starts

its

forward

stroke,

needle

bar

begins

rise

from

its

lowest

position.

During

its

forward

stroke,

looper should

pass

behind

needle

(just

clearing

back

needle).

When

needle

bar

reaches

its

highest

position, looper completes

its

forward

stroke

ECCENTRIC

SET

SCREWS

ECCENTRIC-EDGE

CRANK

Fig.

25.

Timing

Needle-Avoiding

Motion

and moves

from

rear to front. As needle bar descend^

looper moves backward and

passes

in front of

needle,

(just

clearing

front of

needle).

At end of downward

stroke

needle

bar, looper

completes

its

backward

stroke and moves

from

front to rear ready to start its

forward stroke again.

These

correctly

timed movements of looper, from

front to

rear

and

rear

to front,

are

called

the

needle-

avoiding motion of the looper.

To check

the

setting,

turn machine pulley over

toward operator until

eccentric-edge

of crank is down,

shown in

Fig.

25. When

centerline

between

the

two

set

screws

eccentric

coincides

with

centerline

eccentric-edge

of crank,

shown by

dosh-line

in Fig.

25,

looper is

set

for maximum amount of

needle-avoid

ing

motion.

adjust,

loosen

the

two

eccentric

set

screws

shown in Fig. 25. Rotate eccentric

indicoted by

arrow.

Fig.

25, until

needle-ovoidinq

motion

(as

scribed above) is obtained. Then tighten the two ec

centric

set

screws.

From the library of: Superior Sewing Machine & Supply LLC

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