Singer 191D-20 Manuale utente

Instruction

Manual

and

Parts List

High Speed Straight

Lockstitch Sewing Machine

30/30C

70/

70C

191D

20!20C

SINGER

®Singer

a registered trademark

The Si

nger

Company Limited

its

aff

iliated companies.

Copyr

ght

The Si

nger

Company Limited

From the library of: Superior Sewing Machine & Supply LLC

Contents

1 Safety

Instructions

1.1

Important

Safety

Instructions

1.2 Safe Operation

2 Product Description and Machine Specification

2.1

Product Description

2.2 Machine Specification

2.3

Motor,

Motor

Pulley

and

V-Belt Specifications

3 Setup and

Adjustment

Instructions

3.1

Table Cut-

Out

Drawing

3.2 Oil Reservoir Installation

3.3 Belt Cover

and

Bobbin

Winder

Installation

3.4 Lubrication

3.5 ThreadTake-up Lever Oil

Supply

Adjustment

3.6 Rotating

Hook

Oil

Supply

Adjustment

3.7 Needle

Attachment

3.8

Bobbin

Case

Attachment

3.9 Machine

Threading

3.10 Stitch Length

Adjustment

3.11

ThreadTension

Adjustment

3.12 ThreadTake-Up

Spring

Adjustment

3.13 Knee Lifter

Height

Adjustment

3.14 Presser Foot Lifter

Adjustment

3.15 Presser Foot Pressure

Adjustment

3.16

FeedTiming

Adjustment

3.17 Feed Dog

Height

Adjustment

3.18 Needle

Rotating Hook Relation

Adjustment

3.19 Presser Bar

Height

Adjustment

3.20 ThreadTake-

Stroke

Adjustment

4 Maintenance

4.1

Machine Head Cleaning

4.2 Lubrication

4.3 Safety Inspection

Troubleshooting

From the library of: Superior Sewing Machine & Supply LLC

Contents

6 Parts List

6.1 Frame

and

Cover

Components

6.2

Arm

Shaft andThreadTake-

Lever

Components

6.3 Needle Bar,

Upright

Shaft and Rotating Hook

Driving

Shaft

Components

6.4 Presser Foot

Components

6.5 Feed Mechanism

Components

6.6

Lubr

ication

Components

6.7 Oil Reservoir

Components

6.8 Belt Cover,

Bobbin

Winder

and

Thread Stand

Components

6.9 Machine Accessories

From the library of: Superior Sewing Machine & Supply LLC

1.1

Important Safety

Instructions

Important

When using the

machine, basic safety

procedures

must

be followed.

Read

with attention all

instructions before

using the machine.

When using

1t,

understand that

all basic safety

instructions are

not

limited to the

following items.

Readallinstructions,

take care

this

manual, and use

reference when

necessary.

Safety Instructions

• Before running the machine, make

sure

all

relevant safety specifica-

tions are adequate

specifica-

tions

and

technical standards

your

country.

• The machine

should

not

run

without

its

safety

devices.

•

The

machine should only

oper-

ated

properlytrainedpersonnel.

• For

your

safety,

goggles

must

used

while

running

the machine.

• Turn

off

unplug

the machine

when the

following

situationsarise:

• Passing

the

thread

the nee-

dle

replacing the

bobbin

looper.

•

Replacing

the

needle,

presser

foot,

throat

plate,

feed

dog

and

sliding

plate.

• When the machine is in

mainte-

nance.

• When the

operator

not

run-

ning

the machine.

•In

case

lubricant

oil

contact

with

the eyes

skin, washed the

surface

with

plenty

icy

water

with

a generous

amount

cold

water. In case

ingestion, seek

medical

help

immediately.

• Repair,

fitting

maintenance

should

only

performed

properly

trained

personnel.

• Maintenance

and

repair

elec-

tric

equipment

should

only

made

qualified

personnel.

any

electric device is damaged,

the machine

should

immedi-

ately

stopped.

• Before starting the machine

full

running, a test

must

conducted

to assure

that

machine

and

opera-

tor

are

able

perform

the task.

• The machine

should

not

placed

sound

sourceasan ultra-

sonic

welding

machine

and

other

equipment.

• The machine

should

only

run

with

the

proper

electric cable

and

connectors,

and

also the adequate

grounding.

• The machine

should

only

used

sew

materials as indicated

its instructions manual,

and

indi-

cations

use

should

be followed.

Singer

will

not

be held responsible

for

any

damage

caused

unau-

thorized changes

the

product.

High Speed Straight Lockstitch Sewing Machine !

Instruct

ion Manual and

rts List 1

From the library of: Superior Sewing Machine & Supply LLC

1.2

Safe Operation

.&_

•

avoid

the risk

electric shock,

not

open

the

motor

wiring

box

and

not

touch the

components

assembled

inside

the

wiring

box.

•

avoid

injuries

not

run

the

machine

without

the

belt

cover

case

any

other

safety

device is

removed.

•

avoid possible injuries keep fin-

gers,

head

and

clothes

far

from

wheel, beltand

motor

when the ma-

chine is running. Nothing should be

placed nearthose parts.

•

avoid

injuries never

put

your

fingers

the

rotating

hook

and

the

thread

take-up

lever

cover

when

the

machine is running.

•

avoid

possible injuries

care-

ful

when

putting

down

lifting

the machine head.

•

avoid

accident

case

a sud-

den

start

the machine always

turn

off

when

laying

down,

remove the

belt

cover

and

the belt.

•

you

machine is

equipped

with

a servomotor,

does

not

make

noises while being driven.

avoid

a possible accident caused

unexpected start,

sure

the

ma-

chine is

turned

off.

•

avoid

electrical shock,

not

run the machine

without

proper

grounding.

.&_

•

minimize

the

risk

accidents

damage

electric

components

caused

electric discharge

turn

the machine

off

before

unplug-

ging

it.

• Clean

the

machine periodically.

High Speed Straight Lockstitch Sewing

Machine

Instruction

Manual and Parts List 2

From the library of: Superior Sewing Machine & Supply LLC

2.1

Product

Description

Product Description

and

Machine Specification

High Speed Straight Lockstitch Sewing Machine

High Speed Straight

Lockstitch

Sewing

Machine

Instruction

Manual and Parts List 3

From the library of: Superior Sewing Machine & Supply LLC

2.2

Machine

Specification

Tab

le 1 -

Mac

hin

e Specification

Singe

r Application

Maximum

Model

Speed

[spm)

1910-

light

5,000

medium

1910-

20C

1910-30

Medium

4,500

1910-30C heavy

1910-70 Heavy 3,000

1910-70C

2.3

Motor,

Motor

Pulley

and

V-Belt

Specifications

Stitch

Height

Needle Hook Hook NeedleCat. Lubrication

Length Presser Foot Bar Type Origin

[mm)

hand

Stroke

knee[mm)

[mm]

Standard

5.0 5.5/13.0 30.7 Koban/

1955-01

#14

Hirose

Regul

Standard Fully

5.0 5.5/13.0 35.0

1955-01

#18

Automatic

Koban/ Lubrication

Hirose

Standard

7.0

5.5/13.0 35.0 Large Koban/

1955-01

#21

Hirose

•

HP (400W)

2-po

(high

speed) clutch

motor

• M

type

v-belt

Table 2 - MachineSpeed vs.

Motor

Pulley Diameter

MachineSpeed [

spm)

1C-20

/20C

191C-30

/30C

191C-70 /70C

5,000

4,500 4,500

4,000

3,500

3,000

2,500

Motor

Pulley Diameter

[mm]

50Hz

60Hz

125

115

100

105

Lubrication

Oil

Singer

ucw

type

oil

High

Speed

Straight Lockstitch Sewing Machine !Instruction Manual

and

Parts List 4

From the library of: Superior Sewing Machine & Supply LLC

3.1

Table Cut-Out

Drawing

Setup

and

AdjustmentInstructions

+ '

----

,---------------------------------~

---

115

c...

I--"'

+ 1

181

- 0

.....

c...

130

----

'---------------------------~------'

:---

535

Figure 1

High Speed Straight Lockstitch Sewing

Machine

Instruction

Manual and Parts List 5

From the library of: Superior Sewing Machine & Supply LLC

3.2

Oil

Reservoir

Installation

The

oil

reservoir

should

rest on the

four

corners

the machine table

groove.

Two

rubber seats

'1'

for

supporting

the head portion on the operator

side

are fixed

the extended

portion

the table

using

nail

'2',

andthe

other

two

rubbercushion

'3'

on the hinge side

'8'

are attached

nail

too. Then, the

oil

reservoir

'4'

placed (Figures 2

and

3).

- ® ®-

Figure 2 Figure 3

Two hinges

'1'

fit

into the

hole

in the

machine bed,

and

the machine head

fitted the table hinge's

rubber

'2',

before the machine head is placed

Figure 4

to the cushions

'3'

the

four

cor-

ners

the table (Figures 4

and

5).

Figure 5

High Speed Straight Lockstitch Sewing Machine !Instruction Manual and Parts List 6

From the library of: Superior Sewing Machine & Supply LLC

3.3

Belt Cover

and

Bobbin Winder

Installation

Caution

Forsafety, the

belt covershould

be installed.

The

leftand

right parts

the

bobbin winder

shouldbe parallel

to the plate

belt

slot

on the

machine table.

Drill

four

holes

'C'

and

'D:

the

machine

table

for

screws

(Figure

6).

Insert

support

'1' in the threaded

hole

in the housing.

Install the

front

belt

cover

'3'

and

get

the

hand

wheel in the

middle

the

cover

hole.

Install the back

belt

cover

'2'

holes 'C

'D'.

Fix the

front

belt

cover

'3' on the

support

with

screws '4

'5'

and

washers '

. The

tightening

torque

for

the

screw

'4' is

about

kgfxcm,

and

for

the

screw

'5' is

about

kgfxcm

Move

the back

belt

cover

'2'

back-

ward,

until

its

rubber

touches the

front

belt

cover

'3',

move

again

for

0.5-1.0

and

fix

with

screws

and

washers.

Fix

bobbin

winder

hole

'8'

with

screws

and

washers.

1 • 63.5 .1

gure

High Speed Straight Lockstitch Sewing

Machine

Instruct

ion M

ual

d Parts List 7

From the library of: Superior Sewing Machine & Supply LLC

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