Siruba L818f-bm1 User manual

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INSTRUCTION

BOOK

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KAULIN

MFG.

CO

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LTD.

From the library of: Superior Sewing Machine & Supply LLC

EC

DECLARATION

OF

CONFORMITY

According

to

the following

EC

Directive

Machinery

Directive : 98/37/

EC

, as

amended

by

89/336

I EEC

and

73/23/ EEC.

The undersigned, ROBERT TSAI , representing KAULIN MFG. CO., LTD.

11

F

128

Sec. 3 Min Shen E. Road, Taipei , Taiwan ROC., manufacturer, declares that the

machine described

hereafter:

Lockstitch

Sewing

Machine.

Model

:L818F

Provided

that

it is

used

and

maintained

in

accordance

with the

generally

accepted

codes

of

good

practice

and

the

recommendations

of

the

instructions

manual,

meets

the

essential

safety

and

health

requirements

of

the

Machinery

Directive.

For the

most

specific

risks

of

the

machine

,

safety

and

compliance

with the essential

requirements

of

the Directive has been

based

on

elements

of

: the European

Standard

EN

292 - 1 & - 2 : 1992 Safety

of

machinery

;

basic

concepts,

general

principles

for

design

.

The

compliance

of

the

model

with the

requirements

of

EC

Machinery

Directive was

established

by

AIB-VINCOTTE Inter n.f.p, Avenue A. Drouart 27-29 , B 1160 , Brussels,

Belgium (

Notified

body

under

the

number

26

for

machinery

listed in annex

IV

of

EC

Machinery

Directive).

Date:

Signature

:

Qualification

: R&D MANAGER

From the library of: Superior Sewing Machine & Supply LLC

General

Safety Instructions

Warning ! When using this machine, basic safety precautions should always be followed to reduce the

risk offire, electric

shock

and personal injury, including the following.

Read all these instructions before operating this

product

and save these instructions.

1.Keep work

area

clean.

Cluttered areas and benches invite injuries.

2.Considerwork

area

environment.

Do

not

expose powerto rain. Do

not

use machine tools in

damp

or wet locations. Keep work area well lit.

Dot not use powertools where there is risk to cause fire or explosion.

3.Guard against electric shock.

Avoid

body

contact

with earthed or grounded surfaces (e.g. pipes, radiators, ranges refriger

ators).

4.Keep children away.

Do not letvisitors touch the tool or extension code.

5.Dress properly.

Do

not

wear loose clothing

or

jewelry, they can be

caught

in moving parts. Wear protecting hair covering

to

contain long hair.

6.Do not abuse the cord.

Nevercarry the machine by cord or yank it to

disconnect

it from the socket. Keep the cord away from heat,

oil and sharp edges.

?.Maintain machine with care.

Follow instructions for lubrication and changing accessories. I

nspect

tool cord periodically and if

damaged have it repaired by an authorized serviced facility.

a.Disconnect machine

When not in use, before servicing and when changing accessories.

9.Avoid unintentional starting.

Do

not

carry a

plugged

in tool with a finger on the switch. Ensure switch is off when

plugging

in .

1O.Check damaged parts.

Before further use ofthe tool,a guard or other part that is

damaged

should be carefully checked to

determine that it will operate properlyand perform its intended function.

11. Warning.

The use ofany accessory or attachment, other than those recommended in this instruction manual, may

present a risk of personal injury.

12. Have your tool repaired by a qualified person.

Repairs should only be carried out

by

qualified persons using original spare parts.

Special Warning For Electric Connection !

1.

1n

corporatethis machine onlywith

ucp

certificate hold-to-run contr

ol

device.

2.Followthe instruction manual device

to

install control device.

3.Aiways earth machine appropriatelyduring operation.

4.Before adjustment, parts change or servicing must be sure to pull out the plug from socket

to

prevent

the hazard of unintentionally start of machine.

From the library of: Superior Sewing Machine & Supply LLC

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INDEX

~/PAGE

IMPORTANTSAFETY INSTRUCTIONS 1

WARNING 5

OIL PAN INSTALLATION 6

OIL LUBRICATION 7

ADJUSTING THE

AMOUNT

OF

OIL

9

INSTALLING THE NEEDLE

10

SETTING THE

BOBBIN

10

THREADING THE MACHINE 11

STITCH LENGTH ADJUSTMENT 11

THREAD STAND ASSEMBLY

12

THE BELT COVER

AND

THE

12

BOBBIN WINDER

MOUNTING

ADJUSTMENT

OF THE KNEE CONTROLLER 13

FOR HIGHTER PRESSER

FOOT

LIFTING

OPERATING THE PEDAL 13

NEEDLE

THREAD/

BOBBIN

THREAD 15

TENSION

ADJUSTMENT

THE THREAD TAKE UP SPRING

ADJUSTMENT

15

MANUAL

FOOT

LIFTER 16

ADJUSTING PRESSER FOOT PRESSURE 16

FEED TIMING

ADJUSTMENT

17

ADJUSTING THE TILT OF THE FEED DOG 18

ADJUSTING THE HEIGHT

OF

THE FEED DOG 18

CORRELATION BETWEEN NEEDLE

AND

HOOK

19

PRESSER

FOOT

HEIGHT

ADJUSTMENT

20

NEEDLE STOP POSITION

ADJUSTMENT

20

From the library of: Superior Sewing Machine & Supply LLC

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INDEX

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I

ADJUSTING THE TENSION ON PEDAL

AND

PEDAL

21

STROKE

Jfa1]~~~~~

ADJUSTING THE PEDAL 22

]i

fiJ

it

1itl

M

;t~

tM

OPERATING THE

ONE

TOUCH

TYPE REVERSE 22

FEED STITCHING MECHANISM

ti~*~

ADJUSTING THE THREAD WIPER 23

13

!ntn~;t~tM~~~

ADJUSTMENT

OF AUTO-TRIMMING MECHANISM 24

TABLE CUT-OUT 30

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IMPORTANT SAFETY

INSTRUCTIONS

For

operat

i

ng

safely

and

to

get

the

most

out

of

the

many

functions

of

this

machine

,

you

must

operate

it correctly. Please read

and

follow

the

instructions

of

this

manual,

and

keep

it

at

hand

for

future

references

.We are

confident

that

you

will

enjoy

this

machine

as

much

as

we

enjoyed

manufacturing

it.

1 · When

you

use

this

machine,

please

pay

attention

to

the

basis

safety

measures.

2 •

Before

using

this

machine,

please

read

this

manual

and

all

In

addition,

please

save

this

manual

for

your

future

needs.

3 • Please

use

this

machine

after

it

has

been

ascertained

that

it

conforms

with

safety

standards

and

regulations

of

your

country.

4 · It is

not

allowed

to

operate

this

machine

without

the

specified

safety

devices.

All

safety

devices

must

be

in

right

position.

When

the

machine

is

ready

for

operation.

5 · This

machine

must

be

operated

by

an

appropriately

trained

operator.

6 • For

your

own

safety

,we

suggest

you

wear

goggles.

7 · Please

turn

off

the

power

sw

it

ch

or

disconnect

it

before

doing

the

following

tasks

:

(1) ·

Threading

needle(s

),

adjusting

thread

Take-up(s),

thread

guide(s),

and

I

or

replacing

bobbin(s).

(2) ·

Replacing

needles

,

presser

feet,

needle

plates

,

feed

dogs

,

needle

guards,

folders

,

cloth

guides

and

other

parts

or

accessories.

(3) ·

Repairing

this

machine.

(4) · When the

operator

is

leaving

the

working

place

or

when

the

working

place

is

unattended.

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(5)

·While

clutch motors without brake

pads are used,motors must come

to completely stop.

8 · By any chance, if you allowgrease, oil,

or

any fluid contact your skin

or

eyes, please

wash the contacted area completely with

clean water and consult a medical doctor.

Ifthe fluid was swallowed

contact

a

medical

doctor

immediately.

9 · Do not touch any parts and devices

in

motion while the machine is running,

Always payattention to whether power

switch is on or

off

before

conducting

any

task.

10 · Qualified technicians are required for

machine adjustment, modification, and

repair. Only genuine parts from SIRUBA

are recommended for replacement.

Damage resulted

in

using generic parts

are subject

to

your own risk.

11

· Routine maintenance and check-up have

to

be performed by appropriately

trained persons, or qualified

technicians.

12 · Qualified technician

or

well-trained

persons are required for services

to

electronic components knowledge

of

electronic

is

essential for

conducting

adjustment

or

repairtasks. Stop the

machine immediatelywhen discover the

failure of any of the electronic

components.

13 · The air hose has to be detached from the

machine and the

compressor

or

air

supply

has

to

be

cut

off

before repairing

and servicing the machine

equipped

with pneumatic parts such as an air

cylinder. Qualified technicians or well-

trained persons are required for

adjustment and repairs.

14 ·

To

ensure the best performance,

periodicallyclean

up

on the machine is

necessary.

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15

·

To

level

the

machine

on

the

ground

is

essential

in

order

to

ensure

a

proper

operation

and

lower noise. Avoid

operating

a

machine

at

a

noisy

surrounding

.

16

· A

proper

power

plug

must

be

used

with

this

machine

by

electrician

. Please

connect

the

power

plug

to

a

grounded

receptacle.

17 • This

machine

can

only

be

used

for

the

designed

purpose.

Other

uses

of

this

machine

are

not

allowed

.

18 · Any

modification

or

conversion

made

on

this

machine

must

be

conformed

with

the

safety

standards

and

regulations.

Precaution

is

necessary

.We

assume

no

responsibility

for

damage

caused

by

modification

or

conversion

of

this

machine.

19

·Two

safety

warning

signs

are

applies

:

(1) · For

the

safety

of

operators

and

service

persons

,

please

don't

open

the

cover

of

any

electronic

control

boxes

of

motor

or

other

devices

and

don

't

touch

any

components

inside

to

avoid

electrical

shock

hazards.

(2) ·

Always

keep in

mind

:

a · Please never

operate

this

machine

with

belt

cover,

finger

guard

or

any

safety

device

removed

to

avoid

physical

injury.

b · Please keep

your

hair,

fingers

and

cloths

away

from

the

hand

wheel

"bobbin

winder

", V

belt

and

motor

while the

mach

ine is in

operation

to

prevent

the

risk

of

injuries

by

tangled

into

them.

c · Please

never

put

your

fi

ngers

under

the

needle

or

in

the

thread

take

up

cover

when

you turn on

the

power

switch

or

operate

the

machine

.

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d

·While

the machine

is

in operation,

the

hook

rotates at a high speed.

Please keep your hands away from

the area of

hook

to prevent possible

injury

to

your hands.

In

addition,

please make sure

to

turn off the

powerof the machine while

changing bobbins.

e ·

Be

careful not to place your fingers

inside the machine when moving I

raising the machine head to avoid

possible physical injuries.

f · Please turn

off

the power of the

machine before tilting the machine

head

or

removing the belt cover and

the Vbelt to avoid possible

accidents due

to

abrupt

start of this

machine.

g • The

motor

does not produce noise

while the machine is at rest ifyour

machine

is

equipped

with a servo

motor. So, please turn

off

the power

of this machine to avoid possible

accidents due

to

abrupt

start of the

machine.

h · Never operate the sewing mac

hi

ne

with the ground wire removed

to

avoid electrical shock hazards.

i · Please turn the power switch

off

in

prior

to

the connection or

disconnection of the power plug to

prevent possible accidents due

to

electric shock or damaged

electronic components.

From the library of: Superior Sewing Machine & Supply LLC

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WARNING

Please

confirm

the

following

to

avoid

malfunction

and

damage

to

this

mac

hine.

1 · Clean

this

machine

completely

before

putt

i

ng

this

machine

in

operation

for

the

first

time

after

set

up.

2 · Clean all

dust

and

oil

gathered

during

transportation

.

3 ·

Confirm

that

the

voltage

are

set

correctly

and

phase

(single

or

3

phase)

of

motor.

4 ·

Confirm

that

the

power

plug

is

properly

connected

to

the

power

supply.

5 ·

Never

use

the

machine

where

the

voltage

type

is

different

to

the

designated

on

shown

on

the

motor

nameplate.

6 ·

Confirm

that

the

direction

of

the

rotation

of

the

machine

pulley

is

correct.

Warning:

Before

doing

the

following

operation

or

adjustment,

please

turn

the

power

oft

to

prevent

accidents

caused

by

abrupt

start

of

the

sewing

machine.

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-6-

OIL

PAN INSTALLATION

1 • The

corners

of

the

oil

pan

has

to

place

on

the

four

corners

at

the

cut

out

groove

of

the

machine

table.

(Fig.1)

2 •

Use

nails®

as

illustrated

to

fix

two

rubber

seats®

on

side

A(the

operator,s

side).

Use

rubber

based

adhesive

to

fix

two

cushion@

seats

on

the

living

side

(side

8).

Place

oil

pan@

on

the

fixed

seats.

(Fig.2)

23.5 mm

CD

19

.5

mm

2 3

-----A

8

--

~

!12/F

i

g.2

3 ·

Place

the

hinge®

into

the

two

fixing

holes

before

place

the

machine

head

onto

the

four

cushions@

of

the

desk.

Then,

install

the

machine

head

onto

the

machine

bed

that

has

two

openings

with

rubber

cushion®

of

each

.(Fig. 3,

4)

~4/Fig.4

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OIL

LUBRICATION

1 • Oil lubrication instruction

(F

ig.5)

(1)

· Fill the oil pan with specified oil

up

to

high

mark

A.

(2)

• Refi

ll

the oil pan with the specified oil

if the oil level is lower below low mark

B.

(3)

•

You

wi

ll

see oil splashing via oil sight

window®

if the lubrication functions

well when machine runs.

(4)

·When

running the machine first time

or after a peri

od

of

time, please run

your machine at 3,000 S.PM.

to

3,500

S.PM. for

about

10 minutes.

CD

~6/Fig

.

6

2 · Oil

supply

adjustment

for needle

bar/thread

ta

ke-

up

lever (Fig.6)

(1) · Turning

adjust

CD

to

adjust the

supplied oil

amount

to the needle bar

crank®

and the thread take

up@.

(2) ·

To

reduce supplied oil

amount

,turn

the

adjust

CD

in

direction B

to

bring mark A close

to

the needle bar

crank®

.

(3) ·

To

increase the

supplied

oil amount,

turn the

adjust

CD

in direction C

to

bring

mark

A away from the needle

bar

crank

(2).

3

·Adjust

the oil

amount

of the

hook

(oiling

amount).

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7

-8-

(1) · Oil

splashing

test

paper.

About

25mm

x

70mm

,

any

material

of

test

paper

is

accepted.

Paper

materia

l will

not

affect

results. (Fig.?)

(2) •

Conf

irm

the

oil

amount.

Place

the

test

paper

under

the

hook

and

fit

the

paper

close

ly

against

to

the

wall

of

the

oil

pan.

(Fig.8)

CD

HOOK

®PAPER @OIL PAN

@

TOUCHING

@BASE @BUSHING

When

doing

step

(2),

carefully

remove

the

sliding

plate

and

do

not

touch

the

hook

with

finge

rs.

4 •

Attentions

:

(1) · If

the

machine

doesn't

warm

up

enough,

please

run

the

machine

3

minutes

i

dly

.

(2) • While

the

machine

is

running

,

place

the

oil

splash

i

ng

tes

t

paper

under

the

hook

.(Fig.8)

(3) •

Confirm

that

the

height

of

the

oil level

in

the

oil

pan

falls

between

"

HI

"

and

"

L

OW"

.

(

4)

• Oil

sp

l

ashing

observat

i

on

test

should

be

completed

in 5

seconds

.(Use a

watch

to

check

the

time

used

.)

E

0

(5)

..---

2.

n @ @

ii8/Fig

.8

5 • A

sample

of

observations

ind

i

cate

the

appropr

i

ate

oil

amount.(Fig

.9)

Oil

amount

in

the

hook

(small)

as

shown

is

approximated

1mm.

L

818-H:

3mm

L818-M

: 1.

5mm

L818-L:

O.Smm

I

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Oil amount in the

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approximated 2 mm

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(1) · The amount

of

oil

in

the hook (ref.

to

the sample shown on Fig.9) should be

adequately adjusted according to the

sewing materials and processes.

Insufficient amount of oil will cause the

hook

to

cease and overheat. Excess

amount

of

oil may cause the sewing

product

stained with oil.

(2)

· Adequate adjustment should be

reached

in

the way that same oil

splashing observation will be collected

in 3 times on separate paper.

II10/Fig

.

10

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-9-

ADJUSTING THE

AMOUNT

OF

OIL

IN THE

HOOK

1 · The oil

amount

adjustment

screw is

mounted

on

the

hook

driving

shaft. Turn

the

screw

counter

cl

ockwise

toward

11

+

11

direction

(A direction) to increase the

amount

of

oil

supp

lied in

the

hook

. Turn

the screw

clockwise

toward

~~

-

"

direction

(8 direction)

to

reduce

the

amount

of

oil

supplied

in the

hook

.(Fig.1 0)

2

·After

the

amount

of

oil

in

the

hook

is

properly

adjusted,

run

the

machine idly

for

30

seconds

to

do

oil

sp

lashing

observat

ion

test

to

reconfirm the

amount

of

oil

in

the

hook

.

From the library of: Superior Sewing Machine & Supply LLC

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-10-

INSTALLING THE NEEDLE

Choose

a

right

needle

size

according

to

the

type

of

the

thread

and

the

type

of

the

material

used.Turn

the

power

off

before

pl

acing

the

needle

.(Fig

.1

1)

1 · Turn

the

hand

wheel

to

raise

the

needle

bar

to

its hig

hest

position

.

2 •

Loosen

screw

(2)

,

and

hold

the

needle

CD

with its

indented

side

A

fac

i

ng

exactly

to

ri

ght

in

direction

8 , and

make

sure

that

long

groove

C

of

the

needle

is

faci

ng

exactly

to

the

left in

direction

D.

3 · Place

the

needle

into

the

ho

le on

the

needle

bar

all

the

way

to

the

end

of

the

hole

in

the

arrow

direction.

4 ·

Firmly

l

ock

screw

(2).

) (

CD

(I )

c

A

B

!j]12/Fig

.12

SETTING THE BOBBIN

1 • Set

the

bobbin

in

the

bobbin

case

in

the

way

that

the

thread

wound

direction

is

clockwise.

(Fig.12)

2 • P

ass

the

thread

through

thread

slit A ,

and

pull

the

thread

in

direction

C . The

thread

will

be

pulled

under

the

tension

spring

CD

and will

be

pu

lled

out

from

notch

8 .

3 · Be sure

the

bobbin

rotates

in

the

direction

as

the

arrow

shows

when

thread

is

pulled

toward

C .

From the library of: Superior Sewing Machine & Supply LLC

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THREADING THE MACHINE

I

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1

---------------------------------------

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·

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STITCH LENGTH ADJUSTMENT

1

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-------------------------------------------------------------

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-11-

1 ·

Turn

stitch length

dial®

as the arrow

indicates

to

have the

desired

number align

with mark A on the

machine

. (Fig.14)

2 · The calibration on the dial is in millimeters.

3 · Press the feed lever

(2)

down

and turn the

stitch length

adjustment

di

al®

to

change

stitch length.

~15/Fig

.1

5

From the library of: Superior Sewing Machine & Supply LLC

THREAD STAND ASSEMBLY

1 ·

Assemble

the thread

stand

set before

installing. Place the

thread

stand

set

onto

the

hole on the

table

top. (Fig.15)

2 · Fix

the

thread stand with a

nut

CD

l

ocked

under

the

table

top.

-

--

-

--

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--

-- --

--

-------------------

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-12-

THE

BELT COVER AND

THE

BOBBIN

WINDER

MOUNTING

1 • Gri

nding

holes A ,B ,C,D on the

table

top

.(Fig.16)

2 · Insertthe

belt

cover

support

i

nto

the

bo

lt

hole on the

machine

.

3 · Tilt the belt

cover@

then you can install

the hand wheel

diagonal

ly from the rear

of

the hand wheel.

4 • Put belt cover

(2)

on l

ocat

ing holes C and

D.

5 · Use

screws@

,

@and

wash

er@

to

fix the

belt

cove

r

on

the

machine

body

and

lock

the screws tightly.

6 · Place

the(/)

to the

belt

cover@

.

7 · Move

the

belt

cover

(2)

backward

and have

its

rubber

cush

ion

touch

the belt

cover@.

Fixthe

be

lt

cover

(2)

by

wooden

screw

and

cushion.

8 ·

Mount

bobbin

winder@

to holes A and

8 on

the

tab

le top.

0

\ v

-

D

~

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.16

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ADJUSTMENT

OF

KNEE-CONTROL

PRESSER

FOOT

LIFTER

1

·The

standard

lifting

height

is

10

mm

by

using

knee-control

presser

foot

lifter.(Fig.17,18)

2 •

By

adjusting

the

screw

CD

at

the

knee

controller,

the

presser

foot

can

be

I

ifted

up

to

13mm.

3 ·

When

the

presser

foot

is

adjusted

to

be

l

ifted

over

1Omm,

assure

the

bottom

end

of

the

needle

bar®

in

its

lower

position@

does

not

hit

the

presser

foot.

lj18/Fig.18

~--------------------------------------------------------------------------------------------

!

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OPERATING

THE

PEDAL

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The

foot

pedal is operated as the following 4

steps.(Fig.19)

1 · Lightly tread the front part of the

foot

pedal

shown as

Bin

Fig.

19

,

machine

runs at low

sew

ing speed.

2 · Further, tread the front part

of

the

foot

pedal

shown as A in Fig. 19, Machine runs

at

high

sewing speed.(The machine runs

at

high

speed after it

completes

the backstitch if

the automatic backstitch has been preset.)

3 · Reset the pedal

to

its original position,

shown as C in Fig. 19. Machine will

stop

(with the needle

up

or

down.)

4 · Fully

depress

the

back

part of the pedal

shown as E in Fig.

19

, so that machine trims

threads.

5 · Attentions :

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19

-14-

(1)

· One extra

step

is given between the

machine

stop

and thread

trimming

steps if

your

machine

is

equipped

with

the auto presser

foot

lifter. When you

lightly

depress

the

back

part

of

the

pedal, shown as

D,

the presser

foot

goes

up

. The thread

trimmer

actuates

if you further tread the

back

part

of

the

pedal.

(2)

· Machine will

stop

after

comp

leting the

backstitch

if you relocate the pedal

to

its neutral position during executing

the

automat

ic backstitch.

(3)

· Whetherthe

machine

is

under

high

speed

or

low speed sewing, you can

make

the

maching

do

ing thread

trimming any time

by

tread

down

the

back

part

of

the pedal to

do

so.

(

4)

· Even if you reset the

foot

pedal

to

i

ts

neutral position C immediately after

the

machine

started thread tri

mming

action, the

machine

will

completely

perform thread trimming.

(

5)

· When the

machine

stops

and makes

the needle

located

at the lower

dead

end, tread the

back

part

of

the

foot

pedal

once

to

D ifyou

want

to bring the

needle

up

.

~

,j}

A

8

E F

i)20/Fig.20

From the library of: Superior Sewing Machine & Supply LLC

(1) ·

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NEEDLE

THREAD/BOBBIN

THREAD

TENSION

ADJUSTMENT

1 ·

Needle

thread

tension

adjustment

(Fig.20)

(1)

·The

left

thread

tail

on

the

needle

will

be

shorter

after

thread

trimmed

as

you

turn

thread

tension

nut

CD

clockwise.

(in A

direction)

(2)

·The

left

thread

tail

will

be

longer

,

as

thread

tension

nut

CD

is

turned

counter

clockwise

(in 8

direction).

(3) ·

Increase

the

tension

on

needle

thread

by

turning

thread

tension

nut

(2)

clockwise

(in C

direction)

.

(4) ·

Reduce

the

tension

on

needle

thread

by

turning

thread

tension

nut

(2)

counter

clockwise

(in D

direction).

2 ·

Bobbin

thread

tension

adjustment

(1)

·The

bobbin

thread

tension

will

be

i

ncreased

as

tension

adjust

screw@

is

turned

clockwise

(in E

direction)

.

(2)

·The

bobbin

thread

tens

i

on

will

be

reduced

as

screw@

is

turned

counter-

clockwise

(in F

direction).

[------------------------------------------

-

--------------------------

-

----------------------

·

I

THE

THREAD TAKE UP

SPRING

ADJUSTMENT

------------------------------

-

--------------------

-

-----

-

--------------------

-

-------------

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-15-

1 •

Adjusting

the

stroke

of

thread

take

up

spring

CD.

(Fig

.

21)

(1) ·

Loosen

screw

(2)

.

(2) ·

The

stroke

of

the

thread

take-up

spring

will

be

increased

as

the

tension

knob@

is

turned

clockwise

(in A

direction).

(3) ·

The

stroke

will

be

decreased

as

the

knob

@is

turned

counter-

clockwise

(in 8

direct

i

on)

.

2 ·

Adjusting

the

pressure

of

thread

take

up

spring

CD

.

(1) ·

Loosen

screw®

.

and

remove

th

r

ead

tension

disks@.

(2) ·

Loosen

screw@.

From the library of: Superior Sewing Machine & Supply LLC

Siruba L818F-BM1 User manual

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