Brother LH4-B814-2 Bedienungsanleitung

INST

.RUCTION

MANUAL

FOR

BROTHER

LH4-B814-2,

-3, -5

BROTHER

INDUSTRIES,

LTD.

NAGOYA,

JAPAN

From the library of: Superior Sewing Machine & Supply LLC

FEATURES

MACHINE

MODELS

...............

...

. .

STITCH PA:rTERNS »............

......

«A. SETTING

.....................

[I]. In

allation

Motor

Pulley . . . . . . . . . . . . . . . I

sta

llation

Head

Base.....

...

.....

!3].

nstallation

the

Mach

ine

Head

. . . . . . . . . . . . . . 2

Putting

Flat

Belts

. . . . . . . . . . . . . . . . . . . . . . . . 3

stallat

Pedals

and

hain

. . . . . . . . 3

[2]

. Ins

tallation

the Accessories . . . . . . . . . . . . . . . . . 4

~ B

OILING

AND

TRIAL

OPERATION

. . 6

[1].

Oiling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Oiling

System

Adjustment

. . . . . . . . . . . . . . . . . . . . 6

Trial

Operation................

.......

......

~C.

CORRECT

OPERATION

. . . . . . . . . . . . . . 7

• Large

work

space

for

easy

sewing.

Buttonhole

stitch

width,

titch

length,

numb

titche

per

butt

onho

and

oil s

uppl

rate

easily

adjusted

without

tilting

the

machine

head

e If the

upper

thread

break

the

cutter

loc

king

device will

work.

•

Spec

endless flat

belts

are

emp

oyed

for

slip-free,

positive s

tarting

and

slowdown.

tens

n pulley

allows

easy

belt

adjus

tment.

The

machine

opera

tes

quietly

with a

minimum

brat

and

great

durability.

Longitudial

and

crosswise

lers

are

provided

accessories.

Winding

ower

Thr

ead..

..........

Fitting

Bobbin

Case

into

ace

. . . . . . . . . . . . . . . . 8

Sewing

.. ..

...

.....

......

........

!21.

Thr

ead

ensions.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

rll.

Thread

Tak

-up

Sprin

Adjus

ment

. . . . . . . . . . . . I0

Cleaning.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I0

STANDARD

ADJ

TME

NTS

]

.........

[1]

eed

and

Hook

Timing

Adjus

tment

......

...

Pre

sser

Spring

ess

Adjustment

...

.....

. . .

Cutter

nstallat

ion

and

Adjustme

nt . . . . . . . . . . . . 12

anging

Number

Stitches

per

uttonhole

. . .

Butt

nhol

Stitch

Width

and

Reference

Positi

Adjustment

. . . . . . . . . . . . . . . . . . . . . . . . . 14

!21.

utt

cki

vice

Adjustment

......

....

[ZI.

Upper

Thread

issors

Adjustment.

. . . . . . . . . . . .

Upper

and

Lower

ens

ion

lator

Thr

ead

Release

Adjustment

...................

Clutch Br

ake

Adjust

ment

...............

......

[I].

Fitting

eedle

into Pla

. . . . . . . . . . . . . . . . . . . . . 7

TROUBLE

SHOOT

ING

. . . . . . . . . . . . . . . . . . 17

[2]

Upper

Threading

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

From the library of: Superior Sewing Machine & Supply LLC

MACHINE

MODELS

Model LH 4-B814

b-class - 2

-3

- 5

men's

and

men's and

Main usc women's

itwork women's

gar

ments

garments

x. sewing speed 3.200 rpm 2,800 rpm

o.of

~titc

60 to 360

buttomhole

Feed system Upper

and

lower feed

Upper

feed

Bottonhole length 6.5 -32

32-48

Bot

tonhole

wid

2-6

Max. sewing

kness

4mm

3.5

5mm

Max.

clamp

13.0

12.5

Needle

bar

oke 35.7

Needle

X 5

Lubr

icati

Automa

Tape

Win

der

Installed

-----

(STITCH

PATTERNS

Whip

stitch

Fro

nt side Back side

Only

upp

thr

ead runson the

top

the work

and

the

lower thread on

e ot

her

side in zigzagform

zigzagstitches

formed

a lock stitch zigzag machine.

SETTING UP

[]]

. Installation

the

Motor

Pulley

0 C

utter

Needle

bar

8 Face plate

Purl stitch

Thread

retain

8 Cam cover

0 T

cover 0 Belt

cover

Handle

Emergency s

top

lever

Fron

t side B

ack

The

upper

thread

runs

stra

under

increased

ten

sion and

the l

ower

thre

ad runs

ross the

upper

thread

from

both

right

and left.

(

Slide

motor

onto

motor sh

aft

see

the

screw holes in the

motor

pulley

matc

h the scr

seats on

the

motor

and

tig

en set screws e sec

ely.

- 1 -

From the library of: Superior Sewing Machine & Supply LLC

121.

Installation

the

Head Base

(I) Loosen screw 8

the back of

bed

and remove pump belt

Place bed 0 on table

(2)

Place V-belt 8 aroundhigh-speed

pulley 8 and the larger-diameter

groove

the motor pulley.

About

-20

(3)

Putpump belt8 on. Slightlypress

pump belt tension lever0 tomake

pump belt 8 tense, and tighten

screw

(4)

Place V-belt 0 around low-speed

pulley 0 and thesmaller-diameter

groove of the motor pulley.

(5) Install bed 0 and fasten

with wood screws

fli)

so that V-belts 8 and 0

will

given in about

mm when pushed with yourfinger and that motor pulley,

high-speed pulley 8 and low-speed pulley 0 are

line.

* Motor pulleys and V-belts for 50Hz and 60Hz areas are different.

Select the right ones by referring to the table below.

Sub-class Machine Speed Frequency Motor Pulley V-belt 8 V-belt 0

3200 rpm 50Hz Motor Pulley

43" 42"

60Hz Motor Pulley 60 41" 41"

-2·-3

50Hz Motor Pulley

41" 41"

2800 rpm 60Hz Motor Pulley

60-2800

40" 41"

-5

2800

rpm 50Hz Motor Pulley

41"

60Hz Motor Pulley

60-2800

40" 41"

~.Installation

the

Machine

Head

Installation

the

head

Installation

the

tension

pulley

assembly

Insert head hinges 0 into machine head 8 ,and tighten

screws

Then place machine head 8 onthe bed. Drive head

rest 8 into the table.

Engage tension pulley

pawl8

with tension lever ratchet

and install tension pulley assembly 0 with screw

-2-

From the library of: Superior Sewing Machine & Supply LLC

Putting Flat Belts On

(I)

Raise the clutch, pass flat belt 0

into belt guide D 8 and put the

belt around the low-speed pulley

and tension pulley

(3)

While pressing flat belt 0 from

above, turn idle

pulley&

andslide

it into belt guide U 8 .

(2)

Pull flat belt 0 out

the opening

in the back of the bed.

~~=~Reference

lines meet

(

Push tension lever 8 to align the

reference lines.

* If flat belt 0

too tight, return

tension lever

* Push the emergency stop lever and insert the clutch stopperinto the stop cam. Move flat belt 0 to the innerside

thelow-

speed pulley and idle pulley

151.

Installation

the Pedals and Chains

Loosen

he_xagonal

bolt

and fit two

pedals 8 and four pedal stops 8 onto

support shaft

Fasten pedal stops8

with screws 8 at positions where the

pedals will move lightly.

Connect hook 8 tolowerthread cutter

lever

run chain 8 through thetable

hole, and hook the chain to the left

pedal.

-3-

Connect hook

Gi>

for the otherchain 8

to clutch start lever

G).

run chain 0

through the table hole and hook it to

the right pedal.

From the library of: Superior Sewing Machine & Supply LLC

,...

~i~~

t,+j

Motor center line

12)

.Installation

the

Accessories

1. Installation

the

spool stand

Install spoolstand 0

the right rearcorner

the table with

screws

Installation

the

bobbin

winder

Ill MOTORS

Single -phase

IOOV,

4-pole, 250W motor

Three-

phase

200V,

4-pole, 250W motor

In case

using a commerical single-phase motor select a 4-

pole motor with a power rating

300W.

or more.

In this case, install the motor as shown

left.

The table center line

the same as the machine center line.

2. Installation

the

handle

Slide handle 8 onto handle shaft

and fasten handle8 to

handle lever 8 with nut

Installation

the

sub-tension

Install the bobbin winder onthe bed with screw

Bobbin winder pulley0 must be

in line with the flat belt. Loosen screw 0 and adjust bobbin winder link shaft 0 by

turning it so that, when bobbin winder link A0

pressed, bobbinwinder pulley0

will lightly touch the flat belt.

Install the sub-tension

machine

head

screw

Strength and

position

the spring are already

adjusted, so be careful not to bend and

remove it.

-4-

From the library of: Superior Sewing Machine & Supply LLC

Installation

the

crosswise

ruler

and

longitudinal

ruler

(I) Fasten crosswise ruler • to length

feed

plate

with bolts

and washers

41.

(2)

Fasten longitudinal ruler 8 to bed cover

41)

with

bolts.

and washers

fD.

* In case of sub-class

-5,

fix ruler directly on the bed.

Installation

the

tape

winder

and

tape

guide

(in case

sub-class

-2

and

-3)

When elastic materials such

knitted materials

used, a strong buttonhole can

made with a tape at the backside

the

material to

sewn altogether.

·----

•

(I) Install tape winder

on top cam cover

with screws

(2)

Fasten tape guide rear

and tape guide front

length feed plate

by screws

•.

(4) Pass a tape through as per the picture at the above.

(3)

Fasten tape guard front 8 in case

sub-class

-2

and

fasten tape guard front fJ) in case

sub-class

-3

screws G).

Installation

the

belt

cover

Fasten belt cover G to the back

the bed with belt cover

hinge G and screws G).

-5-

From the library of: Superior Sewing Machine & Supply LLC

~B.

OILING

AND

TRIAL

OiPE.R~Aflt(Q)~-~

(]].Oiling

'-------·

(I)

Remove belt

and

tilt the machine.

(2) Connect vinyl tubejoint (black) 0 with joint nut (black)

(4)

Gently pour oil into oil tank 0 under the table through

filter 8 until the tank

filled up to upper reference line

f).

••

(3) Connect vinyl tubejoint (white) 8 with

joint

nut (white) If oil level falls below reference line 8 .

••

* Remove the face plate, side cover and belt cover, and oil all working parts.

* Pour a drop

two of oil to the arrow-indicated points daily. *Note: Use white spindle oil.

Oiling

System

Adjustment

8-~~=

======~~~=====

~Moreoil

Base

Less oil

few

minutesafter the power

switched on, adjustoil flow regulator 8

the right

the base by turning it until oil level can be seen in gauge pipe

• Oil level falls during sewing.

-6-

Hook

oil

flow

adjustment

Adjust oil flow to the hook by turning

oil regulator shaft 8 on the front

the

bed.

From the library of: Superior Sewing Machine & Supply LLC

~.Trial

Operation

At stop

(I)

Before s

ting

the

machine,

sure

nfirm

that

clut

topper

is in stop c

assembly O.

(2)

Switch

the ma

chine

on.

)

chine will s

tart

when the rig

pedal is stepped

on.

CORR

ECT

OPERATION

!]]. Fitting Needle into Place

[21

Upper

Threading

I I

At s

tart

(4) Release

e pedal

once

the ma

ine s

tart

runnin

g. (If

the

pedal

is kept

ste

on,

the

hine will n

stop.)

(5)

After

a fixed

num

ber

of s

titch

are

made

the

machine

sto

ps.

(6)

When

the left p

edal

stepped

on,

the

clamp

rise

Repeat

abov

e s

tep

s (3), (4)

and

(5) a few

tim

es.

Use a

X 5 needle

ose

n set

rew

ld the needle with its

groo

ved si

ing in

your

dire

ctio

n. a nd insert

the

nee

dle

all the

into

e needle hole.

tton

ead

Spr

ing

Thr

ead

ger

s a

thr

onl

ou g

thread

ger

Syn

etic fith

thread

I I

*When

thr

ading

the nee

e. pass from the

other side to this side

- 7 -

Pass a

thr

through t

ead

hang

and

sprin

From the library of: Superior Sewing Machine & Supply LLC

Winding

Lower

Thread

Uneven with

more thread

wound

right

Uneven with

more thread

wound on left

bobbin

case

(I)

Check the power switch that it

on.

(2)

Slide bobbin 0 onto bobbin winder spindle

f).

(3)

Pass the thread in the order

the numbers shown, and

wind a

few

turns

the thread around bobbin 0 in the

arrow direction.

(4) Push bobbin winder link A 8 and release it. The thread

will wind on the bobbin.

(5)

After the bobbin finishes winding the thread, bobbin

winder link A8 automatic return to its original position.

(6)

Remove the bobbin 0 and cut the thread with the thread

cutter

Turn

screw 0 to adjust the bobbin to the correct thread

winding volume.

• If the thread winds unevenly on the bobbin

loosen

screw G. and move bobbin winder tension guide

tothe

left

right as necessary.

After winding the thread on the bobbin, pass the thread in the order shown below.

Insert the bobbin into the bobbin case. Pass the thread through a slit in the

bobbin case and under the tension

spring.

Pass the thread through another slit

and pull it out of the thread hole.

~itting

Bobbin

Case

into

Place

Hold the bobbin case by latch

and insert it into the hook.

Let

the thread end fall in front

the bobbin case.

-8-

From the library of: Superior Sewing Machine & Supply LLC

Andere Handbücher für LH4-B814-2

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