Brother International EF4-B561 Service Manual - Page 19

Procedures

Q'ty

of

screw

8

Insert

needles

all

the

way

into

needle

clamp

Q

and

tighten

screws.

9

Install

needle

plate

®

.

10

Check

part

®

on

the

over

looper

driving

lever

and

see

whether

the

machine

is

for

standard

use

(S)

or

high

-lift

use

(H).

11

Standard

needle

for

adjustment

is

as

follows.

•

In

case

of

the

twin

-needle,

use

the

left

needle.

•

In

case

of

the

safety

stitch,

use

the

hemming

needle.

+

The

below

items

of

®

and

should

be

taken

simultaneously.

12

In

case

of

sewing

machines

made

to

the

standard

specifications,

adjust

the

distance

between

the

needle

point

and

the

top

of

needle

plate

to

1 1

mm

when

the

needle

is

up

highest.

The

sewing

machines

of

the

high

-lift

specifications

must

be

adjusted

to

a

distance

of

11.5mm

between

them.

Safety

Stitch

Safety

Stitch

Turn

the

pulley

slowly,

lower

needle

slightly

into

needle

plate

and

adjust

it

so

needles

will

be

in

the

center

of

needle

plate

slot,

by

turning

needle

bar.

13

In

case

of

the

single

needle,

tighten

needle

bar

clamp

with

screw.

In

case

of

the

twin

-needle,

temporarily

fasten

needle

bar

clamp

with

screw.

In

case

of

the

safety

stitch,

after

make

sure

needle

should

be

in

the

center

of

needle

plate

slot,

tighten

needle

bar

clamp

with

screw.

2

0

0

Standard

specifications

I

anal

1 1

.5mm

High

-lift

Specifications

CS)

13

Safety

stitch

(B581)

-

17

-

Brother International EF4-B561 Service Manual - Page 19

Procedures

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