Brother International LK3-B430 Service Manual - Page 20

6.

Needle

bar

positioning

(1)

Turn

the

pulley

to

lower

the

needle

bar

to

its

lowest

position.

Loosen

screw

Q,

and

move

the

needle

bar

up

or

down

so

that

the

top

reference

line

0

on

the

needle

bar

meets

the

lower

end

of

needle

bar

bushing

0.

*

If

a

DP

X

17

needle

is

used.

adjust

it

so

the

second

lowest

reference

line

C)

meets

the

lower

end

of

the

needle

bar

bushing.

(2)

After

this

adjustment.

fit

needle

bar

thread

guide

ID

onto

the

needle

bar.

insert

needle

0

into

place

with

its

long

groove

facing

the

front,

and

fasten

it

with

screw

S.

(3)

Raise

the

machine

head.

fit

the

driver

onto

the

lower

shaft,

and

install

the

shuttle

hook.

(4)

Turn

the

pulley

so

that

the

lower

end

of

the

needle

bar

bushing

0

meets

the

second

highest

reference

line

0e

in

its

ascent

from

the

lowest

position.

At

this

time,

move

the

driver

so

that

the

point

of

the

shuttle

hook

meets

the

center

of

the

needle,

and

tighten

bolt

(111

through

the

adjusting

hole.

*

If

a

DP

X

17

needle

is

used,

adjust

it

so

the

lowest

reference

line

0

meets

the

lower

end

of

the

needle

bar

bushings.

A

- -

—

18

-

Brother International LK3-B430 Service Manual - Page 20

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