Brother BAS-411, BAS-415 Service Manual

SERVICE

FOR

MANUAL

BAS

-4

11

BAS -415

SINGLE HEAD ELECT RONIC EMBROIDERY MACHINE

I

· ·.~

-

(

PART

NAMES )

CONTENTS

·.

· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1

( MECHANICAL

[I] .upper

00

Lower

00

Thread

[j]

Thread [§] Needle

[§] Picker mechanism • . . . . . . . . . . . . . . . . . . . . . . . . . . . • . • • . . . . . . . • . . . . . . . • . • . . • • . • . . . . . . • . . . . . . 8

[1]

Drive, (X)

[I]

Drive, (Y)

( STANDARD ADJUSTMENT ) · · · · · · · · · · · · · · · · · · · · ·

[I]

Adjusting

~

Adjusting

00

Adjusting

[j]

Adjusting [§]

Adjusting

DESCRIPTIONS ) · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 3

shaft

mechanism . . . . . • . . . . . . . . . . . . . . . . . • • . . . . . . . . • . . . . . . . . . . • . . • • . . • . . . . . . . . . . . . 3

shaft

and

rotary trimmer wiper

bar

feed feed

mechanism . • . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . • • • • • • . • 5

mechanism . • . . • . . . . . . . . . . . . . . • . • . . . . . . . . . . . . . . . . . . . • • • • • . • • . • . . . . . . . • . . . 6

flip-up

mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • • • . . . . • . . . • . . . . . . . . . . . . . . . • . 9

mechanism . . . . . . . . . . . . . . . . . . . . • . • . . . . . . . . . . . . . . . . • . • . . • . . . . . . . . . . . . • • . 10

needle timing cloth

presser

knife

and

picker . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . • • • • . . 15

hook

mechanism . . . . . . • • • • • . . . . . . . . . . . . . . . • . . . • • . . • • . . . . . . . • . . . . 4

mechanism . . • • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . • • • . • • . 7

·.

· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·

bar

height

of

needle and

height

fixed

...•..............••......

rotary

hook

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . • . . . . . . . . . . . . . . . . • . 13

knife

. • . . . . . . . . . . . . . • • . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . 14

. . • . . . • • . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . • • • • . • 13

~

. . . . . . . . . • • . . . . . . . . • . . • • • • • • • • •

11

[§]

Adjusting

[1]

Adjusting

00

Adjusting

00

Adjusting

lim

BAS-411·415

In]

Adjusting

1m

Adjusting

lj}

Positioning

IB1

How

1. X-feed

2. Y -feed

the

thread

wire

wire thread bobbin

test

synchronizer . . . . . . . • . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . 23

home

over

to

adjust

thread

wiper

tension

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . • . . . . . . • . . . . . . . . . . . . . • . • • • • • . 17

. . . . . . . . . . . . . . • . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . • . . . . 18

breakage

winder

mode

position

limit

sensor

sensor (thread breakage detector) . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . 35

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . • . . . . . . . . . • . . . . . . . • • 16

.....•.................•........................••...•.•...••••

detect

...................•.........................................

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • • • • • • . . . . • . . . . . . . . .

using

stud

..........................•.•.....•.•............

home

position

...................................•..••..•...............

plate

. . . . . . . . . . . . . . . . • . . . • . . . . . . . . . • . . . . . . 26

17

19 20 21

28

( LUBRICATION ) · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 36

[I]

~

Machine Feed

head . . . . . . . . . . . . . . . . . . . . . . . . • . . . • . . . . . . . . . . . . . . . . . . . . . . • • • • • . . • . . . . . . . . . . . . 36

guide

mechanism

.......................................•........•..............

38

(

REPLACINGANDADJUSTINGPARTS)

[I]

Removing and

~

Removing and

lm

Removing needle

1!1

Replacing

~

Replacing

[§]

Attaching X wire

[1]

Attaching Y wire

(

ELECTRIC

[!)

Circuit

~

Replacing

00

Fuses

(!]

P-ROMS

~

DIP switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

[§]

Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

board

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

up

and

jump

adjusting adjusting

bar

down

solenoid

machine head (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

machine head (2) .

case

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

motion

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

parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

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

COMPONENTS ) · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 46

locations

circuit

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

board

...•............................................................

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

· · · ·

..

··

. . . . .

· · · · · · · · · · · · ·

.. . ..

..

. . . . . . .

··

· · · ·

..

··

· · · · · · · ·

. . . . .

.. ..

··

..

.. .. ..

· · · · · · ·

. . . . 40

··

39

41

43 44 45

46 47 58

[1]

troubleshooting

BAS-411 BAS-415

00

Harness connections and connectors

(

EXPLANATIONOFOPTIONALPARTSINSTALLATION)

[]]

ML

6511amp set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

~

Light

marker

00

Connecting

1!1

Bobbin

(

TROUBLESHOOTING)·····························································

winder

[!) Mechanical

~ Electrical

00

List

BAS-411 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

of

problem

error

flowchart

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

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

optional

problem

messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

parts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

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

number

with

machine . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

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

..

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

70 70 81 92

· · · · · · · · · · · · · · · · · · · · · · · · · · · 106

.. ..

. . . .

..

. .

..

. . . . .

..

. 112

118

BAS-415 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

BAS-411 KEYBOARD BAS-415 KEYBOARD UNIT CONTROL BAS-411 CONTROL BAS-41

5 CONTROL

UN

IT CONTROL

BLOCK BLOCK

DIAGRAM DIAGRAM

BLOCK BLOCK

DIAGRAM DIAGRAM

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

(

Part

(

BAS-411

names

)

0 Thread 0 Embroidery

@)Spool

@ Speed dial

guide

shaft

bar

hoop

(B)

@ Thread tension dial

<9

Table plate 6 Operation panel

(!) Keyboard assembly

4D

Disk drive

@)

Thread take-up

CD

Guard bar

-1-

0 Thread take-up cover

@)

48

Power switch Contrast dial

of

liquid

crystal display

( ·

BAS-415

)

0 Thread

@ Embroidery

@)

Spool

Q) Speed dial

guide

shaft

bar 8 Thread tension dial

hoop

(B)

(!) Table

tD)

4D

plate Keyboard assembly Disk drive

@)

Thread take-up

8 Operation panel

4D

Guard bar

8 Thread take-up cover

~

C8

-2-

Power switch Contrast dial

of

liquid

crystal display

(MECHANICAL

DESCRIPTIONS )

lii Upper shaft

mechanism

1)

When

the

pulley 0 rotates

The upper.shaft 8 then rotates

2)

The thread take-up driving

3)

The

up

and

down

motion

down.

4)

The needle bar 8

is

guided by

in

cam@)

parts

the

direction

the

thread take-up driving

transmits

<9,

attached

the

needle bar

of

the

to

case

the

arrow,

motion

the

@).

it

cam

to

the

main needle bar

transmits

@). connecting rod

the

0,

rotation

9.

move

the

to

the

upper shaft

needle bar 8 up and

8.

-3-

~

Lower shaft and rotary hook mechanism

1)

When

the

The upper

2)

Upper shaft gear

3)

The

lower

attached

NOTE:

In BAS-

pulley 0 rotates shaft@

shaft gear 0 transmits

to

the 411

then rotates upper shaft gear (A)@).

(A)@)

lower

and 415,

in

transmits

shaft@), rotates in

the

rotary hook makes

the

direction

the

of

the

movement

rotation

the

direction

to

the

two

arrow,

the

it

transmits

lower

shaft gear 0 via the vertical shaft

attached lower shaft

of

the arrow.

revolutions

the

rotation

@).

for

each revolution made by

to

Then

the

upper shaft @.

the

rotary hook

the

e.

6,

pulley.

-4-

~

Thread trimmer

mechanism

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

~

After moves.

the

final stitch, roller shaft (A) 0

Then the knife 0 engages

moves

with

the fixed knife

into

the

groove

0,

of

trimming the thread.

the

cam

@,and connecting plate

(B)

@)

-5-

II]

Thread

wiper

mechanism

~--------

After

sewing

and

the

presser.

is

completed, upper thread guide hook The thread presser

the

thread guide solenoid 0

secures

@)

attached

the trimmed thread.

to

the plate @ brings the trimmed thread

moves

the

plate

@in

the direction

of

to

the

arrow, thread

-6-

[§]

Needle

bar

flip-up

mechanism

~~------

After are

activated.

receiving

the

set needle bar

The needle bar

flip-up

signal,

is

performed

cam

gears (A) 8 and

by

the

change cam

(B)

9.

@)

attached

to

the

pulse

motor

0

-7-

[§]

Picker

mechanism

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

The

picker solenoid 0 functions

attached under

During thread trimming,

to

connecting plate

the

material.

at

the

(A)@

the

picker@) operates

moves in the direction

beginning

to

keep the needle thread length constant.

of

sewing and after thread trimming.

of

the bobbin

case

e, then pulls the upper thread

The

picker

@)

-8-

[1]

Drive, (X) feed mechanism

1)

Pinion gear @).

2)

When idle gear (A)@) rotates, the (X) wire direction

of

(B)

@ attached

the

X-axis

(left

e right) via

to

the X-pulse motor 0 rotates, then transmits the rotation

the

CD

reeled in the wire drum

pulley

<9.

(X)

e moves

to

the

carriage & in

idle gear (A)

the

-9-

[II.

Drive, (Y) feed

mechanism

1)

Pinion gear (B)@

2) When idle gear (A) @)rotates, the

right

and the

pulley8.

of

theY-pulse motor 0 rotates, then transmits the rotation

left

move the carriage

(Y)

wires @)(left) and (right) reeled in

fi

in the direction

of

theY-axis (backwards e forwards) via the

to

idle gear

the

wire drums

(A)@).

(Y)

8 on

the

-10-

c

STANDARD

lii

Adjusting

ADJUSTMENT

needle

bar

height

)

Tighten the screw

0so

that

the

is

kept equal.

gap

~

1)

Lower rotary hook shaft,

the

-30°.

2)

Raise

the

Then

tighten

NOTE:

Make sure

needle bar

tighten

needle bar

the

screw 0

that

the

to

its lowest position. When

the

screw

of

the

needle bar clamp @

to

its highest position. Lightly

so

that

it

is

positioned in

stopper does

not

strike

the

needle

press

the

stopper

the

front.

the

needle bar guide rail.

tip

is

raised 9 mm above

so

that

the

screw 0 leans

@)

to

the

center

to

the

cushion rubber 9 side.

of

right

the

25°

-11-

When using

the

gauge (optional)

Gauge

1)

Loosen

2)

Insert the gauge (option)

3)

Loosen

gauge NOTE:

4)

Tighten

the screw 0 and remove the

screw e

at

its lowest position.

Do

not

use

the

screw 9

of

the

of

the

into

the lower shaft.

the

needle bar clamp

flat

part

of

the

needle bar

rotary

gauge

clamp@)

hook@

@).

Turn

at

this time.

firmly.

from the lower shaft.

the

pulley until the needle

tip

lightly contacts

the

-12-

~ Adjusting timing

of

needle and rotary hook

I I

1/

I

I I

: I

1)

Selectthefirstneedlebar

2)

Remove

3)

When rotary hook the At

4)

As the

the

two

the

needle bar

@),

two

stop screws.

this time,

for

3 screws

the

other needle bars,

of

the

I

\

I I

Aprrox.1 mm

2.5mm

0.

screws and

and adjust

needle bar height should be about 1 mm. {Figure A) .

rotary hook.

is

raised

the

needle plate@.

2.5

mm

so

that

if

the

gap between

(201°)

the

needle meets

above its lowest position (180°), loosen

the

rotary hook point. Then, temporarily

the

needle and rotary hook

point

is

0.01 -0.2

the

screw 0

mm,

of

tighten

the

~

Adjusting cloth presser height

Adjust

mmthick.)

1.5

the

cloth presser 0

mm

from

the

needle plate @

height

with

at

the

Cut and insert.

the

cushion rubber

cloth presser's lowest position. {A sheet

@).

The cloth presser 0 height should be raised 1

of

the

cushion rubber

is

0.5

~13-

(j] Adjusting knife

1.

Attaching fixed knife

1)

Attach broadens

the

fixed knife

at

part®.

Make sure

and

fixed knife

so

that

the

attached part parallels

fixed knife doesn't contact

the

rotary hook

it

at

this part.

base.

~-

The movable knife

2.

Knife timing

1)

While pushing When

the

of

the

24 J gear e I

blade should be in

2)

Tighten shaft. While pushing

begins

3.

Knife position

Loosen

knife's tip.

If

the

revolution. In

4.

Knife and fixed knife

1)

With the

2)

If

the

lower

NOTE: NOTE:

the

to

the

knife does

a marker, color

colored portion

engagement

set screw

The inclination

bottom set screw

This

the

knife

@)

screw

move,

screw & and adjust

After

that

CD).

is

fine adjustment. Adjust carefully.

cam

lever 0 up

begins

the

of

the

thread trimming, not

case,

is

to

move,

fix

the

cam

center

the

blade in

stop

the

is

shaved equally.

wrong, loosen

of

24 J gear e

cam

lever 0 up

the

at

the

move

the

back

of

the

fixed knife @)should

CD).

with

a finger, rotate

the

pulley

CD

by hand

the rotary hook supporter@).

rotary hook should be in

the

knife

the

knife should be in this position.

stop position,

knife

the

knife

This

the

will

become harder

so

it

does

so

there

is

no backlash

with

a finger, rotate

@)

position

the

upper shaft

to

the

stop position by hand.

@)

and engage

shows proper knife engagement.

screw

@)

of

the

not

rotate, and

the

so

that

it

fixed knife

be

adjusted

pulley @ in

to

turn.

of

the

cam

the

pulley @again. When

center

with

of

the

its end projects 1 mm beyond

will

be locked and

the fixed knife

@)

and adjust

with

the

direction

At

this time, tighten

turn

the

pulley.

in

the

direction

rotary hook supporter

it

cannot make one

@)

manually.

the

two

top

of

the

The

rotary hook

of the

Check

inclination

screws

@)

the

knife

@).

the

with

and

arrow.

screw

lower

@)

fixed

full

that

the the

-14-

1§1

Adjusting

picker

1)

Insert

2)

Leave screw0.

3)

Adjust bracket(!)

4)

Adjust pushed

5)

Adjust

the

bobbin

the

solenoid arm

the

picker @

with

the

gap between

to

the

pulley side (the solenoid operation position), then tighten

the

picker position

case

the

so

screw

0 containing

@)

pushed

that

there

is

8.

the

point

of

so

that

it

the

bobbin

to

the

needle bar side, then

no

looseness and

the

picker and

is

bisected by

into

the

rotary hook and set

tighten

so

that

it

functions lightly. Then

the

bobbin

to 1 -1.5

case

spring

Figure A

the

picker@ position.

connecting plate (A) e

tighten

mm.

Leave

the

solenoid arm

the

screw@).

(see

figure A).

with

the

picker

@)

-15-

[§]

Adjusting

the

thread wiper

1)

2)

With

a finger, move

adjust

the

Adjust

the

solenoid arm 0 in

upper thread guide

upper thread guide hook @

hook@

so

the

that

direction

it

moves slightly.

its cut part

of

the

is

located

arrow.

at

the

Loosen

center

the

of

two

screws @ then

the

needle hole.

-16-

111

Adjusting

1.

X-feed wire

wire

tension

Using a 1.5 kg

is

a deflection

torque of

wrench

approximately

or

a similar

14

mm.

tool,

0

push

at

1.5 kg

the

location marked by

the

arrow

and adjust

so

there

How

to

adjust

1)

Remove

2)

Loosen

3)

There are tension and

4) When

5)

After

the

seven screws 0 and

the

two

stoppers (U)

turning

the

tension

tightening

the

screws 0

is

screw

of

both

(S)

on them counterclockwise proper,

0,

tighten

firmly

two

covers

hook

(LX)

the

right

screw

retighten stoppers

@)

and hook

and

will

0.

(LR,

the

decrease

-17-

LL)@.

(RX)

left

(U)

(S)

0.

sides.

the

so

Turning them clockwise

tension.

there

is

no

looseness.

will

increase

the

2.

Y-feed wire

At

points marked points similar

on

tool.

the

right

and

in

diagram), adjust

left

wires where a line extended from

the

deflection

to

approximately 8

the

carriage intersects

mm,

using a 1.5 kg torque wrench

(see

the

arrow-

or

a

How

to

adjust

1)

Remove

2)

Loosen

3)

There are tension and

4)

When

5)

After

the

seven

the

two

stoppers

turning

the

tension

tightening

screws 0 and

screws

CD

of

(U)

them counterclockwise

is

proper,

screw@,

the

both hook

(S)

on

tighten

firmly

retighten stopper

two

covers

(L

Y)

the

right

screw@.

(LR,

@)

and hook

and

the

will

decrease

-18-

LL)

left

(U)

@.

(RY)

(S)

8.

sides.

the

tension.

so

there

Turning them clockwise

is

no

looseness.

will

increase

the

[!] Adjusting thread breakage detect

stud

3/4

When stud the {Adjust

the

needle thread

Ois

slowly returned,

tension by moving shaft no.1@

so

that

the

spring moves

NOTE:

When #120 thread

is

the

pulled near

thread breakage detect stud 0 should return

within

is

used,

the

needle and

right

or

left. _

3/4

of

the

needle thread tension should be from

hole@)

the

thread which moves

of

the

2-stage thread guide)

the

thread breakage detect

to

its position smoothly. Adjust

60-

120 g ..

-19-

[j] Adjusting bobbin winder

1.

Positioning bobbin

winder

claw stud screw

1)

Remove Remove

2)

Move position where thread-winding ends.

3)

Tighten

the

three screws 0 and

the

two

screws 8 and

the

bobbin presser @)toward

the

two

screws

@)

so

@).

2.

Positioning

button

presser

the

that

bobbin

the

bobbin

the

plate spring

winder

cover@.

equipment assembly

winder

fi

shaft

<9.

is

at

the stepped section

9.

Stop moving just before

of

the

bobbin

it

reaches

winder

the

claw

Loosen

the

bobbin.

screw

41!)

and adjust

the

bobbin presser

tD

-20-

so

that

the

proper

amount

of

thread

can

be

wound

on

rml

BAS-411·415 test mode

The

BAS-411 displayed, pressing test mode operation.

1.

Explanation

(

BAS-411

/

(i)SYNCH P.ROM

P.ROM

and 415 main menu contain test mode functions. Although

the

number

of

test mode display

)

®Ov-

J Ver. M

K Ver. *

TRVL

*•

S *

( BAS-415 )

<0>

key

(BAS-411)

l--------J~~oo-

1------~_..~

1--------J~~oo-

or

the<*>

test options

P-ROM P-ROM

the

test

options

key on

version on version on the keyboard circuit board

the

keyboard

the

main circuit board

(BAS-415)

will

not

will

be

start

~

[SYNC]

J Ver

*,

'------------------J~~oo-

2.

Explanation

CD

P-ROM[]J]-Ver.

®

P-ROM

[TRVEL]~

* K Ver *

I

IL...------------J~~oo-

of

P-ROM

version

M[*r.j_S~.....__r]

- - •: version No.(1-Z)

[K[}Ver.[r.__]

_______

- : version

\--------"'JIIoo-

___

test options

P-ROM P-ROM

....,.

- J stands

E stands

_....,..

version on version on

for

P-ROM

for

P-ROM

No.(1-Z)

the

main circuit board

the

keyboard circuit board

for

domestic

for

overseas (English)

use

(Japanese)

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

*

Howtostartthetestmode

BAS-411

BAS-41

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

5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Select

K stands

(common

Selectthe<O>keyinthemainmenu.

-21-

for

the

< * > key in

P-ROM

on the keyboard

both domestic and

the

main menu.

ov~rseas)

3.

Explanation

1)

of

test menu

( ____

The

2)

(

____ ® ___

The

Pressing

After

adjustment,

~

___ s __ v __ N

menu

for

adjusting

r

___

r

menu

for

adjusting

alphanumeric

press

__

c ___ H

the

needle

__ a __ v ___ e __

the

position

keys < 1 >

the

<END>

_____

position

l

____

_,)

of

or

< 2 > will set

key

)

detecting

the

overtravel sensor.

the

to

return

to

synchronizer

machine

the

main

on

the

machine

into

one

of

the

test

modes.

menu. (BAS-411·415)

upper

shaft.

-22-

IDJ

Adjusting synchronizer

The

synchronizer detects

base. When thread trimming, the

1.

the

emergency stop operates

the

same position

as

Adjusting machine stop position (stop signal)

the

needle bar

the

other

needle position and synchronizes

after

the

power switch

will

be released in

8 needle bars.

the

is

turned on,

jump

condition, and

the

motion

or

of

the

needle and

when

the

thread take-up

the

machine stops

will

stop

holder

after

at

(

BAS-411

<DSYNCH

ROM ROM

(

BAS-415

+-

[SYNC]

J-Ver * K-Ver *

(

BAS-411

(

®Ov-

J-Ver.

M*,

K-Ver. *

SYNCH

S*

[TRVEL]-+

check

)

TRVL

)

TDU

)

1) Turn on

2)

(BAS-411)

Press

the

menu.

(BAS-415)

Press

the<*>

3)

(BAS-411)

Press

the

4)

The

green panel shown in

the

machine power.

alphanumeric key

key

in

< 1 > key

LED

will

display

the

to

located on

the

figure on

<0>

key

the main menu.

select

<DSYNCH.

the

upper

numbers from

the

left.

in

the

right

<D

to ® as

main

of

the

(

BAS-415

(_SY_N_C_H·

__

)

T_=_·_D_=_•_U_=_O

__

(BAS-415)

By

pressing

The

]

-23-

circles next

black.

the < <l>

to

"T"

key, select

and

"D"

[SYNC].

in

the

display are

Timing pulse ® Needle do

Curved mark

si

gnal@

wn Nee

si

gnal @

dl e up

Stop

mar

The

synchronizer will

display

the

signals

as

follows:

bl

in

<D

timing ® needle @needle

pulse

CD .........

down

signal ©

up

signal @

..

.

goes

.

goes between

ks every 7.5°

off

at -21

off

when

-92.5

oo

°

and 112.5°

92

.5° . . . . . . When t he needle bar

mm

112S

210

° . . . . . . .

below

When the

mm b

When

its highest position.

needle bar is lowered

elow

its highest

the needle bar

is

lowered 20

positio

is

n.

raised

29

20

mm above its lowest position.

k

5)

Turn

the

machine pulley in i

To adjust

sc

rew 0 so that

when

pos NOTE:

the ne ed

ition

At

the

.

this time, the curved mark on

should

synchronizer

the

needle s

le

is

20 mm bel

be aligned wi

ts

normal direct

assembly@

top signal goes

ow its

th th

e st

op

ion

, loosen the

off

highe

st

the

pulley

mark.

.

-24

-

2.

Adjusting needle down signal

When position,

NOTE

the

1:

2: How

machine pulley 0

the

lit

needle

When procedure 1 "Adjusting machine stop position" the

same adjusted. When only to

be adjusted.

to Rotate stop

the

of

down

angle.

attach

the

the sewing machine upper shaft and attach

is

turned

signal should

Be

sure

to

the

needle

sewing machine pulley

adjust

in

the

in

its normal direction and

go

off.

the

down

normal rotation direction. Align

the

pulley. Then,

Loosen

needle down signal when machine stop position

signal

the

two

is

adjusted,

tighten

screws@

is

done,

the

needle

to

the

needle

machine stop position does

the

screw.

is

adjust.

down

the

first screw

5 mm above its lowest

signal

with

will

move has not

the

to been need

screw

-25-

Ill

Adjusting

home

position using home position plate

NOTE1: NOTE2:

Use

the

Before making this adjustment,

< X-direction >

XY-~xis

home position plate assembly

turn

the power switch

(521078-001

1)

Remove

0,

plate

2)

Remove

3)

Loosen

drum X

4)

Temporarily tighten the screw limit

5)

Attach

(180 degrees) from home position

6)

While holding down the the power.

optional).

off.

the holder

and then attach the

assembly@).

the

seven

set screw &

<9

can

dog~

is

the

X-limit dog

base

screws

of

turn

idly.

centered in its hole.

the

dog([!) interrupts

8 from

XY

-axis home position

0 and table R

wire drum X

@)

~

so

that

sensor

CD

sensor

EMERGENCY

the

<9

so

it

when

key,

X-carriage

0.

that

wire

that

the

is

opposite

the

X-axis

4D

light.

turn

X-

on

7)

The

machine detects

XY-axis home position plate@)

8)

Turn XY-home manually and adjust that

it

is

in

the home position plate firmly

so

that

there

the

position

center

is

X-home position and

stops.

plate

the

needle

of

the

@).

Then, tighten screw &

no end play

assembly

tip

cross

of

position

of

the

XV

shaft.

the

@)

so

-axis

-26-

< Y·diredion >

[ENTER] [START(sewing)]

[EDIT]

[COMMUNICATE]

Remove

(

1)

screw 0 and cover LV@ on the left.

BAS-411

Turn on the power. Press

the

<0>

)

key in the main menu.

<DSYNCH ROM

J-Ver.

ROM

K-Ver. *

<D+X

File

No.

01

*

~

[SYNC]

J-Ver 1 I 1

®Ov-

M*,

®-X

[TRVEL]-+

S*

1

TRVL

®+Y

K-Ver 1

@-Y

2)

Press

the

< 2 > key

3)

Loosen and bracket (forward and backward).

(

BAS-415

1)

Turn on

Press

2)

Press

the

bolt

<END>

e by moving

the

power.

the<*> the<-+>

key alternately, adjust

)

to

select

@).

While pressing

key

in

the main menu.

key

to

select

Ov-

TRVL.

the

it

in

the y direction

..

TRVEL.

..

<2>

the

key

sensor

3)

+

-X=

0,

- Y =

0,

+ Y = 0

Loosen and bracket (forward and backward).

NOTE:

-27-

the bolt@). While pressing

<END>

e by moving

Move the sensor bracket toward the

needle

the<-+>

key alternatly, adjust

it

j n

the y direction

is

not

in

the center

of

the

sensor

center

cross.

key

if