Brother BAS-370, BAS -375 Service Manual

SERVICE MANUAL

FOR

•

BAS-370
BAS-375

PROGRAMMABLE

PATTERN SEWER

ELECTRONIC

••

••••

CONTENTS

•••••o

DISASSEMBLY
FOR

TRANSPORTING

MECHANICAL

[]Needle

[Z]Presser
[ID

Drive, feed mechanism
!!]Intermittent
[§]Thread
[§]Auto eject mechanism

11]

Bottom mechanism

bar and thread take-up,

shaft, and rotary hook mechanisms •

plate mechanism

trimmer

DISASSEMBLY

[]]Covers
lZJPresser

~Needle

[!]Rotary hook mechanism

liD

Bottom mechanism

liD

Thread

11]

Intermittent

liD

Needle bar and thread take-up

mechanism

•••••.•••..••••.•••..•.•

plate mechanism

plate mechanism

trimmer

AND

DESCRIPTIONS

presser

mechanism

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

mechanism

presser

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

ASSEMBLY

..........

lower

.....••••••

..•.•••••..•

foot

mechanism

••..•..•.

•••••.•.•..••

•.••••.••••.•..

••••••••.•.

••••..•.••.

......••••.

•.•••••..••.•..

foot

mechanism

..

• ...

.

.

1-1

1-2

1-2

1-3

1-4

1-5

1-6

1-7

1-8

2-1
2-1
2-2
2-2
2-3
2-3

. 2-4

2-5

2-6

!IDAdjusting

~Adjusting

lrn!Adjusting
lll!Adjusting

~Adjusting

~Adjusting

IM!Adjusting
ll§lAdjusting

needle and feed mechanism

li§JAdjusting

lll]Adjusting

the

presser plate moving speed

the

presser plate pressure

the

bottom

the

auto eject mechanism

the

thread

the

backlash

the

belt

the

timing

the

home position

the

over travel

plunger

trimmer

tension

between

••.••••.••••

••••••.•••

••.•••••••

ELECTRICAL EQUIPMENT

[]]Fuse
lZJPower supply equipment
@!Circuit board
[!]Replacing

liD

LEDs

liD

Function and position
ll]Connectors explanations
[IDSetti ng

~Setting

lrnl

Using

lll1

Diagnosis

••.••••••.••••.•••.••••.••

••••••.•••••••••••••

the

circuit board

of

servo

motor

the

DIP

the

memory switch

the

optional
flowchart

driver

of

switch

output

•••.••••••••.

••••••••••

sensors

••.•••••••

•.•.•••.•..

•••••••••

••••••

•••••••

the

•.••.••

......

•••••••••
..•..•.••

.••••

•••.••••

...

••

4-10
4-10

4-12

.

5-10
5-12
5-13
5-14
5-15

4-4
4-5
4-5

4-6

4-7

4-8

4-9

5-1
5-1
5-2
5-3
5-5
5-6
5-7

ASSEMBLY

[]]Needle bar and thread take-up

mechanism
[Z]Intermittent presser
[IDThread
[!]Bottom

[ID

Rotary hook mechanism

liD

Needle plate mechanism

llJCovers

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

••.•••••••••••.••.•
foot

trimmer

mechanism

....•....•..•...•....••.

mechanism

•.••.••..••.••.

mechanism

...•.••.

•••..••.•..

••...•..•..

STANDARD ADJUSTMENTS . . . .

[]]Adjusting

~Adjusting

[IDAdjusting

needle and
[!]Adjusting
i:IDAdjusting
[§]Adjusting

foot
[l]Adjusting

the

needle bar stroke • • • • .

the

needle bar

the

clearance between

the

rotary hook . . • • • • • 4-2

the

presser

the

presser

the

intermittent

lift

stroke • • • . • • • • • . • . • . . . . 4-3

the

presser plate

height

foot

height

foot

• • • . • • • • . . 4-2

presser

height

• . • • .

the

• • . • 4-2

.

3-1

3-1

3-2

3-3

3-4

3-5

3-6

OPTION

[i]Sub clamp

[Z]Beam sensor thread breakage detector
[IDNeedle thread presser assembly
[!]Two-stage thread tension

liD

Intermittent

IIDJig

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

•••.•.•.••.•••••••••••

presser

mechanism

pattern sensor

·~·

••••.•.••.

foot

control

••...•.••••••.•••••

••••••••••••••••

......

•••••

6-1

.

6-1

6.:.2

6-4

6-5

6-6

6-8

3-7

TROUBLESHOOTING GUIDE . . . . 7-1

4-1

4-1

ERROR

CODE LIST

7-4

4-1

CONTROL CIRCUIT

BOARD

DIAGRAM

7-5

4-4

DISASSEMBLY

The

sewing machines are

mm

long,

and

1363

mm

Assemble

the

sewing machines referring

AND

1820

mm

high.

ASSEMBLY

wide

for

BAS-370,

The

sewing machines are disassembled

to

item

..

[§] Needle plate mechanism" in

FOR

2620

mm

TRANSPORTING

wide

for

BAS-375,

to

make them

and they both are

easy

to

ASSEMBLY.

1415

transport.

<BAS-370 sewing area: 800x400

The

above figure shows

the

needle plate, the rack
presser
bracket

hinge,

is

folded.

when

the

sewing machine

cover,.

the

needle

mm>

the

oil pan, and

plate

without

the

support

<BAS-375 sewing area: 1200x400

The

above figure shows the sewing mathine

the needle plate, the rack cover, the oil pan, and the

presser
bracket

hinge,

is

folded.

when

the

needle

mm>

plate

without

support

1-1

MECHANICAL

II1

Needle bar and thread take-up,

DESCRIPTIONS

lower

shaft, and rotary

hook

mechanisms

1.

Needle bar and

1)

When the
take-up crank@)

2)

The
down

3)

The needle bar
and

motor

needle bar crank e secured

via

the

the

needle bar guide slide

thread

0 rotates in the direction

through

needle bar crank rod

fl

attached

2.Lower shaft and rotary

1)

When the

ID

through

2)

Timing pulley
timing

3)

The
to

the

two

4)

The

,

<To

turn

When

shaft gear m

stopp.er lever W

motor

belt m .

spiral gear @

rotary hook shaft

times.
rotary

hook@

the

the

pulley®

0 rotates in

the

upper shaft@.

(D)

pulley manually >

is

engaged

is

@ secured

is

secured

secured

is

pulled in

take-up

the

to

hook

@.

to

pressed

with

the

mechanism

of

the arrow,

upper shaft@.

to

the

thread take-up crank

0.

the needle bar clamp @
block@,

and smoothly moves up and down.

mechanism

the

direction

to

the

lower

to

the

tip

When the

the

tip

of

in

the

direction

the gear

direction

of

the

shaft @ transmits the

of

the

lower

lower

shaft @ rotates

the rotary hook shaft@ rotates similarly.

of

the

fEJ,

the

of

the arrow,

the

motion

@)

is

guided by needle bar bushes

arrow,

shaft @ , and engaged

upper shaft @

arrow,

it

is

the

the

unlocked.

is

transmitted

moves

motion

onetime,

stopper lever

the

is

motion

the

can

to

the

thread

needle bar clamp @ up and

(U)

@ and

transmitted

to

the

with

rotary hook shaft @ rotates

@1

be

turned manually. When

to

timing

lower

the

is

shaft @ via the

pinion

locked, and

pulley

aJ

attached

the

(D)

@,

(U)

pulley

the

1-2

~Presser

plate

mechanism

1)

When
secured

2)

Link {A) 0

clevis

3)

When
are arranged in a line,

4)

When

the

air

to

the

is

pin@.

the

presser arm 6

the

air pressure

pressure

cylinder@

connected

The

presser arm 6

is

supplied

is

to

link

is

the

material pressing pressure

is

supplied

to

the

cylinder @ from

pushed forward, and

(B)

0 via the stud @),and also connected

is

lowered by pivoting the clevis pin@).

lowered, and

to

the

the

cylinder@ from

the

motion

clevis pin

is

the

air

tube

is

transmitted

@,the

at

stud

@,and

its maximum, and the material

the

air

tube

ID,

0,

the

to

link

to

the

the

cylinder support shaft

the

presser arm 6

presser arm

{A)

0.

presser arm 6 via

is

front

securely held.

rises.

@)

the

«!)

1-3

@]Drive, feed mechanism

<X

direction>

1)

When
gear@ and

2)

The X-timing

3)

The ball spline 6 operates

4)

The rack gear

the

AC

servo

the

X-gear@, and

belt

0 operates

@>

is

LM

guide ill. The rotating

motor

secured

0 rotates,

the

to

motion

the

motion

the

X-timing belt 0 operates.

the

ball spline

rack gear@) via the X-driving gear@.

the

X-movable plates ([!),and

of

the

AC

f)

via

servo

is

transmitted

the

X-driving

motor 0 is

to

timing

the

X-movable plates

converted

the

X-Y

timing

pulley@}.

to

X-directioli movement.

pulley 9

([!)

are guided by

through

the

the

<Y

direction>

1)

When

the

and

theY-timing

2)

TheY-timing

3)

When

theY-shaft@

4)

The

timing

5)

The X-hold frame

AC

belt

servo

belt@

belt@

tiD

fh

motor@

operates.
rotates
rotates,

is

secured

is

guided by

rotates, the X-Y

theY-shaft

the

timing

to

the

the

(ID

belt@) operates via

belt

retention plate

LM-guide@,

timing

via

theY-driving

and moves in

r---

L

..

pulley@

fD,

which

.-h

rotates via

timing

the

pulley

Y-R

is

secured

theY

timing

direction.

:

the

gear@

0).

pulley@.

to

the X-hold frame

and

theY-gear

ID,

0.

1-4

II)

Intermittent

presser

foot

mechanism

<When

1)

When
eccentrically,

2)

The

oscillation

3)

Link

intermittent

4)

The

oscillation

clamp

the

pulley

the

upper shaft . 0 rotates, the

(L)

€)

guide@) .

((i)

moves up and down.

rotates>

the

intermittent

of

intermittent

oscillates

of

the

the

intermittent

presser
feed arm (R) 9

intermittent

connecting

lever@

presser

lever @ guided by

lifter

rod@

is

transmitted

is

transmitted

cam

oscillates

to

the

@ attached

intermittent

to

link

(L)@)

the

intermittent

presser

bar clamp

to

the upper shaft 0 moves

feed arm

through

(R)

0.

U-UD

feed arm

support & · and

((i),

and the presser bar

(L)

0.

the

<When

1)

When the valve operates, and
the direction

2)

The
arrow, and

the

presser

presser

of

the

bar

lifter

raises

the

foot

arrow, the

·presser

is

raised>

the

presser

presser

connecting rod @ operates the

bar clamp ®.

bar

bar

lifter

cylinder (D operates

lifter

connecting rod@

1-5

presser

presser

is

pulled in the direction

bar

lifter

lever

bar

lifter

ID

in the direction

arm

(B)

of

the arrow.

@ in

of

the

~Thread

trimm.er mechanism

1)

When the thread trimming signal
operates in the direction

2)

The
the thread

3)

The
the thread

thread

movable knife e secured

trimmer

trimmer

is

trimmed.

of

cylinder 0 operates the movable knife holder

connecting rod@ .

is

sent, and the valve operates,

the arrow.

to

the movable knife holder

@)

@)

is

engaged

the

thread

in the direction

with

the fixed knife 0 , then

trimmer

of

cylinder 0

the arrow via

1-6

[§]Auto eject mechanism

1)

When
detects the
the

2)

The motion
to

3)
of

4) When the guide plate ® pulls

feed mechanism.

5)

When sewing
cylinder 9 moves in
and

the

cassette plate assembly 0

two

positionings {A) @),or

ejector cylinder 9 operates in

is

transmitted

the

ejector cylinder

Because

plate@.

the guide plate ®

the

ejector cylinder 9

the

cassette plate assembly 0 comes

is

e.

completed

the

to

the

is

is

converted

or

opposite direction

is

attached

the

the

direction

cylinder connecting plate 0 and

guided by

into

the presser

the

to

vertical movement, and the

positioning {A) @),the cassette plate assembly 0

off

to

the

presser

lifter

lifter

of

the

pin

of

the

pedal

to

the

arrow. The guide plate ® pushes positionin·g

the

feed mechanism.

feed mechanism, and either

pedal

is

depressed,

arrow.

the

guide plate @ which are attached

pin plate assembly

motion

is

depressed,

the

valve operates, and

the

ejector sensor @

the

valve stops operating and

fi,

the

horizontal movement

is

transmitted

to

is

secured

the

the

guide

to

the

ejector

{B)

@,

1-7

11]

Bottom

mechanism

1)

When
arrow.

2)

The
via

3)

When
direction

the

bottom

the

belt shift

the

valve operates

lever @ attached

bar@.

valve stops operating

to

the

arrow, and

at

the

the

start

to

the

at

the

bottom

of

sewing,

bottom

end

plunger 0 returns

the

bottom

cylinder 0 transmits

of

sewing,

cylinder 0 operates in

the

motion

the

bottom

to

its original position.

cylinder 0 moves in

to

the

the

direction

bottom

of

plunger 0

the

opposite

the

1-8

DISASSEMBLY

II]

Covers

1)

Remove the screws,

2)

Remove the screws, and tables {A) 0 and

3)

Remove the screws, and

4)

Remove the

NOTE:

5)

Remove

6)

Remove

7)

Remove

8)

Remove

nut

The operation box assembly@

the

screws, and tables {B)@ and

the

screws, the

the

screws, the arm

the

screws, the eye

6,

the

and

front

cover

0,

the

frame side covers@, and

(D)

0.

the

table

cover®.

the

operation box assembly@).

is

connected

{C)

«i>.

belt

presser plates
motor

guard@,

cover@, the arm rear cover

and

Q),

the

to

and

the

dust

face plate

the

4D.

cord.

belt@.

ID,

Be

careful when removing

and

2-1

the

rear cover@).

the

arm

front

cap

it.

{G).

~Presser

plate

mechanism

1)

Remove

assembly@.

2)

Release
assembly@ from

the

the

four

bolts

0,

and

the

presser plate

air, and remove the cassette plate

the

auto eject mechanism e.

@1

Needle

plate

mechanism

1)

Remove the screws,

the

needle plate inner @ , and

right@.

2)

Remove

supports

@_

NOTE:

3)

Remove

4)

5)

Fold
(in

Loosen

the

€)

For

and

the

the

the

needle plate support bracket

the

direction

the

needle plate

the

bolt

and

1

the

the

four

four

9,

the

four

two

needle plate supports

BAS-375,

needle plate support side@.

bolts@.

bolts®.

of

the arrow).

remove the

left

0 ,

needle plate

needle plate

(B)

bolt

f)

ID

inside

1

2-2

[!]Rotary

hook

mechanism

1)

2)

3)

Remove
plate@.
Remove
bobbin
Loosen

@.

the

two

the screw

case

holderS.

the three

screws

@),

screws

0,

and the needle

and the rotary hook

0,

and

the

rotary hook

~

Bottorrt

mechanism

Be

sure

to

release

1)

Remove

2)

Remove

and the bottom lever

3)

Remove

4)

Remove

the

the stop rings
the stop ring@),

the

two

the stop ring

bottom

cylinder®.

the

air.

0.

air tubes G.

0,

and the link

the

washers 0 and

@,the

washer

pin@.

@,

0,

and

2-3

[§]Thread

trimmer

mechanism

Be

sure

to

release

1)

Remove the

2)

Remove the

3)

Remove the

4)

Remove

5)

Remove

6)

Remove

7)

Remove the stop ring

8)

Remove the

9)

Remove the set screw Q),

the
two
two
two

the

screw

the

screw@, and

the

bolt

two

air.
screws
screws@), and
bolts@,

ID,

air tubes@ .

0,

and the needle

the

movable knife

and the fixed knife presser@.

f),

and

the

fixed

knife@.

the

lower

the stud screw@, and the thread

ID,

and

the

movable knife

the

support lever

plate@.

thread finger

shaft@,

0.

4ll>.

trimmer

holder@.

and

the

connecting

thread

trimmer

rod@.

cylinder assembly

@.

2-4

[Z]Intermittent presser

foot

mechanism

1)

Remove the three screws 0 I and

2)

Remove the adjust

3)

Remove the screw

4)

Loosen

5)

Remove the

6)

Remove the stop ring ffi.

7)

Loosen

8)

Remove the

9)

Remove

1

0)

Remove

11)

Remove the presser bar clamp

the

screw

the

set screw@ I and remove the set collar(@.

the

the

screw@) 1 the

f)

and

1

€>

and remove the presser bar

1

two

bolts m I

intermittent

stud screw@.

roller shaft@ I and the

the

face

pi

ate

spring guide 01 the

the

presser

the

intermittent

support assembly {f}.

foot@.

guide@

intermittent

0.

@.

spring 0 I and

4ID

by pulling

I and

lever

fli>

the

U-U

along

the

it

downward.

D feed

with

link

washer@.

lifter

lever

{L)

fD

.

roller@.

2-5

(I] Needle

bar

and

thread

take-up

mechanism

1)

Remove the three screws

2}

Remove the set screw@,

3)

Remove the oil cap@.

4)

Loosen

5}

Remove the screw (left-hand screw}

Q).

NOTE:

6)

Remove the oil cap ffi.

7)

Loosen the

bearing @ and the washer@.

8)

Loosen the set screw

Be

the

screw

f),

sure

not

to

drop

The

needle bearing@

two

set screws

0,

the

and remove the needle

the

®,and

and

the

face

plate@.

needle e, and the needle bar thread guide

bar@

@,and

needle bearing@ and

is

not

used

@,

and remove

remove

the

the needle bar crank rod ® along

for

the

thread take-up support shaft

from

the

arm by

the

needle bar guide slide block@.

thick material specification.

the

needle bar crank ®.

0.

lifting

it

upward.

with

the

Be

sure

not

W,

and the thread take-up

needle bar clamp

to

drop

the

needle

f1).

2-6

ASSEMBLY

[I]

Needle bar and thread take-up mechanism

1) Attach the thread take-up 0

screw@.

2)

Insert

the

needle bearing 0

the

needle bar crank @

tighten the

3)

Attach

4)

Insert the needle bar crank rod

screw)

NOTE:

5)

Pass

the needle bar guide slide block 0 through

the

tip

6)

Insert the needle bar

@,and

7)

Attach

8)

Attach the needle bar thread guide 0 and the needle

setscrew@.

two

set

screws

the

oil cap@.

ID.

The

needle bearing«!>

of

the needle bar clamp@.

4D

temporarily

the

oil cap@.

tighten

to

the

into

the

into

the

thread take-up

fi

so

that

@)

into

is

not

into

the arm from the

the

screw~.

arm using the thread take-up support shaft

thread take-up

they are aligned

the

needle bearing «!>,and

used

for

the thick material specification.

0.

Holding the washer

0,

the needle bearing

with

the screw flats of. the needle bar crank@.

the

needle bar guide

top

of

the machine,

tiD

to

the

0,

secure

pass

it

tip

of

the needle bar

@,and

€)

with

and

the

them using

of

the machine arm, and insert

through the needle bar clamp

tighten

one hand, insert

washer

the

€),

screw (lefthand

ID,

and secure the

the set

and then

3-1

~Intermittent

presser

foot

mechanism

1)

Slide

the

guide

arm

from

the

presser

2)

Insert

secure

3)

Fit
arm, and temporarily

4)

Move
presser bar@ using

5)

Insert
intermittent

6)

Attach

7)

Place

8)

Attach

9)

Place
adjust screw

1

0)

Attach

the

bar@

the

intermittent

the

roller shaft ®.

U-UD

the

presser

the

shaft

the

set collar

the

stop ring

link

(L) 0 to

the

washer

the

presser

part

of

the

presser bar clamp 0

top

of

the

machine head. Then temporarily

should be facing

lever 9 along

feed

lifter

lever roller

tighten

bar@

the

of

the

support assembly®

0,

ID

on

U-UD

(ID

on

the

up

or

down

bolt@.

intermittent

and

tighten

the

roller

feed arm

the

presser bar

m.

foot

@)

to

the

into

the arm channel. Insert the presser bar @

toward

the

front.)

with

link

(L)

0

into

f'J

into

the roller shaft

bolt@.

until

it

moves smoothly, and attach

support assembly ®

into

the

U-U

D feed

the

set

screw®.

shaft@.

(L)

(f) using

@.

Insert

presser bar @ using the screw

lifter

the

stud screw@.

the

spring @ and

tighten

into

lever roller

the

screw

the

shaft

of

the

@,

attach

the

the

needle bar crank bush

ID.

the

@.

@.

(The screw hole

presser bar clamp

intermittent

intermittent

spring guide

guide @

(R),

guide @

and

f1i).

Tighten

into

of

0,

to

to

put

the
the

then

the

the

the

the

3-2

@)Thread

trimmer

mechanism

1)

Attach
screw@.

2)

Attach

3)

Place

4)

Attach

5)

Attach
Make sure

6)

Attach the

7)

Attach

8)

Insert

9)

Attach

the

thread

the

two

air tubes a

the

movable knife

the

thread

the

thread

that

the

lower

thread

the

movable

the

fixed

knife~

the

fixed knife presser

trimmer

trimmer

trimmer

movable knife

knife@

cylinder @

to

the

holder@

connecting

connecting rod ®

finger@

to

into

the

tiD

to

the

bed using

two

elbows

on

the

rod@

holder@

using

the movable knife holder@ using the

bed, and then

using the

€)

of

bed, and attach

to

the

to

the

moves smoothly.

the

screw@.

tighten

two

bolts

the

support lever shaft

the

thread

thread

movable knife holder @ using

the

@.

trimmer

the

washer

trimmer

screw

cylinder@ using

tTl.

0,

cylinder@.

fi

and the stop ring@).

two

screws

ID.

and

tighten

the

bolt@).

the

stud screw

the

set

0).

3-3

[4]Bottom mechanism

1)

2)

3)

4)

Attach
Fit

the

link

pin

Pass

the

and

the

Fit

the

the

bottom

bottom

fi

stop ring @ .

two

and

bottom

air tubes

lever

the

lever

cylinder 0

@}

into

stop

ring@.

@}

through

t0

on

the

to

the cylinder support shaft@ using

theY

-type

the

MS

elbows@

fitting 0 of

belt

shift bar @ 1 and secure them using

of

the

the

bottom

bottom

the

washer@) and

cylinder 01 and secure them using

the

cylinder

0.

the

washers

stop ring

«!>

and

0.

the

0),

3-4

~Rotary

hook

mechanism

The center

1)

Temporarily attach the rotary hook 0

2)

Attach the rotary hook bobbin

3)

Turn the pulley

that

rotary hook

4)

Turn the pulley
Adjust the position
of

<Distance from

of

the

needle

to

the rotary hook

point

to

the needle hole

the
Rotary hook
Rotary hook
Rotary hook

{B

{BR)

{BRTR)

raise

the

needle

@)

point
and the needle
align the rotary hook point@)

of

the needle bar by moving

and

the

rotary hook point@)

upper end

1)

{S29785-001){for medium thick material) 0.5-

{S27851-001){forthick material) 1.0-2.0 mm

{531739-001

to

the rotary hook shaft@) using

case

is

aligned

to

holder 9

2.2

0.01

to

the

bed using

mm from its lowest position. Tighten the three

with

the

center

- 0.08 mm.
with

it

vertically

is

as

follows:

of

the needle hole

to

the rotary hook

){for extra thick material) 1.0-

the

of

the

needle. Adjust the clearance.between

the center

so

that

The center

the

three set screws@.

of

the

screw@.

set

of

the needle.

the

clearance between the upper end

Loosen

the set

point>

1.5

mm

2.0

mm

needle

screws

screws

@

so

the

fi

..

3-5

[§]Needle

plate

I

I

I

~

mechanism

t~i

I

1)

Loosen the

2)

Temporarily attach

3)

Temporarily attach
needle plate support brackets

support bracket@.

NOTE:

4)

Put

the

supports, and

5)

Fully

bolt

0

For

the

BAS-3751 temporarily attach

support 0 using

needle plate

tighten

tighten

the

bolts

and pull

1

the

needle plate support bracket@ using

the

four

the

left

@,the

the

screws

0,

@),

the

needle plate support bracket@ out.

needle plate supports G and

@,

and

tighten

bolt@.

needle plate inner

after

adjusting

@,

and

@.

the

bolts @ from

the

needle plate support side

([i)

and needle plate

1

the

screw holes.

the

the

four

bolts@).

two

needle plate supports

the

underside

right

f)

ID

of

to

on

(B)

the

needle plate

the

needle plate

the

needle plate

0

to

the

3-6

[l]Covers

1)

2)

Attach

Attach

the

eye

guard 0 and

the

arm rear cover

the

@)I

face

plate@

the arm

front

using

the

respective

cap 0 I and

the

arm

screws.

motor

screws.

3)

Attach

4)

Attach tables (A)@ I
NOTE:

5)

Insert

6)

Attach

7)

Attach

the

dust

belt@

Insert

the

the

operation box assembly m

the

two

table covers@ using the

the

front

cover 0 I

(B)

earth

and

the

tiD

I

(C)

plate@

the

belt

presser plates 6

ID

I and (D) 0 I using

under table

into

(C)

table

screws.

side covers@, and

to

the

the

X-hold

bolts.

frame@.

ID.

(C)

ID

I and

tighten

the

rear cover@ using the respective

the

3-7

cover 0 using

nut@.

the

screws.

respective