Brother B773, B774, B7740 User Manual

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SINGLE NEEDLE ADJUSTABLE TOP

B773 ° B774 ° B7740

AND

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BOTTOM FEED LOCK STITCH MACHINE

(PLY SENSOR)

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e GAUGE PARTS LIST e

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CONTENTS

1.

For Topstitching ......................................................... 1

2.

For Gathering

3.

For Rolled-Hemming ....

4.

For Materials Hard to Feed

5.

For Sewing Zipper (Exclusive Right)

6.

For Sewing Zipper (Exclusive Left)

7.

For Binding

8.

For Restrain Cloth from Flapping

9.

Effective Type for Packering ....................................... 10

1

0.

For Piping ................................................................... 1 0

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. 7
. 8
. 9
. 9

1 0

6

11. For Concealed-Seaming Waist Belt ............................

12. For Special Type ........................................................

13. For B7740, 25 m/m Sensor ......................................... 12

40,

14. For B77

18 m/m Sensor ......................................... 14

11
11

Gauge Type Presser Foot Assembly

I Free

A

Thin·
Medium-

Thick
Materials

Exchange
parts
assembly

183558-001

~

presser
foot

~

151277-101

AC

1 I

Thin·
Medium- '

Thick _·­Materials
Exchange
parts
assembly

183579-001

Free
presser
foot

~

159447-101

AC1.5l

Thin·
Medium­Thick
Materials
Exchange
parts
assembly

183615-001

s

AC

L 11

Thi

n·
Medium­Thick
Materials

Exchange
parts
assembly

183587-001

5143

AC2

1

Thin·

Medium- , _

Thick

Materials
Exchange
parts
assembly

183580-001

s

AC

L 21

Thin·

Medium-

Thick .- ·

Materials

Exchange

parts

assembly

183588-001

~

----~

~

---S_14_3~21_-0~0~1

Free
presser
foot

13745-001

Free
presser
foot

17-001

Free
presser
foot

~2

01041-101

Free
presser
foot

~

Upper Feed Dog

~

2

__

L_

_S~13~25~6~

Oblique
type
teeth

1'%.

'%.

'%.

-

0~0~1

__

Needle Plate

L_

~15~92~8~8-

Feed Dog

s61

.6

12.4'%.

Oblique
type
teeth

p 1 .

15

I~=!)

~0~01~

_L

~1~5~93~0~1

-

~00~1

--_l

Uses

Men's and lady's
wear etc.
Stitching sleeve
caps, Basting under
sleeve, Seaming

back center, Joining I o

shoulders,
sides

Dress, Shirt, Blouse
etc.

Top~titching

Sew1ng
(1

mm compensat-

ing foot)

Shirt, Blouse

Dress,
etc.
Topstitching edge,
Sewing pocket

(1.5 mm Right com·

pensating foot)

Dress, Shirt, Blouse l
etc. 1

Topstitching edge,
Sewing pocket

(1

mm Left compen-

sating foot)

Shirt, Blouse

Dress,
etc.

Topstitching edge,

Sewing pocket
(2 mm Left
sating fooi)

Dress, Shirt, Blouse
etc.
Topstitching edge
Sewing pocket '
(2 mm Left
sating foot)

________

Sew

edge,

pocket

compen-

compen-

ing

r-'\

'-'

I

~

!1

_j

~

1

- I -

•

For

Topstitching

Gauge Type Presser Foot Assembly

Thin·
Medium­Thick
Materials
Exchange
parts
assembly

183581-001

s

AC

L

31

Thin·
Medium­Thick
Materials
Exchange
parts
assembly

183589-001

s

Thin·
Medium­Thick
Materials
Exchange

parts

assembly

183616-001

s

0

ACL61

Thin·
Medium­Thick
Materials
Exchange
parts
assembly

183617-001

s

AC

L

71

Medium­Thick
Materials
Exchange
parts
assembly

183618-001

s

AC

9 I

~

Medium­Thick
Materials
Exchange

, parts

assembly

183619-001

~(~%

s

Free
presser
foot

01044-101

Free
presser
foot

(

14323-001

Free
presser
foot

13748-001

Free
presser
foot

13754-001

Free
presser
foot

13758

001

Free
presser
foot

'l.

--~--~

13751-001

Upper Feed Dog

1

.....,

T

I

s

13256

Oblique
type
teeth

001

Needle Plate

159288

001

¢1.6

Feed Dog

Oblique
type
teeth

p 1

.15

12.4%

I~

159301-001

Uses

Dress, Shirt, Blouse

etc.

Top~litching

Sewing pocket

'!lm Left compen-

(2
sating foot)

Dress, Shirt, Blouse
etc.

Top~litching

Sew1ng

(3

'!lm Left compen-

sating foot)

Dress, Shirt, Blouse
etc.
Topslitching
(5 mm Right com­pensating foot)

Dress, Shirt, Blouse
etc.
Topstitching
(6

'!lm Left compen-

sating foot)

Dress, Shirt, Blouse
etc.

Topstitching

(7

'!lm Left compen-

sating foot)

Dress, Shirt, Blouse
etc.
Topstitching
(9 mm Right com­pensating foot)

edge,

edge,

pocket

-

2-

•

For

Topstitching

Gauge Type

AM

I

Medium­Thick
Materials

AS

j

Medium­Thick
Materials
Exchange
parts
assembly

183558-001

AT

I

Medium­Thick
Materials
Exchange
parts
assembly

183572-001

A22

j

Presser Foot Assembly Upper Feed Dog

Free
presser
foot

~I

~-n

2'%.

4

'%.

Oblique
type
teeth

~

159421-101

Free
presser
foot

JJ3

~

~

154698-101

Free
presser
foot

JJ§

~

s

154445-101

13256-001

Needle Plate Feed Dog

¢1.6

-

r(.=@l

159295-001 159305-001

¢1.2

~-

~

•c=:::J

159289-001

¢2.2

8'%.

I

!Z!::::::~'

@I

12.4'%o

IR

Parallel
type
teeth

p 1

.15

Oblique
type
teeth

p 1

.15

Uses

Dress, Shirt, Knit­shirt etc.
Sewing pocket,
Sword polo­stitching, Topstitch­ing front

Lady's wear etc.
Stitching sleeve
caps of face and lin-

ing cloth, Seaming
back center, Joining
shoulder, Sewing
sides

The needle plate has
a bigger needle hole
for thick materials

Thick
Material

F

Medium­Thick
Materials
Exchange
parts
assembly

183563-001

F D I

Medium­Thick
Materials
Exchange
parts
assembly

183570-001

I

~

151292-201

~

153983-101

Whole A Type

Fixed
presser
foot

~

Fixed
presser
foot

7 %

~

r;-@

[==:J

0

c=::J

s

13781-001

Cross-shaped
type teeth type

~

s

13260-001

f

~~

159295-001 159305-001

¢1.6

~

159301-001

8"Xoo

I~::::::~'

Parallel

teeth Topstitching neck,

p 1

Collared shirt etc.
Stitching cuffs,

.15

Side· Pucker

Collared shirt etc.
Topstitching neck,
Stitching cuffs,
Side· Pucker Type
(Max stitch width
m/m)
"FD"
thickness presser
(183066-001) to

Type

is added the

"F"

12

.

-

3-