Brother FD3-B251 User manual

FD3−B251, B252 1/23

2000.7

FD3-B251

B252

Cylinder Bed Bottom Covering Stitcher

Cylinder Bed Top And Bottom Covering

Stitcher

Specifications

FD3 - B25 2 -021-3 / / /

A B C D

DDevice

No accessories

TC1 Air-type tape cutter

TC3 Solenoid-type tape cutter

ATC1 Automatic tape cutter (Stitch number

type)

TFV Automatic tape feeder (Vertical)

TFH Automatic tape feeder (Horizontal)

PM1 Pulse motor drive top metering device

* Built in–075 specification, PM1 can not be

attached to the machine after purchase.

BSpecifications

011 Plain stitching

021 Tape attaching

033 Covering (4 rowdifferential feed dog)

035 Covering (3 row adjustable differential

feed dog)

051 Hem stitching (The guide on the front

cover)

053 Hem stitching (The guide on the needle

plate)

061 Elastic hemming (Withpuller)

071 Elastic lace attaching (With top metering

and right knife)

075 Elastic lace attaching (With pulse motor

drive top metering and right knife)

0X1 Hem stitching (With left knife)

AModel

1Bottom coveringstitcher

2Top and bottom covering

stitcher

CNo. of needles / Needle

gauge

12 needles

3.2 mm

22 needles

4.0 mm

32 needles

4.8 mm

42 needles

5.6 mm

52 needles

6.4 mm

63 needles

4.8 mm

73 needles

5.6 mm

83 needles

6.4 mm

FD3−B251, B252 2/23

2000.7

Specifications

2-Needle 3-Needle

Stitch pattern Stitch pattern

Sub-

class Application

Gauge

No. B251 B252 Gauge

No. B251 B252

-011 Plain stitching

-1

-2

-3

-4

-5

-6

-7

-8

-021 Tape attaching

-1

-2

-3

-4

-5

-6

-7

-8

-033 Covering

(4 row differential feed dog)

-3

-4

-5

-6

-7

-8

-035* Covering

(3 row adjustable differential feed

dog) - - - -7

-8 -

-051

-053

Hem stitching

-051: Guide front cover attaching

type

-053: Guide needle plate

attaching type

-2

-3 -7

-8

-061 Elastic hemming w / puller -1

-2

-3 - - -

-071 Elastic lace attaching w / top

metering right knife

-1

-2

-3

-4

-5

-7

-8

-075 Elastic lace attaching w/top

metering with pulse motor right

knife

-1

-2

-3

-4

-5

-7

-8

-0X1 Hem stitching w/left knife -2

-3 -7

-8

* With –035 specification, the center dog of the differential feed dog can be adjusted up and down.

* The raised type table is a standard for –035 specification.

FD3−B251, B252 3/23

2000.7

Height of

presser foot

(mm)

Needle size Stitch length

(mm) Needle bar

stroke (mm) Differential

feed ratio

(mm) B25

1B25

Max. speed

(rpm)

UYX128

#70

(#65 - #90) 1.0 - 4.2 31.0 0.6 - 1.4 7.0 5.0 6,000

UYX128

#70

(#65 - #90) 1.0 - 4.2 31.0 0.6 - 1.4 7.0 5.0 6,000

UYX128

#70

(#65 - #90) 1.0 - 4.2 31.0 0.6 - 1.4 7.0 5.0 6,000

UYX128

#70

(#65 - #90) 1.0 - 4.2 31.0 0.6 - 1.4 -5.0 6,000

UYX128

#70

(#65 - #90) 1.0 - 4.2 31.0 0.6 - 1.4 7.0 5.0 6,000

UYX128

#70

(#65 - #90) 1.0 - 4.2 33.4 0.6 - 1.4 7.0 6.0 4,500

UYX128

#70

(#65 - #90) 1.0 - 4.2 31.0 0.6 - 1.4 7.0 5.0 5,000

UYX128

#70

(#65 - #90) 1.0 - 4.2 31.0 0.6 - 1.4 7.0 5.0 5,000

UYX128

#70

(#65 - #90) 1.0 - 4.2 31.0 0.6 - 1.4 7.0 5.0 5,000

Gauge No.

Gauge No. No. of needles No. of threads Gauge (mm)

-1 23 or 4 3.2

-2 23 or 4 4.0

-3 23 or 4 4.8

-4 23 or 4 5.6

-5 23 or 4 6.4

-6 34 or 5 4.8

-7 34 or 5 5.6

-8 34 or 5 6.4

FD3−B251, B252 4/23

2000.7

Optional device

TC1 Air-type tape cutter Tape cutter device set airParts

Voltage Tape attaching <021> Elastic lace attaching <071, 075>

For Japan S28466-001 S28467-001

For export S28466-002 S28467-002

TC3 Solenoid-type tape cutter Tape cutter device set solenoidParts

Voltage Tape attaching <021> Elastic lace attaching <071, 075>

For Japan S28462-001 S28463-001

For Japan S28462-003 S28463-003

For export 110 V S28462-002 S28463-002

For export 220 V S28462-004 S28463-004

For export 230 V S28462-006 S28463-006

For export 240 V S28462-007 S28463-007

For export 380 V S28462-008 S28463-008

For export 415 V S28462-009 S28463-009

ATC1 Automatic tape cutter ATC device set solenoidParts

Voltage Tape attaching <021> Elastic lace attaching <071, 075>

For Japan S28464-001 S28465-001

For Japan S28464-003 S28465-003

For export 110 V S28464-002 S28465-002

For export 220 V S28464-004 S28465-004

For export 230 V S28464-006 S28465-006

For export 240 V S28464-007 S28465-007

For export 380 V S28464-008 S28465-008

For export 415 V S28464-009 S28465-009

* When ATC1, TC1, or TC3 is used, a special needle plate is necessary. Refer to page 23 “Needle plates for ATC1,

TC1, and TC3”.

FD3−B251, B252 5/23

2000.7

TFH Automatic tape feeder <Horizontal>

Parts

Voltage <021>

Horizontal tape feed set

For Japan S11259-200

For Japan S11259-201

For export 110 V S11259-202

For export 220 V S11259-203

For export 230 V S11259-204

For export 240 V S11259-205

For export 380 V S11259-206

For export 415 V S11259-207

TFV Automatic tape feeder <Vertical>

Parts

Voltage <071, 075>

Vertical tape feed set

For Japan S11258-200

For Japan S11258-201

For export 110 V S11258-202

For export 220 V S11258-203

For export 230 V S11258-204

For export 240 V S11258-205

For export 380 V S11258-206

For export 415 V S11258-207

Push button switch set

Part name Part code Q’ty

Push button switch set S18962-001 1

* When PM1 device is used, this set can be attached and used instead of the knee switch.

FD3−B251, B252 6/23

2000.7

Joint box assy

Part name Part code Q’ty

Jointbox assy S18854-001 1

* Use this for wiring when using many devices together.

Box set plate (B) assy

Part name Part code Q’ty

Box set plate (B) assy S18852-001 1

* Use this when hanging the boxes of ATC1 and PM1 under the table.

FD3−B251, B252 7/23

2000.7

Air tube joint

Ref.

No. Part name Part code Q’ty

2-1 Elbow union S04896-000 1

2-2 T –union S28469-000 1

2-3 Triple joint (3) S28470-000 1

2-4 Triple joint (4) S28471-000 1

2-5 Triple joint (5) S28472-000 1

* Use this when using more than one air-driven device together.

Knee lifter device

Ref.

No. Part name Part code Q’ty

63 Knee lifter deviceassy 155196-409 1

64 Screw 4.1×25 032422-505 4

65 Chain assy S28357-001 1

* When used on the machine with the right knife specification (-071, -075), this enables you to stop and restart the

operation of the cloth knife at any place during sewing.

FD3−B251, B252 8/23

2000.7

Special parts to use when using spun thread or cotton thread

Ref.

No. Part name Part code Q’ty

1Guide base S28941-001 1

2Washer 105161-004 1

3Screw, pan SM3.57-40×6 062670-612 1

4Thread guide (M) holder S28942-001 1

5Screw, pan SM3.18-40×5 062660-512 2

6Thread guide (M) S28943-001 3

7Set screw, socket (CP) SM3.18 146427-001 3

8Needle guard, BH S28483-101 1

----- Instruction manual S91251-262 1

* If there is a big difference among right, center, and left needle thread loop size, this thread guide (separate type)

is effective in preventing stitch skipping.

* This needle guard, BH is effective in preventing stitch skipping caused by unwanted left needle backward

movement.

* For attaching the parts listed above, refer to the instruction manual also listed above.

FD3−B251, B252 9/23

2000.7

Synchronizer

Ref.

No. Part name Part code Q’ty

1Synchronizer #17-2 J80347-001 1

3Synchronizer guide S28963-001 1

4Set screw, socket (CP) SM4.37 014680-622 1

* When using the synchronizer, use the motor and V belt listed below.

Motor

Single-phase MD-601R

3-phase MD-611R

V-belt

Semi-submerged type table M 36

Raised type table M 40

FD3−B251, B252 10/23

2000.7

Conversion parts for installing the table

* For table dimensions and installation, refer to the instruction manual supplied with the machine.

Raised type →Semi-submerged type

Ref.

No. Part name Part code Q’ty

27 Head plateassy S28830-001 2

28 Bolt, M8×55 211964-001 4

29 Nut, 1 M8 021080-106 4

30 Washer, spring 2-8 028080-242 4

31 Washer, plain M8 025080-236 4

Semi-submerged type →Raised type

Ref.

No. Part name Part code Q’ty

37 Rubber cushion pin S28441-001 4

38 Retaining ring, U5 S28442-001 4

39 Washer, plain M6 025060-236 4

40 Washer, spring 2-6 028060-242 4

41 Nut, 1M6 021060-106 4

53 Sub belt cover S28444-001 1

54 Screw, oval M5.5×20 100666-002 3

55 Washer, plain S 5.56 025750-132 3

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