Brother FD3-B256 User manual

FD4−B256, B257 1/19
2000.7
FD3-B256 B257
Cylinder Bed Bottom Covering Stitcher
with Thread trimmer
Cylinder Bed Top and Bottom Covering
Stitcher with Thread Trimmer
Specifications
FD3 - B25 6 -033-3 / / /
A B C D
DDevice
Device No. Applicable
model Solenoidthread
trimmer Solenoid wiper Solenoidtopcovering threadtrimmer Solenoidpresser footlifter Pneumatic presserfootlifter Pneumatic presserfootlifter
UT11 B256,B257 ¡− − − − −
UT12 B256 ¡ ¡ − − − −
UT13 B256,B257 ¡− − ¡− −
UT14 B256 ¡ ¡ −¡− −
UT32 B257 ¡−¡−−−
UT34 B257 ¡−¡ ¡ − −
UT21 B256,B257 − − − − ¡−
UT22 B256 −¡− − ¡−
UT23 B256,B257 − − − − ¡ ¡
UT24 B256 −¡− − ¡ ¡
UT42 B257 − − ¡−¡−
UT44 B257 − − ¡−¡ ¡
CS1
B256,B257
Condensestitchdevice
A
Model
6
Bottom coveringstitcher
7
Topandbottomcoveringstitcher
BSpecifications
011 Plainstitching
012*
Plainstitching(Highstroke)
033 Covering
051 Hemstitching(Theguideonthefrontcover)
053 Hemstitching(The guideonthe needleplate)
056 Circularhemming(With puller)/Binderopener, Tensionroller
061 Elastichemming(Withpuller)
0V1 Spunknitelasticloop attaching(Withpuller)/Binder opener,Tensionroller
0W1
Wideelastic loop attaching (With puller) / Tensionroller, Right knife
0X1 Hemstitching /With leftknife
0X3*
Hemstitching/Withbinderopenerandleftknife
0X6 Circularhemming(Withpuller) /Binderopener,Tension roller,Leftknife
*012 and 0X3 specifications are available in limited area only.
C
No.ofneedles/Needlegauge
1
2 needles 3.2 mm
2
2 needles 4.0 mm
3
2 needles 4.8 mm
4
2 needles 5.6 mm
5
2 needles 6.4 mm
6
3 needles 4.8 mm
7
3 needles 5.6 mm
8
3 needles 6.4 mm

FD4−B256, B257 2/19
2000.7
Specifications
2-Needle 3-Needle
Stitchpattern Stitchpattern
Sub-
class Application
Gauge No. B256 B257 Gauge No. B256 B257
-011 Plainstitching
-1
-2
-3
-4
-5
-6
-7
-8
-012*2 Plainstitching(Highstroke) − − − − −
-033 Covering -3
-4
-5
-6
-7
-8
-051
-053 Hem stitching
-051: Guide front cover attaching type
-053: Guide needle plate attaching type
-2
-3 -7 -8
-056 Circular hemming w/puller
Binder opener, Tension roller -2 -3 -7 -8
-061 Elastic hemming w/puller -1
-2
-3 − − −
-0V1*1 Spun knit elastic loop attaching w/puller
Binder opener, Tension roller − − − -7 -8 −
-0W1 Wide elastic loop attaching w/puller
Tension roller, Right knife − − − -7 -8
-0X1 Hem stitching w/left knife -2
-3 -7 -8
-0X3*2 Hem stitching w/left knife − − − -8 −
-0X6 Circular hemming w/puller
Binder opener, Tension roller
Left knife
-2
-3 -7 -8
*1 The sub-class –0V1 is only for B257.
*1–012and –0X3 specifications are available in limited area only.

FD4−B256, B257 3/19
2000.7
Heightof
presserfoot
(mm)
Needlesize Stitch length
(mm) Needle bar stroke (mm) Differentialfeed
ratio(mm)
B256 B257
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 33.4 0.6-1.4 −6.0 5,000
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 33.4 0.6-1.4 7.0 6.0 4,500
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 33.4 0.6-1.4 −6.0 4,500
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 −5.0 5,000
UYX128
#70
(#65-#90) 1.0-4.2 33.4 0.6-1.4 7.0 6.0 4,500
Gauge No.
GaugeNo. No.ofneedles No.of threads Gauge(mm)
-1 23or4 3.2
-2 23or4 4.0
-3 23or4 4.8
-4 23or4 5.6
-5 23or4 6.4
-6 34or5 4.8
-7 34or5 5.6
-8 34or5 6.4

FD4−B256, B257 4/19
2000.7
Optional device
Thread wiper set
Solenoid type Partname Partcode Q’ty
Threadwiper set, A 183821-201 1
Air type Partname Partcode Q’ty
Threadwiperset S28896-001 1
Presser foot lifter set
Solenoid type Partname Partcode Q’ty
Solenoidpresserfootlifter set (A) 183795-401 1
* With the knee switch
Solenoid type Partname Partcode Q’ty
Solenoidpresserfootlifter set (B) 183796-401 1
* Without the knee switch
Air type Partname Partcode Q’ty
Pneumaticpresserfootlifterset S28904-001 1
* Without the knee switch
Solenoid upper thread trimmer set
Partname Partcode Q’ty
Upperthread trimmer set S28915-001 1
*With the face plate exclusively for this set.

FD4−B256, B257 5/19
2000.7
Thread trimmer set
Solenoid type
Partname Partcode Q’ty
Solenoidthreadtrimmerset S28906-001 1
Air type
Partname Partcode Q’ty
Pneumaticthread trimmer set S28908-001 1

FD4−B256, B257 6/19
2000.7
Air tube joint
Ref.No.
Partname Part code
Q’ty
2-1 Elbowunion S04896-000 1
2-2 T–union S28469-000 1
2-3 Triplejoint(3) S28470-000 1
2-4 Triplejoint(4) S28471-000 1
2-5 Triplejoint(5) S28472-000 1
* Use this when using more than one air-driven device together.
Knee lifter device
Ref.No. Partname Part code Q’ty
63 Kneelifter deviceassy 155196-409 1
64 Screw4.1 ×25 032422-505 4
65 Chainassy 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.

FD4−B256, B257 7/19
2000.7
Special parts to use when using spun thread or cotton thread
Ref.No.
Partname Part code
Q’ty
1Guidebase S28941-001 1
2Washer 105161-004 1
3Screw,pan SM3.57-40 ×6 062670-612 1
4Threadguide(M)holder S28942-001 1
5Screw,pan SM3.18-40 ×5 062660-512 2
6Threadguide(M) S28943-001 3
7Setscrew,socket(CP)SM3.18
146427-001
3
8Needleguard,BH S28483-101 1
----- Instructionmanual
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.

FD4−B256, B257 8/19
2000.7
Rubber binder assy (For –0V1)
* The 35-mm threehold rubber binder is provided as a standard.
Threehold seam
30mm 35mm
Standard 40mm
S28601-001 S28609-001 S28614-001
Fellting
30mm 35mm 40mm
S28619-001 S28622-001 S28625-001

FD4−B256, B257 9/19
2000.7
Conversion parts for installing the table
* For table dimensions and installation, refer to theinstruction manual supplied with the machine.
Raised type →Semi-submerged type
Ref.No.
Partname Part code
Q’ty
27 Headplateassy S28830-001 2
28 Bolt, M8×55
211964-001
4
29 Nut,1 M8 021080-106 4
30 Washer,spring2-8 028080-242 4
31 Washer,plain M8 025080-236 4
Semi-submerged type →Raised type
Ref.No. Partname Part code Q’ty
37 Rubbercushionpin S28441-001 4
38 Retainingring,U5 S28442-001 4
39 Washer,plain M6 025060-236 4
40 Washer,spring2-6 028060-242 4
41 Nut,1M6 021060-106 4
53 Subbeltcover S28444-001 1
54 Screw, oval M5.5 ×20 100666-002 3
55 Washer,plainS5.56 025750-132 3

FD4−B256, B257 10/19
2000.7
Gauge parts list
Model B256
B257 B256 B257 B256 B257 B256 B257 B256 B257 B256 B257
Specifications 011-1 011-2 011-3 011-4 011-5 011-6
Label S08678-001 S08678-002 S08678-003 S08678-004 S08678-005 S08678-006
B256 B257
Application
Plainstitching
No.ofneedles 222223
Needlegauge(mm)
3.2 4.0 4.8 5.6 6.4 4.8
S28770-001 S28772-001 S28774-001 S28776-001 S28778-001 S28780-001
Needleclampassy
S21832-001 S21834-001 S21836-001 S21838-001 S21840-001 S21842-001
Presserfootassy
(B256)
S08779-201 S08786-201 S08788-201 S08790-201 S08792-201 S08794-201
Presserfootassy
(B257)
S08717-001 S08718-001 S08719-001 S08720-001 S08721-001 S08722-001
Needleplate
S28237-001
Mainfeed dog
S28242-001
Differentialfeeddog

FD4−B256, B257 11/19
2000.7
Gauge parts list
Model B256
B257 B256 B257 B257
Specifications 011-7 011-8 012
Label S08678-007 S08678-008 S08678-097
Plainstitching
Application B256 B257
No.ofneedles 3 3 3
Needlegauge(mm) 5.6 6.4 6.4
S28782-001 S28784-101 S28784-101
Needleclampassy
S21844-001 S21846-001 -
Presserfootassy
(B256) -
S08796-201 S08798-201 S08798-201
Presserfootassy
(B257)
S08723-001 S08724-001 S08724-001
Needleplate
S28237-001
Mainfeed dog
S28242-001
Differentialfeeddog

FD4−B256, B257 12/19
2000.7
Gauge parts list
Model B256
B257 B256 B257 B256 B257 B256 B257
Specifications 033-3 033-4 033-5 033-6
Label S08678-064 S08678-065 S08678-066 S08678-067
Covering
Application B256 B257
No.ofneedles 2 2 2 3
Needlegauge(mm) 4.8 5.6 6.4 4.8
S28774-001 S28776-001 S28778-001 S28780-001
Needleclampassy
S21848-001 S21850-001 S21852-001 S21854-001
Presserfootassy
(B256)
S08828-201 S08830-201 S08832-201 S08834-201
Presserfootassy
(B257)
S21823-001 S21824-001 S21825-001 S21826-001
Needleplate
S28239-001
Mainfeed dog
S28244-001
Differentialfeeddog

FD4−B256, B257 13/19
2000.7
Gauge parts list
Model B256
B257 B256 B257 B256 B257 B256 B257 B256 B257 B256 B257
Specifications 033-7 033-8 051-2 051-3 051-7 051-8
Label S08678-068 S08678-069 S08678-057 S08678-058 S08678-062 S08678-063
Covering Hemstitching
Application B256 B257 B256 B257 B256 B257
No.ofneedles 332233
Needlegauge(mm) 5.6 6.4 4.0 4.8 5.6 6.4
S28782-001 S28784-101 S28772-001 S28774-001 S28782-001 S28784-101
Needleclampassy
S21856-001 S21858-001 S28140-101 S28142-101 S28144-101 S28146-101
Presserfootassy
(B256)
S08836-201 S08838-201 S28121-101 S28123-101 S28125-101 S28127-101
Presserfootassy
(B257)
S21827-001 S21828-001 S28079-001 S28080-101 S28081-001 S28082-001
Needleplate
S28239-001 S28240-001
Mainfeed dog
S28244-001 S28245-001
Differentialfeeddog

FD4−B256, B257 14/19
2000.7
Gauge parts list
* With covering specification, the differential feed dog whose center portion height can be adjusted and the needle plate which
is used with the feed dog are available as optional parts.
S28931-001 S28932-001
Needleplate
Differentialfeeddog
Ref.
No.
Partname Partcode Q’ty
1DifferentialfeeddogL S28929-001 1
2DifferentialfeeddogS S28930-001 1
3Screw,panSM3.18-40×6 062660-612 1
* When you want to use the differential feed dog listed above or if you are using the old needle guard (F) (S28091-001),
replace with the new needleguard (F) (S28091-101) (Changed in 1995).

FD4−B256, B257 15/19
2000.7
Gauge parts list
Model B256
B257 B256 B257 B256 B257 B256 B257 B256 B257 B256 B257
Specifications 053-2 053-3 053-7 053-8 056-2 056-3
Label S08678-090 S08678-091 S08678-095 S08678-096 S08678-070 S08678-071
Hemstitching Circularhemming
(Withpullerandbinderopener)
Application B256 B257 B256 B257 B256 B257
No.ofneedles 223322
Needlegauge(mm) 4.0 4.8 5.6 6.4 4.0 4.8
S28772-001 S28774-001 S28782-001 S28784-001 S28772-001 S28774-001
Needleclampassy
S28140-101 S28142-101 S28144-101 S28146-101 S28579-101 S28581-101
Presserfootassy
(B256)
S28121-101 S28123-101 S28125-101 S28127-101 S28548-101 S28550-101
Presserfootassy
(B257)
S28079-001 S28080-001 S28081-001 S28082-001 S28542-001 S28543-001
Needleplate
S28240-001
Mainfeed dog
S28245-001
Differentialfeeddog

FD4−B256, B257 16/19
2000.7
Gauge parts list
Model B256
B257 B256 B257 B256 B257 B256 B257 B256 B257
Specifications 056-7 056-8 061-1 061-2 061-3
Label S08678-072 S08678-073 S08678-074 S08678-075 S08678-076
Circularhemming
(Withpullerandbinderopener) Elastichemming(Withpuller)
Application B256 B257 B256 B257
No.ofneedles 33222
Needlegauge(mm) 5.6 6.4 3.2 4.0 4.8
S28782-001 S28784-101 S28770-001 S28772-001 S28774-001
Needleclampassy
S28583-101 S28585-101 S28138-101 S28140-101 S28142-101
Presserfootassy
(B256)
S28552-101 S28554-101 S28118-101 S28121-101 S28123-101
Presserfootassy
(B257)
S28544-001 S28545-001 S28078-001 S28079-001 S28080-001
Needleplate
S28240-001
Mainfeed dog
S28245-001
Differentialfeeddog

FD4−B256, B257 17/19
2000.7
Gauge parts list
Model B257 B257 B256
B257 B256 B257
Specifications 0V1-7 0V1-8 0W1-7 0W1-8
Label S08678-077 S08678-078 S08678-079 S08678-080
Spunknitelasticloopattaching
(Withpullerandbinderopener) Wideelasticloopattaching (Withpullerandbinderopener)
Application B257 B256 B257
No.ofneedles 3 3 3 3
Needlegauge(mm)
5.6 6.4 5.6 6.4
S28782-001 S28784-101 S28782-001 S28784-001
Needleclampassy
S28587-001 S28589-001
Presserfootassy
(B256)
S28556-001 S28561-001 S28563-001 S28565-001
Presserfootassy
(B257)
S28546-001 S28547-001 S08745-001 S08746-001
Needleplate
S28595-001 S28238-001
Mainfeed dog
S28243-001 S28246-001
Differentialfeeddog

FD4−B256, B257 18/19
2000.7
Gauge parts list
Model B256
B257 B256 B257 B256 B257 B256 B257 B257
Specifications 0X1-2 0X1-3 0X1-7 0X1-8 0X3
Label S08678-081 S08678-082 S08678-083 S08678-084 S08678-098
Hemstitching(Withleftknife) Hem stitching (With
binder opener and
leftknife)
Application B256 B257 B256 B257 B257
No.ofneedles 22333
Needlegauge(mm)
4.0 4.8 5.6 6.4 6.4
Needleclampassy
S28772-001 S28774-001 S28782-001 S28784-101 S28784-101
S28148-101 S28150-101 S28152-101 S28154-101
Presserfootassy
(B256)
S28129-101 S28132-101 S28134-101 S28136-101 S28136-101
Presserfootassy
(B257)
S28083-001 S28084-001 S28085-001 S28086-001 S28086-001
Needleplate
S28241-001
Mainfeed dog
S28247-001
Differentialfeeddog

FD4−B256, B257 19/19
2000.7
Gauge parts list
Model B256
B257 B256 B257 B256 B257 B256 B257
Specifications 0X6-2 0X6-3 0X6-7 0X6-8
Label S08678-085 S08678-086 S08678-087 S08678-088
Hemstitching(Withleftknife)
Application B256 B257 B256 B257
No.ofneedles 2 2 3 3
Needlegauge(mm) 4.0 4.8 5.6 6.4
S28772-001 S28774-001 S28782-001 S28784-101
Needleclampassy
S28751-101 S28753-101 S28755-101 S28757-101
Presserfootassy
(B256)
S28571-101 S28573-101 S28575-101 S28577-101
Presserfootassy
(B257)
S28083-001 S28084-001 S28085-001 S28086-001
Needleplate
S28241-001
Mainfeed dog
S28247-001
Differentialfeeddog