Brother FD4-B276 User manual

FD4−B276, B277 1/15
2000.7
FD4-B276 B277
Flat bed bottom covering sitcher
with thread trimmer
Flat bed top and bottom covering stitcher
with thread trimmer
Specifications
FD4 - B27 7 -033-3 /UT13 / /
A B C D
DDevice
Device
No. Applicable model Solenoid
thread
trimmer
Solenoid
wiper
Solenoid top
covering thread
trimmer
Solenoid
presser
foot lifter
Pneumatic
thread
trimmer
Pneumatic
presser foot
lifter
UT11 B276 B277 ¡- - - - -
UT12 B276 ¡ ¡ - - - -
UT13 B276 B277 ¡- - ¡- -
UT14 B276 ¡ ¡ -¡- -
UT32 B277 ¡-¡- - -
UT34 B277 ¡-¡ ¡ - -
UT21 B276 B277 - - - - ¡-
UT22 B276 -¡- - ¡-
UT23 B276 B277 - - - - ¡ ¡
UT24 B276 -¡- - ¡ ¡
UT42 B277 - - ¡-¡-
UT44 B277 - - ¡-¡ ¡
AModel
6Bottom covering stitcher
7Top and bottom covering stitcher
BSpecifications
011 Plain stitching
033 Covering
051 Hem stitching (The guide on the front cover)
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

FD4−B276, B277 2/15
2000.7
Specifications
2-Needle 3-Needle
Stitch pattern Stitch pattern
Sub-
class Application Gauge No. B276 B277 Gauge No. B276 B277
-011 Plain stitching
-1
-2
-3
-4
-5
-6
-7
-8
-033 Covering -3
-4
-5
-6
-7
-8
-051 Hem stitching
-1
-2
-3
-4
-5
-6
-7
-8

FD4−B276, B277 3/15
2000.7
Height of presser
foot (mm) Max. speed (rpm)
Needle size Stitch
length
(mm)
Differentia
l feed ratio
(mm) B276 B277 B276 B277
UYX128
#70
(#65 - #90) 3.6 0.7 - 1.8 7.0 5.0 6,500 6,000
UYX128
#70
(#65 - #90) 3.6 0.7 - 1.8 7.0 5.0 6,500 6,000
UYX128
#70
(#65 - #90) 3.6 0.7 - 1.8 7.0 5.0 6,500 6,000
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

FD4−B276, B277 4/15
2000.7
Optional device
Thread wiper set
Solenoid type Part name Part code Q’ty
Thread wiper set, A 183821-201 1
Air type Part name Part code Q’ty
Thread wiper set S28896-001 1
Presser foot lifter set
Solenoid type Part name Part code Q’ty
Solenoid presser foot lifter set (A) 183795-401 1
* With the knee switch
Solenoid type Part name Part code Q’ty
Solenoid presser foot lifter set (B) 183796-401 1
* Without the knee switch
Air type Part name Part code Q’ty
Pneumatic presser foot lifter set S28904-001 1
* Without the knee switch
Solenoid upper thread trimmer set
Part name Part code Q’ty
Upper thread trimmer set S28915-001 1
* With the face plate exclusively for this set.

FD4−B276, B277 5/15
2000.7
Thread trimmer set
Solenoid type
Part name Part code Q’ty
Solenoid thread trimmer set S28906-001 1
Air type
Part name Part code Q’ty
Pneumatic thread trimmer set S28908-001 1

FD4−B276, B277 6/15
2000.75
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 S28945-001 1
----- Instruction manual 192271-032 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−B276, B277 7/15
2000.5
Processing the work table
* This sewing machine is a fully-submerged type. Refer to the diagram below to prepare the work table and
the machine head support. Furthermore, if processing a folding-type work table, you will need parts which
are sold separately. (Refer to page 10.)
* The top of the table should be 40 mm in thickness and should be strong enough to hold the weight and
withstand the vibration of the sewing machine.
Machine head support (when not using a solenoid presser foot lifter)
*1 Machine head support connection positions
*2 Motor mounting holes
*3 Depth 10
*4 Machine head support plate mounting holes
*5 Depth 8
*6 Chain guide mounting hole

FD4−B276, B277 8/15
2000.5
Machine head support (When using a solenoid presser foot lifter)
*1 Machine head support connection positions
*2 Motor mounting holes
*3 Depth 10
*4 Machine head support plate mounting holes
*5 Depth 8
*6 Chain guide mounting hole
*7 Solenoid-type presser foot lifter mounting holes

FD4−B276, B277 9/15
2000.5
Work table
*1 Machine head support connection positions (5 places)
When not using a solenoid-type presser foot lifter, it is not necessary to make the countersink (a) and the holes.
*2 Cotton stand hole
Folding-type work table
* When processing a folding-type work table, please use the following parts which are available by separate
purchase.
Part name Part code Q’ty
Stopper 101117-001 1
Wood screw, round M4.5 ×16 032461-606 1
Holder 119561-001 1
Wood screw, round M3.5 ×13 032361-306 2
Hinge S42189-000 2
Wood screw, flat M2.7 ×16 034281-605 8
Guide plate 106292-001 3
Wood screw, flat M3.5 ×16 034361-606 6

FD4−B276, B277 10/15
2000.5
Setting up the full-submerged table
* Use the nuts to adjut the height of the machine head.
Part name Part code Q’ty
Full submerged set S11560-001 1
* The above parts can be supplied individually.