Brother International DB2-B737 Support Question
Brother International DB2-B737 Support Question
Find answers below for this question about Brother International DB2-B737.Need a Brother International DB2-B737 manual? We have 2 online manuals for this item!
Question posted by deniseluk on November 8th, 2014
Brother Exedra Db2-b737 413 Mark 11. Jammed Foot
I broke a needle while sewing and foot is jammed down and machine is making whistling sound. I have removed needle but cannot move foot up and down - Is there a re-set button or similar? Thank you for your help
Current Answers
Related Brother International DB2-B737 Manual Pages
Parts Manual - Multi - Page 6
...F 7.f4 /.u..g,
Needle Bar Thread Guide Needle Plate
#54h7/4.31
Screw 4.37
A.: 94999
Shuttle Race Slide Assembly
A •ht 11 4 9
Shuttle Race Slide
A": ,14 4 r,5 , (*
Shuttle Race Slide Spring
7, /f4.7, 2.38
Screw 2.38
7°- ,/
Pulley
F//4-7/5.959* 7:
Screw 5.95
7, /, . 7/8.73
Screw 8.73
1R
611,11 - r/P, t7 v -,_,,. Thread Take-up Crank Assembly
5- Set Collar
FYfr96.35...
Parts Manual - Multi - Page 8
... Regulator Feed Regulator Stud
ff)i*
Washer
F X 7E7
Stop Ring El
F.g*i.4 5.95
Screw 5.95
1., 7, )27, 9 12.5
Connecting Rod Stud 12.5
F .g 4. Level Regulator Assembly
4.9/7ri
Level Regulator
4'9 11 111999
Feed Link Stud
7th .X.lif.i4.37 *Z
Screw 4.37
A 4 ^iiif 4- 9 9 1.,
i
Level Feed Link Assembly
7.4"-4*99'7T 111994 Level Feed Arm Link Assembly
91999
Link...
Parts Manual - Multi - Page 9
...FY*94.37
Screw 4.37
65
*59 , 4
Feed Dog
66
i,' ./, *93.18
Screw 3.18
67
':.; 3 5V'*l9 11 9,
Feed Lifting Rock Shaft
68
./I5')1/19.3
Bushing 19.3
69
*Y9 ') i.) , 0 A F 9 Thrust Ring
70
F.,...Bushing 19.3
t 9 51,1 A 5 A F V 1,.
V .i:% -h v F0 5- Set Collar
F Y.4•5.16.35
Screw 6.35
x4 r, rf ,F V 3'4 ,,5O
Feed Bar Crank
t --t 7437-40X12
Screw 431-40X12
t- ,./5'4 .Z. D...
Parts Manual - Multi - Page 10
...-001 aE-1, 2, 3,-4, 5,-6, 7/G 38-1, 38 1 1, 39, 40, 41
181430-601
aE-1,-2,-3,-4,-5,-1,-10/G 38 1, 38 1 1, 39, 40, 41 S-1, 2, 3, 4, 5, 6, 7, 8, 9, 10
183379-101 a E-1,=7/G-38-1,-38-1-1,-39,-40,-41/S-16,-11,-18
eu Name of Parts
Knee Lifter Shaft
Knee Lifter
Bolt 5.95
Screw 5.95
Nut 5.95
Knee Lifter Spring
Stop Ring E10
Knee Lifter Assembly...
Parts Manual - Multi - Page 11
Set Collar
h .X*96.35
Screw 6.35
r'lf'77 7 F il
Bobbin Case Holder Position Bracket..., *frfU ii riS r7i7 ', Z,si niiit'it ! -.X a f, ii.iffsi *
Bobbin Case Tension Spring
₹ a f) 9' *₹ a ." -t '7.4 *fi Tension Regulating Screw
' 3',i ...., 44. Ref.No. 10 11 12 13 13-1 13-2 14 15 16 17 17H 17-2 17-3 17-4 17-5 18 19
al
$
Name of Parts Bevel Gear Upper Assembly Upper Shaft...
Parts Manual - Multi - Page 12
...29-5 30
38-1-1
A *#EIV
Ref.No. 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 19 20 21 21-1 21-2 24 25 26 27 29 ' 29...4)I JI, a h- -f 5'
Oil Stopper Plate
j -ii, .7357-40X5
Screw 351-40X5
1- 4)1.-. 1- -t7.,
Oil Gap
9 ii 1444X4
Wick 4X4
*411.51-11. Oil Cap Screw
7x/LiF
,411•₹ a ,,-t ..Y.*.i"." Oil Seal
1- 4 )1,- G. T 7
Oil Gap
6779495
Pump Body Assembly
Tli>, '5, 4
Pump Body...
Parts Manual - Multi - Page 13
... - 001
ORR# -4 Ref.No. 16 17 18 18-1 18-2 18-3 18-4 18-5 18-6 18-7 18-8 18-9 18-10 18-11 18-12 18-13 22 23
j - -.4.7357-40X6
A
$
Name of Parts
7 ° 1---5- 7--- 5, a 7--- 4 Z. m4 51... Adjusting Nut
4 F₹ a 1,61, ..41 9437
Tension Adjusting Plate
O9 i9 4 halk.i.i1)I ,
0 Ring Bushing
7th )c.41-11-4 4.37 44 41
Screw 4.31
OR Q'ty
1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1
Ma...
Parts Manual - Multi - Page 26
... of Parts
Accessory Set Accessory Case Felt Magnetic Tape Screw 45 X16 Washer 5
RR Q'ty
1 1
1 1 2 2
96,T4 - WW2
Thin materials
3 .
W.*
DIFFERENT PARTS LIST/ZUBEHoRLISTE LISTE DES PIECES ACCESSOIRES/LISTA DE PIEZAS ACCESORIAS
BROTHER INDUSTRIES, LTD.
• DB2-B737- 0 N •
MADE IN JAPAN
1 . Thread Trimmer + Thread Wiper + Quick Back Switch + Automatic Presser Foot Lifter [Solenoid...
Network Users Manual - English - Page 2
... Servomotor
7
I i Needle position detector (synchronizer)
7
r31 C•ontrol box
9
T• readle
10
O Brush replacement
10
lel Motor brake spacing
11
pi Checking the lamp terminal code
11
Standing work machine
12
pi Application to production control system
13
((OPERATION INSTRUCTION
14
Installation of operation box
14
M Motor and control box (Models DB2-B737 • B747...
Network Users Manual - English - Page 3
...))
22
M Model DB2-B737 • B747 • B748 • B791 • B793 • B795 • B798 (Type 300B)
22
Model DB2-B738 (Type #4708)
23
TROUBLESHOOTING
24
CHECKINGTHE MOTOR©
25
111 Motor
25
ri Brake
25
CHECKINGTHE MACHINESOLENOID)S)
26
111 Solenoid load of the machine
26
121 Hem sensor
26
3 B737 Machine control system block...
Network Users Manual - English - Page 4
When the sewing machine is stopped, the DC motor is obtained. 5. Quiet Operation While the clutch motor produces windy or idling sounds and vibrations, the DC ...
*The Brother DC motor is best suited for the following sewing machines.
[DB2-B7371 4 ,7
[DB2-6738]
4
[DB2-67911 *The DC motor is also applied to the automatic thread trimming machines, models DB2-6748, 8795, and 8798.
[DB2-B793] ...
Network Users Manual - English - Page 5
... RIO@EIMORI
El m './
X
V V
se ES D C ID N ea I
Operation Box E-4
Machine Head to be Applied [DB2-B738]
brother
E-2 Ai 8
0
IA B I
0
0
Isom]
ED ED
Operation Box E-2
brother
E-4
-4
• il El
0
All
\ ,I c T , A 8 C O I
I
A! NAME OF EACH COMPONENT
The operation box is best suited to be Applied [DB2-B737 • B747 • B748 • B791 • B793 • B795...
Network Users Manual - English - Page 9
... cover for adjustment. And when in the reverse direction, the needle bar comes down.
The needle point stops 9-11 mm away from the bottom to loosen the belt tension sometimes. ADJUSTMENT D
1 DC Servomotor
Rotating direction
10 mm
0
0
o •
• C)
0
ooS
*Set down the machine head and then hang the belt on the power switch and...
Network Users Manual - English - Page 10
... stop
18 -- 22 mm
*The synchronizer detects the needle position with two sensors.
Turn the other way to needle screw bottom gap should be 18 - 22 mm. 3.
Synchronizer Model DB2-B737 • B748
Higher
Lower
Lower
Higher
0
Needle up stop position. * When the machine pulley is removed once, provide 0.5 mm clearance between the pulley bottom and the...
Network Users Manual - English - Page 11
...machine speed is adjusted to increase. 3. When the TVR (torque setting) is turned clockwise, the torque is adjusted to increase. 6.
Do not fail to touch the volume knobs by the
maximum sewing speed volume knob, so the VR3 requires no adjustment. 5. 131 Control box
Control Box (Model DB2-B737... for control box are factory set , so that the red paint marks match with the 8A fuse for...
Network Users Manual - English - Page 15
...Max. Model B738
Collector
1
*With special connectors (cycle output), connect the machine to the external equipments.
*Output signals are sent from the open collector of... the external equipment.
m
000 320
11:111-1 (0/ •=o7 111111- -cp
CI
Control circuit board
1
Emitter
2 Terminal not used
2. operating voltage: DC20 V or less
gr=O.. Models DB2-B737 • B747 • B791 &#...
Network Users Manual - English - Page 16
... (after thread trimming and stop at the needle up position and the machine is set to the motor with the screw 0.
2 Motor control and control box use (Models DB2-B737 • B747 • B748 • B791 • B795 • B798)
Power switch
O0
a 11
brother
0©000
*Push the "ON" button of the power switch mounting plate Q with...
Network Users Manual - English - Page 17
... counter 0.
The
machine runs in a cycle of stitches decreases. 3 Operation box (Models DB2-B737 • B747 • B791 • B793 • B795 • B798)
*The switch settings and the number of the box E-4 is same as follows. Set the start backtack stitch number A (0 to
the needle up stop position, while the needle at the needle up stop position...
Network Users Manual - English - Page 24
... PANEL
1 Model DB2-B737 • B747 • B748 • B791 • B793 • B795 • B798 (Type 3O0B)
For standing work
O th`
0 CD CD
Machine head
Presser foot lifter
000
I00©...;
00® to tt ©
0© 00/
Brake
No. 2P connector (white)
1
Presser
2
0 V
3
4
5
6
7
8
9
10
11
12
For standing work ...
Network Users Manual - English - Page 25
...Operation panel
1
GND
1
0 V
11
SLED
2
DC + 5 V
2
DC + 5 V 12
SCAN 0
3
Needle down
3
SCAN 7
13 LSCAN 3
4
0 V
4
BUZZER 14 DPSCAN
5
NO. 2 Model DB2-B738 (Type #47OB)
Potentiometer
Cycle output
2
Needle position
switch
Hem detection
O
Correction
C)SC) 00C)
switch
ArT\ \Li
0
0
0
For standing work
Machine head
Brake
scp()
Presser foot lifter
Cycle output No.
2P...
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