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 kam01 on May 17th, 2013
Machine Fault
After approx 30 mins, the machine cuts out. I then have to leave it off for two minutes for it to function again!
Current Answers
Related Brother International DB2-B737 Manual Pages
Parts Manual - Multi - Page 26
... S02740- 000 S02739- 000 S03816- 001 025050- 236
ftVINIJfil3p- 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 Type] Medium thick materials
5 P-4i--t-til1
ick materials
•...
Network Users Manual - English - Page 2
...
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 • B748 • B791 • B793 • B795 • B798)
14
0 Operation...
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
...functions are adopted with the clutch motor.
*Use the DC motor for the following sewing machines.
[DB2-B7371 4 ,7
[DB2-6738]
4
[DB2-67911 *The DC motor is obtained. 5. Lightweight The DC motor weights less 10 kg, as compared with the reliable unit-design. FEATURES
1. When the sewing machine... them because it does not run when the sewing machine is free from 215 spm to the maximum ...
Network Users Manual - English - Page 5
...il El
0
All
\ ,I c T , A 8 C O I
I
O
Synchronizer
0
0
t -rT-r1 Treadle Unit
bEoXEtDhReA r•
PROGRAMMING
SET
Favr
r 2PRODOMOIE 3 4
MONITOR
CrFIECTION A B C D CORRECTION
MEE 0000 +0.5
1.51,
. 4e1
411
Machine Head to be Applied [DB2-B737 • B747 • B748 • B791 • B793 • B795 • B798]
Power Switch I
III:
. 0 m. Use the operation box which is...
Network Users Manual - English - Page 6
... ground. (A ground code is applied. CONFIGURATION
Synchronizer
Solenoid
10/30 Source
Fuse
L
Treadle
DC. CAUTION: 1. Do not fail to ground. (A ground code is not
Do not fail to handle the control box inside because high voltage is applied. Keep away from such machines which make strong noise as high frequency welder for...
Network Users Manual - English - Page 7
... board to the control box Q and the brakes are applied so that the operation of the sewing machine is sent to decelerate the motor O. Then the signal from the synchronizer is stopped at the ...by the control circuit board to the control box 0 and the brakes 0 are supplied to drive the sewing machine. 2. The voltage is stepped on and the treadle 0 is supplied to the motor Q by the ...
Network Users Manual - English - Page 9
... it
loosens about 10 mm when pressed by finger.
2 Needle position detector (synchronizer) Model DB2-B747 • B791 • B793 • B795 • B798
*Take off the power switch.
0
Position Adjustment for Needle Down Signal *Turn the machine pulley this side and set screw 0 and turning the nut 0 so that the distance...
Network Users Manual - English - Page 10
...DB2-B737 • B748
Higher
Lower
Lower
Higher
0
Needle up position 1. The thread trimmer signal is timed to the needle down position, the distance between the pulley bottom and the synchro- Slightly loosen the two screws 0 . Needle down stop position.
The needle plate top to lower the needle bar. Use the machine...needle position with standard function (without thread trimming...
Network Users Manual - English - Page 11
...low speed and thread trimming)
is turned clockwise, the low machine speed is applied. NOTE 1: It is dangerous to touch the... vR50
VR1O (1)
O
mimiml
° TvRal I -
131 Control box
Control Box (Model DB2-B737) The high speed volume, backtack stitch volume, power lamp, needle position switch, one 15A fuse...circuit board is turned by the
maximum sewing speed volume knob, so the VR3 ...
Network Users Manual - English - Page 12
....
. 4 Treadle
C2i
OJ
Fig. ment. When the stepping stroke is moved as shown in the order
from (a) to (d). B
151 Brush replacement
0 a
O
O ..;
0
Stepping Pressure *If the machine starts running at low speed just by
placing your foot on it responds lightly. Remove the clamp screws 0. 4. And when loosened, it lightly, the adjustment...
Network Users Manual - English - Page 15
... the external equipment. operating voltage: DC20 V or less
gr=O.. operating current: DC20 mA or less Max. Models DB2-B737 • B747 • B791 • B793.
Model B738
Collector
1
*With special connectors (cycle output), connect the machine to production control system 1. 9 Application to the external equipments.
*Output signals are sent from the open collector...
Network Users Manual - English - Page 16
... for the first two stitches (after thread trimming and stop at the needle down position and the machine is stopped during the
sewing operation, the needle stops at the needle up position. And use (Models DB2-B737 • B747 • B748 • B791 • B795 • B798)
Power switch
O0
a 11
brother
0©000...
Network Users Manual - English - Page 17
...D.
3 Operation box (Models DB2-B737 • B747 • B791 • B793 • B795 • B798)
*The switch settings and the number of stitches cannot be changed during the fixed stitch sewing can be set using the ... stitch number with the counter 0. Press the switch 0 for the fixed stitch sewing N. 2. The
machine runs in a cycle of all, step on the treadle for V stitch. ...
Network Users Manual - English - Page 18
... not move even if the actuator is ON.
Thread trimming is performed after the fixed stitch sewing sequence is completed until thread trimming is operating, the machine enters the reverse sewing mode. Items with a circle in the chart below
o . . . . Thread trimming (Thread trimming is performed when the treadle is pressed to the reverse...
Network Users Manual - English - Page 24
...CONNECTOR 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
...11
12
For standing work 4P connector (red)
High speed 0 V
DC + 12 V Low speed
Machine head
2P connector (black)
12P connector
Thread trimming
Leading power
0 V
Leading output
GND
Thread trimming ...
Network Users Manual - English - Page 25
...SCAN 3
17
PC 1
8
Encoder
8
SCAN 4
18
PC 2
9
SCAN 1
19 DC+ 5 V
10
SCAN 2
20
0 V 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 connector
1
Collector
2
Emitter
3
4
5
6
Hem detection...
Network Users Manual - English - Page 28
... (6P connector) from the machine head Reverse switch
Reverse solenoid
12 9
3
0 8 5
10 7
GND
Thread wiper solenoid
Thread trimming solenoid
Presser foot lift connecter Solenoid
GND
4
6
1
Knee switch
1. Measure with the tester set in the resistance range as follows.
•If the tester, with the x1 range, reads approx. 30-50 ohm at any...
Network Users Manual - English - Page 29
...Machine brake Trimmer solenoid Wiper solenoid Reverse feed solenoid Low speed Back tack speed High speed
Auto speed Presser solenoid
Ram V2
ic 7 HDLS 259
Power detection ->
Ic 23 24 TC 4050 BP
Scan 0
Scan 1 Scan 2 ). Scan 4 ). S LED PC1 PC2
Operation panel
Set Ply sensor Input Sewing...3 ).
I/ 259
ID- 3 B738 Machine Control System Block Diagram
MD-812-470B
Treadle Front SW Rear SW
Actuator SW...
Network Users Manual - English - Page 30
4 B737 Machine Control System Block Diagram
MD-812-300B
Pedal Front SW Rear SW
Actuator SW Presser SW
Synchronizer DN, UP ENC
Hic 1 INP circuit
Transformer
+35V
Power supply
+12V +5V
01V
Hic 3 ENC cont
Motor lock protective
Power ON-OFF detection
)
CPU MB8841
)
Hic 2 Drive circuit
Machine brake Reverse feed solenoid Trimmer solenoid...
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