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 robconnick on September 22nd, 2016
Brother Exedra
how do I replace the fixed blade on my exedra
Current Answers
Answer #1: Posted by zzed41 on September 22nd, 2016 11:48 PM
zzed41
Member since:
December 12th, 2014 Points: 914,010
Member since:
December 12th, 2014 Points: 914,010
Hi! First, get the part number from this website, and if you can order from here, then you may do so as well
https://www.college-sewing.co.uk/store/Brother-DB2-B737-Sewing-Machine-Parts
The part should have instructions on how to replace and attach the new one.
Hope this helps! If it does, please click on the Accept Answer button. I will greatly appreciate it! :)
Answer #2: Posted by maroo on September 22nd, 2016 11:45 PM
maroo
Member since:
August 24th, 2016 Points: 20,530
Member since:
August 24th, 2016 Points: 20,530
Simply put : whenever the blade becomes dull or otherwise unusable. This will vary with the material being cut but to be safe you should always replace the blade as it wears out.
How to Remove Lawn Mower Blades.watch this video link
Related Brother International DB2-B737 Manual Pages
Parts Manual - Multi - Page 26
... + Thread Wiper + Quick Back Switch + Automatic Presser Foot Lifter [Solenoid Type]
W.*
DIFFERENT PARTS LIST/ZUBEHoRLISTE LISTE DES PIECES ACCESSOIRES/LISTA DE PIEZAS ACCESORIAS
BROTHER INDUSTRIES, LTD.
• DB2-B737- 0 N •
MADE IN JAPAN
1 . WW2
Thin materials
3 .
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Option parts / Sonderzubehor Pieces en option / Piezas opciona
1-3
1-2
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Parts Manual - Multi - Page 38
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1 32
TEL (052) 824-2392
BROTHER INDUSTRIES, LTD. NAGOYA, JAPAN
1 17-737 195737-201 1987.8 Printed in Japan/Gedruckt in Japan/Imprime au Japon/Impreso en Japon
Network Users Manual - English - Page 2
... 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 • B748 • B791 •...
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
...sewing machine is stopped, the DC motor is freely controlled just by the adjustment knob. Free Control of the control box.
7. Easy Maintenance The maintenance is no need to replace... 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] Lightweight The...
Network Users Manual - English - Page 5
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0
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ED ED
Operation Box E-2
brother
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NAME OF EACH COMPONENT
The operation box is best suited to be Applied [DB2-B738] Use the operation box which is optionally available. t0 RIO@EIMORI
El m './
X
V V
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Operation Box E-4
Machine Head to be Applied [DB2-B737 • B747 • B748 •...
Network Users Manual - English - Page 7
... SYSTEM
0
00
0
OO
)i( 0 0
1. The voltage is supplied to the motor Q by the control circuit board in the control box 0 so that the operation of the sewing machine is given by the control circuit board to the control box Q and the brakes are applied so that the motor runs in proportion to the...
Network Users Manual - English - Page 9
...the needle by two hole IC and controls the needle down . Check the belt tension.
*The machine rotates counterclockwise as seen from the bottom and as for the model B798, 7.5 mm up stop... 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...
Network Users Manual - English - Page 10
...(without thread trimming) until the synchronizer is removed once, provide 0.5 mm clearance between the pulley bottom and the synchro- Synchronizer Model DB2-B737 • B748
Higher
Lower
Lower
Higher
0
Needle up stop Thin, regular materials: 10 ^ 12 mm Thick materials: 10 --14...the set screw bottom should be 18 - 22 mm. 3. Needle up stop position. * When the machine pulley is replaced.
Network Users Manual - English - Page 11
...knobs by finger because high voltage is turned by the
maximum sewing speed volume knob, so the VR3 requires no adjustment. 5.... on again. 131 Control box
Control Box (Model DB2-B737) The high speed volume, backtack stitch volume, power... the low machine speed is adjusted to increase. 3. The VR3 0 (automatic speed) is adjusted to secure the fuse holder cap after replacing or inspecting ...
Network Users Manual - English - Page 15
...
1
*With special connectors (cycle output), connect the machine to the external equipments.
*Output signals are sent from the open collector of the photo transistor of the photo coupler. m
000 320
11:111-1 (0/ •=o7 111111- -cp
CI
Control circuit board
1
Emitter
2 Terminal not used
2. Models DB2-B737 • B747 • B791 • B793...
Network Users Manual - English - Page 16
.... And 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 the screws O. The end backtack speed allows no change at the needle up position and the machine is pushed with the...
Network Users Manual - English - Page 17
...brother E-2
0
II II
-l t d
0
DI i
Al031 Aid
&
LY
0
O LA
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0 0 0 0000
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1-- Press the switch 0 for thread trimming.
Press the switch 0 for the fixed stitch sewing N. 2. Set the start and end backtack stitch number A (0 to 9) with the counter 0. 5. The
machine... number with the counter 0. 3 Operation box (Models DB2-B737 • B747 • B791 • B793 &#...
Network Users Manual - English - Page 18
... if the actuator is set to reverse position.
E-4
Application
Normal lock stitch
Fixed stitch sewing OFF
Start backtack
End backtack
Start/end backtack
Fixed stitch sewing
Fixed stitch sewing ON (thread trimming
activated by one correction stitch if the actuator is pressed when the machine is stopped and the correction switch is completed. (No. 5 through 8 in the...
Network Users Manual - English - Page 19
..., end backtack and thread trimming
No.12 Start/end backtack, fixed stitch and thread trimming
N
N
No.13 Continuous backtack
Sewing completed through thread trimming by holding the treadle depressed.
No.5 Fixed stitch sewing only
No.6 Start backtack and fixed stitch sewing
Fixed stitch I
N Actuator I correction
I
B/ Ai /
N
Fixed stitch I
No.3 End backtack
No.4 Start/end backtack...
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
...
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
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...V Low speed
[Single-phase]
Side face of control box
15A
Motor Power
O O
Fuse
Machine head No.
12P connector
1
Leading power
2
Leading output
3
GND
4 Thread trimming power
...
Network Users Manual - English - Page 29
...812-470B
Treadle Front SW Rear SW
Actuator SW Presser SW NL. Drive Tr
Machine brake Trimmer solenoid Wiper solenoid Reverse feed solenoid Low speed Back tack speed High ...74LS 259
Drive Tr
ic 6 HDLS -- Scan Scan 6 Scan 7 ). S LED PC1 PC2
Operation panel
Set Ply sensor Input Sewing mode Programme
Start tack End tack Repeat Auto SP Slow start Half step
I/ 259
ID- Scan 4 ). UP/DN SW Correct...
Network Users Manual - English - Page 30
... circuit
Machine brake Reverse feed solenoid Trimmer solenoid Wiper solenoid Presser solenoids
Start, repeat tack speed Back tack speed High speed Electric brake
Hic 1 INP circuit
a Operation panel
3e.
•
Start tack SW
End tack SW
aO-• Slow start SW •
PI
Correction SW
Repeat tack SW Fixed stitches SW Fixed + Trimmer...
Network Users Manual - English - Page 31
151 B737. Photo coupler
+15V CP9
Base driver
O 050V
if
Photo coupler
0
Motor lock protective
NOTE: Never touch the volumes indicated with an astarisk (*). O 100V
-15V
Base ...
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