Brother T-8752C, TL-847A, TN-842A, TN-845B Owner's Manual
INSTRUCTION MANUAL
BAS-364E,366E
BAS-370E,375E
Please read this manual before using the machine.
Please keep this manual within easy reach for quick reference.
PROGRAMMABLE ELECTRONIC PATTERN SEWER
Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read
the safety instructions below and the explanations given in the instruction manual.
With industrial sewing machines, it is normal to carry out work while positioned directly in front of moving parts
such as the needle and thread take-up lever, and consequently there is always a danger of injury that can be
caused by these parts. Follow the instructions from training personnel and instructors regarding safe and correct
operation before operating the machine so that you will know how to use the machine correctly.
SAFETY INSTRUCTIONS
z
Safety indications and their meanings
This instruction manual and the indications and symbols that are used on the machine itself are provided in
order to ensure safe operation of this machine and to prevent accidents and injury to yourself or other people.
The meanings of these indications and symbols are given below.
Indications
DANGER
CAUTION
Symbols
............. This symbol ( ) indicates something that you should be careful of. The picture inside
the triangle indicates the nature of the caution that must be taken.
(For example, the symbol at left means “beware of injury”.)
............. This symbol ( ) indicates something that you
............. This symbol ( ) indicates something that you
indicates the nature of the thing that must be done.
(For example, the symbol at left means “you must make the ground connection”.)
The instructions which follow this term indicate situations where failure to follow the
instructions will almost certainly result in death or severe injury.
The instructions which follow this term indicate situations where failure to follow the
instructions could cause injury when using the machine or physical damage to
equipment and surroundings.
must not do.
must do. The picture inside the circle
BAS-364E, 366E, 370E, 375E
i
x Notes on safety
Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before
opening the face plate of the control box Leg cover. Touching areas where high voltages are present can result in
severe injury.
DANGER
CAUTION
Environmental requirements
Use the sewing machine in an area which is free from
sources of strong electrical noise such as high-
frequency welders.
Sources of strong electrical noise may cause problems
with correct operation.
Any fluctuations in the power supply voltage should
be within ±10% of the rated voltage for the machine.
Voltage fluctuations which are greater than this may
cause problems with correct operation.
The power supply capacity should be greater than the
requirements for the sewing machine’s electrical
consumption.
Insufficient power supply capacity may cause problems
with correct operation.
The air supply should have a capacity greater than the
machine air consumption. If air is not supplied
sufficiently, a machine malfunction may occur.
Installation
Machine installation should only be carried out by a
qualified technician.
Contact your Brother dealer or a qualified electrician
for any electrical work that may need to be done.
The sewing machine weighs more than BAS-364E,
366E are 400 kg, BAS-370E, 375E are 600 kg. The
installation should be carried out by two or more people.
Do not connect the power cord until installation is
complete, otherwise the machine may operate if the
foot switch is pressed by mistake, which could result
in injury.
Be sure to connect the ground. If the ground connection is not secure, you run a high risk of receiving a
serious electric shock, and problems with correct
operation may also occur.
The ambient temperature should be within the range
of 5°C to 35°C during use.
Temperatures which are lower or higher than this may
cause problems with correct operation.
The relative humidity should be within the range of 45% to
85% during use, and no dew formation should occur in any
devices.
Excessively dry or humid environments and dew formation
may cause problems with correct operation.
Avoid exposure to direct sunlight during use.
Exposure to direct sunlight may cause problems with
correct operation.
In the event of an electrical storm, turn off the power
and disconnect the power cord from the wall outlet.
Lightning may cause problems with correct operation.
All cords tube should be secured at least 25 mm away
from any moving parts. Furthermore, do not excessively bend the cords or secure them too firmly with
staples.
Use the arm motor cover with the leg cover
installed.
If using a work table which has casters, the casters
should be secured in such a way so that they cannot
move.
Be sure to wear protective goggles and gloves when
handling the lubricating oil and grease, so that they do
not get into your eyes or onto your skin, otherwise inflammation can result.
Furthermore, do not drink the oil or eat the grease under any circumstances, as they can cause vomiting
and diarrhoea.
Keep the oil out of the reach of children.
ii
BAS-364E, 366E, 370E, 375E
CAUTION
Sewing
This sewing machine should only be used by operators who have received the necessary training in safe
use beforehand.
The sewing machine should not be used for any
applications other than sewing.
Be sure to wear protective goggles when using the
machine.
If goggles are not worn, there is the danger that if a
needle breaks, parts of the broken needle may enter
your eyes and injury may result.
Set the needle to the needle up stop position before
turning on the power.
Turn off the power switch at the following times,
otherwise the machine may operate if the foot switch
is pressed by mistake, which could result in injury.
• When replacing the needle
• When not using the machine and when leaving the
machine unattended
Cleaning
Set the needle to the needle up stop position before
turning on the power.
If this is not done, the wiper may strike the needle,
which might cause the needle to break.
Turn off the power switch before carrying out cleaning,
otherwise the machine may operate if the foot switch
is pressed by mistake, which could result in injury.
Secure the legs of the table on a level surface so that
the sewing machine does not move.
Attach all safety devices before using the sewing
machine. If the machine is used without these devices
attached, injury may result.
Do not touch any of the moving parts or press any
objects against the machine while sewing, as this may
result in personal injury or damage to the machine.
If an error occurs in machine, or if abnormal noises or
smells are noticed, immediately turn off the power
switch. Then contact your nearest Brother dealer or a
qualified technician.
If the machine develops a problem, contact your
nearest Brother dealer or a qualified technician.
Be sure to wear protective goggles and gloves when
handling the lubricating oil and grease, so that they do
not get into your eyes or onto your skin, otherwise inflammation can result.
Furthermore, do not drink the oil or eat the grease under any circumstances, as they can cause vomiting
and diarrhoea.
Keep the oil out of the reach of children.
Maintenance and inspection
Maintenance and inspection of the sewing machine
should only be carried out by a qualified technician.
Ask your Brother dealer or a qualified electrician to
carry out any maintenance and inspection of the
electrical system.
Set the needle to the needle up stop position before
turning on the power.
Turn off the power switch and disconnect the power
cord from the wall outlet at the following times,
otherwise the machine may operate if the foot switch
is pressed by mistake, which could result in injury.
• When carrying out inspection, adjustment and maintenance
• When replacing consumable parts such as the rotary hook
If the power switch needs to be left on when carrying
out some adjustment, be extremely careful to observe
all safety precautions.
Disconnect the air hoses from the air supply and wait
for the needle on the pressure gauge to drop to “0”
before carrying out inspection, adjustment andrepair
of any parts which use the pneumatic equipment.
Use only the proper replacement parts as specified by
Brother.
If any safety devices have been removed, be absolutely sure to re-install them to their original positions
and check that they operate correctly before using the
machine.
Any problems in machine operation which result from
unauthorized modifications to the machine will not be
covered by the warranty.
BAS-364E, 366E, 370E, 375E
iii
c Warning labels
★ The following warning labels appear on the sewing machine.
Please follow the instructions on the labels at all times when using the machine. If the labels have been
removed or are difficult to read, please contact your nearest Brother dealer.
1
2
* BAS-364E, 366E
Safety devices: Thread take-up cover,
Belt cover, Eye guard,
Finger guard,
Arm motor cover, etc.
* BAS-370E, 375E
thread take-up cover
1
1
Eye guard
thread take-up cover
Eye guard
1
1
2
Arm moter
cover
2
Arm moter cover
Finger guard
Finger guard
iv
BAS-364E, 366E, 370E, 375E
Contents
Chapter 1
NAME OF MAJOR PARTS
.... 1
Chapter 2 SPECIFICATIONS................ 2
Chapter 3 INSTALLATION ........................ 3
1. Connecting the ground wire ........................ 3
2. Positioning ........................................................ 3
3. Installing the needle plates .......................... 4
4. Installing the work clamp hinge .................. 5
5. Installing the arm motor cover .................... 5
6. Installing the foot switch ............................... 6
7. Installing the programmer box .................... 6
8. Installing the programmer ............................ 6
9. Installing the spool stand.............................. 7
10. Preparation of cassette .............................. 7
11. Lubrication ..................................................... 8
12. Draining oil ..................................................... 9
13. Applying grease............................................ 10
14. Adjusting the air pressure.......................... 11
Chapter 4 CORRECT OPERATION ... 12
1. Turning the pulley by hand .......................... 12
2. Installing the needle....................................... 12
3. Threading the upper thread......................... 13
4. Winding the lower thread ............................. 14
5. Installing the bobbin case ................................. 15
6. Thread tension ................................................ 16
7. Work clamp ...................................................... 17
8.
Selecting Intermittent feed or continuous feed
Chapter 5
1.
Part names and functions of the operation panel
2. Using the floppy disk ..................................... 21
3.
Using the program R/W (Read/Write) switch
4. Using the emergency stop switch.............. 24
5. Adjusting the sewing speed control........... 25
6.
Changing the X-scale and Y-scale settings
7. Using the TEST switch
(Checking the sewing pattern)
8. Using the STEP BACK switch .................... 27
9. Using single split mode................................. 28
10. Using the bobbin thread counter ............. 29
11. Using production counter .......................... 30
12. Shifting a stitch pattern............................... 31
OPERATING PROCEDURE
...................... 26
...... 18
... 19
.. 19
........ 23
..... 25
Chapter 6 Sewing ........................................ 32
1. Before starting sewing.................................. 32
2. Sewing operation ............................................ 33
Chapter 7
1. Needle and rotary hook timing ................... 34
2. Adjusting the needle bar height ................. 35
3. Adjusting the needle clearance .................. 35
4. Adjusting the presser foot ............................ 36
5. Changing the presser foot lift amount ...... 37
6.
Replacing the fixed knife and movable knife
7. Adjusting the inner rotary hook
bobbin case holder position ........................ 39
8. Checking the input voltage .......................... 40
9. Clearing all memory settings ....................... 40
STANDARD ADJUSTMENTS
.... 34
..... 38
Chapter 8 DEVICES ................................... 41
1. Needle thread presser .................................. 41
2. Beam sensor-type needle thread
breakage detecor .......................................... 41
3. Two-stage thread tension mechanism ..... 42
4. Stepping foot control mechanism .............. 42
5. Needle cooler .................................................. 43
6. Installing the bottom plunger ....................... 43
7. Jig pattern sensor ........................................... 44
8. Sub clamp (BAS-370E, 375E only) ........... 45
Chapter 9
1. Rotary hook ...................................................... 47
2. Eye guard ......................................................... 47
3. Checking the needle ...................................... 48
CLEANING
AND INSPECTION
... 47
Chapter 10 DIP SWITCH ......................... 49
1. Panel DIP switch functions .......................... 49
2. DIP switches inside the control box .......... 50
Chapter 11
CHANGING SPECIAL FUNCTIONS
AND THE MEMORY SWITCHES
USING
..... 52
Chapter 12 ERROR CODE..................... 57
Chapter 13 TROUBLESHOOTING ... 59
OPERATION FLOW CHART ................. 61
Chapter 1 NAME OF MAJOR PARTS
Chapter 1 NAME OF MAJOR PARTS
Hand Pully
Spool stand
Emergency stop switch
Reset switch
Work clamp
Power switch
Floppy disk drive
Programmer
Work clamp lift switch Start switch
Operation panel
Arm motor cover
Dip sw
Bobbin winder
Beam sensor-type
needle thread breakage
detector
Integrater
1
BAS-364E, 366E, 370E, 375E
Chapter 2 SPECIFICATIONS
Chapter 2 SPECIFICATIONS
Stitch type
Sewing machine
Rotary hook
Needle
Stitch length
Max. sewing
speed
Max. pattern size
Max. number of stitches
Work clamp lift stroke
Intermittent lift stroke
Test function
intermittent feed mode
continuous feed mode
(X - Y)
Single needle, lock stitch
Lock stitch, double rotary hook, long arm machine
Double rotary hook
DP✕17, MR
0.05 - 12.7 mm
2,000 rpm (Max. stitch length 3 mm)
3,200 rpm (Max. stitch length 3 mm)
420 ✕ 400 mm ........... (BAS-364E)
650 ✕ 400 mm ........... (BAS-366E)
800 ✕ 400 mm ........... (BAS-370E)
1,200 ✕ 400 mm ........ (BAS-375E)
20,000 stitches per pattern
Max. 50 mm
16 mm
Operation test function provided for use with low speed drive
Safety devices
Machine dimensions
Data storage method
Power supply
Motor
Air pressure
Weights
Automatic stop function for activation in the event of misoperation realized
with intermediate stop function and safety circuits
W. 1,624 mm D. 1,100mm H. 1,868mm ...... (BAS-364E)
1,624mm 1,557mm 1,868mm ...... (BAS-366E)
1,625mm 1,820mm 1,868mm ...... (BAS-370E)
1,625mm 2,620mm 1,868mm ...... (BAS-375E)
3.5 - floppy disc 2HD/ 1.44 MB, 2DD
Three phase 220V, 380V, 400V 1KVA
AC Servo motor 750W
0.5 MPa 1.8 l/ min
BAS-364E
400kg
BAS-366E BAS-375E
BAS-370E
600kg
BAS-364E, 366E, 370E, 375E
2
Chapter 3 INSTALLATION
Chapter 3 INSTALLATION
CAUTION
Machine installation should only be carried out
by a qualified technician.
Contact your Brother dealer or a qualified
electrician for any electrical work that may need
to be done.
The sewing machine head weighs more than
65 kg. The installation should be carried out by
two or more people.
Do not connect the power cord until installation
is complete, otherwise the machine may operate
if the foot switch is depressed by mistake, which
could result in injury.
Be sure to connect the ground. If the ground
connection is not secure, you run the risk of
receiving a serious electric shock.
1. Connecting the ground wire
DANGER
Be sure to connect the gound. If the ground connection is not secure, you run the risk of receiving a serious
electric shock.
Be sure to wear protective goggles and gloves
when handling the lubricating oil and grease,
so that they do not get into your eyes or onto
your skin, otherwise inflammation can result.
Furthermore, do not drink the oil or eat the
grease under any circumstances, as they can
cause vomiting and diarrhoea.
Keep the oil out of the reach of children.
Avoid setting up the sewing machine near
sources of strong electrical noise such as
highfrequency welding equipment.
If this precaution is not taken, incorrect machine
operation may result.
Connection method for 3-phase power supply
Red
White
Black
Green/Yellow
....... Connect to ground
3-phase
power supply
2. Positioning
Note
●
Disconnect the power supply from the special socket afrer install has been completed.
●
Be sure to connect the ground. If it is not connected, damage to the machine, incorrect operation and electric
shocks may result.
Decide the position for the sewing machine. Loosen nuts
of six level adjusters q. Lower the level adjusters and
secure them with nuts w. Turning the level adjuster
counterclockwise will raise its height and turning it
clockwise will lower it.
Note
If the level adjusters are not secured properly, the
w
q
machine may move during operation, which could
result in injury or damage.
3
BAS-364E, 366E, 370E, 375E
3. Installing the needle plates
* For BAS-370E, 375E
r
u
r
i
t
w
Chapter 3 INSTALLATION
!0oi
r
y
q
e
* For BAS-364E, 366E
!1
q
w
1. Loosen the bolts q, and then pull the needle plate support bases w to the outside.
2. Secure the needle plate support bases w by tightening the bolts q and the bolts e.
3. Install the needle plate support brackets r to the needle plate support bases w by tightening the bolts t from
below.
* For the BAS-366E and BAS-375E, install the needle plate support brackets y to the needle plate support brackets
r with the bolts u.
4. Place the screw holes in the left needle plate i, center needle plate o and right needle plate !0 on top of the
needle plate support hases w so that the screw holes are aligned, and then secure them by tightening the screws.
* For the BAS-364E, install the center needle plate !1 only.
e
BAS-364E, 366E, 370E, 375E
4
Chapter 3 INSTALLATION
4. Installing the work clamp hinge
y
t
1. Clamp hinge spring (R) e and hinge spring (L) r with the work clamp arm q and work clamp hinge w.
2. After placing the thrust washer y onto Y pulley shaft (A) t, insert Y pulley shaft (A) t into the work clamp arm q
and work clamp hinge w.
Note
Insert Y pulley shaft (A) t into the hole of the work clamp hinge w so that the screw stop u is facing upward.
3. Secure the work clamp hinge w and Y pulley shaft (A) t with the set screw i.
Note
Make sure that the set screw i goes into the screw stop u of Y pulley shaft (A) t.
u
r
q
i
w
e
u
t
i
w
q
y
5. Installing the arm motor cover
e
t
w
q
1. Move the feed mechanism q manually until it is as far into the machine as it will go.
(The ball spline w should be extended fully toward the front when looking from behind the arm.)
2. Aligh the arm motor cover e with the rear of the arm so that there is even clearance between the tube section r
and the ball spline w, and then secure with the accessory screws t.
Note
If noise is heard from the tubular section r of the arm motor cover e while the machine is operating, adjust the
installation position of the arm motor cover e according to the procedure in step 2. above.
r
w
r
5
BAS-364E, 366E, 370E, 375E
6. Installing the foot switch
CAUTION
Do not connect the power cord until installation si compleate, otherwise the machine may operate if the foot
switch is depressed by mistake, which could result in injury.
q
e
w
Chapter 3 INSTALLATION
Be sure to attach the connector e of the foot switch w to
the connector q whose cord comes from the center of
the front cover at the bottom of the machine.
7. Installing the programmer box
1. Attach the programmer box q to the needle plate
support w using the screws.
2. Be sure to attach the two connectors r and t to the
respective receptacles on the rear of the floppy disk
drive y.
3. Attach the connector u to the side of the programmer
box q using the two screws i.
i
y
w
u
r
t
e
q
8. Installing the programmer
1. Insert the cord q of the programmer into the connector
w below the needle plate.
q
w
2. The programmer can be placed inside the box e.
e
BAS-364E, 366E, 370E, 375E
6
Chapter 3 INSTALLATION
9. Installing the spool stand
10. Preparation of cassette
Install the spool stand to the support of the panel.
w
When not using the presser plate lower q, put the teflon
tape on the rear of the cassette w.
Note
If tape is not attached to the rear of the cassette, the
top of the needle plate will become dirty, which could
cause the material to become dirty.
q
7
BAS-364E, 366E, 370E, 375E
Chapter 3 INSTALLATION
11. Lubrication
CAUTION
Turn off the power switch before starting any cleaning work, otherwise the machine may operated if the foot
switch is depressed by mistake, which could result in injury.
Be sure to wear protective goggles and gloves when handling the lubricating oil and grease, so that they do
not get into your eyes or onto your skin, otherwise inflammation can result.
Furthermore, do not drink the oil or eat the grease under any circumstances, as they can cause vomiting
and diarrhoea.
Keep the oil out of the reach of children.
Note
●
Fill the machine with oil when the oil level is down to about one-third full in the oil sight glass. If oil is not added
and the oil drops below this level, there is the danger that the machine may seize during operation.
●
Be sure to let the machine operate for a while after adding the oil.
●
Be sure to use Brother-specified machine oil (Nisseki Sewing Lub. 10).
1. Fill the oil tank with sewing machine oil.
A
q
2. Fill the cooling tank q with silicon oil.
B
3. Once or twice a week, fill the rotary hook lubrication tank B with machine oil from lubrication oil hole A until the tank
is approximately two-thirds full. If more oil than this is added, oil may leak from the rotary hook.
BAS-364E, 366E, 370E, 375E
8
Chapter 3 INSTALLATION
12. Draining oil
q
Remove and empty the waste oil tank q whenever it is
full.
The waste oil tank q is underneath the front right leg.
9
BAS-364E, 366E, 370E, 375E
Chapter 3 INSTALLATION
13. Applying grease
If the grease has run out, apply more grease in the places indicated by the arrows below.
Note
If you continue to operate the machine without any grease, it will cause abnormal noise and malfunctions to occur.
BAS-364E, 366E, 370E, 375E
10
Chapter 3 INSTALLATION
14. Adjusting the air pressure
1. Air pressure should be 0.5 MPa.
w
2. If water stands in the bottle of the integrator q, turn
r
q
e
Note
The air pressure can be adjusted by pulling up and
turning the control knob w on the integrator q.
After adjustment is complete, push the control knob w
downward to lock it.
the drain cock e in the direction indicated by an arrow
to drain the water.
Open the air cock r slowly.
11
BAS-364E, 366E, 370E, 375E
Chapter 4 CORRECT OPERATION
Chapter 4 CORRECT OPERATION
1. Turning the pulley by hand
CAUTION
If the power switch and air need to be left on when carrying out some adjustment, be extremely careful to
observe all safety precautions.
After pressing the hand pulley q in, it can then be turned
by hand. To return the hand pulley q, pull the lever w
w
r
e
q
toward you.
* Furthermore, the hand pulley q will automatically return
to its original position at the sewing start and when the
work clamp is raised and lowered.
Note
Do not touch the hand pulley q, lever w, work clamp
lifter arm e or cylinder r while the machine is
operating and when the work clamp is being raised
and lowered, otherwise injury may result.
2. Installing the needle
Turn off the power switch at the following times, otherwise the machine may operate if the start switch is
pressed by mistake, which could result in injury.
●
When replacing the needle
q
w
CAUTION
Loosen set screw q. Fully insert the needle w with the
groove facing the front, and then retighten set screw q.
Note
●
Always make sure that the needle w is fully inserted
facing the front.
●
If the needle is installed incorrectly, problems such
as needle breakage may occur.
BAS-364E, 366E, 370E, 375E
12
Chapter 4 CORRECT OPERATION
3. Threading the upper thread
CAUTION
If the power switch needs to be left on when carrying out threading, be extremely careful to observe all
safety precautions.
The machine may operate if the foot switch is depressed by mistake, which could result in injury.
(ex. Continuing sewing from a stopping point)
Thread the upper thread as shown in the diagrams below.
<With cotton thread>
0
4
1
3
2
Hole inclination 45˚
<With synthetic thread>
0
4
1
3
2
13
BAS-364E, 366E, 370E, 375E
Chapter 4 CORRECT OPERATION
4. Winding the lower thread
CAUTION
Do not touch any of the moving parts or press any objects against the machine while the bobbin is turning,
as this may result in personal injury or damage to the machine.
Note
Do not touch the bobbin or the bobbin holder while the bobbin is turning, otherwise injury may result.
q
O
N
O
F
F
0
4
1
3
2
w
series
y
q
e
r
t
1. Slide the bobbin all the way onto the spindle.
2. Thread the thread as shown in the illustration (in the case of the BAS-364E and 366E, there is no lower thread
guide u), wind the thread around the bobbin several time in the direction shown by the arrow, and then press the
bobbin presser q.
3. Turn the power switch w on.
●
The power indicator on the operation panel will light.
4. Press and hold the STEP BACK switch e on the operation panel, and depress the start switch r to start the
sewing machine.
●
Keep the start switch depressed until the bobbin is fully wound.
●
Release the STEP BACK switch e when the sewing machine starts.
5. The bobbin holder q will automatically return when the bobbin is filled to capacity (approximately 80 - 90 % of the
bobbin diameter).
6. Release the start switch r.
7. Remove the bobbin, and pull the bobbin in the direction of the arrow to cut the thread on the thread cutter t.
8. To wind more thread onto the bobbin, loosen the set screw y and move the bobbin holder q out in the direction of
the arrow.
BAS-364E, 366E, 370E, 375E
14
Chapter 4 CORRECT OPERATION
w
A
q
B
5. Installing the bobbin case
Note
If the bobbin thread is wound unevenly onto the bobbin,
loosen nut q, and turn thread tension stud w to adjust
so that the thread is wound evenly. If the bobbin is
wound as in Fig. A, turn the stud clockwise, if Fig. B,
turn the stud counterclockwise.
CAUTION
If the power switch needs to be left on when carrying out replacing the bobbin, be extremely careful to
observe all safety precautions.
The machine may operate if the foot switch is depressed by mistake, which could result in injury.
(ex. Continuing sewing from a stopping point)
Note
● Do not replace the bobbin or put your hand close to the bobbin case while the machine is operating.
● Do not operate the machine while replacing the bobbin, otherwise injury and damage could result.
r
e
t
q
1. Raise the bobbin case latch w, and then remove the bobbin case q from inside the rotary hook at the front of the
machine head.
2. While the bobbin case latch w is still lowered, remove the bobbin e from the bobbin case q.
3. Place a new bobbin with the bobbin thread already wound on into the bobbin case q, and then pass the thread
through the slot r and pull it out from the thread hole t.
BAS-364E, 366E, 370E, 375E
15
w
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