S-7100A |
INSTRUCTION MANUAL |
|
Please read this manual before using the machine.
Please keep this manual within easy reach for quick reference.
SINGLE NEEDLE DIRECT DRIVE STRAIGHT LOCK STITCHER WITH THREAD TRIMMER
Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety instructions 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, 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 it correctly.
S-7100A
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 |
The instructions which follow this term indicate situations where failure to follow the |
instructions will result in death or serious injury. |
|
|
|
WARNING instructions could result in death or serious injury. |
|
|
The instructions which follow this term indicate situations where failure to follow the |
|
|
CAUTION |
instructions may result in minor or moderate injury. |
|
The instructions which follow this term indicate situations where failure to follow the |
|
|
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 must not do.
This symbol ( |
) indicates something that you must do. The picture inside the circle indicates the |
nature of the thing that must be done.
(For example, the symbol at left means “you must make the ground connection”.)
S-7100A |
i |
DANGER
Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the cover of the control box. Touching areas where high voltages are present can result in severe injury.
WARNING
Do not allow any liquids to get onto this sewing machine, otherwise fire, electric shocks or operating problems may occur.
If any liquid gets inside the sewing machine (machine head or control box), immediately turn off the power and disconnect the power plug from the electrical outlet, and then contact the place of purchase or a qualified technician.
CAUTION
Environmental requirements
Use the sewing machine in an area which is free |
The ambient temperature should be within the |
|
from sources of strong electrical noise such as |
range of 5°C to 35°C during use. |
|
electrical line noise or static electric noise. |
Temperatures which are lower or higher than this |
|
Sources of strong electrical noise may cause |
may cause problems with correct operation. |
|
problems with correct operation. |
The relative humidity should be within the range of |
|
Any fluctuations in the power supply voltage |
||
45% to 85% during use, and no dew formation |
||
should be within ±10% of the rated voltage for the |
should occur in any devices. |
|
machine. |
Excessively dry or humid environments and dew |
|
Voltage fluctuations which are greater than this |
formation may cause problems with correct |
|
may cause problems with correct operation. |
operation. |
|
The power supply capacity should be greater than |
In the event of an electrical storm, turn off the power |
|
the requirements for the sewing machine's power |
and disconnect the power cord from the wall outlet. |
|
consumption. |
Lightning may cause problems with correct |
|
Insufficient power supply capacity may cause |
operation. |
|
problems with correct operation. |
|
Installation
Machine installation should only be carried out by |
If using a work table which has casters, the casters |
|||||
a qualified technician. |
|
|
should be secured in such a way so that they |
|||
Contact your Brother dealer or a qualified |
cannot move. |
|||||
Secure the table so that it will not move when tilting |
||||||
electrician for any electrical work that may need to |
||||||
be done. |
|
|
|
|
back the machine head. If the table moves, it may |
|
The sewing machine weighs approximately 32 kg |
crush your feet or cause other injuries. |
|||||
Use both hands to hold the machine head when |
||||||
(70lb). The installation should be carried out by |
||||||
two or more people. |
|
|
tilting it back or returning it to its original position. If |
|||
Do not connect the power cord until installation is |
only one hand is used, the weight of the machine |
|||||
head may cause your hand to slip, and your hand |
||||||
complete. The machine may operate if the treadle |
||||||
may get caught. |
||||||
is depressed by mistake, which could result in |
||||||
|
||||||
injury. |
|
|
|
|
Be sure to wear protective goggles and gloves |
|
Turn off |
the |
power |
switch before inserting |
or |
when handling the lubricating oil and grease, so that |
|
they do not get into your eyes or onto your skin, |
||||||
removing |
the |
plug, |
otherwise damage to |
the |
||
otherwise inflammation can result. |
||||||
control box could result. |
|
|||||
|
Furthermore, do not drink the oil or eat the grease |
|||||
|
|
|
|
|
||
Be sure to connect the ground. If the ground |
under any circumstances, as they can cause |
|||||
connection is not secure, you run a high risk of |
vomiting and diarrhea. |
|||||
receiving a serious electric shock, and problems |
Keep the oil out of the reach of children. |
with correct operation may also occur.
When securing the cords, do not bend the cords excessively or fasten them too hard with staples, otherwise there is the danger that fire or electric shocks could occur.
ii |
S-7100A |
CAUTION
Sewing
This sewing machine should only be used by |
Attach all safety devices before using the sewing |
||
operators who have received the necessary training |
machine. If the machine is used without these |
||
in safe use beforehand. |
devices attached, injury may result. |
||
The sewing machine should not be used for any |
Do not touch any of the moving parts or press any |
||
applications other than sewing. |
objects against the machine while sewing, as this |
||
Be sure to wear protective goggles when using the |
may result in personal injury or damage to the |
||
machine. |
|||
machine. |
|||
Secure the table so that it will not move when tilting |
|||
If goggles are not worn, there is the danger that if a |
|||
needle breaks, parts of the broken needle may enter |
back the machine head. If the table moves, it may |
||
your eyes and injury may result. |
crush your feet or cause other injuries. |
||
Turn off the power switch at the following times. |
Use both hands to hold the machine head when |
||
The machine may operate if the treadle is |
tilting it back or returning it to its original position. If |
||
depressed by mistake, which could result in injury. |
only one hand is used, the weight of the machine |
||
|
When threading the needle |
head may cause your hand to slip, and your hand |
|
may get caught. |
|||
|
When replacing the bobbin and needle |
||
|
|||
When not using the machine and when leaving |
If an error occurs in machine operation, or if |
||
|
the machine unattended |
abnormal noises or smells are noticed, immediately |
|
If using a work table which has casters, the casters |
turn off the power switch. Then contact your nearest |
||
Brother dealer or a qualified technician. |
|||
should be secured in such a way so that they |
|||
|
|||
cannot move. |
If the machine develops a problem, contact your |
||
|
|
nearest Brother dealer or a qualified technician. |
Cleaning
Turn off the power switch before carrying out |
Be sure to wear protective goggles and gloves when |
||||
cleaning. The machine may operate if the treadle is |
handling the lubricating oil and grease, so that they |
||||
depressed by mistake, which could result in injury. |
do not get into your eyes or onto your skin, |
||||
Secure the table so that it will not move when tilting |
otherwise inflammation can result. |
||||
Furthermore, do not drink the oil or eat the grease |
|||||
back the machine head. If the table moves, it may |
|||||
under |
any |
circumstances, |
as they can cause |
||
crush your feet or cause other injuries. |
|||||
vomiting and diarrhea. |
|
||||
|
|
||||
Use both hands to hold the machine head when |
Keep the oil out of the reach of children. |
||||
tilting it back or returning it to its original position. If |
|
|
|
|
|
only one hand is used, the weight of the machine |
|
|
|
|
|
head may cause your hand to slip, and your hand |
|
|
|
|
|
may get caught. |
|
|
|
|
|
Maintenance and inspection |
|
|
|||
Maintenance and inspection of the sewing machine |
Secure the table so that it will not move when tilting |
||||
should only be carried out by a qualified technician. |
back the machine head. If the table moves, it may |
||||
Ask your Brother dealer or a qualified electrician to |
crush your feet or cause other injuries. |
||||
|
|
|
|
||
carry out any maintenance and inspection of the |
Use both hands to hold the machine head when |
||||
electrical system. |
tilting it back or returning it to its original position. |
||||
Turn off the power switch and disconnect the power |
If only one hand is used, the weight of the machine |
||||
head may cause your hand to slip, and your hand |
|||||
cord from the wall outlet at the following times, |
|||||
may get caught. |
|
||||
otherwise the machine may operate if the treadle is |
|
||||
When replacing parts and installing optional |
|||||
depressed by mistake, which could result in injury. |
|||||
When carrying out inspection, adjustment and |
accessories, be sure to use only genuine Brother |
||||
maintenance |
parts. |
|
|
|
|
When replacing consumable parts such as the |
Brother will not be held responsible for any |
||||
rotary hook and knife |
accidents or problems resulting from the use of |
||||
Always be sure to turn off the power switch and then |
non-genuine parts. |
|
|||
|
|
|
|
||
wait one minute before opening the motor cover. If |
If any safety devices have been removed, be |
||||
you touch the surface of the motor, it may cause |
absolutely sure to re-install them to their original |
||||
burns. |
positions and check that they operate correctly |
||||
If the power switch needs to be left on when |
before using the machine. |
|
|||
|
|
|
|
||
carrying out some adjustment, be extremely careful |
To prevent accidents and problems, do not modify |
||||
to observe all safety precautions. |
the machine yourself. |
|
|||
|
Brother |
will |
not be held |
responsible for any |
accidents or problems resulting from modifications made to the machine.
S-7100A |
iii |
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 |
Touching areas where high voltages are present can |
result in severe injury. Turn off the power before |
opening the cover.
3
* Safety devices: (A) Finger guard |
(C) Motor cover |
(B) Thread take-up cover |
|
4
5
6
7
8
Be careful not to get your hands caught when returning the machine head to its original position after it has been tilted.
Be careful to avoid injury from the moving thread take-up.
High temperature warning display
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.
Direction of operation
9
iv |
S-7100A |
Transformer box
(100 V/400 V system only)
Control box
Oil tank
0591D
S-7100A |
v |
1. MACHINE SPECIFICATIONS .................. |
1 |
2. INSTALLATION ............................................ |
2 |
2-1. Table processing diagram............................. |
3 |
2-2. Installation .................................................... |
3 |
2-3. Lubrication .................................................... |
6 |
2-4. Connecting the cords..................................... |
7 |
2-4-1. Connecting the cords ................................. |
7 |
2-4-2. Other cords.................................................. |
8 |
3. USING THE OPERATION PANEL |
|
(BASIC OPERATIONS)............................. |
12 |
3-1. Names and functions .................................... |
12 |
3-2. Sewing start and end backtack stitches ...... |
14 |
3-3. Sewing continuous backtack stitches .......... |
15 |
4. USING THE OPERATION PANEL |
|
(ADVANCED OPERATIONS).................. |
16 |
4-1. Switching the 4-column display ................... |
16 |
4-2. Setting the sewing speed .............................. |
16 |
4-2-1. Setting the maximum sewing speed....... |
16 |
4-2-2. Setting the start backtack |
|
sewing speed ............................................... |
17 |
4-3. Setting the counters...................................... |
18 |
4-3-1. Lower thread counter................................ |
18 |
4-3-2. Thread trimming counter......................... |
19 |
4-3-3. Needle replacement counter .................... |
20 |
4-4. Setting basic functions.................................. |
21 |
4-4-1. Changing the needle stop position.......... |
21 |
4-4-2. Correction sewing....................................... |
22 |
4-4-3. Setting thread wiping................................ |
23 |
4-5. Adjusting the needle up stop position.......... |
24 |
4-6. Resetting all settings to their defaults ........ |
25 |
5. CLEANING...................................................... |
26 |
6. REPLACING THE FIXED KNIFE |
|
AND MOVABLE KNIFE.............................. |
27 |
7. STANDARD ADJUSTMENTS.................. |
28 |
7-1. Adjusting arm thread guide R...................... |
28 |
7-2. Adjusting the presser foot height................. |
29 |
7-3. Adjusting of the feed dog height .................. |
30 |
7-4. Adjusting the feed dog angle ........................ |
30 |
7-5. Adjusting the needle bar height................... |
31 |
7-6. Adjusting the needle and feed |
|
mechanism timing ........................................ |
31 |
7-7. Adjusting the needle and rotary hook |
|
timing............................................................. |
32 |
7-8. Adjusting the rotary hook lubrication |
|
amount .......................................................... |
33 |
8. TROUBLESHOOTING................................ |
34 |
|
8-1. |
Sewing ........................................................... |
34 |
8-2. |
Error code displays ....................................... |
38 |
9. 7-SEGMENT DISPLAY............................... |
42 |
S-7100A
S-7100A
1. MACHINE SPECIFICATIONS
|
3 |
4 |
Quick reverse |
○ |
○ |
Thread wiper |
|
○ |
0989D
|
|
3 |
|
3A |
|
5 |
Use |
|
For light to |
|
For medium-weight |
|
For heavy-weight |
|
medium-weight materials |
materials |
|
materials |
||
|
|
|
||||
Max. sewing speed |
|
5,000 sti/min |
|
4,000 sti/min |
||
Sewing speed at the time of shipment |
|
|
4,000 sti/min |
|
||
Start backtacking and continuous |
|
|
220 - 3,000 sti/min |
|
||
backtacking speed |
|
|
|
|
||
|
|
|
|
|
|
|
End backtacking speed |
|
|
1,800 sti/min |
|
||
Max. stitch length |
|
4.2 mm |
|
5 mm |
|
|
Presser foot height |
Lifting lever |
|
|
6 mm |
|
|
Knee lifter |
|
|
13 mm |
|
||
|
|
|
|
|||
Feed dog height |
|
0.8 mm |
|
1.0 mm |
|
1.2 mm |
Needle (DB x 1, DP x 5) |
|
#11 - #18 |
|
#19 - #22 |
||
Motor |
|
|
AC servo motor (4-pole, 450 W) |
|
||
Control circuit |
|
|
|
Microprocessor |
|
1 |
S-7100A |
2. INSTALLATION
CAUTION
Machine installation should only be carried out by a |
Secure the table so that it will not move when tilting |
|
qualified technician. |
back the machine head. If the table moves, it may |
|
Contact your Brother dealer or a qualified electrician |
crush your feet or cause other injuries. |
|
|
||
for any electrical work that may need to be done. |
Use both hands to hold the machine head when |
|
The sewing machine weighs approximately 32 kg |
tilting it back or returning it to its original position. If |
|
only one hand is used, the weight of the machine |
||
(70lb). The installation should be carried out by two |
||
head may cause your hand to slip, and your hand |
||
or more people. |
||
may get caught. |
||
Do not connect the power cord until installation is |
||
|
||
complete. The machine may operate if the treadle is |
|
|
depressed by mistake, which could result in injury. |
|
About the machine set-up location
Do not set up this sewing machine near other equipment such as televisions, radios or cordless telephones, otherwise such equipment may be affected by electronic interference from the sewing machine.
The sewing machine should be plugged directly into an AC wall outlet. Operation problems may result if extension cords are used.
0475D
Carrying the machine
The sewing machine should be carried by the arm and the motor cover by two people as shown in the illustration.
*Do not hold by any part other than the motor cover. If this is not observed, it may result in damage to the sewing machine.
0476D
Tilting back the machine head
Hold section (A) with your foot so that the table does not move, and then push the arm with both hands to tilt back the machine head.
2101B
Returning the machine head to the upright position
1.Clear away any tools, etc. which may be near the table holes.
2.While holding the face plate with your left hand, gently return the machine head to the upright position with your right hand.
2089M
S-7100A |
2 |
2. INSTALLATION
The top of the table should be 40 mm in thickness and should be strong enough to hold the weight and with-stand the vibration of the sewing machine.
Drill holes as indicated in the illustration below.
Head rest hole |
Cotton stand hole |
Cord hole
Control box mounting hole
0592D
1. Control box + Oil pan
(1) Control box
(2) Bolts [4 pcs]
(3) Nuts [4 pcs]
(4) Spring washers [4 pcs]
(5) Washers [4 pcs]
2. Connecting rod
(6) Connecting rod
(7) Nut
0478D
3 |
S-7100A |
2. INSTALLATION
3. Rubber cushions
(1)Rubber cushions [2 pcs]
(2)Nails [4 pcs]
(3)Head cushions (left) [2 pcs]
(4)Head cushions (right) [2 pcs]
0479D
4. Machine head
(1)Hinges [2 pcs]
(2)Machine head
(3)Head rest
NOTE:
Bind the cords together and pass them through the cord hole
Tap the head rest (3) securely into the table hole. If the head rest (3) is not pushed in as far as it will go, the machine head will not be sufficiently stable when it is tilted back.
0480D
S-7100A |
4 |
2. INSTALLATION
0481D 5. Knee lifter plate
<Knee lifter adjustment>
1. Turn the machine pulley so that the feed dog is below the top of the needle plate.
2. Lower the presser foot (1) by using the lifting lever (2).
3. Loosen the nut (3).
4. Turn the screw (5) to adjust so that the amount of play in the knee lifter is approximately 2 mm when the knee lifter plate (4) is gently pressed.
5. Securely tighten the nut (3).
6. Loosen the nut (6).
7. Turn the adjusting screw (8) to adjust so that the presser foot (7) is at the desired position within a distance of 13 mm of the needle plate when the knee liter plate is fully pressed.
8. After adjustment is completed, securely tighten the nut
(6).
Within 13 mm
0482D
5 |
S-7100A |
2. INSTALLATION
CAUTION
Do not connect the power cord until lubrication has been completed, otherwise the machine may operate if the treadle is depressed by mistake, which could result in injury.
Be sure to wear protective goggles and gloves when handling the lubricating oil, so that it does not get into your eyes or onto your skin.
If care is not taken, inflammation can result. Furthermore, do not drink the lubricating oil. Diarrhea or vomiting may result.
Keep the oil out of the reach of children.
When cutting the nozzle of the oil tank, hold the base of the nozzle securely.
If you hold the end of the nozzle, injury from the scissors may result.
The sewing machine should always be lubricated and the oil supply replenished before it is used for the first time, and also after long periods of non-use.
1. Hold the base of the nozzle of the accessory oil tank (1), and use scissors to cut about half-way along the straight section (A) of the nozzle.
2. Loosen and remove the nozzle, and then remove the seal
(2).
3. Tighten the nozzle.
4. Tilt back the machine head.
5. Remove the rubber cap (3), and pour lubricating oil into the oil tank (4) until it reaches the upper reference line (5). (Approx. 150 ml)
6. Replace the rubber cap (3).
7. Return the machine head to its original position.
NOTE:
When the machine head is tilted back at times such as the following, lubricating oil may leak out from the oil pan (6). 1) If the machine head is tilted back immediately after
sewing;
2) If the machine head is tilted back a long way when the head rest has been removed;
3) If lubricating oil is added until the oil level goes above the upper reference line (5) on the oil tank (4).
<Lubrication oil replenishment interval>
If the oil level drops below the lower reference line (7) on the oil tank (4), be sure to replenish the oil.
0483D
S-7100A |
6 |