Brother BAS-342F Owner's Manual
KE-434C
INSTRUCTION MANUAL
KE-435C
Please read this manual befor e using the machine.
Please keep this manual within easy reach for quick reference.
ELECTRONIC LOCKSTITCH PATTERN TACKER
ELECTRONIC LOCKSTITCH PATTERN TACKER WITH STEPPING FOOT
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 it correctly.
SAFETY INSTRUCTIONS
1. 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
The instructions which follow this term indicate situations where failure to follow the
instructions will almost certainly result in death or severe injury.
CAUTION
Symbols
···········
···········
···········
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.
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”.)
i
KE-434C,435C
2. Notes on safety
Wait at least 5 mi nu tes af ter turning off the power switch and d is connecting the power cord from the wall outlet before
opening the face plate of the control box. 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 highfrequency 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 pneumatic delivery capability should be greater
than the requirements for the sewing machine’s total
air consumption.
Insufficient pneumatic delivery capability may cause
problems with correct operation.
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 56 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.
Hold the machine head with both hands when tilting it
back or returning it to its original position.
Furthermore, after tilting back the machine head, do
not push the face plate side or the pulley side from
above, as this could cause the machine head to
topple over, which may result in personal injury or
damage to the machine.
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 operatio n.
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 proble ms with correct operatio n.
All cords should be se cured at le ast 25 mm aw ay from
any moving parts. Furthermore, do not excessively
bend the cords or secure them too firmly with staples,
otherwise there is the danger that fire or electric
shocks could occur .
Install the belt covers to the machine head and motor.
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 lubr ic ati ng oil and grea se , so that they do
not get into your eyes or onto your skin, otherwise
inflammation can resu lt.
Furthermore, do not drink the oil or eat the grease
under any circu ms ta nce s, as they can ca us e vom iti ng
and diarrhoea.
Keep the oil out of the reach of children.
KE-434C,435C
ii
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 off the power.
If this is not done, the wiper may strike the needle,
which might cause the nee dl e to br ea k.
Turn off the power switch at the following times,
otherwise the machine may operate if the foot switch
is depressed by mistake, which could result in injury.
• When threading the needle
• When replacing the needle and bobbin
• W hen not using t he machine and when leaving the
machine unattended
Cleaning
Set the needle to the needle up stop position before
turning off the power.
If this is not done, the wiper may strike the needle,
which might cause the nee dl e to br ea k.
Turn off the power switch before carrying out
cleaning, otherwise the machine may operate if the
foot switch is depressed by mistake, which could
result in injury.
If using a work table which has casters, the casters
should be secured in such a way so that they cannot
move.
Attach all safety devices before using the sewing
machine. If the m ac hi ne is us ed without these dev ic es
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 erro r occurs in ma chine operat ion, 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 lubr ic ati ng oil and grea se , so that they do
not get into your eyes or onto your skin, otherwise
inflammation can resu lt.
Furtherm ore, 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 off the power.
If this is not done, the wiper may strike the needle,
which might cause the nee dl e to br ea k.
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 depressed by mistake, which could result in injury.
• When carrying ou t ins pec ti on , ad ju s tmen t and ma in tenance
• W hen replacing consu mable parts such as the rotary hook
Disconnect the air hoses from the air supply and wait
for the need le on the pressur e gauge to drop to “0 ”
before carrying out inspection, adjustment and repair
of any parts which use the pneumatic equipment.
iii
KE-434C,435C
If the power switch and air need to be left on when
carrying out some adjustment, be extremely careful to
observe all safety precautions.
Hold the machine head with both hands when tilting it
back or returning it to its original position.
Furthermore, after tilting back the machine head, do
not push the face plate side or the pulley side from
above, as this could cause the machine head to
topple over, which may result in personal injury or
damage to the machine.
Use only the proper replacement parts as sp ecifi ed by
Brother.
If any safet y devices have been removed, be absolutely sure to re-install them to their original positions
and check that they opera te correctly before usi ng the
machine.
Any problems in machine operation which result from
unauthori zed modific ations to the machine wil l not be
covered by the warranty.
3. Warning lab e ls
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
Safety devices
Eye guard
Finger guard
3
High temperature warning display
Thread take-up cover
Thread take-up solenoid cover
Belt cover
Frame side cover, etc.
4
5
Thread take-up
solenoid cover
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
Thread take-up
cover
Frame
side cover
Belt cover
2592Q
Eye guard
Finger guard
KE-434C,435C
2743Q
iv
CONTENTS
1. NAME OF EACH PART .............................. 1
2. SPECIFICATIONS ...................................... 2
2-1. Specifications......................................................... 2
2-2. Examples of sewing patterns................................. 3
3. INSTALLATION .......................................... 4
3-1. Power table............................................................ 4
3-2. Installing the co ntrol box........................................ 5
3-3. Installing the rubber cushions................................ 6
3-4. Installing the oil pan............................................... 6
3-5. Installing the cush io ns............................................ 6
3-6. Installing the switching plate.................................. 7
3-7. Installing the machine head................................... 7
3-8. Installing the head rest........................................... 8
3-9. Installing the liquid cooling tank, optional............... 8
3-10. Installing the operation panel............................... 9
3-11. Connecting the ground wire................................. 9
3-12. Connecting the cords.......................................... 10
3-13. Piping (for pneumatic)......................................... 13
3-14. Installing the belt cov er....................................... 16
3-15. Installing the foot switch...................................... 16
3-16. Installing the ne edl e sub plat e............................ 17
3-17. Installing the spoo l sta nd....................................18
3-18. Installing the eye guar d.......................................18
4. LUBRICATION........................................... 19
4-1. Lubrication points.................................................. 19
5. OPERATION.............................................. 20
5-1. Name and function of each operation panel item ..... 20
5-2. Operating procedure............................................. 22
5-3. Operating the foot switch......................................24
5-4. Operating the emerge ncy stop switch................... 25
5-5. Operating the thread wiper switch (KE-435C)....... 25
6. CHECKING THE SEWING PATTERN........ 26
7. CORRECT USE......................................... 27
7-1. Selecting the needle and thread...........................27
7-2. Installing the needle.............................................. 27
7-3. Threading the upper thread .................................. 27
7-4. Winding the lower thread...................................... 28
7-5. Replacing the bobbin case and
threading the thread..............................................29
7-6. Thread tension...................................................... 29
8. SEWING .................................................... 32
9. MAINTENANCE AND INSPECTION.......... 33
9-1. Checking the needle.............................................33
9-2. Cleaning the rotary hook....................................... 33
9-3. Lubrication............................................................ 34
9-4. Draining the oil...................................................... 35
9-5. Cleaning the control box air inlet port.................... 35
9-6. Cleaning the air holes of belt cover
and frame side cover............................................ 35
9-7. Cleaning the eye guard......................................... 35
KE-434C,435C
10. STANDA R D ADJUST MEN T S...................36
10-1. Adjusting the needle bar height...........................36
10-2. Adjusting the needle bar lift amount ....................36
10-3. Adjusting the driver needle guard........................37
10-4. Adjusting the needle clearance...........................37
10-5. Adjusting the shuttle race thread guide ...............37
10-6. Adjusting the thread take-up amount...................38
10-7. Adjusting the movab le kn ife.................................39
10-8. Adjusting the work clamp lift amount...................42
10-9. Work clamp interchangeability.............................43
10-10. Adjusting the needle up stop position................43
10-11. Adjusting the thread wiper.................................4 4
10-12. Checking the inp ut se nso r and DIP swit ch in put.....45
10-13. Checking the input voltage................................46
10-14. Clearing all memory settings.............................46
10-15. Moving stitch patterns.......................................47
10-16. Adjustment of air pressure (for pneumatic)........48
10-17. Adjustment of inner clamping device.................48
10-18. Work clamp adjustment (KE-435C)...................49
10-19. Changing the work clamp lift (KE-435C)............49
11. USING THE COUNTERS.........................50
11-1. Using the bobbin thread counter .........................50
11-2. Using the production counter...............................50
12. CHANGING FUNCTIONS USING
THE DIP SWITCHES................................
12-1. Operation panel DIP switches.............................51
12-2. DIP switches inside the control box.....................52
12-3. Using user programs...........................................53
51
13. CHANGING SPECIAL FUNCTIONS
USING THE MEMORY SWITCHES
13-1. Using the cycle sewing function..........................58
.........55
14. SETTING THE WORK CLAMP MODE.....60
14-1. Setting solenoid work clamp mode......................60
14-2. Setting pneumatic work clamp mode...................60
14-3. Light work clamp.................................................62
14-4. Setting reverse work clamp mode.......................63
15. TABLE OF ERROR CODES....................64
16. GAUGE PARTS LIST ACCORDING TO
SUBCLASSES.........................................
66
17. MAKING THE FEED PLATE A ND WORK CLAMP
PLA TE FOR INNER CLAMPING DEVICE
17-1. Sewing area........................................................69
17-2. How to make a sewing pattern............................69
17-3. How to make the feed plate.................................70
17-4. How to make the work clamp plate ......................71
17-5. Replacing the work clamp crank and work clamp
plate holder..........................................................72
.........69
18. TROUBLESHOOTING .............................73
19. OPTIONAL PARTS ..................................76
1. NAME OF EACH PART
2593Q
1. NAME OF EACH PART
2594Q
KE-435C
0298Q
2476Q [KE-434C/Solenoid specifications]
Specifications with inner clamping device
(1) Power switch
(2) Control box
(3) Operation panel
(4) Foot switch
(5) Motor
(6) Tension release lever
(7) EMERGENCY STOP switch
(8) Pulley
(9) Spool stand
(10) Thread take-up lever
(1 1) Wiper solenoid cover
(12) Thread wiper switch
Specifications with inner clamping device
Safety devices;
(13) Finger guard
(14) Eye guard
(15) Thread take-up cover
(16) Belt cover
(17) Frame side cover
(18) Thread take-up solenoid cover
2477Q
[KE-434C/Pneumatic specifications]
KE-434C,435C
1
2. SPECIFICATIONS
2. SPECIFICATIONS
2-1. Specifications
12 Medium materials
Heavy materials
KE-434C
Electronic lockstitch pattern tacker
Stitch formation Single needle lock stitch
Maximum sewing speed 2,500 rpm (Pitch 3 mm)
Maximum pattern size 100 × 60 mm max.
Feed mechanism R-θ intermittent feed mechanism (pulse-motor driven mechanism)
Stitch length 0.1 - 10.0 mm
Number of stitches Variable
Maximum stitch number 20,000 stitches (including 10,000 stitches which can be added)
Work clamp lifter Solenoid type or pneumatic type
Work clamp height
Rotary hook Shuttle hook (shuttle hook 2, opt io nal )
Wiper device Standard equipment
Thread trimmer device Standard equipment
Thread take-up device Standard equipment
Stepping foot lift amount 18 mm
17 mm max. (for solenoid), 25 mm max. (for pneumatic)
(Max. 17 mm for inner clamping device)
Electronic lockstitch pattern tacker
KE-435C
with stepping foot
Stepping foot stroke 0 mm, 3 - 8 mm
Safety device built-in stopping mechan is m
Data storage method P-ROM (Any sewing pattern can be added using PS-3000.)
Number of user programs 16
Number of cycle programs 4
Number of stored data
Motor Three-phase 400W induction motor
Weights
Power source
[Main use]
Patterns up to a maximum size of 100 mm × 60 mm can be sewn.
For plain stitching of smal l artic l es, curtain darts, etc.
Two-stage work clamp, light work clamp and inner clamping device can be used (for pneumatic).
For attaching items, sewing labels, etc.
If you want to sew a pattern, you can create your original pattern using the PS-3000.
Consult with your local Brother Sales Office for details.
Up to 100 patterns can be added. Total number of stitches of stored data
which can be added is within 10,000.
Machine head: 56 kg, Operation panel: 0.6 kg,
Control box: 9 - 19 kg (depending on destination)
Single-phase 110, 220 - 230, 240V
3-phase 220-230, 380, 400V
Maximum electric power consumption; 600VA
2
KE-434C,435C
2. SPECIFICATIONS
2-2. Examples of sewing patterns
The following are examples of possible patterns.
Sewing patterns
0301Q 0302Q 0303Q
Uses Decorative tacking Triangular chain tacking Rectangular decorative tacking
Number of stitches 42 98 28
Sewing patterns
0304Q 0305Q
Uses Cross tacking Open cross tacking Buckle stitc hing
Number of stitches 56 42 56
Sewing patterns
0307Q 0308Q 0309Q
Uses Square tacking Bullet-nose tacking Round tacking
Number of stitches 63 42 63
Sewing patterns
0306Q
0310Q 0311Q 0312Q
Uses Heart-shaped tacking Half-moon tacking L-shaped tacking
Number of stitches 70 64 28
Note when creating additional data
When sewing data with a small number of stitches (15 stitches or less) is sewn repeatedly (short cycle operation), the upper
shaft motor may overheat and the “E-20” error code may be generated.
KE-434C,435C
3
3. INSTALLATION
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 56 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.
Hold the machine head with both hands when tilting it
back or returning it to its original position.
Furtherm ore, after tiltin g back the machine head , do
not push the face plate side or the pulley side from
above, as this could cause the machine head to
topple over, which may result in personal injury or
damage to the machine.
3-1. Power table
• Use the power table which has been specially designed for each
sewing machines.
* If using a commercially-available table, process it as shown in
the illustration below .
All cords should be secured at least 25 mm away from
any moving parts. Furthermore, do not excessively
bend the cable or secure it too firmly staples,
otherwise there is the danger that fire or electric
shocks could occur .
Be sure to connect the ground. If the ground
connectio n is no t sec ur e, you r un the risk of rec eiv ing
a serious electric shock, and problems with correct
operation may also occur .
Install the belt covers to the machine head and motor.
Model code
Table/ legs assembly 127-V30-50001
Note:
The thickness of the table should be at least 40 mm, and it should be strong enough to bear the weight and vibration of the
sewing machine.
If the distance A between the insides of the legs is le s s th an 74 0 mm, move the contro l b ox installation po si ti on to the left (B
= 247 mm).
Check that the control box is at least 10 mm away from the leg. If the control box and leg are touching, it could cause the
sewing machine to operate incorrectly.
2739Q
4
KE-434C,435C
3-2. Installing the control box
Check that the IM sticker is attached to the side of the control box (in the position shown in the illustration).
(KE series machine heads can only be used with cont rol boxes which have the IM sticker attached.)
Spacers
Flat washers
Nuts
3. INSTALLATION
2454Q
1. Remove the 12 screws (1), and then open the covers (panel mounting assembly (2) and main P.C. board mounting plate
(3)).
Note:
When opening the cover, hold it securely so that it does not fall down.
2. Install the control box with the four accessory bol ts (4), sp ac ers (5), flat washers (6) and nuts (7) as shown in the illu str ation
above.
* Use two nuts (7) at each installation location, and make sure that both nuts are tightened.
3. Close the covers (panel mounting assembly (2) and main P.C. board mounting plate (3)), and tighten them with the screws
(1).
* The main P.C. board mounting pl ate (3) will b e ope ned agai n du ri ng “3-12. C onn ectin g the cor ds”, so provi siona lly t igh ten
it with the screw (1).
4. Install the power switch (8) with the two screws (9).
5. Secure the power switch cord w ith the three st apl es (10).
KE-434C,435C
5
3. INSTALLATION
3-3. Installing the rubber cushions
3-4. Installing the oil pan
Install the rubber cushions (1) with the nails (2).
* Install so that the head of the nail does not protrude from the
rubber surface
2489Q
2490Q
2491Q
1. Insert the tabs of the oil pan (2) into the holes for the
cushions (1), and then secure it in place with the five nails
(3) so that the oil pan (2) is not at an angle.
2. While pushing the oil pan (2) down from above, screw in the
oil container (4).
3-5. Installing the cushions
6
Place the two cushions (1) into the holes in the work table so
that the notches are aligned with the tabs in the oil pan, and
secure them in place with the nails (2).
2492Q
KE-434C,435C
3-6. Installing the switching plate
3. INSTALLATION
Install the switching plate (1) to the work table with the two wood
screws (2) in the position shown in the illustration.
* The switching plate and the switch bracket which is attached to
the machine head prevent the sewing machine from starting
when the machine head is tilted back. Therefore, this means
that the sewing machine will not start if the switching plate is
not installed.
2493Q
3-7. Installing the machine head
2494Q
Fig. 1
2495Q 2496Q
1. Insert the head hinges (1) into the machine head so that they are parallel, and then secure them with the two set screws (2).
2. Place the machine head gently on top of the rubber cushions (3) and cushions (4).
Note:
Pull the cords (5) out as shown in the illustration above in order to prevent them from being clamped by the machine head.
3. Install the hinge presser (6) with the two bolts and two nuts.
4. Check that the head position switch is turned on as shown in Figure 1.
5. Connect the motor cord connector (7) to the accessory cord connector (8).
KE-434C,435C
7
3. INSTALLATION
3-8. Installing the head rest
2497Q
3-9. Installing the liquid cooling tank, optional
Tap the head rest (1) into the table hole.
Note:
Tap the head rest securely into the table hole.
1. Remove the rubber plug, and then push the liquid cooling tank
(1).
2. Tighten it with the set screw (2).
2498Q
8
KE-434C,435C
3-10. Installing the operation panel
The operation panel can be installed to either the top or bottom of the work table.
Top of work table Bottom of work table
Table
2 - 2.5mm
3. INSTALLATION
2500Q
Table
Rubber sheet
2499Q
1. Install the rear frame (1) to the work table (top or bottom) with the four wood screws (2).
* At this time, tighten the wood screws (2) until the thickness of the rubber sheet is 2 to 2.5 mm.
2. Install the front frame (3) to the rear frame (1) with the four screws (4).
* The vertical orientation of the front frame (3) is the same whether it is installed to the top or the bottom of the work table.
3. Insert the connector cord (5) into the control box through the hole at the side of the box. Refer to “3-12. Connect ing the cords” for
details on connecting the cord.
4. Secure the connector cord (5) with the staples (in three places).
0419Q
3-11. Connecting the ground wire
CAUTION
Be sure to connect the ground. If the ground connection is not secure, you run the risk of receiving a serious electric shock,
and problems with correct operation may also occur.
Connect to the power switch. However, the
black wire is insulated to the inside of the
box and is not used.
2741Q
Connect to ground
KE-434C,435C
9
3. INSTALLATION
3-12. Connecting the cords
2502Q
2503Q 2504Q
10
2744Q
KE-434C,435C
3. INSTALLATION
1. Gently tilt back the machine head.
Note:
After tilting back the machine head, do not push the face side or the pulley side from above.
2. Pass the cord bundle (1) from the machine head through the hole (2) in the work table.
3. Gently return the machine head to its original position.
4. Remove the six screws (3), and then open the control box cover (main P.C. board mounting plate (4)).
Note:
When opening the cover, hold it securely so that it does not fall down.
5. Loosen the two screws (5), and then open the cord presser plate (6) in the direction of the white arrow and pass the cord bundle
(1) through the opening.
6. Remove the screw (7), and then pass it through the terminal holes in the ground cord (8) from the machine head and the ground
cord (9) from the operation panel. Then re-tighten the screw (7) so that the ground cords (8) and (9) are secured as shown in the
illustration.
7. Remove the screw (10) , and then pass it through the terminal hole in the ground cord (11) from the upper shaft motor. Then retighten the screw (10) so that the ground cord (11) is secured as shown in the illustration.
Note:
Make sure that the ground connections are secure in order to ensure safety.
8. Securely connect connectors P1 to P8, P11, P14 (for pneumatic) and P18 as indicated in the table below.
Note:
Check that the connector is facing the correct way, and then insert it firmly until it locks into place.
Furthermore, lock the cord clamp at the top.
Machine head connectors
Connection location No. of pins Cord mark
Head position switch 9-pin [1A] P1 - A (ORG1) None
X, Y, Sewing sensor 12-pin [1] P1 - B (ORG2) None
Synchronizer 5-pin [2] P2 (SYNCHRO) (G)
Machine specification
select connector
Thread wiper solenoid*
Thread take-up solenoid
Presser solenoid
Thread trimmer solenoid
Pulse motor, Y 4-pin (blue) [6] P6 (YPM) (G) (H)
Pulse motor, X 4-pin [7] P7 (XPM) (G) (H)
Operation panel 26-pin None P8 (PANEL) None
Upper shaft motor 3-pin None P11 (UVW) (A)(B)(C)(D)(E)(F)
EMERGENCY STOP switch 6-pin [18] P18 (HEAD) None
Solenoid valve (for pneumatic) 12-pin None P14 (AIR) (A)(B)(C)(D)
* Provided as an option for solenoid specifications.
8-pin [3] P3 (SELECT) None
5-pin [4] P4 (SOL2) (G) (H)
4-pin [5] P5 (SOL) (G) (H)
Connection location
on circuit board
Cord clamps used
9. Secure the cord bundle (1) with the cord clamps (12) and (13).
10. Close the cord presser plate (6) in the direction of the black arrow, and secure it by tightening the screws (5).
Note:
Check that the cords do not get pulled when the machine head is tilted back gently.
KE-434C,435C
11
3. INSTALLATION
2479Q
2595Q 2596Q
2544Q 2597Q
11. Replace PROM control assembly with one which contains sewing data.
1)Use the special tool to remove the PROM control assembly (14) from the PROM socket (15).
* Store the removed PROM control assembly in the special case provided.
2)Bend the pins of the PROM control assembly which contains sewing data (16) so that they are at an angle of approximately
90°.
3)Make the directions of the PROM control assembly (16) and the PROM socket (15) same so that the portions (a) come on the
same side, and press the PROM gently into the socket while checking that the pins of the PROM are going into the socket
properly.
Note:
• If the PROM has been replaced, press the RESET switch (17) while turning on the power in order to initialize the memory.
All of the user programs, cycle programs and memory switches which have been recorded will then be cleared.
• The PROM which is installed at the time of shipment from the factory does not include any sewing data. If you try to change
the program number without replacing the PROM, error “E-b1” will be displayed.
To create sewing data, use the PS-3000 electronic pattern sewer/reader (sold separately).
12. Tighten the cover (main P.C. board mounting plate (4)) with the six screws (3).
Note:
Check that the cords do not come into contact with the fan (18) and that they are not clamped by the cover at this time.
Note:
Check that the main PROM (
) is version MN-G or later.
*
12
KE-434C,435C
3-13. Piping (for pneumatic)
3. INSTALLATION
0746Q
Cylinder L
0319Q
Pneumatic work clamp
[KE-434C]
Upper knob
Cylinder R
Lower knob
Switc h
Reversal
cylinder
Reverse work clamp
[KE-435C]
0023Q
Stepping cylinder
Cylinder L
0433Q 0434Q
Cylinder R
Upper knob
Lower knob
Switch
Connect air tubes in accordance with the identified numbers in the figure.
* Light work clamp mode can be used by changing over the air tube connections.
(Refer to “14. Setting the work clamp mode”.)
KE-434C,435C
13
3. INSTALLATION
3-13-1. Installing the air uni t
Make sure that the air unit does not touch the control box or the work table leg.
2480Q 1093Q
Fig. 1
2481Q
2598Q
<When installing to the underside of the work table>
1. Remove the two screws (1) and the valve setting plate (2).
2. Turn the valve setting plate (2) u pside down, and install it to the u nderside of the work table using the two wood screws (3) and
washers (4) which are provided as accessories.
* At this time, install the valve setting plate (2) in a position where it will not be in the way when using the machine. (The
recommended installation position is shown in Figure 1.)
3. Install the ground cord (5) to the machine head.
4. Install the air unit (6) to the valve setting plate (2) with two screws (1).
5. Connect the air hose (7).
6. Adjust the air pressure. (Refer to “10-16. Adjusting the air pressure”.)
<When installing to a beam>
1. Make holes in the beam as shown in the illustration above. (Button hole diameter is 5.4 mm.)
Pneumatic work clamp ...... Pitch 50 mm Reverse work clamp ...... Pitch 120 mm
2. Install the air unit (8) to the beam with two accessory screws (9) and two bolts (10).
3. Install the ground cord (11) to the machine head.
4. Connect the air hose (12).
5. Adjust the air pressure. (Refer to “10-16. Adjusting the air pressure”.)
14
KE-434C,435C
3. INSTALLATION
3-13-2. Adjusting the speed c ontrol ler
The speeds at which the work clamps are raised and lowered can be adjusted by loosening or tightening the valve control knobs.
The speeds should be adjusted to speeds which are suitable for the intended application.
• If the upper control knob is tightened, the raising speed becomes slower; if it is loosened, the raising speed becomes faster.
• If the lower control knob is tightened, the lowering speed becomes slower; if it is loosened, the lowering speed becomes faster.
• When the power is turned off, the work clamps can be operated by pressing the switch.
Note:
Pneumatic work clamp (KE-434C)
Adjust the control knobs so that the left and right work clamps both operate at the same speed. (Valve 1 and 2)
Reverse work clamp (KE-434C)
First, adjust the speed for the reverse work clamp. (Valve 1)
Next, turn on the power and then adjust the speed of the left work clamp. (Valve 2)
Adjust the control knobs so that the lowering speed of the left work clamp becomes faster than that of the reverse work clamp
and the raising speed of it becomes slower than that of the reverse work clamp.
Next, adjust the control knobs so that the reverse work clamp operates more quickly. (Valve 3)
Stepping work clamp (KE-435C)
Adjust the control knobs so that the left and right work clamps both operate at the same speed. (Valve 1 and 2)
Adjust the control knobs so that the stepping work clamp operates more quickly. (Valve 3)
KE-434C,435C
15
3. INSTALLATION
3-14. Installing the belt cover
1. Loosen the screw (2) of the upper cover (1).
2. Insert the belt cover (3) in the dir ection of the arro w, and then
secure it with the two screws (2) and the two screws (4).
Check that the cords do not get clamped by the belt cover at
this time.
* It is not necessary to remo ve the belt cover (3) when tilting
back the machine head.
2456Q
3-15. Installing the foot switch
2507Q
[A]
[B]
2506Q
1. Insert the connector of the foot switch (3) into the connector (2) of the control box (1).
2. Install the foot switch (3) to the work table leg (12) with foot switch support plate A (4), foot switch support plate C (5), the bolt (6),
spring washer (7), flat washer (8), bolt (9), spring washer (10) and flat washer (11) as shown in Figure A.
2508Q
If foot switch support plate B (13) is used in a back-to-front position, it can be used as shown in Figure B.
1. Remove the screw (14) and rubber plug (15).
* Note that the spring (16) will come out when the screw (14) is removed.
2. Turn foot switch support plate B (13) back to front, and then install it with the bolt (17), spring washer (18) and flat washer (19) as
shown in Figure B.
Note:
If using the foot switch without installing it to the work table leg, move the foot switch at least 10 mm away from the leg. If the
foot switch is not fully in contact with the work table leg when the foot switch is used, for example, if it is just hooked loosely onto
the work table leg, it may cause the sewing machine to operate incorrectly.
If using the two-pedal foot switch as an option for solenoid specifications, change the setting of DIP s witch A on the operation
panel while referring to “Setting the work clamp mode” on page 60.
16
KE-434C,435C
3-16. Installing the needle sub plate
3. INSTALLATION
2599Q
1. Install the four needle sub plate supports (1) with the four
screws (2).
2. Insert the needle sub plate (3) f rom the front of the machine
so that it is level.
Note:
Insert the needle sub plate (3) so that the X feed lever cap
(4) sits on top of the needle sub plate (3).
3. Install the needle sub plate (3) with the four screws (5).
4. Loosen the screws (2) and make fine adjustments to the
height of the needle sub plate (3) so that it is at the same
height as the needle plate (6).
2600Q
2601Q
5. Provisionally secure the two auxiliary plate supports (7) with
the washers (8) and the screws (9) and (10), and then firmly
tighten the screws (9) and (10) in that order.
KE-434C,435C
17
3. INSTALLATION
3-17. Installing the spool stand
3-18. Installing the eye guard
Assemble the spool stand (1) while referring to the spool stand
instruction manual, and then install the spool stand (1) at the right
side of the work table.
2509Q
CAUTION
Attach all safety devices before using the sewing machine.
If the machine is used without these devices attached, injury may result.
Install the eye guard assy (2) to the face plate (1) with the two
screws (3).
2510Q
18
KE-434C,435C
4. LUBRICATION
4. LUBRICATION
CAUTION
Turn off the power switch before starting lubricating, otherwise the machine may operate 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 1: 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.
Note 2: Be sure to let the machine operate for a while after adding the oil.
Note 3: If there is no more oil on the felt of the shuttle race base, problems with sewing may result, so add oil to the felt until it is
Note 4: Use only specified Brother oil (Nisseki Mitsubishi Sewing Lube 10N;VG10) for the machine oil.
4-1. Lubrication points
slightly soaked.
1. Fill the arm-side oil tank with oil. 2. Fill the bed-side oil tank with oil
2512Q 2513Q
3. Add oil to the felt (1) of the shuttle race base.
* W hen setting up the sewing machine and when it hasn’t
been used for an extended period of time, be sure to add
2-3 drops oil to the felt.
4. If using the liquid cooling tank (2), fill it with silicon oil (100
2
mm
/s).
0325Q2457Q
KE-434C,435C
19
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