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Brother KE-434C Instruction Manual

E series electronic lockstitch pattern tacker electronic lockstitch pattern tacker with stepping foot.
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KE-434C
KE-435C
Please read this manual before using the machine.
Please keep this manual within easy reach for quick reference.
ELECTRONIC LOCKSTITCH PATTERN TACKER
ELECTRONIC LOCKSTITCH PATTERN TACKER WITH STEPPING FOOT
INSTRUCTION MANUAL

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Table of Contents

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   Summary of Contents for Brother KE-434C

  • Page 1 KE-434C INSTRUCTION MANUAL KE-435C Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. ELECTRONIC LOCKSTITCH PATTERN TACKER ELECTRONIC LOCKSTITCH PATTERN TACKER WITH STEPPING FOOT...
  • Page 2: Safety Instructions

    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.
  • Page 3: Notes On Safety

    Furthermore, do not excessively bend the cords or secure them too firmly with staples, Contact your Brother dealer or a qualified electrician otherwise there is the danger that fire or electric for any electrical work that may need to be done.
  • Page 4 Ask your Brother dealer or a qualified electrician to carry out any maintenance and inspection of the Hold the machine head with both hands when tilting it electrical system.
  • Page 5: 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. Safety devices...
  • Page 6: Table Of Contents

    9-4. Draining the oil............35 plate holder............72 9-5. Cleaning the control box air inlet port....35 18. TROUBLESHOOTING ......9-6. Cleaning the air holes of belt cover and frame side cover ..........35 19. OPTIONAL PARTS ........9-7. Cleaning the eye guard......... 35 KE-434C,435C...
  • Page 7: Name Of Each Part

    1. NAME OF EACH PART 1. NAME OF EACH PART 2593Q 2594Q KE-435C 0298Q Specifications with inner clamping device [KE-434C/Solenoid specifications] 2476Q (1) Power switch (2) Control box (3) Operation panel (4) Foot switch (5) Motor (6) Tension release lever...
  • Page 8: Specifications

    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. KE-434C,435C...
  • Page 9: Examples Of Sewing Patterns

    Number of stitches 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...
  • Page 10: Installation

    Furthermore, do not excessively bend the cable or secure it too firmly staples, Contact your Brother dealer or a qualified electrician otherwise there is the danger that fire or electric for any electrical work that may need to be done.
  • Page 11: Installing The Control Box

    * The main P.C. board mounting plate (3) will be opened again during “3-12. Connecting the cords”, so provisionally tighten it with the screw (1). 4. Install the power switch (8) with the two screws (9). 5. Secure the power switch cord with the three staples (10). KE-434C,435C...
  • Page 12: Installing The Rubber Cushions

    3-5. Installing the cushions 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...
  • Page 13: Installing The Switching Plate

    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...
  • Page 14: Installing The Head Rest

    Tap the head rest securely into the table hole. 2497Q 3-9. Installing the liquid cooling tank, optional 1. Remove the rubber plug, and then push the liquid cooling tank (1). 2. Tighten it with the set screw (2). 2498Q KE-434C,435C...
  • Page 15: Installing The Operation Panel

    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. Connect to ground 2741Q KE-434C,435C...
  • Page 16: Connecting The Cords

    3. INSTALLATION 3-12. Connecting the cords 2502Q 2503Q 2504Q 2744Q KE-434C,435C...
  • Page 17 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...
  • Page 18 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. KE-434C,435C...
  • Page 19: Piping (for Pneumatic)

    3. INSTALLATION 3-13. Piping (for pneumatic) 0746Q 0319Q Pneumatic work clamp KE-434C] Upper knob Cylinder R Cylinder L Lower knob Switch Reversal cylinder Reverse work clamp [KE-435C] 0023Q Stepping cylinder Cylinder R Cylinder L Upper knob Lower knob Switch 0433Q 0434Q Connect air tubes in accordance with the identified numbers in the figure.
  • Page 20 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”.) KE-434C,435C...
  • Page 21 • 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.
  • Page 22: Installing The Belt Cover

    If using the two-pedal foot switch as an option for solenoid specifications, change the setting of DIP switch A on the operation panel while referring to “Setting the work clamp mode” on page 60. KE-434C,435C...
  • Page 23: Installing The Needle Sub Plate

    (6). 2600Q 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. 2601Q KE-434C,435C...
  • Page 24: Installing The Spool Stand

    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 KE-434C,435C...
  • Page 25: Lubrication

    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 slightly soaked. Note 4: Use only specified Brother oil (Nisseki Mitsubishi Sewing Lube 10N;VG10) for the machine oil. 4-1. Lubrication points...
  • Page 26: Operation

    (14). The illuminated indicator changes as follows each time the switch is pressed. PROGRAM NO. indicator (7)→X-SCALE indicator (8)→‚ x -SCALE indicator (9)→SPEED indicator (10)→COUNTER indicator(11) (7) PROGRAM NO. indicator ..Illuminates when the SELECT switch (6) is pressed to shown the program number setting. KE-434C,435C...
  • Page 27 (12) DISPLAY SET switches... Used to change the menu details which are displayed in the window (14). (13) User program switches.... Used to set and select user programs. (14) Display window......This display window will indicate the current statu for the selected menu, error or memory switch. KE-434C,435C...
  • Page 28: Operating Procedure

    * The needle racking width for backtack stitches (with stitch widths of 1 mm or less) is not enlarged or reduced. If this results in problems, set memo-0d to “ON”. KE-434C,435C...
  • Page 29 2520Q 2603Q Note: Be sure to check the sewing pattern (refer to page 26) after setting has been completed to make sure that the needle hole does not go out of the area circumscribed by the work clamp. KE-434C,435C...
  • Page 30: Operating The Foot Switch

    The work clamp lowering pattern can be set to a variety of different patterns. (Refer to “14. SETTING THE WORK CLAMP MODE”. When the start switch (right side) is depressed, sewing starts. 1st step 2nd step Start switch Work clamp switch 0330Q KE-434C,435C...
  • Page 31: Operating The Emergency Stop Switch

    5. Once the work clamp has returned to the desired position, depress the foot switch. The sewing machine will then resume sewing. 0093Q 5-5. Operating the thread wiper switch (KE-435C) The thread wiper can be turned on and off using the thread wiper switch (1). 2608Q KE-434C,435C...
  • Page 32: Checking The Sewing Pattern

    You can prevent accidental changes being made to programs by setting DIP switches 7 and 8 to ON. When DIP switch 7 is ON ... The sewing pattern cannot be enlarged. When DIP switch 8 is ON ... The program number cannot be changed. 2459Q KE-434C,435C...
  • Page 33: Correct Use

    * If the tension release lever (1) is raised in the direction of the arrow, it will be easier to open the tension disc (2) and pull the thread through. 2525Q [One hole] [Two holes] Spun rayon yarn 2523Q 2526Q [When using the liquid cooling tank] Synthetic thread Approx. 40mm 0102Q 2524Q KE-434C,435C...
  • Page 34: Winding The Lower Thread

    * If the thread winds on as shown in A, turn the bobbin Case A winder thread tension stud (7) clockwise; if it winds on as shown in B, turn the bobbin winder thread tension stud (7) counterclockwise. Case B 2532Q KE-434C,435C...
  • Page 35: Replacing The Bobbin Case And Threading The Thread

    ← Pre-tension (N) 0.1 - 0.3 0.3 - 0.5 DP × 5 #14 ← DP × 17NY #19 ← Needle The sewing conditions given in the above table may need to be changed depending on the article being sewn. KE-434C,435C...
  • Page 36 Furthermore, turn the thread nut (2) (sub-tension) to adjust the remaining length of upper thread to 35 - 40 mm, when the thread take-up lever is not used. Stronger Weaker Stronger Weaker 2537Q KE-434C,435C...
  • Page 37 2540Q 7-6-8. Thread take-up amount Loosen the screw (1) and move the stopper (3.57 nut) (2) to 2541Q [KE-434C] adjust the operating angle of the thread take-up solenoid (3). [KE-434C] * To reduce the thread take-up amount, move the stopper (2) upward.
  • Page 38: Sewing

    (left side) to lower the work clamp before depressing the start switch (right side) in order to start the machine. 2612Q 4. Once sewing is completed and the thread has been trimmed, feed will move automatically to the next starting point and the work clamp (3) will rise. KE-434C,435C...
  • Page 39: Maintenance And Inspection

    (2) and the shuttle hook (3). 2548Q 3. Clean all the dust and thread ends from around the driver (4), the top of the rotary hook thread guide and the shuttle race. 2549Q KE-434C,435C...
  • Page 40: Lubrication

    Note3: 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 slightly soaked. Note4: Use only specified Brother oil (Nisseki Mitsubishi Sewing Lube 10N;VG10) for the machine oil. 1. Fill the arm-side oil tank with oil.
  • Page 41: Draining The Oil

    In addition, be careful not to let any foreign matter get into the air holes. 2463Q 9-7. Cleaning the eye guard Wipe the eye guard clean with a soft cloth. Note: Do not use solvents such as kerosene or thinner to clean the eye guard. 0128Q KE-434C,435C...
  • Page 42: Standard Adjustments

    Furthermore, after tilting back the machine head, do Ask your Brother dealer or a qualified electrician to not push the face plate side or the pulley side from carry out any maintenance and inspection of the above, as this could cause the machine head to electrical system.
  • Page 43: Adjusting The Driver Needle Guard

    If the shuttle race thread guide is in the wrong position, thread breakages, soiled thread or catching of the thread may occur. The position of the shuttle race thread guide is adjusted at the time of shipment from the factory. It should not be changed if at all possible. KE-434C,435C...
  • Page 44: Adjusting The Thread Take-up Amount

    10. STANDARD ADJUSTMENTS 10-6. Adjusting the thread take-up amount 2560Q [ KE-434C] Thread take-up amount (stroke) Become less Become greater ‘ ½ ‚ - ‚ È ‚ é [ KE-435C] Become greater Become less 2559Q 2614Q At the time of shipment from the factory, the thread take-up amount (stroke) of the thread take-up lever (1) is set to the standard setting of 5 mm.
  • Page 45: Adjusting The Movable Knife

    4. Loosen the nut (6) and move the connecting rod lever (7) to the left or right to adjust so that the V section A is aligned with the index mark B on the needle plate when in this condition (the procedure 3.) and the movable knife (5) is pushed to the machine pulley side so that there is no play. KE-434C,435C...
  • Page 46 5. Install the fixed knife (9) at a distance of 0.5 mm from the needle hole plate (12). 6. Place the thread trimming connecting rod (6) onto the connecting rod lever pin (7), and then install to the needle plate(5). KE-434C,435C...
  • Page 47: Fixed Knife

    C. Loosen the screw. D. Turn the movable knife (in the direction of the arrow) while the screw is still loosened. Repeat above steps A , B, C and D four or five times to maintain the cutting performance of the knife. KE-434C,435C...
  • Page 48: Adjusting The Work Clamp Lift Amount

    * If movement is sluggish when the work clamp (1) is being raised and lowered, it may not be possible to increase the work clamp (1) lift amount. Apply grease to the sliding part of the work clamp (1) (grease is already applied at the time of shipment), and check that the movement becomes easier. KE-434C,435C...
  • Page 49: Work Clamp Interchangeability

    Then, change the installation position for the presser arm assembly (3) from the standard installation position A to installation position B. To use the BAS-311F work clamp and the KE-434C, KE- 435C work clamp interchangeably Use the optional work clamp 434EMK2 air (5) with the KE- 434C, KE-435C work clamp.
  • Page 50: Adjusting The Thread Wiper

    2. Loosen the two bolts (4) and move the wiper solenoid cover (5) up or down so that the thread wiper is approximately 30 mm from the needle when it is at the standby position. KE-434C,435C...
  • Page 51: Checking The Input Sensor And Dip Switch Input

    The DIP switch can be changed at this time without turning off the power so that you can check the DIP switch input. However, you should normally always turn off the power when changing DIP switch settings. 3. Press the TEST switch (2) again to return the display to the normal condition. KE-434C,435C...
  • Page 52: Checking The Input Voltage

    [ Method ] While pressing the RESET switch, turn on the power. This will clear all of the memory setting. Note: This operation causes memory switches to be returned to their initial settings, and user program setting to be cleared. KE-434C,435C...
  • Page 53: Moving Stitch Patterns

    * If you would like to set the feed position to a desired position, carry out steps 2. to 6. above while the display window (6) is flashing. The stitch pattern will not be moved at this time. KE-434C,435C...
  • Page 54: Adjustment Of Air Pressure (for Pneumatic)

    Adjustment of the presser crank horizontal position Loosen the nut (3) and push in or pull out the adjusting bolt (4) so that the presser crank (2) can be horizontal when the reversal cylinder piston rod (1) is moved to the left extreme. 2624Q KE-434C,435C...
  • Page 55: Work Clamp Adjustment (ke-435c)

    If vertical movement of the work clamp is not required 1. Remove the face plate (10). 2. Remove the stud screw (11) and re-attach the stepping connecting rod (12) to the upper screw hole (14) of the stepping work clamp arm (F) (13). 2628Q 2629Q KE-434C,435C...
  • Page 56: Using The Counters

    3. When the foot switch is depressed, the sewing machine will start sewing. 4. If you press the TEST switch (3) or the SELECT switch (1), the display will return to showing the bobbin thread counter. 11. USING THE COUNTERS 2585Q KE-434C,435C...
  • Page 57: Changing Functions Using The Dip Switches

    Displays the enlargement/reduction ratio in millimeter units instead of as a percentage. (After DIPA-6 changing this setting, be sure to carry out the auto-clear operation by referring to page 46.) DIPA-7 Enlargement of pattern size is not available. DIPA-8 Program number is fixed. KE-434C,435C...
  • Page 58: Dip Switches Inside The Control Box

    When the motor operates in reverse to raise the needle, the thread take-up will stop at a position which is lower than its normal stopping position. As a result, the thread take-up will rise slightly at the sewing start, and this may result in the thread pulling out under certain conditions. KE-434C,435C...
  • Page 59: Using User Programs

    Repeat steps 3. through to 11. to record further programs as desired. 12. Press the TEST switch (2). This completes the recording. * The menu indicators ((4) to (8)) will all illuminate and “P1” will appear in the display to indicate that user program No.1 is currently selected. KE-434C,435C...
  • Page 60 If data has been recorded in user programs P1, P2, P3 and P4 and you then clear the data in user program P2, the contents of P3 will be transferred to P2, and the contents of P4 will be transferred to P3. KE-434C,435C...
  • Page 61: Changing Special Functions Using The Memory Switches

    After sewing is finished, the work clamp automatically opens and closes once memo-0F (practice operation). ON for solenoid/heavy material specifications, and “--” for solenoid/medium material specifications -- : OFF ON when the inner clamping device is being used, and “--” at other times KE-434C,435C...
  • Page 62 Enables the fiber-type thread breakage detector (when memo-21 is ON) − memo-27 Stores the amount of parallel movement in memory. memo-28 (Use the memory all clear operation to clear the setting.) memo-29 − memo-2F -- : OFF KE-434C,435C...
  • Page 63 × 10ms memo-41* 1 - 99 Changes the standby time after the stepping foot is raised. For KE-434C solenoid specifications, the work clamp operating mode can be changed. (When set to “0”, the mode is selected − 0 - 10 according to the settings for DIP switches A-1 and A-2.)
  • Page 64: Using The Cycle Sewing Function

    • This completes the setting of cycle sewing program No. 1. * The menu indicators ((4) to (8)) will all illuminate and “c1-1” will appear in the display window (10) to indicate that the cycle sewing program No.1 is currently selected. KE-434C,435C...
  • Page 65 * If you press and hold the RESET switch (12) until after the buzzer has sounded twice, all cycle sewing programs will be cleared. Note: If you clear a user program after any cycle sewing programs have been recorded, all recorded cycle sewing programs will also be cleared. KE-434C,435C...
  • Page 66: Setting The Work Clamp Mode

    When the presser pedal is depressed to the 1st step, both left and right pressers are Two pedals raised simultaneously. When it is pressed to the 2nd step, sewing starts. When the start pedal is depressed, both left and right pressers are lowered simultaneously. Two pedals When the start pedal is released, sewing starts. KE-434C,435C...
  • Page 67 When memo-42 has been used to make a special setting, DIP switches A-1 and A-2 function as follows. • When DIP switch A-1 is at ON, the pressers are not raised automatically at the sewing end. • DIP switch A-2 is ignored except when memo-42 = 8, 11, 12. KE-434C,435C...
  • Page 68: Light Work Clamp

    Branch: 1B mode Plug: 2B Both pressers lower, but only left presser lowers in light work Branch: 2A clamp mode Plug: 1A Both pressers lower, but only right presser lowers in light work Branch: 2A clamp mode Plug: 1A KE-434C,435C...
  • Page 69: Setting Reverse Work Clamp Mode

    However, if making this change to the setting, move the work clamp to the sewing end position (release the air and move the work clamp by hand) to check that the work clamps do not touch the needle. Lift Thickness of material 2630Q KE-434C,435C...
  • Page 70: Table Of Error Codes

    Turn off the power and check the connection of presser E-62 Presser is not raised. sensor connector P1. E-63 Presser cannot be lowered. Turn off the power, and then check if the cooling fan is E-70 Cooling fan does not operate. blocked with scraps of thread. KE-434C,435C...
  • Page 71 Turn off the power and check. If the bobbin thread amount is E-16 Bobbin thread sensor mechanism error not being detected, clear all memory settings and then set the memo-24 switch to OFF. REFERENCE segment LED alphabet Panel display Text display KE-434C,435C...
  • Page 72: Gauge Parts List According To Subclasses

    159612-001 A 154342-001 B S15667-001 LA Bobbin 159613-051 154663-001 B S44633-001 LAN Shuttle hook, W/BOX 152685-903 A 152687-902 B S59161-991 LF S59162-991 LG Shuttle race body 152682-101 A 152686-101 B Spring tension 104525-001 107606-001 S06548-001 C Spring 145519-001 144588-001 B KE-434C,435C...
  • Page 73 Each work clamp pair is used in combination with the feed plate directly below them. • Work clamps R, L and feed plate 153493-001 S23377-001 (519) S27836-001 (895) 156085-001 (M) 153498-001 S23378-001 (519) S27837-001 (895) 156086-001 (M) Work clamp 153503-001 S23379-001 (519) S27838-001 (895) 156087-001 (M) Feed plate KE-434C,435C...
  • Page 74 156083-001 (L) 156089-001 (S) Work clamp 156084-001 (L) 156090-001 (S) Feed plate • Gauge assy, 434E MK2 S54984-001 Home position standard plate • Needle hole plate S10211-001 S51449-001 S41013-001 S29997-001 S10212-101 S30925-001 S10213-001 S30926-001 S49980-001 S30450-001 S25127-001 S34348-001 S40217-001 KE-434C,435C...
  • Page 75: Making The Feed Plate And Work Clamp Plate For Inner Clamping Device

    Align the center point for the top edge of the sewing pattern at point B 3 mm below the center point A at the top edge of the sewing area. * Refer to “Note to sewing” on page 62 for details of the reverse Sewing pattern stitching area. Sewing area 2715Q KE-434C,435C...
  • Page 76: How To Make The Feed Plate

    4. Make the feed plate (1) so that the size overlaps the sizes in 2. and 3. above. * If the size in step 2. is larger than the size in 3., then use the size in step 2. for processing. KE-434C,435C...
  • Page 77: How To Make The Work Clamp Plate

    2. Make the work clamp plate so that it is 1.0 mm smaller than the size of the seam. 3. Make a 1 mm bevel all along the side of the work clamp plate that does not have a ridge line. 4. Then make a step of 0.5 mm as shown in the illustration. KE-434C,435C...
  • Page 78: Replacing The Work Clamp Crank And Work Clamp Plate Holder

    3. Insert the work clamp crank (6) into the work clamp crank holder (2). Then while pulling out the reversal cylinder piston rod (7) (Fig. 1), set the work clamp crank (6) so that it faces as shown in the illustration, align its groove with the washer (8), and then tighten the screw (1) to secure it. KE-434C,435C...
  • Page 79: Troubleshooting

    Refer to “Skipped stitches Refer to “Skipped stitches unthreaded. the sewing start. occur” occur” Uneven upper thread Upper thread length Adjust the sub-tension length. Thread take-up lever Adjust the thread take-up Upper thread is too short. stroke lever stroke. KE-434C,435C...
  • Page 80: Adjust The Needle Bar Lift

    Use the correct needle Needle is too thin. Needle and thread for the material. Adjust the work clamp Inner clamping device Work clamp pressure is pressure so that the inner does not operate. Work clamp pressure too strong. clamping device oper- ates. KE-434C,435C...
  • Page 81: Adjust The Tension And Height Of The Thread Take

    10, 11 operate when power is connection connected. turned foot switch is depressed. Head position switch Adjust the position of the Switching plate position does not work. switching plate. Head position switch is Replace the head posi- broken. tion switch. KE-434C,435C...
  • Page 82: Optional Parts

    Use according to particular sewing needs in order to provide an even clamping force. * Refer to the separate parts book for further details. 0362Q The switch has an independent left work clamp switch (left side), right work clamp switch (center) and start switch (right side). KE-434C,435C...
  • Page 83: Instruction Manual

    INSTRUCTION MANUAL 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone: 81-52-824-2177 Printed in Japan 118-V34 S91V34-202 2002.10.B(1)

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Ke-435c

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