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Pfaff 3568-12/22 Instruction Manual

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Gauge for setting the zero point plus the needle position.
# 95-730 242-75/993
For repair of the transfer motor, call
Keith Thompson at
Blue Ridge Electric Service
1604 S. Loudoun Street
Winchester VA 22601
Phone 540 662-8463
Toll free 877 662-8463
3568
-12/22
Instruction manual
296-12-17 973
Betriebsanleitung engl. 03.97

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Summary of Contents for Pfaff 3568-12/22

  • Page 1 3568 -12/22 Instruction manual Gauge for setting the zero point plus the needle position. # 95-730 242-75/993 For repair of the transfer motor, call Keith Thompson at Blue Ridge Electric Service 1604 S. Loudoun Street Winchester VA 22601 296-12-17 973 Phone 540 662-8463 Betriebsanleitung engl.
  • Page 2 At the time of printing, all information and illustrations contained in this document were up to date. Subject to alteration! The reprinting, copying or translation of PFAFF Instruction Manuals, whether in whole or in part, is only permitted with our previous authorization and with written reference to the source.

  • Page 3: Table Of Contents

    Indice Contents ................Chapter - Page Safety ..................... 1 - 1 Directives ........................1 - 1 General notes on safety ..................... Safety symbols ......................1 - 2 Important points for the user ..................1 - 3 Operating and specialist personnel ................1 - 3 .05.01 Operating personnel ....................
  • Page 4 Indice Contents ................Chapter - Page Mounting and commissioning the machine ..........9 - 1 Mounting ........................9 - 1 Commissioning the machine ..................9 - 2 .02.01 Turning the machine on/off ..................9 - 3 .02.02 Adjusting zero point ....................9 - 4 Preparation ...................
  • Page 5 Indice Contents ................Chapter - Page Lubricating the zigzag drive ..................12 - 4 Lubricating the carriage guides of the X/Y control ............ 12 - 5 Lubricating jig changeover..................12 - 6 Cleaning the blower air filter ..................12 - 7 Compressed air unit ....................
  • Page 6 Indice Contents ................Chapter - Page .06.27 Synchronizer ......................13 - 31 Adjusting the thread trimmer ................... 13 - 32 .07.01 Mounting/dismounting the control unit ..............13 - 32 .07.02 Preadjusting the control cam ................... 13 - 33 .07.03 Roller lever ....................... 13 - 34 .07.04 Latch ........................

  • Page 7: Safety

    Safety Safety Directives This machine was built in accordance with the following European regulations: EC Machine Directive (89/392/EEC, 91/368/EEC, 93/44/EEC, 93/68/EEC) Safety of Appliances Law, Machine Ordinance - 9GSGV EC Directive „Electromagnetic Compatibility“ (89/336/EEC, 92/31/EEC, 93/68/EEC) EN 60204-1 Safety of Machines, Electrical Equipping of Industrial Machines: Part 3 EN 292 Parts 1 and 2: 1991 Safety of Machines (Basic Terms) EN 294 Safety of Machines;...

  • Page 8: Safety Symbols

    Safety Repair work and special maintenance work must only be carried out by specialists or appropriately trained personnel! For maintenance and repair work on pneumatic devices, the machine must be separated from the source of pneumatic power! The only exceptions allowed are for adjustments and function testing by appropriately trained personnel! Work on electrical equipment must only be carried out by appropriately trained specialist personnel!

  • Page 9: Important Points For The User

    Safety Important points for the user This Instruction Manual is a component part of the machine and must be available to the operating personnel at all times. The Instruction Manual must be read before operating the machine for the first time. The operating and specialist personnel is to be instructed on the safety equipment of the machine and regarding safe work methods.

  • Page 10: Specialist Personnel

    Safety Specialist personnel .05.02 Specialist personnel are persons who have completed expert education/training in the fields of electrics, electronics, pneumatics and mechanics. They are responsible for the lubrication, maintenance, repair and adjustment of the machine. The specialist personnel is obliged to observe the following points and must: always observe the Notes on Safety in the Instruction Manual! switch off the On/Off switch before carrying out adjustments or repairs and ensure that it cannot be switched on again unintentionally!

  • Page 11: Danger

    Safety Danger A working area of 1 meter is to be kept free both in front of and behind the machine while it is in operation, so that it is always easily accessible. Never reach into the sewing area while sewing! Danger of injury by the needle! Never leave objects on the table or in the needle plate area while adjusting the machine settings! Objects can become trapped or be slung away!

  • Page 12: Proper Use

    Proper use Fig. 2 - 01 The PFAFF 3568-12/22 is used for folding and sewing on pockets on jeans, workwear, shirts and similar garments. Seams are created using the program functions. Any and all uses of this machine which have not been approved of by the...

  • Page 13: Specifications

    Specifications Specifications Sewing head: ................PFAFF 918 -650/00 -900/51 Sewing speed: ..................max. 4100 spm Stitch length: ..................... max. 6 mm Stitch type: ....................301 (lockstitch) 304 (zigzag lockstitch) Needle system: ....................1955-07-MR5 Needle size: ....................110 - 140 Nm Sewing motor: ...........

  • Page 14: Disposal Of The Machine

    Disposal of the machine Disposal of the machine The proper disposal of the machine is the responsibility of the customer. The materials used are steel, aluminium, brass and various plastics. The electrical equipment consists of plastics and copper. The machine must be disposed of in accordance with applicable local environmental protection regulations.

  • Page 15: Testing According To En 60204-3-1

    Testing according to EN 60204-3-1 Testing according to EN 60204-3-1 Prior to delivery, the machine was tested according to EN 60204-3-1 version 1/86. The following tests were carried out on the machine: proper connection of the protective conductor systems visual check testing connection of protective conductor to ensure that it is not defective insulation test voltage test...

  • Page 16: Transport Packaging And Storage

    Transport packaging and storage Transport packaging and storage Transport to the customer’s premises Within Germany, machines are delivered without packaging. Machines for export are packaged. Transport within the customer’s premises The manufacturer bears no liability for transport within the customer’s premises or to the location of use.

  • Page 17: Explanation Of The Symbols

    Explanation of the symbols Explanation of the symbols In this Instruction Manual, tasks to be carried out and important information are drawn to your attention by symbols. The symbols have the following meanings: Note, information Cleaning, care Lubrication Servicing, repairing, adjustment, maintenance 7 - 1...

  • Page 18: Controls

    Controls Controls On/off switch By turning switch 1, the power supply to the machine is switched on or off. Fig. 8 - 01 EMERGENCY OFF switch By pressing the EMERGENCY OFF switch 1, the machine can be stopped in case of an emergency. Before the machine is turned back on, the EMERGENCY OFF switch 1 must be released by pulling it up.

  • Page 19: Jig Changeover Control

    Controls Jig changeover control When control 1 is activated, the sewing jig and the transport arm (jig changeover) are disconnected. Fig. 8 - 03 Table control When control 1 is activated, the retaining flap for the cuttings is raised so that the workpiece can be positioned.

  • Page 20: Foot Switch

    Controls Foot switch The function of the foot switch 1 can be adjusted to the various requirements for placing in the workpiece. The foot switch is adjusted via the menu. Fig. 8 - 05 By switching the functions HOME POSITION POCKET PLATE IN FRONT and PLAIN FABRIC on or off, the following menu combinations can be created: Menu combinations Foot switch functions...

  • Page 21: Start Controls

    Controls Start controls In MANUAL operation mode, when both start controls 1 are activated simultaneously a function is carried out according to the table below. In AUTOMATIC operation mode, when both start controls 1 are activated simultaneously the entire program sequence is started independent of the selected menu combination.

  • Page 22: Control Panel On The Sewing Station

    Controls Control panel on the sewing station This control panel is used primarily for setting up the machine. Fig. 8 - 07 Display .07.01 The current value appears in the top line under the corresponding symbol. Program number (0-99) Jig code (option) Stitch length (in mm) Maximum speed (in min Actual speed (in min...

  • Page 23: Operation Mode Keys

    Controls Operation mode keys .07.02 The system has three operation modes. The operation mode selected is indicated by the light diode of the corresponding key. Operation mode AUTOMATIC Operation mode MANUAL Operation mode INPUT For operation within the individual operation modes, only certain functions can be used depending on the mode.

  • Page 24: Red Function Keys

    Controls Red function keys .07.04 These keys only have functions in the operation modes AUTOMATIC and MANUAL. Program stop Interrupt sewing program. Program start Start sewing program. Continue program following interruption. Presser/thread trapper Raise or lower presser. Open or close thread trapper. Seam pattern forwards Sew seam pattern forwards step by step.

  • Page 25: Green Function Keys

    Controls Green function keys .07.05 These keys only have functions in the operation mode INPUT. Program selection When the function is activated (diode lit), a previously stored program can be selected via the number keys or the plus/minus keys. Automatic station change When the function is activated (diode lit), after every sewing operation there is an automatic change between program stations A and B.

  • Page 26: Control Panel On The Folder Station

    Controls Control panel on the folder station Fig. 8 - 08 Operation mode keys .08.01 The keys have the same function as those on the control panel of the sewing station (refer to chapter 8.07.02 Operation mode keys). Operation mode AUTOMATIC Operation mode MANUAL Station keys .08.02...

  • Page 27: Function Keys

    Controls Function keys .08.03 Reset key Acknowledges error correction. Label Adds label (optional). Do not sew All functions are carried out except sewing. Folder movement Carries out folder functions step by step. (Single steps of the machine without sewing.) (Only in MANUAL operation mode.) Home position Brings folder and transport arm into starting position.

  • Page 28: Mounting And Commissioning The Machine

    Mounting and commissioning the machine After unpacking the machine, check it for any transport damage. In case of damage, inform the shipping company and the responsible PFAFF dealer. The machine must only be mounted and commissioned by qualified personnel! All relevant safety regulations are to be observed!

  • Page 29: Commissioning The Machine

    Mounting and commissioning the machine Commissioning the machine Überw. Bügel S 98.1 Fig. 9 - 03 Fig. 9 - 02 The safety switch 1 in the control box must be turned on before commissioning the machine! The machine must not be operated when the safety switch 1 is turned off! Danger of injury! The machine can be operated either with or without lubricated air.

  • Page 30: Turning The Machine On/Off

    Mounting and commissioning the machine Turning the machine on/off .02.01 Fig. 9 - 04 Fig. 9 - 05 Open knob 1. Check air pressure on pressure gauge 2, and regulate air compression with adjusting knob 3, if necessary. If necessary, release EMERGENCY OFF switch 4 by pulling up on it. Turn master switch 5 to "ON".

  • Page 31: Adjusting Zero Point

    Mounting and commissioning the machine Adjusting zero point .02.02 Fig. 9 - 06 Fig. 9 - 07 It is necessary to adjust the zero point when the machine is commissioned and after replacing the CPU or one of the proximity switches of the X/Y control. Only use the numbered zero-point gauge which belongs to the machine! The individual gauge vary from machine to machine.
  • Page 32 Mounting and commissioning the machine Fig. 9 - 06 Fig. 9 - 07 Insert adjustment pin 2 into the hole in the X/Y control. Move X/Y carriage with the number keys "4", "6", "2" and "8" in such a way that the end of adjustment pin 2 falls easily into the back hole of the zero point gauge 1.

  • Page 33: Preparation

    Preparation Preparation All regulations and instructions in this Instruction Manual are to be observed! Special attention is to be paid to the safety regulations! All preparation work is only to be carried out by appropriately trained personnel. Make sure, in particular, that the safety switch in the control box is turned on. Inserting the needle Fig.

  • Page 34: Winding The Bobbin Thread, Adjusting The Thread Tension

    Preparation Winding the bobbin thread, adjusting the thread tension Fig. 10 - 02 Place an empty bobbin 1 onto bobbin shaft 2. Thread the bobbin in accordance with Fig. 10-02 and wind it clockwise around bobbin 1 a few times. Switch on the bobbin winder while at the same time pressing bobbin winder spindle 2 and cam 3.

  • Page 35: Changing The Bobbin

    Preparation Changing the bobbin Bobbin change, bobbin case and bobbin thread tension .03.01 Fig. 10 - 03 Fig. 10 - 04 Lift ratchet lever 1 and swing in safety bar 2 until it rests against the machine. Press change bobbin key (stacker moves forward). Remove bobbin case: Raise latch 3 and remove bobbin case 4.

  • Page 36: Changing The Bobbin From The Top In Manual Mode

    Preparation Changing the bobbin from the top in MANUAL mode .03.02 Fig. 10 - 05 Fig. 10 - 06 To replace the bobbin this way, the function BOBBIN CHANGE FROM TOP in the 2nd menu must be activated (see chapter 11.03.03 Selecting a subfunction from the 2nd menu level).

  • Page 37: Changing The Bobbin From The Top In Automatic Mode

    Preparation Changing the bobbin from the top in AUTOMATIC mode .03.03 Fig. 10 - 06 Fig. 10 - 05 When the number of the selected bobbin thread stitches has been completed, the transport arm with the sewing jig swings to the folder station. Display: "CHANGE BOBBIN #055"...

  • Page 38: Threading The Needle Thread

    Preparation Threading the needle thread Fig. 10 - 07 Raise ratchet lever 1 and swing safety bar 2 until it rests against the machine. Press presser/thread trapper key (presser is lowered and thread trapper 3 opens). When the machine is in transport index: Press seam pattern forwards key Press transport arm/sewing jig key (transport arm moves to folder station).

  • Page 39: Program Number Selection

    Preparation Program number selection Fig. 10 - 08 Select the INPUT mode. Display: "CHOOSE FUNCTION OR SCROLL #250" Via the station keys select the program station in which the desired program is to be stored. Press the program selection key. .

  • Page 40: Automatic Change In Program Station

    Preparation Automatic change in program station Fig. 10 - 08 If you want to change back and forth between two sewing programs, a program must be stored in each of both program stations (see chapter 10.05 Program number selection. Select the INPUT mode. Display: "CHOOSE FUNCTION OR SCROLL #250"...

  • Page 41: Jig Monitor (Optional)

    Preparation Jig monitor ( optional ) To make it possible to monitor the jig, the sewing jig is given a code using magnets which the control can recognize via an additional device. This is a means of preventing pairing a sewing program with the wrong sewing jig which could cause the needle to break.

  • Page 42: Determining The Jig Code

    Preparation Determining the jig code .07.02 Bit 4 Bit 0 Bit 1 Bit 5 Bit 2 Bit 6 Bit 3 Bit 7 Fig. 10 - 09 The jig code is entered in the sewing program as a number value (0-99). The code is created on the jig as a binary number by arranging the magnets in a particular way.

  • Page 43: Placement Of The Cuttings

    Preparation Placement of the cuttings Fig. 10 - 10 Fig. 10 - 11 Lay the cutting on the table and, with control 1 activated, align. Cuttings which have markings for the position of the pockets are aligned, if provided, according to the illumination markings. For unmarked cuttings, mark the position of the pockets on the table.
  • Page 44 Preparation Menu combination: HOME POSITION POCKET PLATE IN FRONT ON PLAIN FABRIC OFF Activate the foot switch (pocket plate moves forward). Slide the pocket cutting onto the pocket plate according to Fig. 10-11. Activate the foot switch (pocket plate is lowered).

  • Page 45: Brief Description Of Input Mode

    Programing Programing Brief description of Input mode In the INPUT mode, it is necessary to differentiate between functions which can be selected directly and those of the 1st and 2nd menu levels. Direct functions .01.01 Direct functions are functions which are required more often than other functions. They can be selected directly via the corresponding keys.

  • Page 46: Summary Of The Functions In The 2Nd Menu Level

    Programing Summary of the functions in the 2nd menu level .01.03 Functions which are used less frequently are found in this menu level. Here, the functions are divided into main and subfunctions. Display: "2. MENU #300" (basic condition 2nd menu) 1 - MEMORY DIRECTORY 1 - PROGRAM DIRECTORY 1 - PROGRAM MANAGEMENT...

  • Page 47: Description Of The Menu Levels

    Programing Description of the menu levels 1st menu level .02.01 After selecting the INPUT mode, you reach the basic position. Display: "CHOOSE FUNCTION OR SCROLL #250" Via the plus/minus keys, you can scroll between the functions. e.g. Display: "1- PIECE COUNTER #251"...

  • Page 48: Examples For Selecting Functions

    Programing Examples for selecting functions Selecting a direct function .03.01 To change the stitch length, for example, you must proceed as follows: Select INPUT mode. Display: "CHOOSE FUNCTION OR SCROLL #250" Press the stitch length change key. e.g. Display: "PROGRAM:1 STICHL.3.20 #262"...

  • Page 49: Selecting A Subfunction From The 2Nd Menu Level

    Programing Selecting a subfunction from the 2nd menu level .03.03 The BOBBIN CHANGE FROM TOP function is to be activated. In this example, only a description of how to enter this function with the number keys is given. The individual functions can be selected as described in the above examples, as well as via the plus/minus keys and called with the Enter key.

  • Page 50: Explanation Of The Menu Functions

    Programing Explanation of the menu functions Functions in the 1st menu level .04.01 1- PIECE COUNTER Provides information on the current daily production (max. display value: 65565). The value can be reset to "0" with the Clear key. The value is not changed when the machine is turned off. If the max. display value is exceeded, the counter is reset automatically.
  • Page 51 Programing 6- ZIGZAG DELAY ON Displays the stitch count according to which the command "Zigzag on" is output before the bar tack is started. The stitch count can be changed using the plus/minus keys or the number keys (see Fig. 11.02). .

  • Page 52: Functions In The 2Nd Menu Level

    Programing -2. MENU After selecting this function via the plus/minus keys, you can enter the 2nd menu level by pressing Enter. Functions in the 2nd menu level .04.02 The functions are divided into main and subfunctions here. 1- PROGRAM MANAGEMENT All of the subfunctions are listed here which have to do with organizing the sewing programs.
  • Page 53 Programing 5- STATISTICAL PROGRAM DATA The following program data are displayed with this main function: - stitch count and program length in bytes - stitch count and obstacles - jig code 6- FORMATTING DISK (DELETE) Via this main function, disks can be reformatted (720 KB). All of the data on the disk are deleted when the disk is formatted.
  • Page 54 Programing 6- CARRIAGE START (NIS = needle in material) Needle at TDC 0° Needle pierces material, Needle leaves carriage stops, the material, command for carriage carriage start start is output approx. at 270° approx. at 90° Needle in material, continuous area of 180°...
  • Page 55 Programing 3- AIRBLAST SELECTION Airblast functions are listed here which can be turned on or off via the number keys 1 or 0. 1- NEEDLE COOLING (AIRBLAST), FEED FORWARD When the function is active, it prevents the starting thread from being pushed under the presser during fabric transport to the sewing station.
  • Page 56 Programing 5- TIMES Under this main function, times are listed which can be set via the plus/minus keys or the number keys..1- TIME FOR STACKER AIRBLAST The time is to be set so that the stacker goods are blown properly over the stacker trestle.

  • Page 57: Sewing

    Programing Sewing This machine must only be operated by adequately trained operators! The operators must also ensure that only authorized persons have access to the potentially dangerous area around the machine! The program may only be started after the cover 1 of the X/Y carriage control has been closed! During the program cycle, do not reach into the folder or the sewing station area! Danger of serious injury!

  • Page 58: Sewing In The Manual Mode

    Programing Sewing in the MANUAL mode .05.02 Fig. 11 - 06 Insert workpiece and align (see chapter 10.08 Placement of the cuttings). Select MANUAL mode. Press start controls 1 at the same time (the function is dependent on the menu selection; see chapter 8.06 Start controls).

  • Page 59: Disturbances

    Programing Disturbances .05.03 If thread breakage occurs, the following message appears, for example, in the control panel display of the sewing station: Display: "THREAD ERROR #008" The machine moves back automatically by the number of stitches selected in the menu and stops.

  • Page 60: Care And Maintenance

    Care and maintenance Care and maintenance Clean the entire machine ..................weekly Clean the hook compartment ............... several times daily Clean needle area................. several times daily Check oil level for sewing head lubrication ............weekly Check oil level for zigzag drive ..............daily before use Lubricate X/Y carriage guides ..............

  • Page 61: Cleaning The Machine

    Care and maintenance Cleaning the machine The required cleaning cycle for the sewing machine is dependent on the following factors: Single or multi-shift operation Accumulation of dust from the various fabrics Thus, appropriate cleaning instructions can only be determined on an individual basis for each machine.

  • Page 62: Lubricating The Sewing Head

    The oil flow rate can be regulated by turning the screw 3 at the underside of the machine. Swing back safety bar to its starting position. The wicks in the oil reservoir 2 must always be immersed in oil! We recommend PFAFF sewing machine oil, part no. 280-1-120 144. 12 - 3...

  • Page 63: Lubricating The Zigzag Drive

    Pour in oil until it is level with the uppermost mark. Tighten screw 2. Return safety bar to its starting position. Never allow the oil level to fall below the lower mark on the window 1! We recommend PFAFF sewing machine oil, Part no. 280-1-120 144. 12 - 4...

  • Page 64: Lubricating The Carriage Guides Of The X/Y Control

    Care and maintenance Lubricating the carriage guides of the X/Y control Fig. 12 - 06 Fig. 12 - 07 Turn off main switch and ensure that it cannot be turned on accidentally! Only use heavy-duty grease with a penetration of 265-295 and a dripping point of 185°C.

  • Page 65: Lubricating Jig Changeover

    Care and maintenance Lubricating jig changeover Fig. 12 - 08 Fig. 12 - 09 Grease the parts described below regularly with Retinax G (sodium-base grease; dripping point 135°C), Part. no. 280-1-120 243. Press the home position key on the control panel of the folder station. (Transport arm with sewing jig swings to home position).

  • Page 66: Cleaning The Blower Air Filter

    Care and maintenance Cleaning the blower air filter Fig. 12 - 10 Fig. 12 - 11 Cleaning the blower air filter at the base of the machine: Remove cover 1. Take out filter element and clean with compressed air. Insert filter element and replace cover 1. Cleaning the blower air filter in the control box: Before opening the control box, be sure to turn off the main switch and ensure that it cannot be switched back on accidentally!

  • Page 67: Compressed Air Unit

    Care and maintenance Compressed air unit Fig. 12 - 12 Checking and regulating air compression .07.01 Always check the air compression on the manometer 1 before operatint the machine. The manometer 1 must indicate a pressure of 6 bar. When required: Pull up on knob 2 and turn so that the manometer 1 indicates a pressure of approx.

  • Page 68: Checking And Topping Up The Oil Level

    0875 g/cm The types of oil used must not cause the seal materials to swell or shrink more than a nominal amount under varying operating conditions. We recommend PFAFF sewing machine oil. Part no. 280-1-120 144. 12 - 9...

  • Page 69: Emptying The Water Trap

    Care and maintenance Emptying the water trap .07.04 Make sure that the knurled bush 4 is unscrewed as far as it will go (left-hand thread). When the water level rises, the automatic drain opens and the water is drained off. Place a suitable container under the drain opening.

  • Page 70: Adjustment

    Adjustment Adjustment Before beginning any adjustment work, observe all relevant safety regulations! Notes on adjustments All adjustments in these adjustment instructions are based on a completely assembled machine. Covers on the machine which have to be removed for checks and adjustment work and later remounted are not mentioned.

  • Page 71: Removing/Inserting Sewing Machine Head

    Adjustment Removing/inserting sewing machine head Turn off compressed air. Switch off main switch and ensure that it cannot be turned back on accidentally. Fig. 13 - 01 When removing, unplug pneumatic power supply (knurled bush 1). Fold down bar and disconnect plug 2. Unplug plugs 3 and 4.

  • Page 74: Checking And Adjustment Aids

    Adjustment Checking and adjustment aids By blocking holes 1-4, the required needle bars positions can be fixed precisely. Fig. 13 - 02 Turn the handwheel until the needle bar is in approximately the required position. Place the adjustment pin in the appropriate hole and apply pressure. Rotate the handwheel back and forth slightly until the adjustment pin engages in the crank slot behind the bearing plate, thus blocking the machine.

  • Page 75: Adjusting The Sewing Machine Head

    Adjustment Adjusting the sewing machine head Counterweight .06.01 Requirement In needle bar position BDC the largest eccentricity of the counterweight 1 must be at the top. Fig. 13 - 03 Move needle bar to BDC. Turn counterweight 1 (screws 2) according to the requirement. 13 - 4...

  • Page 76: Centering The Needle In The Needle Hole (In The Direction Of Sewing)

    Adjustment Centering the needle in the needle hole (in the direction of sewing) .06.02 Requirement In straight stitch position, viewed in the direction of sewing, the needle must be centered in the needle hole in the hook bearing adjustment gauge 4. Fig.

  • Page 77: Needle Bar-Parallel Guide

    Adjustment Needle bar-parallel guide .06.03 Requirement The guide rod 5 must be parallel to the needle bar. Fig. 13 - 05 Move needle bar to TDC (hole 2). Loosen screws 1, 2 and nut 3. Position the greatest eccentricity of pin 4 toward the bottom. Move the recess of the guide bar 5 against the eccentric pin 4.

  • Page 78: Setting Zero Stitch

    Adjustment Setting zero stitch .06.04 Requirement In straight stitch position (cylinder plunger fully retracted), the needle bar must not carry out a zigzag movement when the handwheel is turned. Fig. 13 - 06 Place a piece of paper over the needle plate cutout and, by turning the handwheel, perforate with the needle.

  • Page 79: Zigzag Stitch Movement

    Adjustment Zigzag stitch movement .06.05 Requirement When the needle, coming from the right point of needle entry, is in TDC (hole 2), the needle bar must not move when the zigzag stitch width regulator is operated. 5 mm Fig. 13 - 07 Loosen screws 1 slightly.

  • Page 80: Needle Penetration Symmetry

    Adjustment Needle penetration symmetry .06.06 Requirement 1. In straight stitch position, the needle must penetrate exactly the center of the needle hole. 2. For the largest zigzag stitch setting, the point of needle penetration to the right and left must be at the same distance to the center point of needle penetration. Fig.

  • Page 81: Centering The Needle In The Needle Hole (Across The Direction Of Sewing)

    Adjustment Centering the needle in the needle hole (across the direction of sewing) .06.07 Requirement In straight stitch position, viewed across the direction of sewing, the needle must be centered exactly in the needle hole in the hook bearing adjustment gauge. Fig.

  • Page 82: Zigzag Stitch Width

    Adjustment Zigzag stitch width .06.08 Requirement At the maximum zigzag stitch width, the needle must not strike against the counter presser. Fig. 13 - 10 Loosen the lock nut of pin 1. Slide pin 1 according to the requirement into the elongated hole of the lever 2. By moving the pin 1 down (+), the zigzag stitch width is increased;...

  • Page 83: Hook Bearing

    Adjustment Hook bearing .06.09 Requirement The hook shaft must rest against the hook bearing adjustment gauge 4 at the top and from the side. 418 - 419 Fig. 13 - 11 Loosen screw 3 and loosen the draw key under the screw head by tapping the screw head lightly.

  • Page 84: Hook Lubrication

    Adjustment Hook lubrication .06.10 Requirement 1. The centrifugal washer 1 must be 1.5 mm above the oil ring 3. 2. When the machine is running at full speed, there should be a fine line of oil after approx. 10 seconds on a paper strip held over the needle plate cutout. Fig.

  • Page 85: Gear Box Drive Belt

    Adjustment Gear box drive belt .06.11 Requirement The drive belt 3 must be tensioned so that the machine does not bind and the gears do not have any play. Fig. 13 - 13 Move eccentric bearing bush 1 (screw 2) so that the drive belt 3 is positioned in the middle of the bobbin case opener’s drive wheel 4 and turn out of position according to the requirement.

  • Page 86: Preadjusting The Needle Height

    Adjustment Preadjusting the needle height .06.12 Requirement At needle bar position TDC (hole 2), the distance between the needle point and the needle plate must be approx. 19 mm. 19 mm Fig. 13 - 14 Move needle bar (screws 1) without twisting it according to the requirement. 13 - 15...

  • Page 87: Needle Bar Rise, Hook-To-Needle Clearance And Bobbin Case

    Adjustment Needle bar rise, hook-to-needle clearance and bobbin case position stop .06.13 Requirement 1. With the needle bar 2.4 past BDC (hole 1), the hook point must be at the middle of the needle; the distance between the needle and the hook point must be from 0.05 to 0.1 mm.

  • Page 88: Final Adjustment Of Needle Height

    Adjustment Final adjustment of needle height .06.14 Requirement When, in the left-hand zigzag position, the hook point is at the center of the needle, the upper edge of the needle eye must be 0.5 mm below the hook point. Fig. 13 - 16 Move needle bar (screws 1) without twisting it according to the requirement.

  • Page 89: Bobbin Case Opener Position

    Adjustment Bobbin case opener position .06.15 Requirement 1. The top edge of the bobbin opener should extend 0.8 mm over the bobbin case. 2. When the bobbin opener 2 is in its point of reversal, the front edge of its finger must be approx.

  • Page 90: Bobbin Case Opener Movement

    Adjustment Bobbin case opener movement .06.16 Requirement With the needle bar 2.4 mm past BDC (hole 1), bobbin case opener 3 must be at its right point of reversal. Fig. 13 - 18 Adjust bobbin case opener eccentric 1 (screws 2) in accordance with the requirement. 13 - 19...

  • Page 91: Counter Presser Lifting Stroke

    Adjustment Counter presser lifting stroke .06.17 Requirement At needle bar position BDC, the counter presser is to have just reached the top of its stroke. Fig. 13 - 19 Unscrew counter presser 1. Move needle bar to BDC. Turn eccentric 2 (screws 3) according to the requirement. 13 - 20...

  • Page 92: Needle Guard Movement

    Adjustment Needle guard movement .06.18 Requirement 1. The travel of needle guard finger 1 must be approx. 5 mm. 2. When the distance between the hook point and the needle is 3 mm, the needle guard finger 1 must be at its back point of reversal. 3 mm Fig.

  • Page 93: Needle Guard Position

    Adjustment Needle guard position .06.19 Requirement The needle guard finger 1 must 1. not strike against the thread guard nor the bobbin case base. 2. when at its back point of reversal, be at a distance of 0.5 mm to the needle. 0.5 mm Fig.

  • Page 94: Counter Presser Height

    Adjustment Counter presser height .06.20 Requirement At the top point of reversal of the counter presser 1 its surface must be parallel to and 0.3 mm under the cover plate 6. Fig. 13 - 22 Bring counter presser 1 to its top point of reversal. Turn lifting crank 2 (screws 3) and eccentric clamp bush 4 (screws 5) according to the requirement.

  • Page 95: Counter Presser Position

    Adjustment Counter presser position .06.21 Requirement 1. When the needle penetrates, it must be centered in the needle hole in the counter presser 5. 2. When the needle bar is at BDC, the counter presser 5 must be at its front point of reversal and with the back edge of the needle hole resting against the needle.

  • Page 96: Presser

    Adjustment Presser .06.22 Requirement 1. When the presser is lowered, the distance to the bedplate must be 6 mm. 2. When the presser is raised, the distance to the bedplate must be 17 mm. Fig. 13 - 24 Lower presser. Move presser (screw 1) according to requirement 1.

  • Page 97: Needle Thread Tension Release

    Adjustment Needle thread tension release .06.23 Requirement 1. When the presser is raised, the distance between the tension disks must be at least 0.5 mm. 2. When the thread trimmer is in its resting position, there must be a distance of 0.5 mm between the trips 8 and the release olive 5.
  • Page 98 Adjustment 0.5 mm 0.5 mm Fig. 13 - 25 Press clamp 9 up to the top. Tighten screw 2, ensuring that the hollow shaft 4 does not have any lateral play. Turn on thread trimmer manually. Turn the handwheel until the trips 8 are positioned at the highest point of the release olive 5.

  • Page 99: Thread Check Spring

    Adjustment Thread check spring .06.24 Requirement The stroke of thread check spring 3 must be approx. 5 mm. Fig. 13 - 26 Tilt sewing machine head upright and insert. Turn tension block 1 (screws 2) according to the requirement. 13 - 28...

  • Page 100: Thread Puller

    Adjustment Thread puller .06.25 Requirement The thread puller 3 must pull enough thread after the sewing operation is finished so that a reliable seam start is ensured. Fig. 13 - 27 Move cylinder carrier 1 (screws 2) according to the requirement. The timing of the thread puller must be set so that the cylinder of the thread puller can carry out its full stroke (see chapter 11.01.03 Summary of the functions in the 2nd menu level and chapter 11.04.02 Functions in the 2nd...

  • Page 101: Bobbin Winder

    Adjustment Bobbin winder .06.26 Requirement The bobbin winder must disengage when the thread level is approx. 1 mm from the edge of the bobbin. Fig. 13 - 28 Move trip 1 (screw 2) according to the requirement. If the bobbin is wound unevenly, adjust the thread guide 3 accordingly. 13 - 30...

  • Page 102: Synchronizer

    Adjustment Synchronizer .06.27 Requirement After the sewing action has been completed, the machine is to position at TDC of the needle bar (hole 2). Fig. 13 - 29 Allow sewing machine to carry out positioning (switch on/off). Mark this position on the shaft (see arrow). Bring the needle bar to TDC (hole 2).

  • Page 103: Adjusting The Thread Trimmer

    Adjustment Adjusting the thread trimmer Mounting/dismounting the control unit .07.01 Fig. 13 - 30 Remove sewing machine head and tilt back. To dismount, remove circlip 1 and detach pull rod 2. Detach spherical heads of the connecting rod 3 from the ball pins on the trimmer and control units and remove connecting rod 3.

  • Page 104: Preadjusting The Control Cam

    Adjustment Preadjusting the control cam .07.02 Requirement When the needle bar is at TDC (hole 2) 1. the beginning of the highest boss of the trip 5 must be under the tip of the latch 7, and 2. the right side of the trip must be flush with the right side of the latch 7. Fig.

  • Page 105: Roller Lever

    Adjustment Roller lever .07.03 Requirement With the needle bar at 2.4 past BDC (hole 1), 1. when the roller lever 4 is tapped the roller must engage easily in the control cam 7, and 2. the roller of the roller lever 4 must be centered at the cam recess of the control cam 7. Fig.

  • Page 106: Latch

    Adjustment Latch .07.04 Requirement When the thread trimmer is in its resting postion, there must be a distance of 0.3 mm between the latch 2 and the largest eccentricity of the trip of the control cam 1. 0.3 mm Fig. 13 - 33 By turning the handwheel, position the trip of the control cam 1 with its largest eccentricity under the latch 2.

  • Page 107: Engaging Solenoid

    Adjustment Engaging solenoid .07.05 Requirement With the needle bar at 2.4 past BDC (hole 1), when the engaging solenoid is in operation, there must be a distance of 0.2 to 0.3 mm between the engaging lever 1 and the latch 2. Fig.

  • Page 108: Actuating Lever

    Adjustment Actuating lever .07.06 Requirement With the needle bar at 2.4 past BDC (hole 1), when the actuating lever 1 is actuated, there must be a distance of 0.2 mm between the roller of roller lever 2 and the base of the control cam 3.

  • Page 109: Engaging Lever

    Adjustment Engaging lever .07.07 Requirement With the needle bar at TDC (hole 2) and the thread trimmer in resting position, there must be a distance of 0.3 to 0.5 mm between the roller of the roller lever 3 and the outside diameter of the control cam 4.

  • Page 110: Cutting Test

    Adjustment Cutting test .07.08 Requirement A thread which has been inserted twice in the catcher cutout must be cut perfectly when the thread catcher is moved back. Fig. 13 - 37 Remove the entire thread trimmer (screws 1). Make sure that the knife blade is in perfect condition. Move the thread catcher 2 by hand over the knife 3, until the cutout in the thread catcher 2 can be seen.

  • Page 111: Thread Catcher Position

    Adjustment Thread catcher position .07.09 Requirement When the thread trimmer is in resting position, the thread catcher 3 must be flush with the edge of the mounting plate 4. Fig. 13 - 38 Mount the thread trimmer in the bedplate and align so that the distance between the front edge of the thread trimmer and the back edge of the needle plate cutout is 61 mm.

  • Page 112: Control Cam (Final Adjustment) And Catch Spring

    Adjustment Control cam (final adjustment) and catch spring .07.10 Requirement 1. When the back edge of the thread guard 6 has just moved 6 mm past the center of the bobbin case position finger 7, the thread catcher 8 is to begin with its forward motion.

  • Page 113: Adjusting The Folding And Feed Devices

    Adjustment Adjusting the folding and feed devices Adjusting the switch vanes on the X/Y control .08.01 Requirement The overlap of the switch vanes 1 and 3 to the carrier 1. is to be 18 mm on the carriage for the Y direction. 2.

  • Page 114: Home Position Of The Transport Arm

    Adjustment Home position of the transport arm .08.02 Requirement When lowered, the distance between the upper edge of the transport arm 4 and the machine table at both end positions must be 100 mm. Fig. 13 - 41 Turn stop 1 (nut 2) according to the requirement. Detach pull rod 3.

  • Page 115: Feed Changeover

    Adjustment Feed changeover .08.03 Requirement 1. The jig frame must just touch the sewing changeover and be both parallel and horizontal. 2. On the folding station, the sewing jig must be positioned parallel to the pocket plate and/or to the table. 3.

  • Page 116: Sewing Jig Position At The Sewing Station

    Adjustment Sewing jig position at the sewing station .08.04 Requirement When the sewing jig is at the sewing station (left end position), 1. rod 3 and crank 6 must be aligned, and 2. the jig frame must be resting against the sewing changeover without pressure. Fig.

  • Page 117: Aligning The Sewing Jig

    Adjustment Aligning the sewing jig .08.05 Requirement The needle must not touch the edges of the sewing jig groove during any phase of the sewing operation. Fig. 13 - 44 Press the key seam pattern forwards until the sewing jig groove is under the needle. Position the needle point in the sewing jig groove by turning the handwheel.

  • Page 118: Sewing Jig Position At The Folding Station (Home Position)

    Adjustment Sewing jig position at the folding station (home position) .08.06 Requirement When the sewing jig is positioned at the folding station (right end position), 1. rods 6 and 7 must be aligned with each other, and 2. the distance of the sewing jig 1 to the right side of the table 8 must be parallel 25 mm. 25 mm Fig.

  • Page 119: Proximity Switch

    Adjustment Proximity switch .08.07 Requirement 1. In both end positions of the transport arm 9 the corresponding proximity switch 1 or 3 must be covered by 3/4 by the switch vane 10. 2. The distance of the proximity switches 5 and 6 to the proximity switches 1 and 3 must be 46 mm in each case.
  • Page 120 Adjustment Height of the table .08.08 Requirement The table 4 and the insert plate must be at the same height. Fig. 13 - 47 Turn off compressed air (table is lowered). Underneath the table, work loose the lock nut of the plunger from the cylinder 1. Open compressed air (table raises).

  • Page 121: Height Of Pocket Plate Support

    Adjustment Height of pocket plate support .08.09 Requirement The plungers 3 must be flush with the raised table 4. Fig. 13 - 48 Turn screws 1 (grub screws 2) according to the requirement. Depending on the size of the pocket plate, the plungers which are not in the pocket plate area can be lowered.

  • Page 122: Basic Dimensions Of The Folder

    Adjustment Basic dimensions of the folder .08.10 The folders are mounted according to basic dimensions from the factory. These dimensions may not be changed when adjustments are carried out! Only make adjustments described in this manual! 30.5 mm 47 mm 268 mm Fig.

  • Page 123: Height Of The Folder Device

    Adjustment Height of the folder device .08.11 Requirement The folder table and the machine table must be at the same height. Fig. 13 - 50 Loosen nuts 1 and screws 2. Align folder device by turning eccentric pins 3 according to the requirement. Tighten nuts 1 and screws 2.

  • Page 124: Position Of Pocket Plate Arm

    Adjustment Position of pocket plate arm .08.12 Requirement 1. When the pocket plate 3 is lowered, it must be parallel to the table. 2. The lengthwise motion of the pocket plate 3 must run parallel to the table. Fig. 13 - 51 Loosen screws 1 and 2 just enough so that the bearing housing of the pocket plate arm can only be moved with difficulty.

  • Page 125: Pocket Plate Position

    Adjustment Pocket plate position .08.13 Requirement The pocket plate 1 must be centered and parallel to the table. Fig. 13 - 52 Align the pocket plate 1 (nuts 2) so that measurements a are the same. The same applies to measurements b correspondingly. 13 - 54...

  • Page 126: Pocket Plate Height

    Adjustment Pocket plate height .08.14 Requirement 1. When the pocket plate is in home position, the distance to the table must be 11 to 12 mm. 2. When the pocket plate is raised, it must be possible to easily move a panel of fabric positioned under the pocket plate.

  • Page 127: Die

    Adjustment .08.15 Requirement 1. The die 2 together with its angular strip 8 must lie evenly on the table. 2. The bottom edges of the angular strips 8 must be at a distance of approx. the thickness of the fabric under the underside of the pocket plate. 3.
  • Page 128 Adjustment Fig. 13 - 54 Loosen screws 1 and align die 2 by turning screws 3 (nuts 4) according to requirement 1. Adjust height of die by turning the nut 5 (lock nut 6) according to requirement 2. Align die 2 (screws 1, nuts 7) so that its outer edges are flush with the pocket plate edges.

  • Page 129: Position Of Folder Plates

    Adjustment Position of folder plate .08.16 Requirement 1. The front edge of the folder plate 2 must be parallel to the die 4. 2. The exiting folder plates 2 must be positioned on all sides approx. 0.1 mm under the lower edge of the angular strips of the die 4.

  • Page 130: Actuating Sequence Of The Folder Plates

    Adjustment Actuating sequence of the folder plates .08.17 Pocket style 1. Swichting a + b a + b a + b a + b a + b position 2. Switching c + d + e c + d + e c + d c + d + e c + d...
  • Page 131 Adjustment Adjust the entering delay of the folder plates of the second switching position with screw 1. Adjust the entering delay of the third, fourth and, if available, fifth switching position on the regulating valves 2 of the corresponding cylinders. Adjust the exiting delay of the folder plate of the final switching position on the regulating valve 3 of the corresponding last cylinder.

  • Page 132: Position Of Corner Folder

    Adjustment Position of corner folder .08.18 Requirement 1. In folder position, the corner folder 1 must be parallel under the slanted side of the folder plate and overlap by 1 to 2 mm. 2. The corner folders must be positioned 1 to 2 mm under the folder plates depending on the fabric thickness.

  • Page 133: Roller Lever Valves

    Adjustment Roller lever valves .08.19 Requirement The roller lever valves 3 are not to be actuated until after the folder plates have been fully entered. Fig. 13 - 58 Move trip 1 (screws 2) according to the requirement. The folder installation shown in Fig. 13-58 is for the third pocket style. For other pocket styles, refer to the table found in chapter 13.08.16 Actuating sequence of the folder plates for the cylinders corresponding to the relevant switching positions.

  • Page 134: Parallelism Of Seam To Pocket

    Adjustment Parallelism of seam to pocket 08.20 Requirement The seam must run parallel to the pocket edge. Fig. 13 - 59 Turn eccentric pin 1 (nut 2) according to the requirement. 13 - 63...

  • Page 135: Centering The Pocket Seam

    Adjustment Centering the pocket seam .08.21 Requirement The seam must be the same distance at the right and left to the pocket edge. Fig. 13 - 60 Turn screw 1 (nut 2) according to the requirement. 13 - 64...

  • Page 136: Distance Of Seam To Pocket

    Adjustment Distance of seam to pocket .08.22 Requirement The seam is to be at the same distance on all sides to the pocket edge. Fig. 13 - 61 Turn adjusting screw 1 (toggle switch 2 and clamp lever 3) according to the requirement. 13 - 65...

  • Page 137: Seam Backtack Distance

    Adjustment Seam backtack distance .08.23 Requirement The distance between the seam backtack and the pocket opening is to be approx. 1 mm. Fig. 13 - 62 Adjust stops 1 (screws 2) on the pocket plate according to the requirement. 13 - 66...

  • Page 138: Shaping Folder Plates

    Adjustment Shaping folder plates New installation / self-manufacture of folder plates .09.01 1, 4 Fig. 13 - 63 Make and/or install the folder plates according to Fig. 13-63. When newly installing or making the folder plates, make sure that they lie behind the corners of the pocket plate by at least the amount of the fabric thickness on the marked spots.

  • Page 139: Slanting The Lateral Folder Plates

    Adjustment Slanting the lateral folder plates .09.02 Do not begin with this work process until the adjustments in chapters 13.08.20 through 13.08.23 have been carried out. 30° 30° Fig. 13 - 64 With the folder plates fully extended, transfer the front edges of the pocket stops 1 and the outer edge of the pocket plate 2 to the lateral folder plate.
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