Beisler 1265-5 Operation Instructions Manual

Automatic serging of trousers sewing unit
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Operation Instructions

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Summary of Contents for Beisler 1265-5

  • Page 1 2 8 2 1265-5 Operation Instructions...
  • Page 3: Table Of Contents

    Index Page: Preface and general safety instructions Part 1: Operating instructions cl. 1265/5 Description of product ......... . Description of proper use .
  • Page 4 Index Page: Seam programs ..........6.4.1 Factory-set programs .
  • Page 5: Description Of Product

    1.2 Brief description The Beisler 1265/5 is a single-head sewing unit for serging of trousers parts with and without knee lining. The overlocking of the seat and fly bow as well as of the trousers hem can be integrated.
  • Page 6: Technical Data

    – Step motor control with auxiliary feed for wide and difficult materials – Processing of knee lining without fusing device for cut-to-size knee lining – Optional fusing unit – Light barrier for recognizing the seam beginning and seam end for automatic sewing start and stop –...
  • Page 7: Optional Equipment (See Annex)

    Noise value: LC = 81dB (A) Workstation-specific emission value according to DIN 45635-48-B-1 Stitch length: 3 mm Seam length: 1160 mm Speed: 7000 r/min Material G1 DIN 23328: 1 layer Measuring point according to DIN 4895 part 1 X = 600 mm Y = 350 mm Z = 600 mm X-axis = at right angles to the feeding direction...
  • Page 8: Switching On - Switching Off - Program Stop

    Switching on - Switching off - Program stop 3.1 Switching on – Switch on main switch 1 (turn in clockwise direction). The control loads the machine program. The start screen appears in the display of the control panel and shows the following message: WAITING FOR RESET –...
  • Page 9: Program Stop

    3.3 Program stop For an immediate stop in case of operating errors, needle breakage etc. the safety system of the 1265/5 provides the following measures: – Press program stop switch 2 at the control panel. The running operations are stopped immediately. –...
  • Page 10: Operation Of The Sewing Machine Head

    Operation of the sewing machine head 4.1 General notes The operation of the sewing machine head (needle insertion, threading of needle thread and hook thread etc.) is described in the separately attached Pegasus operating instructions. The instruction manual is included in the accessories of the sewing unit.
  • Page 11: Recommended Threads

    Recommended threads Needle system: Recommended needle size: Nm 80 for very thin material Nm 90 for thin material Nm 100 for medium-weight material High sewing security and good sewability are achieved with the following core threads: – Two-ply polyester endless polyester core-spun (e.g.
  • Page 12: Removing / Putting On The Fabric Sliding Sheet

    4.3 Removing / Putting on the fabric sliding sheet The fabric sliding sheet 2 is held in the gap of the table top by the magnets 1. The edge guide 3 is fastened on the fabric sliding sheet. Removing the fabric sliding sheet –...
  • Page 13: Operation Of The Sewing Unit

    Operation of the sewing unit 5.1 Foot switch machine sequence In some sewing programs the foot switch serves for starting various functions. The foot switch is equipped with two contacts. One contact is located in the rear area and is released by stepping back.
  • Page 14 The trousers part is sewn. The puller 5 lowers, too, and supports the feeding of the trousers part. As soon as the material has passed the light barrier, the seam is finished and the ejector 6 lowers. The contour guide 2 and the puller 5 move upwards. The ejector 6 transports the material out of the sewing area.
  • Page 15: Adjusting The Edge Guide

    5.3 Adjusting the edge guide The height-adjustable edge guide ensures a precise positioning of the trousers part in front of the sewing head. The height of the edge guide can be adjusted depending on the thickness of the material to be processed.
  • Page 16: Adjusting The Blowing Air For The Nozzles In The Table Top

    5.4 Adjusting the blowing air for the nozzles in the table top The blast nozzles 1 in the table top support the precise stacking of the workpieces. – Set the intensity of the air blast with the dial 2 at the control panel. Turn dial to the right = increased intensity of air blast Turn dial to the left...
  • Page 17: Stackers

    5.5 Stackers 5.5.1 Standard stacker On the standard stacker the finished workpieces are bundled. As soon as the balance point of the trousers part has been pushed beyond the table top edge 2 by the ejector 1, the shield 4 of the stacker extends and presses the trousers part against the front bundle bar 5.
  • Page 18: Throw-Over Stacker

    5.5.2 Throw-over stacker The finished workpieces are stacked on the throw-over stacker 2. The stacked and clamped workpieces can be removed by actuating the foot switch 1. The stacker is activated by a control pulse. The pneumatic functions can be taken from the pneumatic wiring diagram. Caution: Risk of injury! Do not reach into the working area of the throw-over stacker during the stacking operation.
  • Page 19: Alternating Stacker

    5.5.3 Alternating stacker On the alternating stacker the right and left finished workpieces are stacked separately. For this purpose the table 7 of the stacker is moved from one side to the other after every sewing operation. As soon as the balance point of the trousers part has been pushed beyond the table top edge 1 by the ejector 5, the shield 2 of the stacker extends and presses the trousers part against the front bundle bar 3.
  • Page 20: Fusing Station (Optional)

    5.6 Fusing station (optional) 5.6.1 Inserting adhesive tape – Remove the right supporting disk by pulling the handle 1 strongly. – Insert a new roll of adhesive tape 2. The full roll must rotate counter-clockwise when unwinding. – Push the right supporting disk with handle 1 on the shaft again until it catches.
  • Page 21: Fusing Of Knee Lining And Front Trousers

    5.6.3 Fusing of knee lining and front trousers Caution: Risk of burn! Do not touch the area around the fusing station. The lower stamp is very hot. Sewing start of the hem To avoid a displacement of the knee lining during the sewing process a glue dot fusing the lining at the correct position has to be set with the fusing station.
  • Page 22: Clening The Stamp

    5.6.4 Cleaning the stamp Caution: Risk of burn! Clean the stamp only when it is cold. – Actuate the toggle switch 1. The lower stamp 2 moves upwards. – Clean the stamp. – Actuate the toggle switch 1 again. The lower stamp 2 moves downwards.
  • Page 23: Feeding The Trousers Parts And Starting The Sewing Operation In Conjunction With The Fusing Station

    5.7 Feeding the trousers parts and starting the sewing operation in conjunction with the fusing station The overlock unit 1265/5 works semi-automatically. The operator of the sewing unit has to proceed as follows: call up the seam program “Lining below, sewing start at the waistband”...
  • Page 24 The trousers part is sewn. During the sewing process the puller 5 lowers and supports the material feed. As soon as the workpiece has passed the light barrier,the seam is finished and both ejectors 6 lower. The contour guide 3 moves upwards. The ejector 6 transports the material out of the sewing area.
  • Page 25: Operation Of The Control

    Operation of the control 6.1 Operator terminal The operator terminal is the display and input medium of the machine control. In the operator terminal the microprocessor for the control of the sewing unit and the storage media (EPROM) for securing the program control are installed.
  • Page 26: User Interface

    User interface 6.2.1 Menu structure of the sewing and setting programs main switch Switch on Start screen Waiting for reset key program stop Unlock Main screen Access level 1 see page 23 Access level 2 F1 = Global parameters F2 = Seam sequences F3 = Parameters for preseams F4 = Manual sewing start/ Automatic sewing start F5 = Machine running at low speed...
  • Page 27 Programming menus F1 = INIT parameters F1 = EPROM global parameters F2 = EPROM seam parameters F3 = Copy seam number F4 = Delete seam F2 = Memory card F1 = Current seam -> Card F2 = Card -> Current seam F3 = Machine memory ->...
  • Page 28: Main Screen

    6.3 Main screen – Switch on main switch 1 (turn in clockwise direction). The control loads the machine program. The start screen appears in the display of the control panel and shows the following message: WAITING FOR RESET – Press the program stop key 2 at the control panel and unlock again.
  • Page 29: Seam Programs

    6.4 Seam programs In the program control memory up to 20 programs (M01 - M20) can be programmed. Up to 8 seams with the corresponding seam number can be assigned to every program. The seams differ by the control parameters assigned during the programming process as well as by the control functions engaged.
  • Page 30: Selecting The Seam Program

    6.4.2 Selecting the program 1) Selecting the program via the numeric pad The programs M01 - M09 are selected in direct access. – Enter the number of the desired program via the numeric pad, e.g. program M04 – Press key “4”. The programs M10 - M20 are selected via the memory.
  • Page 31 6.4.4 Altering the function of the seam programs The parameters of a program can be altered in three steps: 1) Quick adjustment of the main parameters via the input fields. 2) Access to the entire parameter list. 3) Switching a seam or machine function on or off. 6.4.4.1 Quick adjustment of the main parameters via the input fields The following functions of a seam program can be altered as to the values or switched on or off completely:...
  • Page 32 6.4.4.2 Access to the entire parameter list of a seam function – Press key “F3” or “F6”, until the input field allocated to the icon is black-shadowed. – Press key “ENT”. The parameter list belonging to the seam is opened. –...
  • Page 33 6.4.4.4 Seam-specific parameters in access level 1 Top and differential feed In order to achieve a correct fullness distribution the feeding features of the differential feed and the top feed have to be adapted to the knee lining material. This adaptation is necessary if the lining is processed with fullness. Top feed In the program a correction of the fullness distribution can be made by means of the top feed quick adjustment.
  • Page 34 Alteration of fullness – Press key “F3”, until the cursor points on the program. – Press key “ENT”. The parameter list belonging to the seam is opened. When opening the menu the input field 2 of the parameter “basic setting” is black-shadowed and can be altered. The individual sections and the basic value 3 (quantity: or cm: resp.) can be selected with the keys “ñ“...
  • Page 35 Low speed You can choose between “Max. speed” and “Reduced speed”. If at LOW SPEED: a black bar has been chosen in a seam section, the sewing speed is reduced in this section. If the bar is hidden, Max. speed is active. Example The first seam section 1 is inactive, the four remaining sections 2 are active (sections 2 - 5 are black-shadowed and marked as active).
  • Page 36 Examples for subdivisions of seam sections 1) Side seam, sewing start at the waistband Start Sewing direction 2) Crotch seam, sewing start at the waistband/ fly Sewing direction 3) Side seam, sewing start at the hem. Feeding position when using the optional fusing station Photocell 15 Sewing direction...
  • Page 37 4) Crotch seam, sewing start at the hem. Feeding position when using the optional fusing station Photocell 15 Start Sewing direction Alteration of fullness For the fullness the value ranges can be set as follows (separately for differential feed and top feed): 1) Basic setting of fullness if the function Top Feed is switched on.
  • Page 38 Puller speed The photocell identifies the deviation of the fabric contour from the ideal contour and regulates the speed of the puller, if required. l If the trousers parts are shifted aside from the stop during the feed, the speed is too high. l If the trousers parts curl up at the stop, the speed is too low.
  • Page 39 Ejector The parameter alters the length of the seam section over which the ejector transports the trousers part on the worktable from the sewing head to the stacker. Body Text fett = Parameter ejector 25 SEAM SECTION UNTIL ROLLER DOWN The seam section after the sewing start until the ejector lowers;...
  • Page 40 Low puller speed at the hip bow The parameter alters the basic value of the puller speed when sewing off the hip bow. The puller speed can be adapted to the shape of the hip bow. (in conjunction with photocell 15). Parameter Low puller speed at the hip bow 20 LOW SPEED AT HIP BOW Main parameter/ Basic setting of the puller speed for the hip bow.
  • Page 41 Selection of machine parameters The sewing behaviour of the sewing unit is determined by the settings. 01 SEWING AT LOW SPEED Reduced sewing speed during the sewing start (softstart). 02 SEWING AT HIGH SPEED Main sewing speed. 03 SEWING START AT LOW SPEED Section of decelerated sewing start (softstart).
  • Page 42 6.4.4.5 Seam-specific parameters in the access level 2 Global parameters Global parameters are values controlling the basic functions of the sewing unit. Note If global parameters are altered, the alteration will influence all seam programs stored. Alteration of global parameters The global parameters of the sewing unit are optimally set and coordinated by the manufacturer.
  • Page 43 06 DURATION OF KETTUP AT THE SEAM END Duration of the kettup function at the seam end. Switch off to save energy. 07 THREAD LIFTING AT THE SEAM END The number of stitches until the needle thread is released at the seam end.
  • Page 44 14 STITCH LENGTH Synchronisation of the lowering position of the puller and the stitch length of the sewing unit. ATTENTION ! A stitch length alteration has an effect on all seam sections. – Set the stitch length at the handwheel 2 of the machine head (e.g.
  • Page 45: Seam Sequences

    6.5 Seam sequences In a program individual seams can be deactivated or the seam sequence can be altered respectively. A deactivated seam is not deleted, but can be called up and activated again at any time. This function becomes only effective in the current program. Determining the seam sequence –...
  • Page 46 Deleting a seam from a seam sequence – Select program. Example: M01 – Press key “F1”. You get to the user level 2. – Press key “F2”. – Place the cursor on the seam number to be deleted from the seam sequence with the keys “ï“...
  • Page 47: Preseams

    6.6 Preseams With the sewing unit 1265/5 also the preseams (waistband seam 1, crotch seam 2 and hem seam 3) can be sewn. Calling up the parameter list for preseams – Press key “F1”. You get to the user level 2. –...
  • Page 48: Seam Starting Mode

    6.7 Seam starting mode Two starting modes of the sewing sequence are available: Start by photocell (automatic sequence) Start by foot pedal Altering the starting mode – Press key “F1”. You get to the user level 2. – Press key “F4”. Pedal start for seam off Pedal start for seam on 6.8 Activating the sewing motor...
  • Page 49: Input/ Output Test

    6.10 Input - Output test Via the input-output-test it it possible to select the inputs and outputs of the sewing unit control for trouble shooting and for checking individual machine steps. The outputs (Out) are called up and tested separately. The corresponding inputs (Inp) are indicated with the active output.
  • Page 50 Output elements Valve Output No. Sewing foot lifting Contour guide blowing Contour guide up/down Fly blowing Puller down/up Ejector down/up Swivelling the puller Feeding unit up/down Swivelling the blade Tension lifting Auxiliary roller down/up Sewing foot: high pressure Fly roller (optional) down/up Fusing stamp down/up...
  • Page 51: Programming Menus

    6.11 Programming menus 6.11.1 General notes The programming menus allow the generation of programs and the corresponding seams. In principal it is possible to generate a complete new program. An easier way is: l to copy a program provided by the manufacturer to a free storage location in the memory and to adapt it to the conditions of your production.
  • Page 52 F3 = Copying the seam number (program number) ATTENTION! The current program is overwritten. – Press key “P”. The programming level is called up. – Press key “F1”. The function INIT PARAMETER is called up. – Press key “F3”. The function COPYING OF SEAM NUMBER is called up. –...
  • Page 53: F2 = Memory Card

    6.11.4 F2 = Memory card F1 = Current seam -> Card F2 = Card -> Current seam F3 = Machine memory -> Card F4 = Card -> Machine memory F5 = Memory card format F1 = Current seam -> Card (storing the data on the memory card) The memory function optionally allows the securing of only one selected program or the securing of all programs.
  • Page 54 F2 = Card -> Current seam (data transfer from the memory card to the control) Data secured on the memory card can optionally be transferred to the control as individual program or as complete data pool of all programs. Note If the complete data pool of all programs is transferred to the control, all data are overwritten, even seams which had been altered in the meantime.
  • Page 55: F3 = Diagnostics

    Call up the test functions. Note These service functions should only be carried out under the guidance of the Beisler service department or in cooperation with experienced service personnel. Attention: Risk of breakage! During the tests individual machine aggregates or machine sequences are started.
  • Page 56: F5 = Additional Programs

    F1 = Service test/ F4 = I/O MODULE LONG-TERM TEST Attention: Risk of injury! All outputs are automatically switched one after the other. F4 = Sewing head test/ F1 = ACTIVATING THE SEWING MOTOR The current speed is compared with the ideal speed of the sewing motor.
  • Page 57 F3 = Language selection The language of the menu navigation and of the hints indicated in the display can be altered. – Press key “P”. The programming menus are called up. – Press key “F5”. The function ADDITIONAL PROGRAMS is called up. –...
  • Page 58: Maintenance

    Maintenance 7.1 Cleaning and checking Caution: Risk of injury ! Switch the main switch off. The maintenance of the sewing unit must only be carried out with the machine switched off. Maintenance work has to be done after the intervals indicated in the tables at the latest (see column “Operating hours”).
  • Page 59 Maintenance work Explanation Operating to be done hours Pneumatic system The water level must not rise up to the filter - Check the water level in the pressure regulator 3 insert 4. Let the water run out of the water separator under pressure after pressing the drain plug 5.
  • Page 60: Oil Lubrication

    7.2 Oil lubrication Caution: Risk of injury ! Oil may cause skin eruption. Avoid a longer contact with the skin. Wash yourself thoroughly after a contact. ATTENTION ! The handling and disposal of mineral oils is subject to legal regulations. Deliver used oil to an authorized collecting station.
  • Page 61 Index Page: Part 2: Assembly instructions cl. 1265/5 Scope of delivery ..........General notes .
  • Page 63: Scope Of Delivery

    Scope of delivery The scope of delivery is dependent on your order. The sewing unit consists of: – 1 Sewing machine head (as per order) – 2 Thread reel holder – 3 Control with control panel – 4 Material tray –...
  • Page 64: Installing The Sewing Unit

    Installing the sewing unit 3.1 Transport protections Before installing the sewing unit all transport protections have to be removed. Transport protections at the sewing unit – Remove the protective foils 1. – Remove the security tapes from the thread reel holder, the machine table etc.
  • Page 65: Setting The Working Height

    Safety protections at the alternating stacker – Remove the security tapes from the stacker. 3.2 Setting the working height The working height is adjustable between 850 and 1200 mm (measured up to the top edge of the table top). – Loosen screws 1 and 2 on all four spars.
  • Page 66: Mounting The Thread Reel Holder

    3.3 Mounting the thread reel holder – Insert the thread reel holder 1 in retainer 2. – Tighten the thread reel holder 1 with the screw 3. 3.4 Mounting the control panel The control panel 2 has been removed for transportation and the tube 3 has been lowered.
  • Page 67: Mounting And Aligning The Stacker

    3.5 Mounting and aligning the stacker 3.5.1 Mounting the throw-over stacker – Approach the stacker with the holder 4 to the sewing unit. – Screw the holder 4 on the sewing unit with two screws 5. – Align the stacker in such a way that the smoother 6 is in parallel position to the edge of the table top 7.
  • Page 68: Mounting The Alternating Stacker

    3.5.2 Mounting the alternating stacker – Approach the stacker 1 with the holder 2 to the sewing unit. – Screw the holder 2 on the sewing unit with two screws 5. – Align the stacker in such a way that the shield 3 is in parallel position to the edge of the table top 4.
  • Page 69 Pneumatic connections for the table – Guide the compressed air lines 2 through the spar 2. – Lay the blue cable to the right and secure with clamp 1. – Lay the black cable to the left and secure with clamp 4. –...
  • Page 70: Mounting The Tray

    3.6 Mounting the tray The trays 2 and 3 have been removed for transportation. – Loosen screws 4 and 5. – Push the spars 1 right to the top. – Retighten screws 4 and 5. – Put the trays 2 and 3 on the spars 1 and draw them to the corresponding working height.
  • Page 71: Electrical Connection

    Electrical connection ATTENTION ! Any work on the electrical equipment of the sewing unit must only be carried out by electricians or correspondingly instructed persons. The mains plug must be pulled out. 4.1 Checking the nominal voltage ATTENTION ! The nominal voltage indicated on the type plate of the sewing machine control and the mains voltage must correspond.
  • Page 72: Pneumatic Connection

    Pneumatic connection For the operation of the pneumatic components the sewing unit has to be provided with anhydrous compressed air. ATTENTION! For a trouble-free function of the pneumatic control processes the compressed air net has to be rated as follows: Even in the moment of maximum air consumption the minimum operating pressure must not drop below 6 bar.
  • Page 73: Putting Into Operation

    Putting into operation 6.1 Sewing test After completion of the installation work a sewing test should be made. – Plug in the mains plug. Caution: Risk of injury! Switch the main switch off. Thread needle and hook thread only with the sewing unit switched off. –...
  • Page 74 Note:...
  • Page 75 Index Page: Part 3: Service instructions class 1265/5 General notes ..........Brief instructions for the sewing head .
  • Page 76 Index Page: Direct sewing drive ..........3.5.1 Setting the reference.
  • Page 77: General Notes

    The brief instructions are a summary of the detailed operating instructions of the sewing head. In any case these operating instructions have to be carefully read and all regulations have to be observed. The Beisler company does not guarantee the accuracy of the following specifications. ATTENTION !
  • Page 78: Brief Instructions For The Sewing Head

    Brief instructions for the sewing head 2.1 Adjusting the needle bar height Caution: Risk of injury! Switch the main switch off. Check and adjust the height of the needle bar only with the sewing unit switched off. Standard and checking In the top dead centre of the needle bar the distance between the needle point 4 and the throat plate should amount to 10.4 - 10.6 mm.
  • Page 79: Adjusting The Hook

    2.2 Adjusting the hook 2.2.1 Distance between overlock hook and needle 3,7 - 3,9 mm Caution: Risk of injury! Switch the main switch off. Check and adjust the hook only with the sewing unit switched off. Cross-line adjustment Standard and checking In the left reverse point of the overlock hook 1 the distance between the middle of the needle and the hook tip should amount to 3.7 - 3.9 mm.
  • Page 80 0 - 0,05 mm Adjustment in sewing direction Standard and checking The distance between hook tip 7 and needle 8 should amount to 0.0 - 0.05 mm. – Turn handwheel in direction of rotation until the hook tip is exactly at the level of the middle of the needle.
  • Page 81: Distance Between The Upper Overlock Hook And The Needle

    2.2.2 Distance between the upper overlock hook and the needle Caution: Risk of injury! Switch the main switch off. Check and adjust the hook only with the sewing unit switched off. Cross-line adjustment Standard and checking In the left reverse point of the upper hook 9 the distance between the middle of the needle and the hook tip 8 should amount to 4.4 - 4.7 mm.
  • Page 82 Adjustment in sewing direction Standard and checking When the right hook crosses the left hook, the distance “A” should amount to 0.5 mm and the distance “B” to 0.1 mm. Correction – Turn handwheel in direction of rotation until the right hook crosses the left hook.
  • Page 83: Adjusting The Needle Protection

    2.3 Adjusting the needle protection 2.3.1 Hind needle protection Caution: Risk of injury! Switch the main switch off. Check and adjust the needle protection only with the sewing unit switched off. Standard and checking When the tip of the left hook 3 is at the level of the middle of the needle, the hind needle protection 1 should abut on the needle.
  • Page 84: Front Needle Protection

    2.3.2 Front needle protection Caution: Risk of injury! Switch the main switch off. Check and adjust the needle protection only with the sewing unit switched off. Standard and checking When the tip of the left hook is at the level of the middle of the needle, the distance between the front needle protection 1 and the needle should amount to 0.1 - 0.2 mm.
  • Page 85: Adjusting The Feed-Dog

    2.4 Adjusting the feed-dog 2.4.1 Feed-dog inclination Caution: Risk of injury! Switch the main switch off. Check and adjust the feed-dog inclination only with the sewing unit switched off. Standard and checking In their highest position the feed-dogs should be horizontal. –...
  • Page 86: Feed-Dog Height

    2.4.2 Feed-dog height Caution: Risk of injury! Switch the main switch off. Check and adjust the feed-dog height only with the sewing unit switched off. Standard and checking When the feed-dogs are in their highest position, the teeth of the main feed-dog 4 should be 0.8 mm above the top edge of the throat plate, the teeth of the differential feed-dog 5 0.9 to 1.0 mm and the teeth of the auxiliary feed-dog 6 0.6 to 0.7 mm.
  • Page 87: Synchronous Run Of Differential Feed Dog And Main Feed-Dog

    2.4.3 Synchronous run of differential feed-dog and main feed-dog Standard The zero position of the step motors is determined by the reference disk 3. It covers the proximity switch 2 when referencing. Correction – Set the value 50 for the basic position of the differential feed in the program.
  • Page 88: Adjusting The Sewing Foot Lift

    2.5 Adjusting the sewing foot 2.5.1 Sewing foot height Caution: Risk of injury! Switch the main switch off. Check and adjust the sewing foot lift only with the sewing unit switched off. Standard When the piston rod 7 is extended, the lever 6 should abut on screw 5 and the clearance under the sewing foot should amount to 4 mm.
  • Page 89: Sewing Foot Inclination

    2.5.2 Sewing foot inclination Caution: Risk of injury! Switch the main switch off. Check and adjust the sewing foot only with the sewing unit switched off. Standard and checking Sewing foot inclination (cross-line) It should be possible to pull a 0.025 mm thick brass foil 2 from under the right part of sewing foot 1 with a slight clamping effect.
  • Page 90: Sewing Foot Pressure (Slight Pressure)

    2.5.3 Sewing foot pressure (slight pressure) Standard and checking The sewing foot pressure of the spring (slight pressure) must be as high as to guarantee a constant stitch length over the whole seam course when sewing without top feed. – Sew a test seam.
  • Page 91: Setting The Top Feed

    2.6 Setting the top feed 2.6.1 General notes The top feed drive is independent of the bottom feed and does not change automatically when the stitch length is changed. Therefore the stitch length has to be determined before the top feed can be set.
  • Page 92: Top Feed-Dog - Position

    2.6.3 Top feed-dog - Position Caution: Risk of injury! Switch the main switch off. Check and adjust the top feed only with the sewing unit switched off. Standard and checking Even with the largest stitch length the top feed-dog 1 must not hit the throat plate cut-out 2 of the sewing foot at the rear reversal point.
  • Page 93: Top Feed-Dog - Stitch Regulator Lever

    2.6.4 Top feed-dog - Stitch regulator lever Notch 12 Caution: Risk of injury! Switch the main switch off. Check and adjust the top feed only with the sewing unit switched off. Standard and checking When the stitch regulator lever 1 is positioned on the notch 12 after removing the limit and swivelling out the sewing foot, the top edge of casing 2 and the corner 3 of the slotted lever must be at the same level.
  • Page 94: Top Feed-Dog - Stroke

    2.6.5 Top feed-dog - Stroke Caution: Risk of injury! Switch the main switch off. Check and adjust the top feed only with the sewing unit switched off. Standard and checking The stroke of the top feed-dog is dependent on the thickness of the material to be processed.
  • Page 95: Spring Tension Of The U-Shaped Spring

    2.6.6 Spring tension of the U-shaped spring Caution: Risk of injury! Switch the main switch off. Check and adjust the top feed only with the sewing unit switched off. Standard and checking The spring tension can be set individually or on a fixed value. Correction with a fixed value –...
  • Page 96: Top Feed-Dog - Height

    2.6.7 Top feed-dog - Height Caution: Risk of injury! Switch the main switch off. Check and adjust the top feed only with the sewing unit switched off. Standard and checking Basic position The feed-dog 1 should be fastened in the upper third of the slotted hole at the feed-dog support 4.
  • Page 97: Lifting Lever

    2.6.8 Lifting lever Caution: Risk of injury! Switch the main switch off. Check and adjust the top feed only with the sewing unit switched off. Standard and checking In the lowest position of the top feed-dog there should be a distance of 0.5 mm between the top edge of the lifting lever 4 and the lower edge of the feed-dog support 3.
  • Page 98: Adjustment Of The Stopper

    2.6.9 Adjustment of the stopper Caution: Risk of injury! Switch the main switch off. Check and adjust the top feed only with the sewing unit switched off. Standard and checking When the needle point (coming from below) is 5 mm above the throat plate, turn the stopper 1 downwards until the top feed-dog starts moving upwards.
  • Page 99: Synchronous Run - Top Feed - Adjustment Of The Reference Position Of The Top Feed-Dog

    2.6.10 Synchronous run - Top feed - Adjustment of the reference position of the top feed-dog Standard The zero position of the top feed-dog step motor is determined by the reference disk 2 which covers the proximity switch when referencing. Correction –...
  • Page 100: Upper And Lower Knife

    2.7 Upper and lower knife 2.7.1 Changing and adjusting the upper knife Caution: Risk of injury! Switch the main switch off. Exchange and adjust the upper knife only with the sewing unit switched off. Standard In the lowest position of the upper knife the front edge of the blade should be 0.5 to 1.0 mm underneath the top edge of the throat plate.
  • Page 101: Changing And Adjusting The Lower Knife

    2.7.2 Changing and adjusting the lower knife Caution: Risk of injury! Switch the main switch off. Exchange and adjust the lower knife only with the sewing unit switched off. Standard The blade of the lower knife has to be flush with the top edge of the throat plate.
  • Page 102: Adjusting The Sewing Unit

    Adjusting the sewing unit 3.1 Adjusting the light barriers Caution: Risk of injury! The adjustment of the light barriers is done with the sewing unit switched on. Carry out adjustment and function test with utmost caution. Light barrier F13, sewing start at the waistband Control of the auxiliary roller contour guide 1, control of the fullness distribution, swivelling the swivel blad Light barrier F15, sewing start at the hem...
  • Page 103 Aligning the light barrier F16 The light barrier F16 has to be aligned in such a way that it is in line with the edge of the contour guide (material stop). – Loosen screws 6 and 7. – Align the light barrier support 5 correspondingly. –...
  • Page 104: Adjusting The Contour Guide

    3.2 Adjusting the contour guide Caution: Risk of injury! Switch the main switch off. Adjust the contour guide only with the sewing unit switched off. 1. Quick adjustment of height The rough setting of the material thickness is set and read off at the setting wheel 2.
  • Page 105 3. Contact pressure of the auxiliary roller The contact pressure of the auxiliary roller 6 is decisive for the constant fabric guide along the stop 7. The contact pressure has to be individually set according to the material to be processed. –...
  • Page 106: Adjusting The Stop Guide For The Edge Trimmer

    3.3 Adjusting the stop guide for the edge trimmer 3.3.1 Pneumatic stop (optional) Caution: Risk of injury! Switch the main switch off. Adjust the stop only with the sewing unit switched off. Correction of height position – Loosen screw 7. –...
  • Page 107: Puller And Ejector

    3.4 Puller and ejector 3.4.1 Changing the toothed belt of the step motor Caution: Risk of injury! Switch the main switch off. Change the toothed belt only with the sewing unit switched off. – Lower the feeding unit onto the table top manually. –...
  • Page 108: Changing The Toothed Belt Of The Puller

    3.4.2 Changing the toothed belt of the puller Caution: Risk of injury! Switch the main switch off. Change the toothed belt only with the sewing unit switched off. – Screw off sheet 1. – Lower the feeding unit onto the table top manually. –...
  • Page 109: Changing The Toothed Belt Of The Ejector

    3.4.3 Changing the toothed belt of the ejector Caution: Risk of injury! Switch the main switch off. Change the toothed belt only with the sewing unit switched off. – Lower the feeding unit onto the table top manually. – Switch the sewing unit off. –...
  • Page 110 3.5 Direct sewing drive 3.5.1 Setting the reference Caution: Risk of injury! Switch the main switch off. Check and adjust the hook only with the sewing unit switched off. Standard When the needle is in the position “7 mm after the bottom dead centre”, the drive belt has to be put on in such a way that the feather key 2 in the motor shaft points to the marking 1 in the motor casing.
  • Page 111 Maintenance Caution: Risk of injury ! Switch the main switch off. The maintenance of the sewing unit must only be done with the machine switched off. The daily or weekly maintenance work (cleaning and oiling) to be carried out by the operators of the sewing unit is described in the operating instructions (chapter 8).
  • Page 112 DÜRKOPP ADLER AG Potsdamer Straße 190 33719 Bielefeld GERMANY Phone +49 (0) 521 / 925-00 E-mail marketing@duerkopp-adler.com www.duerkopp-adler.com...

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