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755 B/756 B, F
Operating Instructions

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Summary of Contents for Dürkopp Adler 755 B

  • Page 1 755 B/756 B, F Operating Instructions...
  • Page 2 IMPORTANT READ CAREFULLY BEFORE USE KEEP FOR FUTURE REFERENCE All rights reserved. Property of Dürkopp Adler GmbH and protected by copyright. Any reuse of these contents, including extracts, is prohibited without the prior written approval of Dürkopp Adler GmbH. Copyright © Dürkopp Adler GmbH 2021...
  • Page 3: Table Of Contents

    Adjusting to the sewing material thickness ......... 55 4.25.1 Height of the pick-up folder............55 4.25.2 Height of the guiding plates ............55 4.26 Stripe correction (class 756 only, method F) ......56 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 4 Assembling the reel stand ............311 Assembling the control panel ........... 312 Assembling the cylinder for the pick-up folder stroke ....312 Assembling the throw-over stacker........... 313 Assembling the table extensions (additional equipment)..316 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 5 Customer Service ..............331 10.2 Messages of the software............331 Technical data................. 351 11.1 Data and characteristic values ..........351 11.2 Requirements for fault-free operation ........351 Appendix ................. 353 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 6 Table of Contents Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 7: About These Instructions

    Specifies proper setting. Disturbances Specifies the disturbances that can occur from an incorrect adjustment. Cover Specifies which covers must be disassembled in order to access the com- ponents to be set. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 8 Safety ( p. 9). If no other clear location information is used in a figure, indications of right Location information or left are always from the user's point of view. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 9: Other Documents

    This will ensure any claims against the transport company. Report all other complaints to Dürkopp Adler immediately after receiving the product. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 10 About these instructions Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 11: Safety

    • Setting up the machine • Performing maintenance work and repairs • Performing work on electrical equipment Only authorized persons may work on the machine and must first have understood these instructions. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 12: Signal Words And Symbols Used In Warnings

    If ignored, environmental damage can result NOTICE (without hazard symbol) If ignored, property damage can result The following symbols indicate the type of danger to personnel: Symbols Symbol Type of danger General Electric shock Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 13 Consequences of non-compliance. Measures for avoiding the danger.  This is what a warning looks like for a hazard that could result in moderate or minor injury if the warning is ignored. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 14 Type and source of danger! Consequences of non-compliance. Measures for avoiding the danger.  This is what a warning looks like for a hazard that could result in property damage if ignored. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 15: Machine Description

    (1) - Sewing light (5) - Vacuum system (2) - Turning device (6) - Main switch (3) - Tape unwinder (7) - Winder (4) - Pedals (8) - Control panel Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 16: Proper Use

    Improper use can result in electric shock, crushing, cutting and punctures. Follow all instructions provided. NOTICE Non-observance will lead to property damage! Improper use can result in material damage at the machine. Follow all instructions provided. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 17: Declaration Of Conformity

    Machine description 3.3 Declaration of Conformity The machine complies with European regulations ensuring health, safety, and environmental protection as specified in the declaration of conformity or in the declaration of incorporation. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 18 Machine description Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 19: Operation

    Fig. 2: Switching on the machine To switch on the machine: 1. Turn the main switch from position 0 to position I.  The machine starts up. The control panel starts up. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 20: Swiveling The Folder Station Out

    3. Swivel the light barriers (1) out to the left. Information If the machine is switched on, the display of the control panel will show a safety message: Info 9002  The sewing area is freely accessible. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 21: Swiveling The Folder Station In

    To swivel the folder station in: 1. Swivel down the light barriers (3). 2. Swivel down the folder station (2). 3. Lock the folder station (2) in place inside the locking mechanism (1). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 22: Changing Needles

    2. Loosen the screws (2) and remove the needles from the needle holders (1). 3. Insert new needles into the holes of the needle holders (1) until they reach the stop (use only the correct needles  p. 351). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 23: Threading The Needle Thread

    3. Fit the thread reel onto the left side of the reel stand holder (2). 4. Feed the needle thread from the thread reel through the holes (1) of the reel stand holder (2). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 24 15. Feed the needle thread through the needle thread monitor (6). 16. Feed the needle thread through the guide (7). 17. Feed the needle thread through the guide (8). 18. Feed the needle thread into the left needle. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 25 8. Guide the needle thread clockwise around the thread tension (19). 9. Feed the needle thread through the guide (18). 10. Feed the needle thread around the thread tensioning spring (17). 11. Feed the needle thread through the hole (16). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 26: Winding The Hook Thread

    (1) - Hole (5) - Bobbin hub (2) - Hook thread tension (6) - Thread-pulling knife (3) - Winder lever (7) - Reflecting surface (4) - Bobbin (8) - Guide Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 27 Keep the reflecting surface (7) of the bobbin clean. Information The winder stops automatically when the configured bobbin filling volume has been reached. For the setting of the bobbin filling volume, see the  Service Instructions. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 28: Changing The Bobbins

    6. Remove the empty bobbin from the bobbin case upper section (1). Fig. 11: Changing the bobbins (2) ④ ⑤ (4) - Slot (5) - Thread tensioning spring 7. Insert the full bobbin into the bobbin case upper section (1). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 29: Thread Tension

    The braking spring (4) is used to slow down the bobbin. To adjust the hook thread tension and the brake power of the bobbin: 1. Switch off the machine. 2. Disconnect the compressed air supply ( p. 31). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 30 Fig. 14: Adjusting the hook thread tension and the bobbin brake power (3) ⑥ ⑦ (6) - Hook thread (7) - Needle hole  The hook thread (6) has now been pulled up through the needle hole (7). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 31 (10) - Thread tension - left needle thread needle thread To adjust the needle thread tension: 1. Set the needle thread tension so that an even stitch pattern is achieved. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 32 ③ (1) - Identical needle thread and hook thread tension (2) - Hook thread tension higher than needle thread tension (3) - Needle thread tension higher than hook thread tension Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 33: Disconnecting The Compressed Air Supply

    Fig. 18: Disconnecting the compressed air supply ① (1) - Handle To disconnect the compressed air supply: 1. Pull the handle (1) on the compressed air maintenance unit to the left. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 34: Sliding Back The Hood And Removing The Fabric Sliding Plate

    Ensure that the shims have been moved out of the throat plate area and out of the guides. Fig. 19: Sliding back the hood and removing the fabric sliding plate (1) ① (1) - Hood Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 35 2. Lift the fabric sliding plate (2) off the pin (3) and swing it out to the left. 3. Lift the fabric sliding plate (2) at the pin (4). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 36: Swiveling Up The Machine Head

    (2) - Fabric sliding plate To swivel up the machine head: 1. Swing the folder station (3) out ( p. 18). 2. Disassemble the fabric sliding plate (2). 3. Swivel the lever (1) up. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 37 Operation Fig. 22: Swiveling up the machine head (2) ④ (4) - Latch 4. Lift and carefully swivel up the machine head. The latch (4) locks into place as well. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 38: Swiveling Down The Machine Head

    Fig. 23: Swiveling down the machine head (1) ① (1) - Latch To swivel down the machine head: 1. Hold the machine head in place. 2. Release the latch (1). 3. Swivel down the machine head carefully. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 39 (2) - Lever (4) - Folder station (3) - Fabric sliding plate 4. Insert the fabric sliding plate (3). 5. Swivel the lever (2) down. 6. Swivel down the folder station (4). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 40: Remaining Thread Monitor

    2. Clean the lenses of the light barriers with a soft cloth every time you change the bobbin. 3. Wind the bobbin. 4. Switch on the machine. 5. Start a new sewing process. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 41: Stacker Control

    Do not reach into the movement area of the transport carriage when removing the workpiece. Do not clean the lenses of the light barriers unless the machine is switched off. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 42: Setting Up Double Pipe/Single Pipe

    ① ① (1) - Spindles To change the folder tools: 1. Press Folder change position on the start screen. 2. The spindles (1) move up. 3. Switch off the machine. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 43 (3) - Pick-up folder (4) - Lever 5. Flip the lever (4) while holding the pick-up folder (3) in place. 6. Pull the pick-up folder (3) out towards the front. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 44 13. Carefully insert the pick-up folder as far as it will go, hold in it place, and flip the lever (4). 14. Connect the hoses (2) of the pneumatic system again. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 45: Setting Up Double Pipe

    > Transport clamp quick adjustment ( p. 167). 2. Position the piping strip at the front or rear stop (2). 3. Position the piping strip at the lateral stop (1). 4. Start sewing. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 46: Setting Up Single Pipe

    > Transport clamp quick adjustment ( p. 167). 2. Position the piping strip at the front or rear stop (3). 3. Position the piping strip at the center stop (4). 4. Start sewing. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 47: Corner Knife Station

    NOTICE Property damage may occur! Unless swiveled in all the way, the corner knife station can damage the machine. When swiveled in, the corner knife station engages audibly. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 48 Fig. 34: Swiveling the corner knife station in and out (1) automatic corner knife station (straight pocket) ① automatic corner knife station (slanted pocket) ① multi-functional corner knife station ① (1) - Corner knife station Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 49 3. Grasp the corner knife station (1) at the bottom and swivel it out to the left.  The knives are accessible for setup and service work. 4. Swivel the corner knife station (1) back and re-engage it. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 50: Adjust Corner Knife (Automatic Corner Knife Station)

    5. Adjust the angle at the other pair of knives accordingly. 6. Swivel in the corner knife station. Adjusting the height of the corner knives The height of the corner knives cannot be adjusted. The knives always cut through completely. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 51: Adjusting The Corner Knives (Multi-Functional Corner Knife Station)

    • Straight pocket corners: the right and the left corner knife cuts are parallel to one another • Slanted pocket corners: the left corner knife cut is offset by +/- 13 mm relative to the right corner knife cut Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 52: Adjusting The Programmable Marking Lamp (Lengthwise)

    The marking lamp lines up automatically with the corresponding positioning point (front/middle/back). The programmable marking lamp (1) is set using the OP7000 control panel. Program parameters > Vertical programmable marking lamps ( p. 145). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 53: Adjusting The Programmable Marking Lamp (Crosswise)

    (for example, different trouser sizes). The programmable marking lamp (1) is set using the OP7000 control panel. Program parameters > Horizontal programmable marking lamps ( p. 146). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 54: Needle Transport

    The setting for the transport clamps is made using the OP7000 control panel. Program parameters > Process of transport clamp > Spread transport clamp ( p. 170). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 55: Moving To The Reference Position

     The positioning sequence / cycle process is stopped immediately. The display shows the following message: Warning 9601 2. Press the left pedal back again.  The transport carriage moves to its rear end position. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 56: Flap And Piping Projection

    (6) - Guiding plate at the folder (2) - Flap projection (3) - Flap NA: Seam projection (4) - Piping strip a, b: Material passage at the folder (5) - Piping projection max. 50 mm Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 57: Adjusting To The Sewing Material Thickness

    Fig. 44: Height of the guiding plates The height of the guiding plates is adjusted using the OP7000 control panel. Program parameters > Guiding plates and folder ( p. 182). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 58: Stripe Correction (Class 756 Only, Method F)

    5. Press the left pedal forward.  The clamping bar closes and holds the flap in place. The mechanical flap stopper swivels up. 6. Press the right pedal backwards.  The vacuum is switched off. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 59 Shift of the flap to the right = higher value 11. Take off the flap before repositioning and re-aligning it. 12. Sew on and check the flap; correct again if necessary. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 60: Additional Equipment

    The setting for the blow-out device is made using the OP7000 control panel. Program parameters > Stacker/smoother/ blow-off/ roll-off ( p. 179). Information The blow tube continues to blow until the light barrier used for stacker con- trol is clear. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 61: Outfeed Roller

    The smoother keeps the sewn trousers parts from twisting if a bundle clamp is used during sewing. The sewn trousers parts are thus positioned straight and neatly in the bundle. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 62  The smoother (1) can be swiveled to the side to make the corner knife station accessible. The setting for the smoother is made using the OP7000 control panel. Program parameters > Stacker/smoother/ blow-off/roll- off ( p. 179). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 63: Throw-Over Stacker

    The pincer stacker can be used for stacking long and short workpieces. Fig. 53: Pincer stacker The setting for the pincer stacker is made using the OP7000 control panel. Program parameters > Stacker/smoother/ blow-off/roll- off ( p. 179). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 64: Bundle Clamp

    2. Insert the hind trousers parts into the bundle clamp (2). 3. Release the pedal (3).  The bundle clamp (2) closes. 4. Deposit the clamped hind trousers parts on the table extension (1). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 65: Tape Feeder And Automatic Cutter

    3. Place the washer (5) and tighten the locking lever (6). Ensure that the tape roll is clamped securely. 4. Feed the reinforcement strip (4) from bottom to top through the advanc- ing device (3). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 66  The reinforcement strip (4) is cut to the correct length. Information The setting for the tape projection at seam beginning and seam end is made using the OP7000 control panel. Program parameters > Automatic tape feeder ( p. 162). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 67: Automatic Incision Device For Piping Ends

    It can be changed as needed. The programmable value S indicates the length of the cut within the pocket length T. The value S is preset and can be adjusted in the menu Adjust piping knife ( p. 232). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 68 The incision device for piping ends must be cleaned regularly. Depending on the material, the knives may have to be replaced as well. For a detailed description, refer to the maintenance instructions ( p. 291). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 69: Feeding Devices For Flaps And Pocket Bags And/Or Additional Parts

    6. Position the flap or additional part at the stops of the feeding device (3). 7. Release the right pedal.  The clamp (4) of the feeding device on the right (3) closes. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 70 8. Press the left pedal forward.  The folding process is initiated. The clamps of feeding devices (2) and (3) swivel out of the loading area and feed the flap or additional parts. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 71: 10Shaped Guide Lining Loop Triangle

    3. Tighten the screws (4). 4. Set the sewing depth of the lining loop triangle (2) by shifting the shaped guide (3) with the help of the knurled screws (6). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 72: 11Zipper Feeders

    • Cut to length • No slider • Total width 24 mm • Chain width approx. 4 mm Fig. 61: Zipper feeders ① ② (1) - Zipper (2) - Guide bar Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 73 2. Apply custom positioning marks on the rest table. 3. Push the zipper (1) into the guide bar (2) up to the positioning mark. 4. If required, position and feed a pocket bag. 5. Start sewing. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 74: 12Downholder And Pocket Bag Clamp

    3. Press the left pedal forward.  The downholder (1) lowers and clamps the hind trousers in their position. 4. Smooth out the clamped hind trousers laterally and to the front. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 75: 13Waistband Clamp

    5. Press the left pedal forward.  Downholder and waistband clamp (1) lower and clamp the hind trousers in their position. 6. Smooth out the clamped hind trousers laterally and to the front. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 76: 14Shims

    The shims can be switched on and off in the Machine configuration at the OP7000 control panel ( p. 187). When the shims are switched on, the corresponding icon is displayed on the start screen. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 77: 15Vacuum Device

    1. Switch on the switch (1) of the vacuum device. 2. Go to the menu Program parameters > Program loading process > Switch on vacuum to activate the vacuum ( p. 171). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 78: 16Pneumatic Pocket Bag Clamp: Loading From The Left

    - also in combination with downholder / vacuum - is made using the OP7000 control panel. Program parameters > Program loading process > Select downholder mode ( p. 171). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 79: 17Flap Stopper (Mechanical) - Method F

    - increasing the distance for wider flaps screwing out: the stopper is moved to the left - reducing the distance for narrower flaps Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 80: 18Flap Stopper (Motor-Driven)

    Fig. 69: Flap stopper (motor-driven) ① (1) - Flap stopper The setting for the motor-driven flap stopper is made using the OP7000 control panel. Program parameters > Program loading process ( p. 171). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 81: Sewing

    • Piped pockets  p. 89 • automatic feed of piping strip and additional parts • automatic aligning and feed of the flap • with/without incision of the piping ends Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 82: Method B

    Information Please note: Check and stripe material requires that you mark the flap manually. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 83  The right feeding device (14) closes. 9. Position the right jacket front part (2) with the dart (1) at the light spot (20). 10. Align the pocket incision at the middle knife incision (7). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 84 To sew pocket openings with flap into left jacket front parts: 1. For a left jacket front part, position the piping strip (16) at stop (12). 2. Position the piping strip at stop (11). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 85 The folding plates open, and the pick-up folder swivels back to its initial position • 4 pedal tap: The transport clamps lift • 5 pedal tap: The transport carriage returns to its waiting position Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 86 Depending on the selected pedal mode ( p. 178), the loading process is completed either using inching operation or automatically. With a press of the button on the start screen, the previously picked- up piping strip can be released again. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 87 1. Align the light spot (10) such that it lines up exactly on top of the dart. To align the hind trousers at positioning marks (5) and (9) (positioning method B): 1. Position the right hind trousers. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 88 (4) - Pocket opening end (11) - Piping (7) - Stop piping strip (12) - Flap - Positioning mark 3. Set the stop (7) relative to the pocket opening end (4). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 89  The vacuum is switched on. 12. Press the left pedal forward.  The piping (11) is incised and picked up. The transport carriage moves to the loading position. The transport clamps are lowered. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 90 The transport carriage returns to its waiting position Information Depending on the selected pedal mode ( p. 178), the loading process is completed either using inching operation or automatically. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 91: Method F

    The alignment needed to match checks and stripes should always be made in the front to middle section of the flap relative to the jacket front part. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 92 6. Position the right jacket front part (2) with the dart (1) at the light spot (5). 7. Align the pocket incision at the light spot (7) (middle knife incision). 8. Press the left pedal forward.  The vacuum is switched on. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 93 13. Press the right pedal backwards.  The vacuum is switched off. 14. Use both hands to manually align the jacket front part under the clamped flap exactly as per the pattern. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 94 (5) - Light spot dart position (11) - Pocket bag (6) - Light spot seam end (12) - Feeding device (7) - Light spot middle knife incision (13) - Stop Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 95 6. Position the left jacket front part (3) with the dart (1) at the light spot (5). 7. Align the pocket incision at the light spot (7) (middle knife incision). 8. Press the left pedal forward.  The vacuum is switched on. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 96 13. Press the right pedal backwards.  The vacuum is switched off. 14. Use both hands to manually align the jacket front part under the clamped flap (15) exactly as per the pattern. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 97 You adjust the stripe correction at the control panel OP7000. Program parameters > Pattern matching ( p. 56 and  p. 184) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 98 Depending on the selected pedal mode ( p. 178), the loading process is completed either using inching operation or automatically. With a press of the button on the start screen, the previously picked- up piping strip can be released again. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 99: Programming

    Needle transport On/Off (756 A only)  p. 188 Programmable marking lamps On/Off  p. 188 Pocket bag clamp On/Off  p. 188 Hook thread monitor On/Off  p. 188 QONDAC On/Off  p. 188 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 100 2.4.1 Adjust corner knife  p. 214 Adjust offset angle seam begin./seam end  p. 215 2.5 Adjust and test sewing motor  p. 217 Switch split needle bar On/Off  p. 217 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 101  p. 206 2.17 Test guiding plates  p. 248 2.17.1 Adjust guiding plates  p. 249 2.18 Test turning device  p. 250 2.18.1 Adjust turning device  p. 251 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 102  p. 130 5.1.4 Create/change seam program  p. 132 5.1.4.5 Adjust securement seam beginning left needle  p. 135 5.1.4.6 Adjust securement seam beginning right needle  p. 136 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 103 Automatic speed adjustment On/Off  p. 151 5.1.9 Corner knife (straight pocket)  p. 153 Corner knife (slanted pocket, automatic)  p. 155 Corner knife (slanted pocket, multi-functional)  p. 158 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 104 5.1.11.4 Return of transport clamp  p. 164 5.1.11.5 Waiting position of transport clamp  p. 165 5.1.12 Process of transport clamp  p. 166 5.1.12.2 Select process of transport clamp  p. 168 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 105  p. 180 5.1.15.9 Roll-off Speed  p. 180 5.1.17 Adjust guiding plates and folder  p. 182 5.1.18 Pattern matching  p. 184 5.1.20 Adjust piping knife  p. 181 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 106  p. 203 Adjust counting direction of piece counter UP/DOWN  p. 199 Knitwear mode On/Off  p. 199 6.0 DAC internal For DA staff only 7.0 DAC update  p. 254 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 107 10.0 Maintenance 10.3 Display software version  p. 279 10.4 Enter date and time  p. 280 Internal information (password-protected) (for DA staff only) Updating the machine software  p. 285 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 108 The user must enable the machine for use after the display of the welcome message goes out. Follow the instructions shown on the display for this purpose: To switch on the machine: 1. Press the pedal.  The control panel is enabled. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 109 Description ① Display of pocket programs in sequence ② Automatic seam sequence  p. 126 ON/OFF ③ Editing a seam sequence  p. 113 ④ Piece counter  p. 112 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 110 The password is 25483. Displaying Help To display Help: 1. Press the Help button.  The button is highlighted with a red circle Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 111 Home button • saves the settings in the menu • Return to the start screen Return button • saves the settings in the menu • Return to next higher menu level Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 112 To enter a negative value on the numeric keypad: 1. Enter the desired value. 2. Press the +/- button.  The value is given a - sign and becomes negative. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 113 3. In the text you have already entered: tap on the place where you wish to enter new text.  The text will be deleted starting at the place where you tapped. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 114  The display switches to Edit mode. 2. Use the numeric keypad to set the desired number of pieces (0-10000). 3. Confirm with OK.  The display returns to the start screen. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 115 Varies with the Selected seam sequence programming ② Varies with the Display of pocket programs assigned to the seam programming sequence ③ Call up additional seam sequences • in steps of 5 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 116 ⑬ ⑩ ⑪ ⑫ (9) - Seam sequence template (12) - Help (10) - Seam sequence to be created (13) - Delete pocket program (11) - Available pocket program slot Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 117 The pocket programs will be stored in the seam sequence in the order in which they were added to the seam sequence. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 118 Important The preset program is copied to the selected pocket program slot, deleting the previous program. 5. Select additional preset programs as described above and add them to the sequence. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 119 OR tap on the trash to delete all pocket programs.  The pocket programs are deleted from the sequence. 2. Press the button (1).  The display switches to Select program. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 120 The order in which they are selected corresponds to the order of the programs in the seam sequence.  To scroll up and down the list of pocket programs, press the buttons Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 121  The display switches to Select source of sequence. Fig. 93: Changing the seam sequence template (2) Display of the sequence Selectable content sequences  The destination sequence is grayed out and cannot be selected. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 122 4. Use Drag and Drop to drag any pocket programs you do not need from the sequence to be created (3) to the trash OR tap on the trash to delete all pocket programs.  The pocket programs are deleted from the sequence. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 123  The display returns to Overview of sequences. 7. Press the button to save the setting and return to the start screen.  You can start sewing with the new seam sequence right away. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 124 Fig. 97: Naming a seam sequence (2) 2. Enter the desired sequence name. You can enter up to 18 characters. Every sequence must be given a name. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 125 3. Press the desired seam sequence.  The selected seam sequence is highlighted with a bold frame and the color orange (1). 4. Press the button.  The display switches to Copy sequence. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 126 OR drag the bar up or down. Information Cancel the selection by pressing the same sequence again. 6. Press the desired seam sequence.  The display shows an info field. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 127 Fig. 101: Activating a pocket program from the seam sequence ① ② (1) - Pocket programs in sequence (2) - selected pocket program Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 128 To activate the automatic seam sequence: 1. Press the button.  The start screen shows arrows between the seam sequences. The arrows indicate that the automatic seam sequence has been activated. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 129 Symbols Meaning Select pocket program  p. 129 Enter name of pocket program  p. 130 Copy pocket program  p. 130 Create or change seam program  p. 132 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 130 • not active unless a seam program with flap has been selected( Create seam program  p. 132) 2. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 131 To activate the pocket program you configured, you must add it to the seam sequence ( p. 113). If the pocket program has already been copied to the selected seam sequence, you can activate it in the seam sequence ( p. 125). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 132 • Select the pocket program you wish to copy Select destination • Select the pocket program you wish to overwrite Save settings To copy a pocket program: 1. Press the button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 133 6. Confirm with OK.  The selected pocket program is copied. The message Copy was successful is displayed. 7. Confirm with OK.  The display switches to the selected seam program. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 134  The display switches to Create seam program. Fig. 106: Creating a seam program Press a button to either open another submenu or enter the desired values directly using the numeric keypad. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 135 Adjust slanted flap shape seam end (1 - 13 mm) Pocket shape seam end • straight • slanted • slanted • Adjust slanted pocket shape seam end (1 - 13 mm) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 136 • Automatic flap scan left Reset seam program To create a seam program: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 137 (0 - 10) To set the securement of the left seam beginning: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 138 ( p. 135). Adjusting securement seam end left needle  The display switches to Securement seam end left needle. Fig. 108: Adjusting securement seam end left needle Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 139 Adjusting securement seam end right needle Information The settings in sub-item Securement seam end right needle are adopted automatically from the settings for the Securement seam end left needle ( p. 136). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 140 The arrows in the left half of the display indicate the correction direction: Correction inward Correction outward The set correction value is adopted for all 3 positioning points when you switch positioning points. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 141 Activate automatic flap scan left ( p. 193) • fully automatic working method To activate the flap: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 142 Fig. 111: Activating the flap (2) ② ① ② ③ (1) - Quick access corner knife (2) - Quick access flap correction correction (3) - Display of flap Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 143 • -20 mm - +20 mm To make a correction to the light barrier: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 144 Fig. 113: Adjusting correction light barrier seam begin./end Information The arrows in the left half of the display indicate the correction direction: Seam beginning Correction outward Correction inward Seam end Correction outward Correction inward Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 145 Meaning Activate marking lamps 1 - 16  p. 144 Programmable marking lamps in sewing direction  p. 145 Programmable marking lamps crosswise to the sewing direction  p. 146 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 146 Fig. 115: Activate marking lamps 1-16 Symbols Meaning Marking lamp activated Marking lamp deactivated To activate the marking lamps: 1. Press the button of the desired marking lamp.  The marking lamp is (de)activated. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 147 1. Press the button  The desired marking lamp moves to the corresponding position. 2. Press the button 3. Enter the desired correction value using the numeric keypad. 4. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 148 Adjust programmable marking lamp Y-axis • -120 - 120 To program the programmable marking lamps for the Y-axis: 1. Enter the desired correction value using the numeric keypad. 2. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 149 • R.p.m. seam end (100 RPM - 1500 RPM) Additional thread tension • Additional thread tension seam begin. On/Off • Additional thread tension seam end On/Off Needle transport  p. 150 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 150 Number of stitches for loosening the needle thread clamp • 1 - 20 To edit the soft start parameters: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 151 • 100 RPM - 1500 RPM To adjust the speed of the seam securement: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 152 Adjust needle transport at seam beginning • 0 - 100 % Adjust needle transport in main seam • 0 - 100 % Adjust needle transport at seam end • 0 - 100 % Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 153 • 0 mm - 30 mm To set the middle knife parameters: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 154 Fig. 123: Adjusting middle knife correction seam begin./seam end Information The arrows in the left half of the display indicate the correction direction: Seam beginning Correction outward Correction inward Seam end Correction inward Correction outward Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 155 Adjust corner knife correction seam end  p. 154 • -9.9 mm - 9.9 mm To adjust the corner knife: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 156 Fig. 125: Adjusting corner knife correction seam begin./seam end Information The arrows in the left half of the display indicate the correction direction: Seam beginning Correction outward Correction inward Seam end Correction inward Correction outward Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 157 • -9.9 mm - 9.9 mm Correction seam begin. right  p. 156 • -9.9 mm - 9.9 mm Corner knife seam begin. right On/Off Corner knife seam end left On/Off Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 158 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Adjusting corner knife correction seam begin./seam end Fig. 127: Adjusting corner knife correction seam begin./seam end Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 159 Programming Information The arrows in the left half of the display indicate the correction direction: Seam beginning Correction outward Correction inward Seam end Correction inward Correction outward Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 160 Correction seam begin. right  p. 159 • -9.9 mm - 9.9 mm Correct corner knife angle seam begin. right  p. 160 • -9.9° - 9.9° Corner knife seam begin. right On/Off Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 161 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Adjusting corner knife correction seam begin./seam end Fig. 129: Adjusting corner knife correction seam begin./seam end Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 162 The arrows in the left half of the display indicate the correction direction: Seam beginning Correction outward Correction inward Seam end Correction inward Correction outward Correcting corner knife angle seam begin./seam end Fig. 130: Correcting corner knife angle seam begin./seam end Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 163 The arrows in the left half of the display indicate the correction direction. Seam beginning Correction inward (smaller angle) Correction outward (greater angle) Seam end Correction outward (greater angle) Correction inward (smaller angle) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 164 • 0 - 99 mm Adjust length of tape at seam end • 0 - 99 mm Adjust clamp speed during transport with tape feed switched on • 10 - 100 % Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 165 Adjust return of transport clamp  p. 164 • Without transport • Transport up to stacking position • Transport up to loading position Adjust waiting position of transport clamp  p. 165 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 166 • The transport clamp automatically moves to the loading position after sewing before returning to its waiting position • 0 mm - 300 mm (set position of the loading position) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 167 • 1 mm - 515 mm To adjust the waiting position of the transport clamp: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 168 (e. g. lining fabrics) • 30 - 100 % To adjust the process of the transport clamp: 1. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 169 Left out, right in (single pipe left) Left in, right out (single pipe right) Left out, right out To select the transport clamp quick adjustment:  Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 170 Lower right transport clamp first, depressurize left transport clamp Vacuum off after lowering the left transport clamp Vacuum off after lowering the right transport clamp To select the process of the transport clamp: 1. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 171 -9.9 mm - 9.9 mm Left out, right out (custom applications) • Correction clamp left outside -9.9 mm - 9.9 mm • Correction clamp right outside -9.9 mm - 9.9 mm Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 172 Spread clamp right before transport start • -1.0 mm - 1.0 mm To spread the transport clamp: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 173 Vacuum On/Off Downholder On/Off (only for 755 B and 756 B) Select downholder mode  p. 173 (only for 755 B and 756 B) Waistband clamp On/Off (only for 755 B and 756 B) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 174 (not possible unless feeder, plain material pattern detection, and light barrier are active p. 132) To program the loading process: 1. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 175 2: Vacuum 1: Downholder + vacuum 2: Waistband clamp 1: Downholder 2: Vacuum 3: Waistband clamp 1: Downholder + vacuum Waistband clamp off 1: Downholder 2: Waistband clamp 3: Vacuum Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 176 1. Press the desired button. Information The numbering of the buttons downholder , vacuum and waist- band clamp in the lower half of the display changes with the selected setting. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 177 2: Blowing ON at folding plate 180 mm + blowing ON at flap clamp 1: Blowing ON at flap clamp, blowing ON at folding plate for 180 mm seam path Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 178 1. Press the desired button. Information The numbering of the buttons folding plate , flap clamp and low- er pickup folder in the lower half of the display changes with the se- lected setting. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 179 Programming Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 180 • The flap clamps can be opened or closed again after the flap clamps have been lowered, and the sewing process is started To select pedal mode: 1. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 181 • only with active blow-out device Adjust the duration for which the blow-out device will be blowing • only with active blow-out device • 0 ms - 1000 ms Roll-off On/Off Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 182 To adjust the stacker, the smoother, the blow-out device, and the outfeed roller: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 183 • Value range: 0 - 120 mm To adjust the piping knife: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 184 Guiding plates and folder right • thin • middle • thick Lift guiding plates left (lift up to seam beginning, for extra thick material) • Value range 0 - 6 mm Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 185 • Value range: 0 - 6 mm To adjust the guiding plates and the folder: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 186  The display switches to Pattern matching. Fig. 147: Pattern matching Symbols Meaning Patterned or plain material Flap projection • -3.0 mm - 3.0 mm Flap stopper  p. 185 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 187 The flap stopper automatically rises after the flap clamp is closed The flap stopper can be alternately raised and lowered using the left pedal The flap stopper rises and lowers together with the turning device Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 188 Test and set individual machine functions  p. 204 Perform system updates  p. 254 Test machine settings  p. 257 Read/write data to/from a USB key  p. 269 Initialize machine parameters  p. 276 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 189 You use this menu to set basic machine functions. The password is 25483.  The display switches to Machine config.. Fig. 150: Machine configuration Press a button to either open another submenu or select the desired options directly. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 190 Downholder On/Off (only for 755 B and 756 B) Select stacker/pincer stacker/smoother/blow-out device • Stacker not available • Throw-over stacker • Pincer stacker • Smoother • Blow-out device Piping knife On/Off Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 191 • right flap clamp only • left and right flap clamp Light barrier scan  p. 193 Waistband clamp On/Off (only for 755 B and 756 B) Transport clamp adjustment • manual • automatic Corner knife device •...
  • Page 192 (3) - Maximal seam length (2) - Working method To select the machine class and the matching seam length: 1. Select the desired class (1). 2. Select the desired working method (2). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 193 Selecting needle distance  The display switches to Select needle distance: Fig. 152: Selecting the needle distance To select the needle distance: 1. Select the desired needle distance. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 194 Fig. 153: Feeder and programmable flap stopper Symbol Meaning automatic flap feeder deactivated automatic flap feeder active programmable flap stopper programmable flap stopper right and left To adjust the feeder: 1. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 195  The settings for the left and the right light barrier can be configured separately. Information The available options vary with the selected class. You can configure no more than 4 light barriers at a time. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 196 (function pedal) • 2 pedal left Operation with 2 pedals • 1 pedal left (function pedal) • 2 pedal right To adjust the pedal operation: Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 197  The display switches to an overview of the possible tools. Tools that have already been selected are highlighted in gray. The display will only show the tools available for the selected class. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 198 Tools already in use are grayed out. 2. To navigate up and down the list, use the arrow buttons 3. Press the selected tool to select it.  The display returns to Machine config. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 199  The display switches to Global parameters. Fig. 158: Global parameters Press a button to either open another submenu, enter the desired values directly using the numeric keypad or select the desired options directly Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 200 Adjust guiding plates and folder height  p. 202 Needle thread monitor On/Off Select flap clamp feeding mode • open both together • Pedal forward = open left Pedal back = open right Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 201  p. 150 To set the global parameters: 1. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 202 • is set in the program parameters  p. 164 To adjust the transport clamp: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 203 To adjust the needle thread clamp, the needle thread catcher and the needle thread tension: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 204 • 0 - 6 mm To adjust the guiding plates and the folder height: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 205 1. Press the button in front of the desired area to enable or disable password protection. Information Locking the screen requires that you assign a user password ( p. 283). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 206 Adjust and test hook thread monitor  p. 207 Test roll-off device  p. 208 Adjust and align light barriers  p. 209 Test corner knife position  p. 211 Adjust and test sewing motor  p. 217 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 207 Test turning device  p. 250 Test programmable flap stopper  p. 252 To test the machine: 1. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 208  OP7000 logging automatically writes all status messages of the OP7000 to the Log.txt file until the machine is switched off. Information The DAC logging is performed by DA service technicians only. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 209 Fig. 165: Adjusting and testing hook thread monitor Symbols Meaning Adjust sensitivity left • 0 - 15 Adjust sensitivity right • 0 - 15 To adjust the hook thread monitor: 1. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 210 • 0 ms - 1000 ms Start roll-off test Roll-off On/Off To test the outfeed roller: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 211 For information on how to connect the light barriers, see the wiring diagram included in the Appendix ( p. 353). To test the light barriers: 1. Press the button.  Reference run is carried out. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 212 Lift pick-up folder/lower pick-up folder depressurized Transport clamp quick adjustment  p. 169 Open/Close flap clamp Split needle bar On/Off Scan straight flap Scan slanted flap 2. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 213 Symbols Meaning Reference Test corner knife function of all corner knives On/Off Corner knife distance • only for configuration: Automatic corner knife station • 80 mm - 220 mm Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 214 • only for configuration: multi-functional corner knife station • 0.0° - 30.0° Corner knife seam end right On/Off 2. Press the desired button. 3. Enter the desired value using the numeric keypad. 4. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 215 The arrows in the left half of the display indicate the correction direction. Seam beginning Correction inward (smaller angle) Correction outward (greater angle) Seam end Correction outward (greater angle) Correction inward (smaller angle) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 216 • 0° - 30° Base angle • only for configuration: multi-functional corner knife station • 0° - 30° Offset corner knife at seam end zero • -13 mm - 13 mm Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 217 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Adjusting offset angle seam begin./seam end Fig. 171: Adjusting offset angle seam begin./seam end Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 218 The arrows in the left half of the display indicate the correction direction. Seam beginning Correction inward (smaller angle) Correction outward (greater angle) Seam end Correction outward (greater angle) Correction inward (smaller angle) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 219 Adjust sewing motor speed • 100 RPM - 3200 RPM (class 755 A) • 100 RPM - 3000 RPM (class 756 A) Reference Switch split needle bar On/Off Sewing motor On/Off Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 220 • 100 RPM - 3000 RPM (class 756 A) To adjust the sewing motor: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 221 Test turning device w/ folder  p. 224 To perform a machine workflow test: 1. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 222  The loading process is completed without sewing by performing pedal strokes. 6. To exit the test: access the menu Service > Machine test > Machine workflow test again and press the button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 223  The step by step test allows you to test the machine workflow. 3. To exit the test: access the menu Service > Machine test > Machine workflow test again and press the button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 224 The cycle time allows you to optimize the machine settings. 2. To exit the test: access the menu Service > Machine test > Machine workflow test again and press the button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 225  The step-by-step test allows you to test the feeding process. 3. To exit the test: access the menu Service > Machine test > Machine workflow test again and press the button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 226  The step-by-step test allows you to test the feeding process. 3. To exit the test: access the menu Service > Machine test > Machine workflow test again and press the button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 227  The display switches to Test stepper motor. Fig. 180: Testing stepper motor To test the stepper motor: 1. Press the button.  Reference run is carried out. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 228 If there is a difference between the Encoder and Position values, you can reset the values by carrying out a reference run. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 229 Display showing the technical information of the control panel To adjust and test the control panel: 1. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 230 Fig. 182: Adjust brightness and contrast To adjust the brightness of the display: 1. Move the controller. • Increase brightness: Slide the controller to the right • Reduce brightness: Slide the controller to the left Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 231 To do so, press your finger on the control panel while the control panel boots up until the boot loader appears. The boot loader shows the current calibration values in the Device information menu. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 232 Programming Touch test  The display switches to Touch test. Fig. 184: Touch test The Touch test menu item allows you to draw on the touch screen. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 233 Piping knife seam end On/Off Piping knife change position Drive position seam begin. • 0 - 150 mm Drive position seam end • 0 - 150 mm Reference Stepper motor On/Off Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 234 Correction of adjustment offset seam end • -5.0 mm - 5.0 mm To adjust the piping knife: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 235 • -3.5: Needle transport against sewing direction Split needle bar On/Off To test the needle transport: 1. Press the button.  Reference run is carried out. 2. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 236 2. Enter the desired correction value using the numeric keypad.  The needle bar moves to the specified position. 3. Keep correcting the value until the needle pierces exactly in the center of the throat plate cutout. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 237 Reference Folder drive position X-axis • 0 - 6 mm To test the pick-up folder: 1. Press the button.  Reference run is carried out. 2. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 238 Meaning Offset correction • -5.0 mm - 5.0 mm To adjust the folder: 1. Press the button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 239 Move middle knife to upper position  p. 239 Reference To test the middle knife: 1. Press the button.  Reference run is carried out. 2. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 240 Adjust the distance of the middle knife incision to the seam end -99 mm - 99 mm To adjust the middle knife: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 241 The arrows in the left half of the display indicate the correction direction: Correction upward (middle knife less deep) Correction downward (middle knife deeper) The values produced by the test are used as reference values for all programs. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 242 Test programmable marking lamps (crosswise to sewing direction)  p. 243 Information If only one of the programmable marking lamps is active, the menu switch- es directly to the corresponding submenu. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 243 • 0 mm - 220 mm To test the programmable marking lamps: 1. Press the button.  Reference run is carried out. 2. Press the button  The desired positioning point has been selected. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 244 Adjust programmable marking lamp position 1 • -100 - 100 Adjust programmable marking lamp position 2 • -100 - 100 Adjust programmable marking lamp position 3 • -100 - 100 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 245  Reference run is carried out. 2. Press the button  The desired positioning point has been selected. 3. Press the button. 4. Enter the desired value using the numeric keypad. 5. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 246 • Value range -100 - 100 Adjust programmable marking lamp position 2 • Value range -100 - 100 Adjust programmable marking lamp position 3 • Value range -100 - 100 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 247 Lift/lower transport clamp Switch stepper motor current-free Switch pick-up folder pressureless To test the transport clamp: 1. Press the button.  Reference run is carried out. 2. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 248 • 0.0 mm - 40.0 mm Adjust distance inner position left clamp, double pipe • 0.0 mm - 40.0 mm Limit to inner travel path • -9.0 mm - 0.0 mm Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 249 Adjust distance outer position right clamp, single pipe right • 0.0 mm - 40.0 mm Information The position of the clamps varies with the transport clamp quick adjustment ( p. 169) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 250 • -5 mm - 1.2 mm Reference Folder change position To test the guiding plates: 1. Press the button.  Reference run is carried out. 2. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 251 • 0.0 mm - 6.0 mm To adjust the guiding plates: 1. Press the desired button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 252 • -5 mm - 5 mm Reference Align turning device On/Off To test the turning device: 1. Press the button.  Reference run is carried out. 2. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 253 Correction of adjustment offset • -0.5 mm - 5.0 mm To adjust the turning device: 1. Press the button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 254 Drive position • 30 mm - 75 mm Reference To test the programmable flap stopper: 1. Press the button.  Reference run is carried out. 2. Press the desired button. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 255 Correction of adjustment offset • 30 mm - 75 mm To adjust the programmable flap stopper: 1. Press the button. 2. Enter the desired value using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 256 To perform an update: 1. Press on the screen.  A prompt appears on the display asking if you wish to perform the update. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 257  The update is carried out. Fig. 209: DAC update (3) Important Do not switch off the machine while the update is in progress!  The display shows notice 8408: Waiting for Reset by machine. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 258 After restarting, the machine loads the start screen and is ready for operation. The progress of the update is indicated by a progress bar. When the update is complete, the control panel will perform a restart. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 259 Test the working memory RAM  p. 264 Display of the external devices  p. 265 Test the read-only memory ROM  p. 266 Sewing drive test  p. 267 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 260 The list contains the last 10 error messages as well as the date and time of each error. Information The correct display of date and time requires that you set date and time in the Maintenance menu item ( p. 278). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 261 Sewing material removal Lower pickup folder Folding station in initial position Folder single pipe Folder double pipe Top pickup folder Pickup folder on top of piping table Vertical pickup folder Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 262 S1201 Ref. guiding plate adjustment left S1202 Ref. guiding plate adjustment right S1301 Ref. stop folder height S1302 Ref. stop turning device 2. Select an output in the right area: Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 263 Corner knife up seam begin. right Corner knife up seam end right Lower outfeed roller Blowing on (folding plate) Y103 Cut tape Y104 Press on/loosen tape YC101 Marking lamp 5 YC102 Marking lamp 6 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 264 YC309 Lift the flap feeders YC310 Lower the stop motion device YC311 Lift stop YC312 Piping knife up seam begin. YC313 Piping knife up seam end YC314 Swivel pick-up folder Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 265 StepMot Transport clamp left StepMot Transport clamp right The area State can display 3 different status messages: • conn = connected • nc = not connected • err = error Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 266 1. If the result is shown as OK, press OK to confirm.  The display returns to Multi test. Information If the RAM test shows an error, back up your data and contact Customer Service ( p. 331). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 267 Corner knife station: Angle adjustment seam beginning right/left St2Ext Corner knife station: Angle adjustment seam end right/left St2Ext Outfeed roller/tape feeder St2Ext Laser adjustment horizontal/vertical St2Ext Piping cutter St2Ext Guiding plate adjustment St2Ext Stop turning device/folder height Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 268 1. If the result is shown as OK, press the OK button to confirm.  The display returns to Multi test. Information If the ROM test shows an error, back up your data and contact Customer Service ( p. 331). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 269 • Indicated position: Value of the motor setpoint device (exact motor position) To test the sewing drive: 1. Press the desired button. 2. Enter the desired values using the numeric keypad. 3. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 270 Do NOT reach into the moving part of the machine. NOTICE Property damage may occur! Jamming of the machine. Unthread the needle thread before starting the sewing drive.  The sewing drive starts at the set speed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 271 Read data from the USB key  p. 273 To read and write data to and from the USB key: 1. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 272 • Global parameters • Machine config. • All data  The selected option is highlighted in orange. 2. Press the button to confirm.  The display switches to a keypad. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 273  The software checks the USB key. The selected option is written to the USB key. Depending on the amount of data selected, the process may take anywhere from a few seconds to approx. 2 minutes. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 274  When the data has been written to the USB key, the display shows the message Data successfully written: XY. Fig. 223: Data transfer to USB (3) 5. Press OK.  The display returns to USB data transfer. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 275 • Machine config. 2. Press the button to confirm.  The software checks the USB key. If you saved an information text for the backup file, the text will be displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 276 You can cancel the USB data transfer with a press of the button. The write process can take between a few seconds and several minutes depending on which write option has been selected. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 277  When the data has been written to the OP7000, the display shows the message Data successfully read: XY. 4. Press OK.  The display returns to USB data transfer. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 278 Initialize RAM • All stored data will be lost All machine data is initialized at the same time (master reset) • All settings will be reset to the factory setting Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 279 2. Press OK to reset the values to their factory settings. 3. Press Cancel to cancel the initialization. Information New reference data will be loaded internally from the control or, if available, from the machine ID. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 280 DA service staff only To edit the parameters in the Maintenance menu item: 1. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 281 1. Press the Software version button.  The display shows the current software version. You will need this information when contacting the DA service depart- ment for assistance. Fig. 228: Software version Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 282 To enter date and time: 1. Press the Date button. 2. Use the numeric keypad to enter the desired date. 3. Use the numeric keypad to enter the desired time. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 283 Set user password  p. 283 Button beep On/Off To adjust the user configuration: 1. Press the desired button.  The user interface for setting the desired item is displayed. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 284 Language selection  The display switches to Language selection. Fig. 231: Language selection To select the language: 1. Select the desired language.  The system restarts with the new language setting. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 285 Fig. 232: User password setup (1) To set up a user password: 1. Enter the desired 4-digit PIN. 2. Confirm with OK. 3. Re-enter the password (password check). 4. Confirm with OK. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 286 Programming Information After setting up a user password, you can lock the start screen for other operators with a press of the button. Fig. 233: User password setup (2) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 287 3. Switch off the machine and wait for approx. 15 seconds. 4. Connect the Dürkopp Adler USB key to the OP7000. 5. Restart the machine.  The OP7000 boot loader appears: Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 288 The display shows notice 8403: Machine has an outdated program. Should the new program be transmitted? 7. If the machine fails to restart: Switch off and on the machine again. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 289 Fig. 238: Updating the machine software (5) Important Do not switch off the machine while the update is in progress!  The display shows notice 8408: Waiting for Reset by machine. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 290 9. Press CANCEL to cancel the update.  The following warning appears: Fig. 240: Updating the machine software (7)  After confirming with OK, you can continue working with the old control software. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 291 Programming Information If the update fails, you can restart it in the service menu under DAC update ( p. 254). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 292 Programming Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 293: Maintenance

    Cleaning the lenses of the light barriers  Checking the water level  Checking the oil reservoir  Checking the pneumatic system  Cleaning the incision device for piping ends  Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 294: Cleaning

    Fig. 241: Cleaning ① ② ③ ④ ⑤ ⑥ (1) - Light barrier (4) - Light barrier (2) - Hook (5) - Filter ring (3) - Hook (6) - Vacuum valve Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 295: Cleaning The Incision Device For Piping Ends

    Fig. 242: Cleaning the incision device for piping ends (1) ① ② ① (1) - Screws (2) - Piping strip rest table 3. Loosen the screws (1). 4. Remove the piping strip rest table (2). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 296: Replacing The Incision Knives For Piping Ends

    To replace the knives of the incision device for piping ends: 1. Remove the pick-up folder. 2. Via software: Select Service menu > Machine test > Test piping knife > Referencing Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 297 (4) - Screw (covered) (3) - Tweezers 4. Loosen the screw (4) by a 1/4 turn while holding in place and removing the knife (2) with a pair of tweezers (3). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 298: Lubricating

    NOTICE Property damage from incorrect oil! Incorrect oil types can result in damage to the machine. Only use oil that complies with the data in the instructions. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 299 The oil level must not raise above the MAX marking (3) or drop below the MIN marking (2). To top off the oil: 1. Refill oil through the hole (4) in the inspection glass until the oil level reaches the MAX marking (3). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 300 Maintenance 2. Check the oil level and top off if necessary. Information The OP7000 control panel displays a message when the oil level is low. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 301: Servicing The Pneumatic System

    Refer to the Technical Data ( p. 351) chapter for the permissible operating pressure. The operating pressure cannot deviate by more than ± 0.5 bar. Check the operating pressure on a daily basis. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 302: Draining The Water-Oil Mixture

    Proper setting The water-oil mixture must not rise up to the level of the filter element (1). Check the level of the water-oil mixture in the collection tray (2). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 303 3. Loosen the drain screw (3) completely. 4. Allow the water-oil mixture to drain into the vessel. 5. Tighten the drain screw (3). 6. Connect the machine to the compressed air supply. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 304: Cleaning The Filter Element

    6. Wash out the filter tray using benzine. 7. Tighten the filter element (1). 8. Tighten the collection tray (2). 9. Tighten the drain screw (3). 10. Connect the machine to the compressed air supply. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 305: Parts List

    Maintenance 6.6 Parts list A parts list can be ordered from Dürkopp Adler. Or visit our website for further information at: www.duerkopp-adler.com Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 306 Maintenance Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 307: Setup

    The scope of delivery depends on your specific order. Check that all parts are present before setting up the machine: • Basic equipment • Additional equipment • Small parts in an accessory pack Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 308: Transport

    Information For in-house transport the stand can be equipped with 4 casters. Fig. 252: Rolling the machine ① ② ③ (1) - Nuts (3) - Stand feet (2) - Casters Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 309: Removing The Transport Locks

    If you wish to transport the machine to a different location, you have to attach the transport locks again. When removing/fitting the transport locks, also observe the information given in the supplementary sheet included with the machine. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 310: Adjusting The Working Height

    Do not loosen the screws (1) all the way. 2. Set the tabletop to the desired working height. 3. To avoid jamming, slide the stand tubes in or out evenly on both sides. 4. Tighten the screws (1). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 311: Connecting The Pedals

    1. Lay the cable (1) in such a way that it cannot be damaged when the stand is lifted with a forklift. 2. Connect the plug (2) with the control. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 312: Adjusting The Pedals

    3. Tighten the screws (1). To adjust the pedals’ angle of inclination: 1. Loosen the screws (2). 2. Swivel the pedal. 3. Tighten the screws (2) at the pedals’ desired angle of inclination. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 313: Assembling The Reel Stand

    1. Insert the reel stand (3) into the slotted hole (2) in the tabletop and assemble it with washer and nut below the tabletop. 2. Assemble and align the reel plate (4) and the unwinder arms (1) as shown in the figure. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 314: Assembling The Control Panel

    (2) - Screw To assemble the cylinder for the pick-up folder stroke. 1. Push the cylinder up against the holder (1). 2. Tighten the screws (3) loosely. 3. Tighten the screw (2). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 315: Assembling The Throw-Over Stacker

    While adapted to the machine at the factory, the throw-over stacker still needs to be hooked into its holder after delivery. Fig. 259: Assembling the throw-over stacker (1) ① (1) - Throw-over stacker Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 316 (6) - Threaded rod (5) - Nut 2. Adjust the height of the throw-over stacker: minor adjustment - via nut (5) and threaded rod (6) major adjustment - via clamping piece (4) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 317 Fig. 263: Assembling the throw-over stacker (4) ⑧ (8) - 4. Screw on the equipotential bonding (8) in the order of contact washer, equipotential bonding (8), washer, and screw (see photo). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 318: Assembling The Table Extensions (Additional Equipment)

    (3) - Screws (2) - Tabletop To assemble the table extension (large): 1. Screw the table extension (1) to the left side of the tabletop (2) using the screws (3). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 319 (3) - Screws (2) - Tabletop To assemble the table extension (small): 1. Screw the table extension (1) to the left side of the tabletop (2) using the screws (3). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 320 2. Remove cover (4). 3. Tighten the table extension (2) to the right side of the machine using the screws (1). 4. Fit the cover (4) and tighten it using the screws (3). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 321: Electrical Connection

    ALWAYS pull the power plug before working on the electrical equipment. Important The voltage on the type plate of the sewing motor must correspond to the mains voltage. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 322 (3) - Socket (2) - Plug To connect the electric winder: 1. Connect the plug (2) with the socket (3) of cable X702. 2. Guide the cable carefully behind the tabletop. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 323: Pneumatic Connection

    7.9.1 Assembling the compressed air maintenance unit To assemble the compressed air maintenance unit: 1. Connect the connection hose to the compressed air supply using a hose coupling R 1/4”. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 324: Adjusting The Operating Pressure

    2. Turn the pressure regulator until the pressure gage (2) indicates the proper setting: • Increase pressure = turn clockwise • Reduce pressure = turn counterclockwise 3. Push the pressure regulator (1) down. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 325: Connection To The In-House Vacuum System

    ② (1) - Sealing ring (2) - Hose To connect the in-house vacuum system: 1. Connect the hose (2) to the in-house vacuum system. 2. Fit the sealing ring (1). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 326: Connecting The Vacuum Compressor In The Machine

    (1) - Filter ring (2) - Hose To connect the vacuum compressor in the machine: 1. Connect the hose (2) of the vacuum compressor. 2. Fit the filter ring (1). Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 327: Commissioning

    7. Select the seam program ( p. 106). 8. Insert the sewing material. 9. Press the left pedal forward.  The different steps of the positioning procedure are triggered one after another. The sewing procedure is started. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 328 Setup Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 329: Decommissioning

    5. Cover the control panel to protect it from soiling. 6. Cover the control to protect it from soiling. 7. Cover the entire machine if possible to protect it from contamination and damage. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 330 Decommissioning Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 331: Disposal

    When disposing of the machine, be aware that it consists of a range of different materials (steel, plastic, electronic components, etc.). Follow the national regulations when disposing these materials. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 332 Disposal Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 333: Troubleshooting

    • Check sewing motor cable • Test sewing motor phases (R= 2.8 Ohm, high impedance to PE) • Replace sewing motor cable • Replace encoder • Replace sewing motor • Replace control Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 334 • Replace sewing motor cable internal current increase to over • Replace encoder 25 A • Replace sewing motor • Replace control 1053 Mains voltage too high Check mains voltage Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 335 • Perform software update  p. 285 • Replace control 1342-1344 Internal sewing motor error • Switch off and on the machine again • Perform software update  p. 285 • Replace control Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 336 • Replace control • Control defective 2201 Stepper motor middle knife time- out reference • Faulty cable to the reference • Replace cable switch • Reference switch defective • Replace reference switch Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 337 • Replace reference switch 2302 Stepper motor corner knife overload • Blocked/sluggish • Eliminate seizing/stiff movement • Defective • Check encoder cable and replace, • Control defective if necessary • Replace stepper motor Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 338 • Encoder defective 2522 Stepper motor transport clamp • Check connection cables motor / left pulse-wheel search time out encoder • Check stepper motor for stiff movement Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 339 • Check connections • Replace control 3020 Short circuit at input or output • Check connections • Replace control 3021 Short circuit at input or output • Check connections • Replace control Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 340 3123 Oil level too low Top off the oil  p. 296 3210 • Thread broken Insert thread  p. 21 3215 • Empty bobbin Change bobbin  p. 26 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 341 4304 Wrong USB key Replace USB key 4681 No communication with DAC Check cable connection, Check OP7000 cable at X170b DAC, Check DAC flashing code Icon BFT not available yet Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 342 • Replace stepper motor • Check reference switch 5213 Reference time out stepper motor • Fix blockage/sluggishness guiding plate adjustment left • Replace stepper motor • Check reference switch Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 343 • Perform software update  p. 285 • Inform Dürkopp Adler Customer Service 6401 Default data loaded Check machine configuration 6408 No changes of machine configu- Use USB data from this machine ration. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 344 • Check jumpers • Check voltage supply • CAN-Module defective 7205 Voltage error in hook thread mon- • Check cable itor CAN-Module • Check jumpers • Check voltage supply • CAN-Module defective Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 345 • Check jumpers • Check voltage supply • Change CAN-Module 7305 Failure in bobbin thread monitor • Check cable CAN-Module • Check jumpers • Check voltage supply • Change CAN-Module Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 346 7406 Failure in corner knife slanted Check jumpers/DIP switch CAN-Module: wrong module at address 7407 Failure in corner knife angle Check jumpers/DIP switch seam begin CAN-Module: wrong module at address Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 347 • Outfeed roller/tape feeder not • Check jumpers present • Check voltage supply 7510 Stepper motor card error • Check cable • Laser lengthwise/crosswise not • Check jumpers present • Check voltage supply Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 348 • Inform Dürkopp Adler Customer Service 8152-8154 Information IDMA error\n- Internal error • Switch off and on the machine again • Perform software update  p. 285 • Inform Dürkopp Adler Customer Service Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 349 • Switch off and on the machine 8890, 8891 ing, event processing, memory again wrapper, list functions: internal • Perform software update error  p. 285 • Inform Dürkopp Adler Customer Service Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 350 9501 Test step by step Use pedal for progress 9601 Pedal was pressed backwards Press pedal again during sewing 9602 Empty bobbin Change bobbin  p. 26 Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 351 Insert the flap correctly of the front positioning point 9722 Flap projects beyond the maxi- • Check flap size mum sewing area (behind the • Insert the flap correctly rear positioning point) Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 352 (Checksum error) 9911 • Switch Off 9920 Serial number active 9921 Serial number not accepted Re-enter serial number 9999 Machine configuration has been Switch off and on the machine again changed Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 353: Technical Data

    Operating pressure [bar] Length [mm] 1500 Width [mm] Height [mm] 1250 Weight [kg] 240 - 260 11.2 Requirements for fault-free operation Compressed air quality must conform to ISO 8573-1: 2010 [7:4:4]. Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 354 Technical data Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 355: Appendix

    Appendix 12 Appendix Fig. 273: Wiring diagram & Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 356 Appendix Fig. 274: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 357 Appendix Fig. 275: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 358 Appendix Fig. 276: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 359 Appendix Fig. 277: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 360 Appendix Fig. 278: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 361 Appendix Fig. 279: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 362 Appendix Fig. 280: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 363 Appendix Fig. 281: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 364 Appendix Fig. 282: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 365 Appendix Fig. 283: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 366 Appendix Fig. 284: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 367 Appendix Fig. 285: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 368 Appendix Fig. 286: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 369 Appendix Fig. 287: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 370 Appendix Fig. 288: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 371 Appendix Fig. 289: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 372 Appendix Fig. 290: Wiring diagram Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021...
  • Page 374 DÜRKOPP ADLER GmbH Potsdamer Straße 190 33719 Bielefeld GERMANY Phone +49 (0) 521 / 925-00 service@duerkopp-adler.com E-mail www.duerkopp-adler.com...

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