Page 1 G767 Service 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 2024...
Page 3: Table Of Contents
8.1.1 Moving the feed dog ..............47 8.1.2 Moving the feed dog carrier ............48 Adjusting the feed dog movement ..........49 8.2.1 Adjusting the feed eccentric ............50 8.2.2 Adjusting the compensating weight ..........51 Service Instructions G767 - 00.0 - 04/2024...
Page 4 Programming ................97 18.1 OP4000 control panel ..............97 18.1.1 Navigating the control panel ............97 18.1.2 Symbols and tiles ............... 97 18.2 Software operating modes............98 18.3 Functions of the tiles..............99 Service Instructions G767 - 00.0 - 04/2024...
Page 5 Errors in sewing process ............137 Technical data................. 139 23.1 Data and characteristic values ..........139 23.2 Requirements for fault-free operation ........139 Appendix ................. 141 24.1 Wiring diagrams................ 141 24.2 Pneumatic diagram..............150 Service Instructions G767 - 00.0 - 04/2024...
Page 6 Table of Contents Service Instructions G767 - 00.0 - 04/2024...
Page 7: About These Instructions
Proper setting Specifies proper setting. Disturbances Specifies the disturbances that can occur from an incorrect setting. Cover Specifies which covers must be disassembled in order to access the components to be set. Service Instructions G767 - 00.0 - 04/2024...
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. Service Instructions G767 - 00.0 - 04/2024...
Page 9: Other Documents
Leave machines, equipment and packaging material in the condition in which they were found when the damage was discovered. This will ensure any claims against the transport company. Report all other complaints to Dürkopp Adler immediately after receiving the product. Service Instructions G767 - 00.0 - 04/2024...
Page 10 About these instructions Service Instructions G767 - 00.0 - 04/2024...
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. Service Instructions G767 - 00.0 - 04/2024...
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 Icon Type of danger General Electric shock Service Instructions G767 - 00.0 - 04/2024...
Page 13 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 moderate or minor injury if the warning is ignored. Service Instructions G767 - 00.0 - 04/2024...
Page 14 NOTICE 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. Service Instructions G767 - 00.0 - 04/2024...
Page 15: Working Basis
1. Lay any excess cabling neatly in proper cable snakes. 2. Bind together the cable loops with cable ties. Important Tie loops wherever possible to fixed parts. The cables must be secured firmly. 3. Cut off any overlapping cable ties. Service Instructions G767 - 00.0 - 04/2024...
Page 16: Removing The Covers
Fig. 1: Access to the underside of the machine Tilting the machine head To tilt the machine head: 1. Tilt the machine head as far as it will go. Service Instructions G767 - 00.0 - 04/2024...
Page 17: Removing And Placing The Arm Cover
To remove the arm cover: 2. Loosen the screws (1). 3. Remove the arm cover (2). Placing the arm cover To place the arm cover: 4. Place the arm cover (2) 5. Tighten the screws (1). Service Instructions G767 - 00.0 - 04/2024...
Page 18: Removing And Placing The Head Cover
To remove the head cover: 1. Loosen the screws (1). 2. Remove the head cover (2). Placing the head cover To place the head cover: 1. Place the head cover (2). 2. Tighten the screws (1). Service Instructions G767 - 00.0 - 04/2024...
Page 19: Removing And Placing The Rear Cover
2. Remove the rear cover (2). Placing the rear cover To place the rear cover: 1. Place the rear cover (2). 2. Tighten the screws (1). Important When placing the cover, make sure not to pinch any cables. Service Instructions G767 - 00.0 - 04/2024...
Page 20: Removing And Placing The Head Cover
To place the front cover: 1. Switch on the winder (1). 2. Place the front cover (4). 3. Tighten the screws (5). 4. Fit the stitch regulator handle (2). 5. Tighten the screw (3). Service Instructions G767 - 00.0 - 04/2024...
Page 21: Removing And Placing The Control Panel Holder
Placing the control panel holder To place the control panel: 1. Tighten the screws (1). 2. Place the front cover ( p. 18). Important When placing the cover, make sure not to pinch any cables. Service Instructions G767 - 00.0 - 04/2024...
Page 22: Disassembling And Assembling The Tensioning Plate
1. Remove the front cover ( p. 18). 2. Remove the control panel ( p. 19). 3. Loosen the equipotential bonding (3). 4. Loosen the screws (1). 5. Remove the tensioning plate (2). Service Instructions G767 - 00.0 - 04/2024...
Page 23 3. Place the tensioning plate (2). 4. Tighten the screws (1). 5. Assemble the equipotential bonding (3). 6. Place the control panel ( p. 19). 7. Place the front cover ( p. 18). Service Instructions G767 - 00.0 - 04/2024...
Page 24: Disassembling And Assembling The Toothed Belt Cover
Assembling the toothed belt cover To assemble the toothed belt cover: 1. Place the toothed belt cover (3). 2. Tighten screws (2) and (4). Important Make sure not to pinch any cables. Service Instructions G767 - 00.0 - 04/2024...
Page 25: Opening And Closing The Throat Plate Slide
1. Press the clamping spring (3) downwards. 2. Push the throat plate slide (1) apart. Closing the throat plate slide To close the throat plate slide: 1. Push the throat plate slide (1) up to the throat plate (2). Service Instructions G767 - 00.0 - 04/2024...
Page 26: Disassembling And Assembling The Throat Plate
1. Insert the throat plate (2). Ensure that the nose (4) of the bobbin case (3) is in the cutout of the throat plate. 2. Tighten both screws (1). 3. Close the throat plate slide ( p. 23). Service Instructions G767 - 00.0 - 04/2024...
Page 27: Disassembling And Assembling The Feed Dog
Check the feed dog position in its movement at maximum stitch length (depending on the equipment: 6, 9 or 12) by turning the handwheel. The feed dog must not hit against the throat plate. Service Instructions G767 - 00.0 - 04/2024...
Page 28: Flats On Shafts
Some shafts have flat surfaces at the points where the components are screwed on. This stabilizes the connection and makes adjusting easier. Important Ensure that the screws are completely flush with the surface. Service Instructions G767 - 00.0 - 04/2024...
Page 29: Locking The Machine In Place
• 3 mm end in the small slot • Adjusting the handwheel position and checking the top dead center for the needle bar Fig. 15: Locking the machine in place ① (1) - Locking peg Service Instructions G767 - 00.0 - 04/2024...
Page 30 2. Insert the locking peg (1) with the appropriate end into the slot. Removing the lock To remove the lock: 1. Pull the locking peg (1) out of the slot in the machine arm. Service Instructions G767 - 00.0 - 04/2024...
Page 31: Adjusting The Handwheel Into Position
② (1) - Marking (2) - Graduated scale To adjust the handwheel into position: 1. Turn the handwheel until the required number on the graduated scale (2) is next to the marking (1). Service Instructions G767 - 00.0 - 04/2024...
Page 32 Working basis Service Instructions G767 - 00.0 - 04/2024...
Page 33: Positioning The Arm Shaft
Fig. 17: Positioning the arm shaft crank ① ② ③ ④ ⑤ (1) - Ball bearing (4) - Flat of crank (2) - Locking ring (5) - Flat of arm shaft (3) - Threaded pins Service Instructions G767 - 00.0 - 04/2024...
Page 34 3. Position the arm shaft so that the face of the arm shaft (5) is flush with the face of the crank (4). 4. Tighten the threaded pins (3). Service Instructions G767 - 00.0 - 04/2024...
Page 35: Positioning The Toothed Belt Wheels
1. Fit the feather key (3) into the slot (2) of the toothed belt wheel (4). 2. Push the toothed belt wheel (4) with the feather key (3) up against the motor shaft. 3. Tighten the threaded pins (1). Service Instructions G767 - 00.0 - 04/2024...
Page 36: Positioning The Upper Toothed Belt Wheel
2. Turn the toothed belt wheel (3) such that the 1 threaded pin (2) in the direction of rotation is seated completely flush on the flat of the arm shaft. 3. Tighten threaded pins (1) and (2). Service Instructions G767 - 00.0 - 04/2024...
Page 37: Positioning The Lower Toothed Belt Wheel
4. Tighten the threaded pins (2) and (3) such that the first screw in the direction of rotation is seated on the flat. Service Instructions G767 - 00.0 - 04/2024...
Page 38: Adjusting The Toothed Belt Tension
The toothed belt tension is set to the optimum value when the belt oscillates at 75 Hz. Check the oscillation, for instance, using a device made by Contitech. 4. Tighten the screw (2). Service Instructions G767 - 00.0 - 04/2024...
Page 39: Latching The Safety Release Clutch
After the clutch has disengaged, they are no longer parallel. Cover • Tilting the machine head ( p. 14) Fig. 22: Latching the safety release clutch (1) ② ① (1) - Threaded pins (2) - Safety release clutch Service Instructions G767 - 00.0 - 04/2024...
Page 40 1. Press and hold the button (3) on the upper side of the throat plate. The pin (4) must be seated in the hole (5). 2. Turn the handwheel until the threaded pins (1) are in parallel position.  The safety release clutch latches into place. Service Instructions G767 - 00.0 - 04/2024...
Page 41: Adjusting The Stitch Length Adjusting Wheel
1. Set the stitch length adjusting wheel to 0:  No play on the stitch regulator gear. The plates (4) for the gear are parallel; the adjusting frame (6) cannot be moved. Cover • Removing the front cover ( p. 18) Service Instructions G767 - 00.0 - 04/2024...
Page 42 8. Turn the scale ring clockwise as far as it will go.  The stitch length is 0. 9. Place the stitch length adjusting wheel (1) on the spindle (5). 10. Tighten the stitch length adjusting wheel (1) using the screw (2). Service Instructions G767 - 00.0 - 04/2024...
Page 43: Lowering Stitch Length Adjusting Wheel
6. Turn the scale ring counterclockwise as far as it will go. 7. Place the stitch length adjusting wheel (1) on the spindle (3). 8. Tighten the stitch length adjusting wheel (1) using the screw (2). Service Instructions G767 - 00.0 - 04/2024...
Page 44: Adjusting The Stitch Length Limit
The holes are marked with numbers for the stitch length. 7. Turn the scale so that the 0 is exactly next to the adjusting mark. 8. Place the stitch length adjusting wheel (1) and hold it in place. Service Instructions G767 - 00.0 - 04/2024...
Page 45 On machines with 2 stitch length settings, the stitch length limit can only be adjusted at the upper stitch length adjusting wheel. The limit of the lower stitch length adjusting wheel is automatically set accordingly. Service Instructions G767 - 00.0 - 04/2024...
Page 46: Adjusting The Basic Eccentric Setting For Forward Stitch And Backward Stitch
Fig. 29: Adjusting the basic eccentric setting for forward stitch and backward stitch (2) ③ ⑤ ⑥ (5) - Screw (6) - Plates 5. Tilt the machine down ( p. 14). 6. Loosen the screw (5). Service Instructions G767 - 00.0 - 04/2024...
Page 47 Adjusting the stitch length adjusting wheel 7. Position the plates (6) so that they are parallel. 8. Tighten the screw (5). Service Instructions G767 - 00.0 - 04/2024...
Page 48: Feed Dog
• For minimal deviations, it suffices to move the feed dog on the carrier ( p. 47) • If this is not sufficient, move the entire feed dog carrier on the pusher shaft ( p. 48) Service Instructions G767 - 00.0 - 04/2024...
Page 49: Moving The Feed Dog
2. Move the feed dog (1) on the feed dog carrier (2). Place the removed throat plate next to it as an aid for orientation so that the feed dog can be screwed on straight. 3. Tighten the screws (3). Service Instructions G767 - 00.0 - 04/2024...
Page 50: Moving The Feed Dog Carrier
6. Push the set collars (5) toward each other as far as they will go. Important Make sure that the pusher shaft (4) is tightened by the set collars. 7. Tighten the threaded pins for the set collars (5). Service Instructions G767 - 00.0 - 04/2024...
Page 51: Adjusting The Feed Dog Movement
The feed dog moves in an elliptical cycle. To align this correctly, the feed movement, the stroke height, and the stroke movement of the feed dog all have to be adjusted. Service Instructions G767 - 00.0 - 04/2024...
Page 52: Adjusting The Feed Eccentric
 The needle is in the looping stroke position. 2. Loosen threaded pins (4) on the eccentric (3). 3. Turn the eccentric (3) until the markings (2) line up. 4. Tighten the threaded pins (4). Service Instructions G767 - 00.0 - 04/2024...
Page 53: Adjusting The Compensating Weight
The distance between the compensating weight (2) and the pull rod (3) is approx. 1 mm. 3. Tighten the screw (1). 8.2.3 Adjusting the feed stroke eccentric Cover • Tilting the machine head ( p. 14) Service Instructions G767 - 00.0 - 04/2024...
Page 54  The needle is in the looping stroke position. 2. Loosen threaded pins (4) on the eccentric (3). 3. Turn the eccentric (3) until the markings (2) line up. 4. Tighten the threaded pins (4). Service Instructions G767 - 00.0 - 04/2024...
Page 55: Adjusting The Feed Dog Height At Top Dead Center
2. Loosen the threaded pins (2) for the lever (1). 3. Turn the lever (1) such that the upper edge of the feed dog protrudes 0.5 mm (KFA = 0.8 mm) above the throat plate. 4. Tighten the threaded pins (2). Service Instructions G767 - 00.0 - 04/2024...
Page 56: Aligning The Needle Bar Linkage
• Disassembling the tensioning plate ( p. 20) • Removing the front cover ( p. 18) Fig. 37: Aligning the needle bar linkage sideways (1) ① ② ③ (1) - Set collars (3) - Screw (2) - Threaded pins Service Instructions G767 - 00.0 - 04/2024...
Page 57 6. Push the set collars (1) inwards as far as they will go and tighten them. 7. Tighten the threaded pins (2) on the two set collars (1). Fig. 39: Aligning the needle bar linkage sideways (3) Service Instructions G767 - 00.0 - 04/2024...
Page 58 9. Tighten both threaded pins (8) on the arm shaft crank (9). Order Then check the following settings: • Distance between hook and needle ( p. 58) Service Instructions G767 - 00.0 - 04/2024...
Page 59: Aligning The Needle Bar Linkage In The Sewing Direction
2. Move the needle bar linkage (2) such that the needle pierces in the center of the needle hole. 3. Tighten the screw (1). Order Then check the following setting: • Looping stroke position ( p. 60) Service Instructions G767 - 00.0 - 04/2024...
Page 60: Position Of The Hook And Needle
The distance between the hook tip and the groove of the needle is 0.1 mm. Cover • Tilting the machine head ( p. 14) • Opening the throat plate slide ( p. 23) Service Instructions G767 - 00.0 - 04/2024...
Page 61 6. Lock the machine in place at the looping stroke position (5 mm, ( p. 60)). 7. Tighten the threaded pins (2) for the set collar (1). 8. Remove the lock ( p. 27). Service Instructions G767 - 00.0 - 04/2024...
Page 62: Adjusting The Looping Stroke Position
The looping stroke is precisely 2 mm. Disturbance • Skip stitches Fig. 43: Checking the position of the hook tip ① ② ① (1) - Vertical center line of the needle (2) - Hook tip Service Instructions G767 - 00.0 - 04/2024...
Page 63 6. Remove the lock ( p. 27). Order Then check the following settings: • Position of the needle guard ( p. 63) • Timing of cutting by the thread trimmer ( p. 85) Service Instructions G767 - 00.0 - 04/2024...
Page 64: Adjusting The Needle Bar Height
• Removing the head cover ( p. 16) Fig. 45: Adjusting the needle bar height ④ ② ③ ① (1) - Needle bar (3) - Groove (2) - Screw (4) - Hook tip Service Instructions G767 - 00.0 - 04/2024...
Page 65: Adjusting The Needle Guard
1. Lock the machine in place at position 1 (5 mm, ( p. 27)).  The needle guard pushes the needle just enough away so that it cannot be touched by the hook tip. Service Instructions G767 - 00.0 - 04/2024...
Page 66 2. Turn the screw (1) such that the needle guard (2) just pushes the needle (3) far away enough so that it cannot be touched by the hook tip: • For pushing away more: Turn counterclockwise • For pushing away less: Turn clockwise Service Instructions G767 - 00.0 - 04/2024...
Page 67: Adjusting The Bobbin Case Lifter
So that the thread can slip through without a problem, the width of the lifting gap and the timing of opening have to be adjusted. Disturbance • Thread breaking • Formation of loops on the bottom side of the seam • Loud machine noise Service Instructions G767 - 00.0 - 04/2024...
Page 68: Adjusting The Lifting Gap
Ensure that the gap is not so big that the bobbin case swings back and forth, hitting the slot of the throat plate. 5. Tighten the threaded pin (1). 6. Push the cover (2) upwards. 7. Tighten the screw (3). Service Instructions G767 - 00.0 - 04/2024...
Page 69: Adjusting The Timing For Opening
3. In 2-needle machines, turn the handwheel to 270°.  The threaded pin (4) is exactly in the center of the slot at the left hook. 4. Insert the plug (1) into the opening. Service Instructions G767 - 00.0 - 04/2024...
Page 70: Sewing Feet
In order to ensure a correct feed, the stroke movement for the walking foot must be aligned to the stroke movement for the feed dog. Order First, check the following settings: • Feed dog movement ( p. 49) • Even sewing foot stroke ( p. 70) Service Instructions G767 - 00.0 - 04/2024...
Page 71 Adjusting the eccentric Cover • Removing the front cover ( p. 18) Fig. 52: Adjusting the walking foot movement ④ ① ③ ② (1) - Screw (3) - Marking (2) - Eccentric (4) - Marking Service Instructions G767 - 00.0 - 04/2024...
Page 72: Adjusting An Even Sewing Foot Stroke
(4) - Sewing foot lever To adjust an even sewing foot stroke: 1. Check the sewing foot stroke. 2. Loosen the screw (3). 3. Push the walking foot (2) down slightly by hand. Service Instructions G767 - 00.0 - 04/2024...
Page 73: Adjusting The Adjusting Frame
5. Manually lower the walking foot down onto the allen key. 6. Center the stroke lever (4) in the slot (2). 7. Tighten the screws (3). Important 8. Ensure that the stroke lever (4) does not shift. Service Instructions G767 - 00.0 - 04/2024...
Page 74: Adjusting The Sewing Foot Lifting Height
Fig. 55: Adjusting the sewing foot lifting height ① ② (1) - Counternut (2) - Adjusting wheel To adjust the lifting height of the sewing foot: 1. Loosen the counternut (1) for the adjusting wheel (2). Service Instructions G767 - 00.0 - 04/2024...
Page 75 • To raise the sewing feet to a lesser height: Turn clockwise • To raise the sewing feet higher: Turn counterclockwise 3. Tighten the counternut (1) for the adjusting wheel (2). Service Instructions G767 - 00.0 - 04/2024...
Page 76: Adjusting The Thread Tensioning Spring
3. Adjusting the spring tension: Turn the tension disk (2): • Greater spring tension: Turn counterclockwise • Less spring tension: Turn clockwise Important Do not twist the stop collar (4) when doing so. 4. Tighten the screw (3). Service Instructions G767 - 00.0 - 04/2024...
Page 77: Winder
• Removing the arm cover ( p. 15) 14.1.1 Disassembling the winder Fig. 57: Disassembling the winder ① (1) - Screws To disassemble the winder and set the winder filling quantity: 1. Loosen the screws (1). 2. Remove the winder. Service Instructions G767 - 00.0 - 04/2024...
Page 78: Basic Winder Setting
Fig. 59: Setting the winder run and automatic stop (1) ① ② ③ ④ ⑤ ⑥ ⑦ (1) - Screw (5) - Corner (2) - Winder lever (6) - Switch cam (3) - Leaf spring (7) - Screw (4) - Corner Service Instructions G767 - 00.0 - 04/2024...
Page 79 (4) of the leaf spring (3) line up on top of each other  The spring is tensioned. 8. Adjust the switch cam (6) such that the winder lever (2) has no axial play. 9. Tighten the screw (7). Service Instructions G767 - 00.0 - 04/2024...
Page 80: Assembling The Winder
To assemble the winder: 1. Place the winder on the machine arm. Information To position the winder correctly, place the nose (2) of the winder on the stitch length adjusting wheel. 2. Tighten the screws (1). Service Instructions G767 - 00.0 - 04/2024...
Page 81: Adjusting The Winder Wheel
To adjust the winder wheel: 1. Loosen the threaded pins (3). 2. Switch off the winder (1). 3. Set the distance (2) between the wheels to 0.8 mm. 4. Tighten the threaded pins (3). Service Instructions G767 - 00.0 - 04/2024...
Page 82: Adjusting The Hook Thread Guide
2. Turn the hook thread guide (2): • To the front: The thread will be wound on further to the front • To the rear: The thread will be wound on further to the rear Service Instructions G767 - 00.0 - 04/2024...
Page 83: Thread Trimmer
• Opening the throat plate slide ( p. 23) Fig. 64: Adjusting the height of the thread-pulling knife ① ⑤ ④ ② ③ (1) - Counter blade (4) - Screw (2) - Thread-pulling knife (5) - Washer (3) - Knife carrier Service Instructions G767 - 00.0 - 04/2024...
Page 84: Adjusting The Cutoff Curve
1. Loosen all 4 threaded pins (2) on the clamping ring (1). 2. Push the set collar (1) as far as it will go to the left. 3. Tighten all 4 threaded pins (2) on the clamping ring (1). Service Instructions G767 - 00.0 - 04/2024...
Page 85 13. Push the set collar (1) to the right as far as it will go and against the control cam (4). Important Check the looping stroke position ( p. 60). 14. Tighten all 4 threaded pins (2) on the clamping ring (1). Service Instructions G767 - 00.0 - 04/2024...
Page 86: Adjusting The Cutting Pressure
4. Turn the hook thread clamp (5) such that it rests against the thread- pulling knife (3). 5. Turn the counter blade (2) such that it rests against the thread-pulling knife (3). 6. Tighten the screw (1). Service Instructions G767 - 00.0 - 04/2024...
Page 87: Adjusting Point In Time For Cutting
3. Pivot the thread-pulling knife (6) as far forward until the circle mark is exactly next to the tip of the counter blade (5). 4. Set the handwheel position to 60°. Service Instructions G767 - 00.0 - 04/2024...
Page 88 • Insert the thread into the thread-pulling knife (6) and slowly turn the handwheel. • Check the handwheel position at which the thread is cut. • If necessary, repeat setting steps 1 – 7 until the cut takes place at 60°. Service Instructions G767 - 00.0 - 04/2024...
Page 89: Short Thread Trimmer
Requirements • The needle bar must be at the top dead center when the handwheel position is 0° ( p. 36) • The hook bearing must be set correctly ( p. 58). Service Instructions G767 - 00.0 - 04/2024...
Page 90 When changing the knives, make sure that you do not lose the adjusting washers. Important The height of the thread-pulling knife is determined by the height of the counter blade. The upper edges of the two knives must be on the same level. Service Instructions G767 - 00.0 - 04/2024...
Page 91 (label is upside down) of the set collar (4). Proper setting The control cam (5) makes contact with the set collar (4). The label of the control cam (5) is correct in accordance with the installa- tion situation. Service Instructions G767 - 00.0 - 04/2024...
Page 92: Adjusting The Locking Latch
(5) - Screw (3) - Control cam (6) - Locking pin To adjust the locking latch: 1. Loosen the nut (4). 2. Turn the screw (5) and adjust the distance. 3. Tighten the nut (4). Service Instructions G767 - 00.0 - 04/2024...
Page 93: Adjusting The Thread-Pulling Knife
8. Turn the thread-pulling knife (1) until the marking (3) on the cutting edge of the counter blade (2) is adjacent to it. 9. Tighten the clamping screw (9). Take care to ensure that there is no axial play. Service Instructions G767 - 00.0 - 04/2024...
Page 94: Adjusting The Counter Blade
5. Check whether the sewing threads have been cleanly cut and pressure is built up starting at the marking (2). Disturbance • Increased knife wear when the pressure is too great • Problems in cutting the thread Service Instructions G767 - 00.0 - 04/2024...
Page 95 1. Swing out the thread-pulling knife (1) until the marking (2) is next to the cutting edge of the counter blade (5). 2. Loosen the screw (6). 3. Place the counter blade (5) in position against the thread-pulling knife (1). 4. Tighten the screw (6). Service Instructions G767 - 00.0 - 04/2024...
Page 96: Adjusting The Cutoff Position
(5). 3. Tighten the threaded pins (6) on the control cam (5) again. 4. Check the position as described above under Proper setting and correct the position again if necessary. Service Instructions G767 - 00.0 - 04/2024...
Page 97: Adjusting The Potentiometer
The potentiometer is set at technician level t 10 04. If the display indicates a different level: 1. Call up the technician level ( p. 113): to set the parameter t 10 04.  Display of current level and corresponding speed. Service Instructions G767 - 00.0 - 04/2024...
Page 98 Important Ensure that the potentiometer (3) is guided on the pin (4). Press Important 7. Switch off the machine. 8. Switch on the machine.  Switching off and on will save the adjustment. Service Instructions G767 - 00.0 - 04/2024...
Page 99: Programming
Open this menu to access the settings. • Parameter settings • User configuration • Service • Data Transfer Value tiles Parameters for which you can/must enter a numerical value. Values can be input by pressing. Service Instructions G767 - 00.0 - 04/2024...
Page 100: Software Operating Modes
Automatic mode allows you to complete seam programs in 3 different modes: • Label (4 segments) • Pocket (6 segments) • Custom programs P1-P15 All programmable sewing parameters can be set individually for each segment. Service Instructions G767 - 00.0 - 04/2024...
Page 101: Functions Of The Tiles
• A short press resets the bobbin stitch counter Piece counter • Activates or deactivates the  p. 104 piece counter or resets the piece counter Service Instructions G767 - 00.0 - 04/2024...
Page 102 Backwards • Activates or deactivates the Backwards function • Sewing backwards is only possi- ble in the automatic mode of the seam program. Service Instructions G767 - 00.0 - 04/2024...
Page 103: Adjusting The Start Bartack
• n = 2 for double bartack • n > 2 for multi-bartack 3. Press to return to the main screen.  The new values are adopted. You can begin sewing; press the pedal forward to pedal position +1. Service Instructions G767 - 00.0 - 04/2024...
Page 104: Adjusting The End Bartack
 The new values are adopted. You can begin sewing; press the pedal forward to pedal position +1. At the end of the seam, press the pedal back to pedal position -2. Service Instructions G767 - 00.0 - 04/2024...
Page 105: Adjusting The Bobbin Stitch Counter
(optional) • A, B and C: Fully customizable If necessary, adjust the number of stitches using 4. Press to return to the main screen.  The new value is indicated in the tile. Service Instructions G767 - 00.0 - 04/2024...
Page 106: Piece Counter
0. 3. Press to return to the main screen.  The new value is indicated in the tile. 4. Perform a short press on the tile  The counter value is reset. Service Instructions G767 - 00.0 - 04/2024...
Page 107: Maximum Sewing Speed
(2) - Minimum value To adjust the maximum sewing speed: 1. Press 2. Use to adjust the value. 3. Press to return to the main screen.  The new value is indicated in the tile. Service Instructions G767 - 00.0 - 04/2024...
Page 108: Adjusting The Needle Position After Sewing Stop
2. Use to adjust the value. Another option is to turn the handwheel to set the desired needle position. 3. Press to return to the main screen.  The set value is adopted. Service Instructions G767 - 00.0 - 04/2024...
Page 109: Activating Soft Start
To activate the screen lock: 1. Press the tile  The screen is locked to prevent inadvertent touches. To deactivate the screen lock: 1. Perform a long press on the tile  The screen lock is canceled. Service Instructions G767 - 00.0 - 04/2024...
Page 110: Automatic Mode
(2) - Preset program with 4 segments 2. If you selected Fully customizable programs (P1 - P15) with up to 25 segments (1), press to select one of the programs: Fig. 82: Automatic mode (2) Service Instructions G767 - 00.0 - 04/2024...
Page 111 4. Press the Active segment display (9). Fig. 84: Automatic mode (4) ⑩ ⑬ ⑪ ⑫ (10) - Activate/deactivate segment (12) - Segment switch after number of stitches (11) - Active segment display (13) - Segment switch by pedal Service Instructions G767 - 00.0 - 04/2024...
Page 112 2. Release the pedal in pedal position 0.  The switch to the next segment is carried out. 3. Align the sewing material if necessary. To start sewing in the next segment, press the pedal forwards to pedal position +1. Service Instructions G767 - 00.0 - 04/2024...
Page 113: Settings
• Panel version • Multi test ( p. 115) Service • Reset programs ( p. 118) • Factory reset ( p. 119) • Export ( p. 120) Data Transfer • Import ( p. 120) Service Instructions G767 - 00.0 - 04/2024...
Page 114: Parameter Settings
4. Activate/deactivate parameters by pressing the button  The selected status (active/inactive) is highlighted with a color. 5. Press to return to the Parameter settings or press to return to the main screen.  The new setting is adopted. Service Instructions G767 - 00.0 - 04/2024...
Page 115 2. Use the arrows to enter the 4-digit password 2548. 3. Press confirm to confirm the password you entered. Information The password must be re-entered after every restart of the machine. Fig. 87: Technician parameters (2) Service Instructions G767 - 00.0 - 04/2024...
Page 116 The parameters on the technician level are marked with t at the front. 7. Press to return to the Parameter settings or press to return to the main screen.  The new setting is adopted. Service Instructions G767 - 00.0 - 04/2024...
Page 117: Service
The Test analog button is used to list the hardware tests that can be carried out in analog fashion. For more detailed descriptions of the func- tions, refer to the Parameter list found at technician level t 51 12. Service Instructions G767 - 00.0 - 04/2024...
Page 118 The possible inputs of the machine are found and described in the Parameter list at technician level t 51 12. 3. Press to return to the menu item Service or press to return to the main screen. Service Instructions G767 - 00.0 - 04/2024...
Page 119 All possible outputs of the machine are found and described in the Parameter list at technician level t 51 12. 3. Press to return to the menu item Service or press to return to the main screen. Service Instructions G767 - 00.0 - 04/2024...
Page 120 1. Open Settings > Service > Reset programs. Fig. 91: Reset programs 2. Select Reset to initialize the programs. 3. Press Cancel to return to the menu item Service or press to return to the main screen. Service Instructions G767 - 00.0 - 04/2024...
Page 121 Fig. 92: Factory reset 2. Select Reset to initialize the machine to the factory settings. 3. Press Cancel to return to the menu item Service or press to return to the main screen. Service Instructions G767 - 00.0 - 04/2024...
Page 122: Data Transfer
Import parameters from dongle Import parameters from the backup Import parameters from backup area Import programs from the USB key Import programs from dongle 4. Confirm selection.  The data has been imported. Service Instructions G767 - 00.0 - 04/2024...
Page 123: Maintenance
 Check the oil level  Pneumatic system Check the water level in the pressure regulator  Check the filter element in the maintenance unit  Check the tightness of the system  Service Instructions G767 - 00.0 - 04/2024...
Page 124: Cleaning
Sewing dust and thread residues should be removed after every 8 operat- ing hours using a compressed air gun or a brush. If very fluffy sewing ma- terial is being sewn, the machine must be cleaned even more frequently. Service Instructions G767 - 00.0 - 04/2024...
Page 125 • Area around the needle (1) To clean areas that are susceptible to soiling: 1. Switch off the machine. 2. Remove any lint and thread remnants using a compressed air gun or a brush. Service Instructions G767 - 00.0 - 04/2024...
Page 126: Cleaning The Motor Fan Mesh
3. Remove any lint and thread remnants using a brush. Fig. 95: Cleaning the motor fan mesh (2) ② (2) - Ventilation slots 4. Clean the ventilation slots (2) in the motor cover. Service Instructions G767 - 00.0 - 04/2024...
Page 127: Lubricating
• Viscosity at 40 °C:10 mm • Flash point: 150°C You can order the lubricating oil from our sales offices using the following part numbers. Container Part no. 250 ml 9047 000011 9047 000012 9047 000013 9047 000014 Service Instructions G767 - 00.0 - 04/2024...
Page 128: Check The Oil Level
2. Allow the machine to run without thread and sewing material for 10 seconds with the sewing feet lifted and at a high speed.  The blotting paper will show a thin strip of oil when sewing is complete. Service Instructions G767 - 00.0 - 04/2024...
Page 129: Servicing The Pneumatic System
Proper setting Refer to the Technical Data ( p. 139) 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. Service Instructions G767 - 00.0 - 04/2024...
Page 130 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. Service Instructions G767 - 00.0 - 04/2024...
Page 131: Draining The Water Condensation
2. Place a collection tray under the drain screw (3). 3. Loosen the drain screw (3) completely. 4. Allow water to drain into the collection tray. 5. Tighten the drain screw (3). 6. Connect the machine to the compressed air supply. Service Instructions G767 - 00.0 - 04/2024...
Page 132: Cleaning The Filter Element
6. Wash out the filter tray using benzine. 7. Tighten the filter element (1). 8. Tighten the water separator (2). 9. Tighten the drain screw (3). 10. Connect the machine to the compressed air supply. Service Instructions G767 - 00.0 - 04/2024...
Page 133: Parts List
Maintenance 19.4 Parts list A parts list can be ordered from Dürkopp Adler. Or visit our website for further information at: www.duerkopp-adler.com Service Instructions G767 - 00.0 - 04/2024...
Page 134 Maintenance Service Instructions G767 - 00.0 - 04/2024...
Page 135: 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. Service Instructions G767 - 00.0 - 04/2024...
Page 136 Decommissioning Service Instructions G767 - 00.0 - 04/2024...
Page 137: 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. Service Instructions G767 - 00.0 - 04/2024...
Page 138 Disposal Service Instructions G767 - 00.0 - 04/2024...
Page 139: Troubleshooting
Thread-guiding parts, such Check threading path as thread tube, thread guide or thread take-up disk, are sharp-edged Throat plate, hook or Have parts reworked by qualified spread have been specialists damaged by the needle Service Instructions G767 - 00.0 - 04/2024...
Page 140 Needle thread and hook Check threading path thread have not been threaded correctly Needle breakage Needle thickness is Use recommended needle unsuitable for the sewing thickness material or the thread Service Instructions G767 - 00.0 - 04/2024...
Page 141: Technical Data
Mains frequency [Hz] 50/60 Operating pressure [bar] Length [mm] Width [mm] Height [mm] Weight [kg] Power input [kVA] 0.646 23.2 Requirements for fault-free operation Compressed air quality must conform to ISO 8573-1: 2010 [7:4:4]. Service Instructions G767 - 00.0 - 04/2024...
Page 142 Technical data Service Instructions G767 - 00.0 - 04/2024...
Page 143: Appendix
Appendix 24 Appendix 24.1 Wiring diagrams Fig. 101: Wiring diagram Service Instructions G767 - 00.0 - 04/2024...
Page 144 Appendix Fig. 102: Wiring diagram (2) Service Instructions G767 - 00.0 - 04/2024...
Page 145 Appendix Fig. 103: Wiring diagram (3) Service Instructions G767 - 00.0 - 04/2024...
Page 146 Appendix Fig. 104: Wiring diagram (4) Service Instructions G767 - 00.0 - 04/2024...
Page 147 Appendix Fig. 105: Wiring diagram (5) Service Instructions G767 - 00.0 - 04/2024...
Page 148 Appendix Fig. 106: Wiring diagram (6) Service Instructions G767 - 00.0 - 04/2024...
Page 149 Appendix Fig. 107: Wiring diagram (7) Service Instructions G767 - 00.0 - 04/2024...
Page 150 Appendix Fig. 108: Wiring diagram (8) Service Instructions G767 - 00.0 - 04/2024...
Page 151 Appendix Fig. 109: Wiring diagram (9) Service Instructions G767 - 00.0 - 04/2024...
Page 152: Pneumatic Diagram
Appendix 24.2 Pneumatic diagram Fig. 110: Pneumatic diagram Service Instructions G767 - 00.0 - 04/2024...
Page 154 DÜRKOPP ADLER GmbH Potsdamer Str. 190 33719 Bielefeld Germany Phone: +49 (0) 521 925 00 Email: service@duerkopp-adler.com www.duerkopp-adler.com...

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