DURKOPP ADLER 969 Service Instructions Manual
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DURKOPP ADLER 969 Service Instructions Manual

DURKOPP ADLER 969 Service Instructions Manual

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Summary of Contents for DURKOPP ADLER 969

  • Page 1 Service Instructions...
  • Page 2 IMPORTANT READ CAREFULLY BEFORE USE KEEP FOR FUTURE REFERENCE All rights reserved. Property of Dürkopp Adler AG and protected by copyright. Any reuse of these contents, including extracts, is prohibited without the prior written approval of Dürkopp Adler AG. Copyright © Dürkopp Adler AG 2019...

  • Page 3: Table Of Contents

    Setting the eccentric for the forward and backward stitches ..39 Setting the feed dog ..............40 Setting the feed dog position ............40 8.1.1 Moving the feed dog carrier in sewing direction ......41 Service Instructions 969 - 06.0 - 03/2019...
  • Page 4 Programming ................85 Maintenance ................91 16.1 Cleaning ..................92 16.2 Lubricating .................. 94 16.3 Servicing the pneumatic system ..........96 16.3.1 Setting the operating pressure ........... 96 16.3.2 Draining the water condensation ..........97 Service Instructions 969 - 06.0 - 03/2019...
  • Page 5 Parts list ..................102 Decommissioning..............103 Disposal................... 105 Troubleshooting ..............107 19.1 Customer Service ..............107 19.2 Messages of the software............107 19.3 Errors in sewing process ............113 Technical data................. 115 Appendix ................. 117 Service Instructions 969 - 06.0 - 03/2019...
  • Page 6 Table of Contents Service Instructions 969 - 06.0 - 03/2019...

  • 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 969 - 06.0 - 03/2019...
  • 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 969 - 06.0 - 03/2019...

  • 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 969 - 06.0 - 03/2019...
  • Page 10 About these instructions Service Instructions 969 - 06.0 - 03/2019...

  • 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 969 - 06.0 - 03/2019...

  • 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 Service Instructions 969 - 06.0 - 03/2019...
  • 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 969 - 06.0 - 03/2019...
  • 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 969 - 06.0 - 03/2019...

  • Page 15: Working Basis

    1. Lay any excess cabling neatly in proper cable snakes. 2. Bind together the cable loops with cable ties. Tie loops wherever possible to fixed parts. Important The cables must be secured firmly. 3. Cut off any overlapping cable ties. Service Instructions 969 - 06.0 - 03/2019...

  • Page 16: Removing And Assembling Covers

    To access the components on the underside of the machine, swivel up the machine head. Fig. 1: Access to the underside of the machine ① ② ③ (1) - Machine head (3) - Lever (2) - Bartack Service Instructions 969 - 06.0 - 03/2019...

  • Page 17: Removing The Arm Cover

    The cover cannot be disassembled unless the adjusting wheels are set to the proper position. 3. Loosen the screws on the left arm cover (3). 4. Lift the left arm cover (3) up and off. Service Instructions 969 - 06.0 - 03/2019...

  • Page 18: Removing The Head Cover

    3.3.3 Removing the head cover Fig. 3: Removing the head cover ① ② (1) - Head cover (2) - Screws To remove the head cover: 1. Loosen the screws (2). 2. Remove the head cover (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 19: Removing The Cover Plate

    Fig. 5: Removing the belt cover ① ④ ② ③ (1) - Screws (3) - Belt cover (2) - Handwheel (4) - Screws To remove the belt cover: 1. Loosen the screws (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 20: Removing The Thread Tension Plate

    1. Remove the right arm cover (3) ( p. 15). Important The thread tension plate is connected to cables and hoses that are attached below the upper right arm cover. 2. Loosen the screws (2). 3. Remove the thread tension plate (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 21: Disassembling The Throat Plate

    Fig. 7: Disassembling the throat plate ① ② ① (1) - Screws (2) - Throat plate To disassemble the throat plate: 1. Swivel up the sewing foot. 2. Loosen the screws (1). 3. Remove the throat plate (2). Service Instructions 969 - 06.0 - 03/2019...

  • Page 22: Disassembling And Assembling The Feed Dog

    3. Assemble the throat plate. 4. Set the feed dog (1) so that it has an equal amount of play on both sides when inside the throat plate. 5. Tighten the screws (3). Service Instructions 969 - 06.0 - 03/2019...

  • Page 23: Flats On Shafts

    Always ensure that the screw faces are completely flush with the surface. If the component to be assembled has several screws all around, while the shaft only possesses one flat, the first screw should be located in the shaft's direction of rotation. Service Instructions 969 - 06.0 - 03/2019...

  • Page 24: Axial Play For Shafts Running In Plain Bearings

    • Setting the loop stroke and needle bar height • Position 2: Handwheel zero position • 3 mm end in the small slot • Setting the handwheel position and checking the bottom dead center for the needle bar Service Instructions 969 - 06.0 - 03/2019...
  • Page 25 • Larger slot at handwheel position 206° 2. Insert the locking peg (2) with the appropriate end into the slot (1). Removing the lock To remove the lock: 1. Pull the locking peg (2) out of the slot (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 26: Setting The Handwheel Into Position

    Fig. 12: Setting the handwheel into position ① ② (1) - Scale (2) - Marking To set the handwheel into position: 1. Turn the handwheel until the specified number on the scale (1) is next to the marking (2). Service Instructions 969 - 06.0 - 03/2019...

  • Page 27: Positioning The Arm Shaft

    1. Loosen the threaded pins (1) on the arm shaft crank. 2. Turn the arm shaft crank so that the threaded pins (1) are seated flush on the flat of the arm shaft. 3. Tighten the threaded pins (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 28: Setting The Handwheel Scale

    6. Slide a hexagonal wrench through the slot (3) and tighten the adjusting screw. 7. Remove belt cover and handwheel( p. 17). 8. Tighten the screws (1). 9. Assemble the V-ribbed belt. 10. Assemble belt cover and handwheel. Service Instructions 969 - 06.0 - 03/2019...

  • Page 29: Setting The Drive

    (2) - Tensioning roller (4) - Screws To disassemble the V-ribbed belt: 1. Loosen the screws (4). 2. Rotate the tensioning roller (2) and belt tensioner (3). 3. Remove the V-ribbed belt (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 30: Setting The Drive Pulley

    2. Pull the drive pulley (2) off the motor shaft and put it back on the other way round. 3. Set a height difference of 16 mm between the faces of the drive pulley (2) and the driven pulley (1). 4. Tighten the screws (3). Service Instructions 969 - 06.0 - 03/2019...

  • Page 31: Setting The Belt Tension

    V-ribbed belt (7). 3. Insert a hexagonal wrench into the hexagon slot (2). 4. Tension the V-ribbed belt (7). 5. Tighten the screws (4). 6. Check and, if necessary, correct the belt tension. Service Instructions 969 - 06.0 - 03/2019...

  • Page 32: Setting The Drive Ratio (Heavy Transport)

    (2) - Tensioning roller (4) - Screws To disassemble the V-ribbed belt: 1. Loosen the screws (4). 2. Rotate the tensioning roller (2) and belt tensioner (3). 3. Remove the V-ribbed belt (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 33: Setting The Drive Pulley

    2. Pull the drive pulley (2) off the motor shaft and put it back on the other way round. 3. The drive pulley (2) and the driven pulley (1) are in alignment. 4. Tighten the screws (3). Service Instructions 969 - 06.0 - 03/2019...

  • Page 34: Setting The Belt Tension

    V-ribbed belt (7). 3. Insert a hexagonal wrench into the hexagon slot (2). 4. Tension the V-ribbed belt (7). 5. Tighten the screws (5). 6. Check and, if necessary, correct the belt tension. Service Instructions 969 - 06.0 - 03/2019...

  • Page 35: Setting The Positioning Of The Machine

    2. Manually rotate the handwheel (2) by at least 2 turns.  The display on the control panel will show a new value for the drive ratio. 3. Press the OK button to confirm this new parameter value. Service Instructions 969 - 06.0 - 03/2019...

  • Page 36: Setting The Reference Position Of The Handwheel

    3. Set the value 105° on the handwheel. 4. Press the OK button to confirm the set position. 5. Press the ESC button to exit parameter setting mode. 6. Switch off and on the machine again. Service Instructions 969 - 06.0 - 03/2019...

  • Page 37: Setting The Stitch Length Adjusting Wheel

    It is not possible to set a larger stitch length on the lower adjusting wheel than on the upper adjusting wheel. It is not possible to set a larger stitch length on the upper adjusting wheel than on the lower adjusting wheel. Service Instructions 969 - 06.0 - 03/2019...

  • Page 38: Setting The Upper Stitch Length Adjusting Wheel

    7. To set the stitch length, use a size 10 wrench to carefully turn the shaft (4). • to set a shorter stitch length: turn clockwise • to set a longer stitch length: turn counterclockwise Service Instructions 969 - 06.0 - 03/2019...

  • Page 39: Setting The Lower Stitch Length Adjusting Wheel

    4. Hold the lower stitch length adjusting wheel (2) in place using the wrench (6). 5. Loosen the screw (1). 6. Remove the lower stitch length adjusting wheel (2) from the shaft (4). Service Instructions 969 - 06.0 - 03/2019...

  • Page 40: Setting The Stitch Length Limit

    1. Position the upper stitch length adjusting wheel (1) to 0. 2. Hold the upper stitch length adjusting wheel (1) in place using the wrench (3). 3. Loosen the screw (2). 4. Remove the upper stitch length adjusting wheel (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 41: Setting The Eccentric For The Forward And Backward Stitches

    If the forward and backward stitches are not the same length: • Turn clockwise: the forward stitch becomes larger, the backward stitch smaller. • Turn counterclockwise: the forward stitch becomes smaller, the backward stitch larger. 3. Tighten the threaded pin (3). Service Instructions 969 - 06.0 - 03/2019...

  • Page 42: Setting The Feed Dog

    When the stitch length is set to 0 and the needle is at the bottom dead center, the center of the feed dog opening lines up with the axis of the needle. Cover • Tilt the machine head ( p. 14) Service Instructions 969 - 06.0 - 03/2019...

  • Page 43: Moving The Feed Dog Carrier In Sewing Direction

    2. Loosen the screw (1). 3. Move the feed dog carrier in the sewing direction such that the feed dog is exactly in the center of the throat plate cutout. 4. Tighten the screw (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 44: Moving The Feed Dog Sideways

    When doing this, make sure that the stroke shaft (3) is held firmly in place by the adjusting ring (5) and the pin (1). 8. Push the pin (1) all the way in and tighten the threaded pin (6). Service Instructions 969 - 06.0 - 03/2019...

  • Page 45: Setting The Feed Dog Movement

    5. Turn the pusher eccentric (2) so that the feed dog and needle no longer move when the stitch adjustment lever (3) is pressed. 6. Tighten the threaded pins (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 46: Setting The Feed Dog Height At Top Dead Center

    4. Move the feed dog (1) until it protrudes 1.3 mm from the throat plate. 5. Tighten the screw (3). 6. Check the feed dog height at top dead center. To do so, use, for instance, a plate (4) and a feeler gage (5). Service Instructions 969 - 06.0 - 03/2019...

  • Page 47: Setting The Feed Dog Stroke Movement

    4. Tighten the threaded pins (1). 5. Check if the feed dog is at the same height at 90° and 270°; adjust if necessary. Service Instructions 969 - 06.0 - 03/2019...

  • Page 48: Setting The Feeding Eccentric With Adjusting Tube

    (1) - Stroke eccentric sewing feet (4) - First hole in direction of rotation (2) - Edge of the arm slot (5) - Stroke eccentric feed dog (3) - Adjusting tube (6) - Pusher eccentric feed dog Service Instructions 969 - 06.0 - 03/2019...
  • Page 49 2. Insert the adjusting tube (3) into the first hole in the direction of rotation (4). 3. Press the adjusting tube (3) against the front edge of the machine arm. 4. Set the handwheel to 5°. 5. Tighten the threaded pins on the stroke eccentric (5). Service Instructions 969 - 06.0 - 03/2019...

  • Page 50: Aligning The Needle Bar Linkage

    90°, needle bar, the sewing foot bar and the presser foot bar are in a line. Cover • left and right arm cover ( p. 15) • Head cover ( p. 16) Service Instructions 969 - 06.0 - 03/2019...
  • Page 51 7. Move the needle bar linkage (7) sideways so that needle bar (4), feeding foot bar (5) and presser foot bar (6) are all in a line. 8. Tighten screws (1), (2), (3), and (8). Service Instructions 969 - 06.0 - 03/2019...

  • Page 52: Aligning The Needle Bar Linkage In The Sewing Direction

    2. Turn the needle bar (2) until it is parallel to the presser foot bar (3). 3. Set the distance between the bars to L = 44 mm. 4. Tighten the screw (1). 5. Check the axial play ( p. 22). Service Instructions 969 - 06.0 - 03/2019...

  • Page 53: Position Of The Hook And Needle

    To tension the hook drive toothed belt: 1. Loosen the screw (3). 2. Turn the eccentric pin (1) with the tensioning pulley and tension the toothed belt (2). 3. Tighten the screw (3). Service Instructions 969 - 06.0 - 03/2019...

  • Page 54: Setting The Dead Center Of The Reciprocating Hook Movement

    • Tilt the machine head ( p. 14) Fig. 38: Setting the dead center of the reciprocating hook movement (2) ① ② ③ (1) - Screw (3) - Pull rod (2) - Screws Service Instructions 969 - 06.0 - 03/2019...
  • Page 55 4. Tighten screws (1) and (2). 5. Turn the pull rod to the lower dead center and check if the driver nose (5) points exactly to the marking (4). 6. Readjust if necessary. Service Instructions 969 - 06.0 - 03/2019...

  • Page 56: Setting The Loop Stroke Position

    (2) - Screws To set the loop stroke position: 1. Set the stitch length to 0. 2. Loosen the screws (1). 3. Lock the machine in place at position 1. 4. Loosen the screw (2). Service Instructions 969 - 06.0 - 03/2019...

  • Page 57: Setting The Hook Clearance

    The hook tip must not touch the needle when moving past the needle. Cover • Disassemble the throat plate ( p. 19) • Remove the feed dog ( p. 20) • Tilt the machine head ( p. 14) Service Instructions 969 - 06.0 - 03/2019...
  • Page 58 When removing the hook cage, make sure not to damage the oil wick. The hook cage (1) cannot be removed unless the driver and the slot in the hook cage (1) are in alignment. Service Instructions 969 - 06.0 - 03/2019...

  • Page 59: Setting The Needle Guard

    • Reduce the distance: Slide the driver (2) to the right 6. Tighten the screw (4). 7. Check if the distance between needle (1) and hook (3) is greater than 0.1 mm and, if so, correct the setting. Service Instructions 969 - 06.0 - 03/2019...

  • Page 60: Setting The Loop Former

    ③ (1) - Screws (3) - Distance piece (2) - Loop former To set the loop former: 1. Loosen the screws (1). 2. Take out the loop former (2) and distance piece (3). Service Instructions 969 - 06.0 - 03/2019...

  • Page 61: Setting The Needle Bar Height

    (4) - Groove To set the needle bar height: 1. Lock the machine in place at position 1. 2. Set the upper stitch length adjusting wheel to 0. 3. Loosen the screw (1). Service Instructions 969 - 06.0 - 03/2019...
  • Page 62 The groove (4) must face toward the hook. 5. Tighten the screw (1). 6. Remove the lock. 7. Check the height of the needle bar at maximum stitch length when sewing forward and in reverse; adjust it again if necessary. Service Instructions 969 - 06.0 - 03/2019...

  • Page 63: Setting The Sewing Feet

    The connecting rods are in a line.  The ball pin is touching the stop screw. The torsion spring is twisted 15° - 20°. Cover • left and right arm cover ( p. 15) Service Instructions 969 - 06.0 - 03/2019...
  • Page 64 (1) remain in a line. 5. Tighten the counternut (8). 6. Turn the torsion spring (3) with the pin (4) 15° - 20° in the direction of the arrow. 7. Tighten the screw in the slot (5). Service Instructions 969 - 06.0 - 03/2019...

  • Page 65: Setting The Drive Dog Of The Presser Foot Bar

    (11) - Slot (4) - Shaft (12) - Sliding block (5) - Gully (13) - Lever (6) - Assembly (14) - Drive dog screw (7) - Plate (15) - Drive dog (8) - Presser foot Service Instructions 969 - 06.0 - 03/2019...

  • Page 66: Setting The Feed Stroke Of Presser Foot And Sewing Foot

     The lever is attached to the lift bar of the feet in such a way that the presser foot is positioned 0.3 mm higher than the sewing foot. Cover • left and right arm cover ( p. 15) • head cover ( p. 16) Service Instructions 969 - 06.0 - 03/2019...
  • Page 67 5. Place the plate (3) under the feet so that the feeding foot (4) is 0.3 mm lower than the presser foot (1). 6. Manually move both feet down as far as they will go. 7. Tighten the screw (5). Service Instructions 969 - 06.0 - 03/2019...

  • Page 68: Setting The Stroke Movement For The Feeding Foot

    Ensure not to move the stroke eccentric (5) laterally on the axle. 5. Tighten the threaded pins (4). 6. Loosen the threaded pin (7) far enough so that the clips (6) are in a line again. Service Instructions 969 - 06.0 - 03/2019...

  • Page 69: Setting The Foot Stroke

    2. Loosen the screw (2) and leave the hexagonal wrench (3) inserted. 3. Turn the stroke lever (4) so that there is a clearance of 0.3 - 0.5 mm between the stroke lever (4) and the drive dog (5). 4. Tighten the screw (2). Service Instructions 969 - 06.0 - 03/2019...

  • Page 70: Setting The Foot Stroke Using The Pneumatic Cylinder

    3. Activate the pneumatic foot lift ( Operating Instructions).  The presser foot is lifted. 4. Turn the screw (1) until the presser foot (3) is positioned 30 mm above the throat plate. 5. Tighten the counternut (2). Service Instructions 969 - 06.0 - 03/2019...

  • Page 71: Setting The Thread System

    When at its initial position, the spring is turned by 90°. Fig. 52: Setting the thread tension spring ① ④ ② ③ (1) - Screw (3) - Body (2) - Thread tension spring (4) - Sleeve Service Instructions 969 - 06.0 - 03/2019...

  • Page 72: Setting The Winder

    (4) - Winder wheel To set the winder: 1. Loosen the counternut (3). 2. Loosen or tighten the adjusting screw (2) so that the arms of the winder levers (1) are approximately parallel. Service Instructions 969 - 06.0 - 03/2019...
  • Page 73 The winder is switched off when the thread has been wound up to 0.5 - 1 mm below the outer diameter of the bobbin. Cover • Thread tension plate ( p. 18) Service Instructions 969 - 06.0 - 03/2019...
  • Page 74 ⑫ (9) - Blocking lever (11) - Microswitch (10) - Blocking cam (12) - Screws 5. Loosen the screws (12). 6. Set the position of the microswitch (11). 7. Tighten the screws (12). Service Instructions 969 - 06.0 - 03/2019...
  • Page 75 0.5 - 1 mm below the outer diameter of the bobbin (4). If the winder (4) fails to do so, tighten the screw (2) further or loosen it and repeat the test. 12. Once the desired result has been obtained, tighten the counternut (3). Service Instructions 969 - 06.0 - 03/2019...

  • Page 76: Setting The Hook Thread Guide

    4. Tighten the screw (5). 5. If the hook thread is still concentrated at one end of the bobbin, adjust the inclination of the hook thread guide (3) using the threaded pins (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 77: Setting The Thread Cutter

    To set the thread cutter timing: 1. Loosen the screw (1). 2. Adjust the lever (2) to a distance of 80 mm from the right edge of the arm. 3. Tighten the screw (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 78: Setting The Initial Position Of The Thread Cutter And The Position Of The Thread-Pulling Knife

    Cover • right arm cover ( p. 15) • throat plate ( p. 19) • feed dog( p. 20) • tilt the machine head ( p. 14) Service Instructions 969 - 06.0 - 03/2019...
  • Page 79 To set the initial position of the thread cutter and the position of the thread- pulling knife: 1. Move the handwheel into the 80° position. 2. Loosen the screw on the lever (2) through the assembly opening (1). 3. Loosen the screw (3) on the lever (4). Service Instructions 969 - 06.0 - 03/2019...
  • Page 80 (7) - Fixed knife (6) - Marking 4. Set the thread-pulling knife (5) such that the marking (6) lines up with the blade of the fixed knife (7). 5. Extend the thread-pulling knife (5). Service Instructions 969 - 06.0 - 03/2019...
  • Page 81 80°. 10. Push the roll (12) down. 11. Tighten the screw on the lever (2) through the assembly opening (1). 12. Push the lever (4) to the right. 13. Tighten the screw (3). Service Instructions 969 - 06.0 - 03/2019...
  • Page 82 (14) is positioned in the slot (13) of the thread-pulling knife (5). 16. Perform a sewing test with a sheet of paper at normal speed and read- just if necessary. Service Instructions 969 - 06.0 - 03/2019...

  • Page 83: Setting The Pneumatic Cylinder Lever

    4. Turn the lever (2) slightly back until there is gap between the piston (3) and the base of the pneumatic cylinder (4) that is approx. 0.5 - 1 mm wide. 5. Tighten the screw for the lever (2) through the assembly opening (1). Service Instructions 969 - 06.0 - 03/2019...

  • Page 84: Setting The Cutting Pressure

    1. Turn the screw (1). • Increase the cutting pressure: Turn screw (1) clockwise • Reduce the cutting pressure: Turn screw (1) counterclockwise 2. Sew and cut off the thread. 3. Readjust the cutting pressure if necessary. Service Instructions 969 - 06.0 - 03/2019...

  • Page 85: Setting The Hook Thread Clamp

    Hook thread end (1) shorter than 40 mm: 1. Turn the screw (2) clockwise to increase the clamping force. Hook thread end (1) longer than 50 mm: 1. Turn the screw (2) counterclockwise to reduce the clamping force. Service Instructions 969 - 06.0 - 03/2019...

  • Page 86: Soft Start

    Fig. 66: Soft start ① (1) - Control panel OP1000 To activate soft start: 1. Activate the soft start setting on the OP1000 control panel (1) ( Instructions for use DAC basic/classic). Service Instructions 969 - 06.0 - 03/2019...

  • Page 87: Programming

    (3) - Function button (7) - Display (4) - Programming button group Button Function Thread button group Start bartack • Sets the start bartack Multiple start bartack • Sets the multiple start bartack Service Instructions 969 - 06.0 - 03/2019...
  • Page 88 Speed • Reduces the motor speed Function button • Activates or deactivates any stored function Programming button group • Ends parameter mode • Increases parameter • Changes user level • Selects subprogram Service Instructions 969 - 06.0 - 03/2019...
  • Page 89 • Starts or ends the parameter mode • Decreases parameter • Changes user level • Selects subprogram • Decreases parameter • Changes to next lower category • Selects subprogram • Decreases parameter • Selects subprogram Service Instructions 969 - 06.0 - 03/2019...
  • Page 90 • Resets the (piece) counter Seam program button group Seam program I • Activates seam program I Seam program II • Activates seam program II Seam program III • Sets seam program III Service Instructions 969 - 06.0 - 03/2019...
  • Page 91 • Thread clamp • Locking mechanism • Sewing backwards • Thread trimmer • Automatic sewing foot lift • Needle position • Speed reduction • Number of stitches • Stitch length (upper and lower adjusting wheel) Service Instructions 969 - 06.0 - 03/2019...
  • Page 92 Programming Service Instructions 969 - 06.0 - 03/2019...

  • Page 93: Maintenance

    Maintenance intervals Work to be carried out Operating hours Removing lint and thread remnants  Checking the oil level  Servicing the pneumatic system  Lubricating the needle bar  Service Instructions 969 - 06.0 - 03/2019...

  • Page 94: Cleaning

    Lint and thread remnants can impair the operation of the machine. Clean the machine as described. NOTICE Property damage from solvent-based cleaners! Solvent-based cleaners will damage paintwork. Use only solvent-free substances for cleaning. Service Instructions 969 - 06.0 - 03/2019...
  • Page 95 • Hook and thread cutter (4) To clean the machine: 1. Switch off the machine. 2. Disassemble the throat plate ( p. 19). 3. Remove any lint and thread remnants using a brush or compressed air gun. Service Instructions 969 - 06.0 - 03/2019...

  • Page 96: Lubricating

    • 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 969 - 06.0 - 03/2019...
  • Page 97 To top off the oil: 1. Switch off the machine. 2. Fill oil through the oil filler opening (1) no higher than the maximum level marking (2). 3. Switch on the machine again. Service Instructions 969 - 06.0 - 03/2019...

  • Page 98: Servicing The Pneumatic System

    2. Turn the pressure controller until the pressure gage (2) indicates the proper setting: • Increase pressure = turn clockwise • Reduce pressure = turn counterclockwise 3. Push the pressure controller (1) down. Service Instructions 969 - 06.0 - 03/2019...

  • Page 99: Draining The Water Condensation

    2. Place the 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 969 - 06.0 - 03/2019...

  • Page 100: 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 969 - 06.0 - 03/2019...

  • Page 101: Lubricating The Needle Bar

    7. Set parameter t 51 14 to the value 1 and press OK to confirm. 8. Switch off the machine. 9. Switch on the machine again.  The machine is ready for sewing, and the counter has been reset. Service Instructions 969 - 06.0 - 03/2019...

  • Page 102: Securing The Shafts Of The Stitch Length Adjusting Wheels

    To secure the shafts of the stitch length adjusting wheels: 1. Remove the ventilation grid ( p. 17). 2. Loosen the screw (4). 3. Slide the clamping ring (2) to the right. 4. Slide the stitch adjustment lever (5) to the right. Service Instructions 969 - 06.0 - 03/2019...
  • Page 103  The shaft of the upper stitch length adjusting wheel has been secured. • Place the upper stitch length adjusting wheel (1) • Tighten the screws (6) Service Instructions 969 - 06.0 - 03/2019...

  • Page 104: Parts List

    10. Tighten the screw (4). Order Next, set the stitch length adjusting wheels ( p. 35). 16.6 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 969 - 06.0 - 03/2019...

  • Page 105: 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 969 - 06.0 - 03/2019...
  • Page 106 Decommissioning Service Instructions 969 - 06.0 - 03/2019...

  • Page 107: 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 969 - 06.0 - 03/2019...
  • Page 108 Disposal Service Instructions 969 - 06.0 - 03/2019...

  • Page 109: Troubleshooting

    PE) • Replace encoder • Replace sewing motor • Replace control 1002 Sewing motor insulation fault • Check motor phase and PE for low-impedance connection • Replace encoder • Replace sewing motor Service Instructions 969 - 06.0 - 03/2019...
  • Page 110 • Check selection of class • Replace control 1054 Internal short circuit • Replace control 1055 Sewing motor overload • Eliminate stiff movement in the sewing machine • Replace encoder • Replace sewing motor Service Instructions 969 - 06.0 - 03/2019...
  • Page 111 2222 DA stepper card 2 flywheel • Check connection cables position not found • Check stepper motor 2 for stiff movement 2255 DA stepper card 2 overload • Check for stiff movement Service Instructions 969 - 06.0 - 03/2019...
  • Page 112 Remaining thread monitor left • Change the left bobbin 3217 Remaining thread monitor • Change the right bobbin right 3218 Remaining thread monitor left • Change the left and right bobbin and right Service Instructions 969 - 06.0 - 03/2019...
  • Page 113 Internal EEprom defective and • Replace control external EEprom not connected (emergency operating features only) 7202 Checksum error during update • Check connection cables • Perform a software update • Replace DACextension box Service Instructions 969 - 06.0 - 03/2019...
  • Page 114 • Performing a software update • Machine ID reset • Replace control 8406 Checksum error • Performing a software update • Replace control 8501 Software protection • The DA tool must always be used for software updates Service Instructions 969 - 06.0 - 03/2019...

  • Page 115: Errors In Sewing Process

    Check the assembly of the reel incorrectly stand Thread tensions are too tight Check thread tensions Throat plate, hook or spread Have parts reworked by qualified have been damaged by the specialists needle Service Instructions 969 - 06.0 - 03/2019...
  • Page 116 Needle thread and hook Check threading path thread have not been threaded correctly Needle breakage Needle thickness is unsuitable Use recommended needle for the sewing material or the thickness thread Service Instructions 969 - 06.0 - 03/2019...

  • Page 117: Technical Data

    1250 1000 [min Speed on delivery 1000 1000 [min Mains voltage Mains frequency [Hz] 50/60 Operating pressure [bar] Length [mm] 1300 Width [mm] Height [mm] Weight [kg] Standard arm: 92 Long arm: 145 Service Instructions 969 - 06.0 - 03/2019...
  • Page 118 6 functions of the buttons housed in the button bar. Possible operating functions are manual bartack, needle up/down, bartack suppression, second stitch length, and switchable thread tension Service Instructions 969 - 06.0 - 03/2019...

  • Page 119: Appendix

    Appendix 21 Appendix Fig. 76: Wiring diagram Service Instructions 969 - 06.0 - 03/2019...
  • Page 120 Appendix Service Instructions 969 - 06.0 - 03/2019...
  • Page 122 DÜRKOPP ADLER AG 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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