DURKOPP ADLER 967 Instruction Manual
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DURKOPP ADLER 967 Instruction Manual

DURKOPP ADLER 967 Instruction Manual

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Summary of Contents for DURKOPP ADLER 967

  • Page 1 Service Instructions...
  • Page 2 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 - 2015...

  • Page 3: Table Of Contents

    Setting the feed dog position ............39 8.1.1 Moving the feed dog ..............40 8.1.2 Moving the feed dog carrier ............40 Setting the feed dog movement..........42 8.2.1 Adjusting the forwards movement ..........42 Service Instructions 967 - 02.0 - 12/2015...
  • Page 4 Adjusting the cutting pressure of the knife........80 14.6 Setting the hook thread clamp ............ 80 Soft start ..................83 Maintenance ................85 16.1 Cleaning the filter element ............85 16.2 Lubricating the needle bar ............87 Service Instructions 967 - 02.0 - 12/2015...

  • Page 5: About These Service Instructions

    About these Service Instructions About these Service Instructions These instructions for sewing machine 967 have been compiled with the utmost care. They contain information and notes in order to ensure long- term and reliable operation. 1.1 Scope of the Service Instructions These instructions describe the setting and maintenance work on the 967 machine.

  • Page 6: Other Documents

    • Breakage and damage during transport • Failure to follow the operating instructions • Improper use • Unauthorized modifications to the machine • Use of untrained personnel • Use of unapproved replacement parts Service Instructions 967 - 02.0 - 12/2015...

  • Page 7: Safety

    Work on electrical equipment may only be carried out by qualified specialists. Only authorized persons may work on the machine. Every person who works on the machine must first have understood these instructions. Service Instructions 967 - 02.0 - 12/2015...

  • Page 8: Signal Words And Symbols Used In Warnings

    If ignored, moderate or light injury 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 Puncturing Crushing Environmental damage Service Instructions 967 - 02.0 - 12/2015...
  • Page 9 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 967 - 02.0 - 12/2015...
  • Page 10 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 967 - 02.0 - 12/2015...

  • Page 11: Working Basis

    Machine damage and malfunctions can be caused by laying the cables incorrectly. Excess cabling may obstruct moving machine parts in their ability to function correctly. This will affect the sewing function and may cause damage. Lay excess cabling as described above. Service Instructions 967 - 02.0 - 12/2015...

  • Page 12: Removing The Covers

    Fig. 1: Tilting and erecting the machine head Tilting the machine head 1. Tilt the machine head as far as it will go. Erecting the machine head 1. Erect the machine head. Service Instructions 967 - 02.0 - 12/2015...

  • Page 13: Removing And Fitting The Arm Cover

    3. Raise the cover and loosen the supply connector of the fan that is attached to the underside of the cover. 4. Lift the upper right cover (5) up in the direction of the arrow. Service Instructions 967 - 02.0 - 12/2015...

  • Page 14: Removing And Fitting The Head Cover

    3.3.4 Removing and fitting the cover plate Fig. 4: Removing the cover plate ① ② (1) - Cover plate (2) - Screws Removing the cover plate 1. Loosen the screws (2). 2. Remove the cover plate (1). Service Instructions 967 - 02.0 - 12/2015...

  • Page 15: Removing And Fitting Handwheel And Belt Cover

    3.3.6 Removing and installing the thread tension plate Fig. 6: Removing the thread tension plate ① ② ③ (1) - Upper right cover (2) - Thread tension plate fastening screws (3) - Thread tension plate Service Instructions 967 - 02.0 - 12/2015...

  • Page 16: Removing And Installing The Hook Compartment Cover

    2. Push the cover (1) up. 3. Applying moderate force, pull the cover (3) up and off (cover is held in place by permanent magnets). 4. Loosen the screws (4). 5. Remove the plate (5). Service Instructions 967 - 02.0 - 12/2015...

  • Page 17: Removing And Installing The Throat Plate

    (2) - Screws Removing the throat plate 1. Remove the hook compartment cover ( p. 14). 2. Raise the foot using the hand lever. 3. Loosen the screws (2). 4. Remove the throat plate (1). Service Instructions 967 - 02.0 - 12/2015...

  • Page 18: Removing And Installing The Feed Dog

    2. Install the throat plate ( p. 15) 3. Adjust the feed dog (3) such that it has an equal amount of play on both sides when inside the throat plate. 4. Tighten the screws (2). Service Instructions 967 - 02.0 - 12/2015...

  • Page 19: Flats On Shafts

    Some shafts have flat surfaces at those points where the components are screwed on. This stabilizes the connection and makes adjustment easier. Always ensure that the screw faces are completely flush with the surface. Service Instructions 967 - 02.0 - 12/2015...

  • Page 20: Axial Play For Shafts Running In Plain Bearings

    (3) and the adjusting ring (4) touch the front face of the bearing shells (1). When adjusting components mounted on shafts running in plain bearings, always ensure that the axial play of these shafts is as small as possible or amounts to 0. Service Instructions 967 - 02.0 - 12/2015...

  • Page 21: Locking The Machine In Place

    • Large groove at handwheel position 200 – 205° 2. Insert the arresting pin (2) with the appropriate end into the groove (1). Removing the lock 1. Pull the locking peg (2) out of the groove (1). Service Instructions 967 - 02.0 - 12/2015...

  • Page 22: Putting The Handwheel Into Position

    Fig. 13: Putting the handwheel into position ① ② (1) - Graduated scale (2) - Marking Setting steps 1. Turn the handwheel until the specified number on the graduated scale (1) is next to the marking (2). Service Instructions 967 - 02.0 - 12/2015...

  • Page 23: Positioning The Arm Shaft

    3. Push the arm shaft to the right as far as it will go and flush with the machine casting. 4. Tighten all setscrews (1) on the arm shaft crank. Service Instructions 967 - 02.0 - 12/2015...
  • Page 24 Positioning the arm shaft Service Instructions 967 - 02.0 - 12/2015...

  • Page 25: Setting The Handwheel Scale

    6. Slide the hex key through the opening (3) into the adjusting screw and tighten the screw. 7. Remove belt cover and handwheel ( p. 13). 8. Tighten the screws (1). 9. Install ridged drive belt as well as belt cover and handwheel. Service Instructions 967 - 02.0 - 12/2015...
  • Page 26 Setting the handwheel scale Service Instructions 967 - 02.0 - 12/2015...

  • Page 27: Setting The Drive

    (4) - Belt tensioner screws Setting steps 1. Loosen the screws (4) of the belt tensioner (3). 2. Rotate tensioning roller (2) and belt tensioner (3). 3. Take off the ridged drive belt (1). Service Instructions 967 - 02.0 - 12/2015...

  • Page 28: Adjusting 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 967 - 02.0 - 12/2015...

  • Page 29: Adjusting The Belt Tension

    3. Insert the hex key into the hexagonal opening (2), tension the ridged drive belt (7) and tighten the screws (4). 4. Check the belt tension. 5. Correct the tension of the belt if necessary. Service Instructions 967 - 02.0 - 12/2015...

  • Page 30: Adjusting The Positioning Of The Machine

    The reference position is at 105° on the handwheel scale (2). Setting steps 1. Select parameter setting mode on the OP1000 control panel (1) and set the parameter t 08 10 ( DAC basic/classic Service Instructions). Service Instructions 967 - 02.0 - 12/2015...
  • Page 31 105° on the scale ( p. 20). 3. Press the OK key to confirm the set position. 4. Press the Esc key to exit parameter settings mode. 5. Switch the machine on and off. Service Instructions 967 - 02.0 - 12/2015...
  • Page 32 Setting the drive Service Instructions 967 - 02.0 - 12/2015...

  • Page 33: Setting The Stitch Length Adjusting Wheels

    7.1 Setting the upper stitch length adjusting wheel WARNING Risk of injury! Crushing injuries from moving parts. Switch the machine off before you set the upper stitch length adjusting wheel. Proper setting Upper stitch length adjusting wheel to 0: Service Instructions 967 - 02.0 - 12/2015...
  • Page 34 If you turn the shaft too far, then parts on the stitch regulator gear could bend or get stuck. Turn the shaft carefully and stop as soon as you can feel slight resistance. 5. Carefully turn the shaft (5) clockwise using a 10 mm wrench. Service Instructions 967 - 02.0 - 12/2015...

  • Page 35: Setting The Lower Stitch Length Adjusting Wheel

    • The lower stitch length adjusting wheel can only be turned up to the stitch length set on the upper stitch length adjusting wheel. Cover • Tilt the machine head ( p. 10) Service Instructions 967 - 02.0 - 12/2015...
  • Page 36 If you turn the shaft too far, then parts on the stitch regulator gear could bend or get stuck. Turn the shaft carefully and stop as soon as you can feel slight resistance. Service Instructions 967 - 02.0 - 12/2015...

  • Page 37: Setting The Stitch Length Limit

    Proper setting Turn the upper stitch length adjusting wheel clockwise as far as it will go.  The upper stitch length adjusting wheel can only be turned up to the maximum stitch length set. Service Instructions 967 - 02.0 - 12/2015...
  • Page 38 7. Turn the scale such that the 0 is exactly next to the adjusting mark. 8. Fit the upper stitch length adjusting wheel (1) and hold it using a wrench. 9. Tighten the screw (2). Service Instructions 967 - 02.0 - 12/2015...

  • Page 39: Setting The Eccentric For The Forward And Backward Stitches

    If the forward and backward stitches are not the same length: • Turning clockwise: The forward stitch becomes larger, the backward stitch smaller. • Turning counterclockwise: The forward stitch becomes smaller, the backward stitch larger. 3. Tighten the setscrew (3). Service Instructions 967 - 02.0 - 12/2015...
  • Page 40 Setting the stitch length adjusting wheels Service Instructions 967 - 02.0 - 12/2015...

  • Page 41: 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 (2) lines up with the axle of the needle. Cover • Tilt the machine head ( p. 10). Service Instructions 967 - 02.0 - 12/2015...

  • Page 42: Moving The Feed Dog

    8.1.2 Moving the feed dog carrier The feed dog carrier is connected to the stitch regulator gear via the sliding shaft and can be moved on this shaft. Cover • Tilt the machine head ( p. 10) Service Instructions 967 - 02.0 - 12/2015...
  • Page 43 When doing this, make sure that the sliding shaft (5) is firmly held by the clamp (8) and the adjusting ring (7). 8. Tighten the setscrew of the adjusting ring (7) as well as the screw (6). Service Instructions 967 - 02.0 - 12/2015...

  • Page 44: Setting The Feed Dog Movement

    • Remove the upper right cover ( p. 11) Fig. 29: Setting the feed movement for the feed dog ① ③ ② (1) - Setscrews (3) - Stitch adjustment lever (2) - Pusher eccentric Service Instructions 967 - 02.0 - 12/2015...

  • Page 45: Setting The Feed Dog Height At Top Dead Center

    Place the feed dog in the uppermost position by turning the handwheel.  The upper edge of the feed dog protrudes 1.3 mm above the throat plate. Cover • Tilt the machine head ( p. 10). Service Instructions 967 - 02.0 - 12/2015...

  • Page 46: Setting The Stroke Movement

    (handwheel position 90°) as when it is at rear dead center (handwheel position 270°). At 90°, the feed dog is moving upwards, at 270°, it is moving downwards. Service Instructions 967 - 02.0 - 12/2015...
  • Page 47 4. Tighten the setscrews (1). 5. Check if the feed dog is at the same height at 90° and 270°; adjust if necessary. Service Instructions 967 - 02.0 - 12/2015...
  • Page 48 Setting the feed dog Service Instructions 967 - 02.0 - 12/2015...

  • Page 49: Aligning The Needle Bar Linkage

    90°:  Needle bar (4), sewing foot bar (5) and presser foot bar (6) are all in a line. Cover • Upper covers ( p. 11). • Front cover ( p. 12). Service Instructions 967 - 02.0 - 12/2015...
  • Page 50 7. Move the needle bar guide (7) laterally so that the needle bar (4), sewing foot bar (5) and presser foot bar (6) are all in a line. 8. Tighten screws (1), (2), (3), and (8). Service Instructions 967 - 02.0 - 12/2015...

  • Page 51: 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): Set the distance between the bars to the value L = 44 mm. 3. Tighten the screw (1) and check the axial play ( p. 18). Service Instructions 967 - 02.0 - 12/2015...
  • Page 52 Aligning the needle bar linkage Service Instructions 967 - 02.0 - 12/2015...

  • Page 53: Position Of The Hook And Needle

    (2) - Toothed belt Setting steps 1. Loosen the adjusting screw (3). 2. Turn the eccentric pin (1) with the tensioning pulley, and tension the toothed belt (2). 3. Tighten the adjusting screw (3). Service Instructions 967 - 02.0 - 12/2015...

  • Page 54: Adjusting The Dead Center Of The Reciprocating Movement Of The Drive

    (3) - Dead center Setting steps 1. Loosen the screws (2). 2. Turn the eccentric (1). 3. Tighten the screws (2). 4. Check if the dead center (3) is at 155°; adjust it again if necessary. Service Instructions 967 - 02.0 - 12/2015...

  • Page 55: Setting The Loop Stroke Position

    4. Loosen the screws (2). 5. Turn the tip of the hook (3) so that it is central to the axis of the needle. 6. Tighten the screws (2). 7. Tighten the screw (1). Service Instructions 967 - 02.0 - 12/2015...

  • Page 56: Setting The Hook Clearance

    1. Lock the machine in place at position 1. 2. Loosen the screws in the openings (4). 3. Move the hook cage (1) such that the distance of the hook tip (3) from the needle (2) is max. 0.1 mm. Service Instructions 967 - 02.0 - 12/2015...

  • Page 57: Adjusting The Loop Former

    (4) - Hook drive dog Setting steps 1. Unscrew the screws (1). 2. Take out loop former (3) and distance piece* (2). 3. Select the appropriate distance piece* (2) for the thickness of the needle used. Service Instructions 967 - 02.0 - 12/2015...

  • Page 58: Setting The Needle Bar Height

    Faults caused by an incorrect needle bar height • Damage to the hook tip • Jamming of the needle thread • Missing stitches • Thread breakage • Needle breakage Cover • Head cover ( p. 12) Service Instructions 967 - 02.0 - 12/2015...
  • Page 59 5. Tighten the screw (1) for the needle bar (2). 6. Remove the locking mechanism ( p. 19). 7. Check the height of the needle bar at maximum stitch length when sew- ing forwards and reverse, adjust it again if necessary. Service Instructions 967 - 02.0 - 12/2015...
  • Page 60 Position of the hook and needle Service Instructions 967 - 02.0 - 12/2015...

  • Page 61: Adjusting The Sewing Foot Feed

    ③ (1) - Connecting rod (6) - Screw (2) - Frame (7) - Ball-ended pin (3) - Pin (8) - Counternut (4) - Screw opening (9) - Stop screw (5) - Torsion spring Service Instructions 967 - 02.0 - 12/2015...

  • Page 62: Adjusting The Drive Dog For The Presser Foot Bar

    (11) - Opening for the needle shaft (4) - Shaft (12) - Slide nut (5) - Gully (13) - Lever (6) - Assembly (14) - Drive dog screw (7) - Plate (15) - Drive dog (8) - Presser foot Service Instructions 967 - 02.0 - 12/2015...

  • Page 63: Aligning The Feed Stroke Of The Feet

     The lever is attached to the lift bar of the feet by the screw (5) in such a way that the presser foot (1) is positioned 0.3 mm higher than the sewing foot (2). Service Instructions 967 - 02.0 - 12/2015...

  • Page 64: Setting The Stroke Movement For The Feeding Foot

    11.4 Setting the stroke movement for the feeding foot WARNING Risk of injury! Risk of crushing injuries and stab wounds from sharp and moving parts. Switch the machine off before you check and set the stroke movement for the feeding foot. Service Instructions 967 - 02.0 - 12/2015...
  • Page 65 • Arm cover ( p. 11). Abb. 45: Setting the point in time for when the feeding foot touches down ④ ③ ① ② (1) - Stroke eccentric (3) - Plates (2) - Setscrews (4) - Setscrew Service Instructions 967 - 02.0 - 12/2015...
  • Page 66 When doing so, do not move the stroke eccentric (1) laterally on the axle. 5. Tighten the setscrews (2). 6. Loosen the setscrew (4) far enough so that the plates (3) are, once again, in a line. Service Instructions 967 - 02.0 - 12/2015...

  • Page 67: Adjusting The Foot Stroke

    Setting steps 1. Put the handwheel into the 0° position ( p. 20). The presser foot rests on the throat plate. 2. Loosen the screw (2) and leave the hex key (5) inserted. Service Instructions 967 - 02.0 - 12/2015...

  • Page 68: Adjusting The Foot Stroke Generated By The Pneumatic Cylinder

    ( see Operating Instructions 967).  The presser foot (3) is lifted. 4. Turn the screw (2) until the height of the presser foot (3) is 30 mm above the throat plate. 5. Tighten the counternut (1). Service Instructions 967 - 02.0 - 12/2015...

  • Page 69: Adjusting The Thread System

    (4) - Sleeve Setting steps 1. Loosen the screw (1). 2. Turn the body (3). 3. Turn the sleeve (4) counterclockwise. 4. Restrain sleeve (4) and body (3) against turning, and tighten the screw (1). Service Instructions 967 - 02.0 - 12/2015...

  • Page 70: Setting The Winder

    When the winder has switched off and is locked at its home position:  The winder pulley (5) is located at a distance of L=14 mm from the internal diameter of the bobbin. Cover • Thread tensioning plate ( p. 13). Service Instructions 967 - 02.0 - 12/2015...
  • Page 71 8. Turn the winder lever (1) to the 0 position (winder switched off). 9. Loosen the screw (10). 10.Adjust the blocking lever (9) to the base of the recess in the blocking cam (8). Service Instructions 967 - 02.0 - 12/2015...
  • Page 72 The winder is switched off when the thread has been wound up to 0.5 to 1 mm below the outer diameter of the bobbin (4). Cover • Thread tensioning plate ( p. 13). Service Instructions 967 - 02.0 - 12/2015...
  • Page 73 9. Turn the winder shaft until the blocking lever (5) engages in the recess in the blocking cam (6).  At this position, the microswitch (7) must switch the motor off. If it fails to do so, correct the position of the microswitch. Service Instructions 967 - 02.0 - 12/2015...

  • Page 74: Setting The Hook Thread Guide

    Fig. 51: Adjusting thread tensioner and thread guide ahead of the winder ① ② ⑤ ④ ③ (1) - Setscrews (4) - Thread tensioning element (2) - Bobbin (5) - Screw (3) - Hook thread guide Service Instructions 967 - 02.0 - 12/2015...
  • Page 75 (4) such that it is central to the thread guide. 3. Tighten the screw (5). 4. If no satisfactory result is obtained in terms of point 2, incline the thread guide (3) using the setscrews (1). Service Instructions 967 - 02.0 - 12/2015...
  • Page 76 Adjusting the thread system Service Instructions 967 - 02.0 - 12/2015...

  • Page 77: Adjusting The Thread Cutter

    (3) - Control cam (7) - Pulley (4) - Screws Setting steps 1. Loosen the screw (1). 2. Adjust the lever (2) to a distance of 81.5 mm from the right edge of the arm (5). Service Instructions 967 - 02.0 - 12/2015...

  • Page 78: Basic Setting Of The Thread Cutter

     The piston of the pneumatic cylinder must be 0.5 to 1 mm from the base of the cylinder (it must not be touching it). Cover • Upper right cover ( p. 11). • Tilt the machine head ( p. 10). Service Instructions 967 - 02.0 - 12/2015...
  • Page 79 (6) until it contacts the base plate (5). 7. Tighten both screws of the stop lever (7). 8. Check the distance between the roller (1) and control cam (4), and adjust it if necessary. Service Instructions 967 - 02.0 - 12/2015...

  • Page 80: Adjusting The Position Of The Movable Knife

    (1) - Needle axis (5) - Screw (2) - Movable knife (6) - Lever of the knife (3) - Stop lever (7) - Marking on the knife (4) - Shaft (8) - Fixed knife blade Service Instructions 967 - 02.0 - 12/2015...

  • Page 81: Adjusting The Lateral Position Of The Movable Knife

    (4) - Bracket Setting steps 1. Loosen the screws (3). 2. Move the bracket (4) sideways so that the fixed knife (1) is parallel to the movable knife (2). 3. Tighten the screws (3). Service Instructions 967 - 02.0 - 12/2015...

  • Page 82: Adjusting The Cutting Pressure Of The Knife

    1. Put the handwheel into the 270° position ( p. 20). 2. Swing out the movable knife (2). 3. Adjust the cutting pressure using the regulating screw (1). 4. Check the knife for correct operation and adjust it if necessary. Service Instructions 967 - 02.0 - 12/2015...

  • Page 83: Setting The Hook Thread Clamp

    (4): - Loosen the screw (2). - Turn the eccentric (3) slightly clockwise. - Tighten the screw (2). Proceed in this way until a satisfactory result is obtained. Service Instructions 967 - 02.0 - 12/2015...
  • Page 84 Adjusting the thread cutter Service Instructions 967 - 02.0 - 12/2015...

  • Page 85: Soft Start

    Setting The setting can only be changed via the software DAC basic/classic ( see Service Instructions DAC basic/classic, setting the soft start). Fig. 58: Soft start ① (1) - OP1000 control panel Service Instructions 967 - 02.0 - 12/2015...
  • Page 86 Soft start Service Instructions 967 - 02.0 - 12/2015...

  • Page 87: Maintenance

    Cleaning steps 1. Drain the condensation ( see Operating Instructions). 2. Unscrew the water separator (2). 3. Unscrew the filter element (1). 4. Clean the filter element (1). 5. Clean the filter tray. Service Instructions 967 - 02.0 - 12/2015...
  • Page 88 Solvent-based cleaners damage the filter. Use only solvent-free substances for washing out the filter tray. 6. Screw in the filter element (1). 7. Screw in the water separator (2). 8. Screw in the drain screw (3). Service Instructions 967 - 02.0 - 12/2015...

  • Page 89: Lubricating The Needle Bar

    It can also be obtained from DÜRKOPP ADLER AG sales offices using the following part number: Part number Grease Gun (without grease) 9401 000038 Special Grease 50 g 9047 098004 Service Instructions 967 - 02.0 - 12/2015...
  • Page 90 4. Press a small amount of grease into the opening of the setscrew (3) to lubricate the upper part of the needle bar. 5. Screw the setscrew (3) back in. 6. Install the head cover. Service Instructions 967 - 02.0 - 12/2015...
  • Page 92 DÜRKOPP ADLER AG Potsdamer Straße 190 33719 Bielefeld GERMANY Phone +49 (0) 521 / 925-00 E-mail marketing@duerkopp-adler.com www.duerkopp-adler.com...

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