Dürkopp Adler 967 Service Instructions Manual
  1. Manuals
  2. Brands
  3. Dürkopp Adler Manuals
  4. Sewing Machine
  5. 967
  6. Service instructions manual

Dürkopp Adler 967 Service Instructions Manual

Hide thumbs Also See for 967:
Table of Contents

Advertisement

Quick Links

967
Service Instructions

Advertisement

Table of Contents
loading

Related Manuals for Dürkopp Adler 967

Summary of Contents for Dürkopp Adler 967

  • Page 1 Service Instructions...
  • Page 2 All rights reserved. Property of Dürkopp Adler AG and protected by copyright. All forms of reproduction, even as extracts, are prohibited unless prior written permission has been given by Dürkopp Adler AG. Copyright © Dürkopp Adler AG - 2014...

  • 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 Adjusting the feed dog movement ..........42 8.2.1 Adjusting the forwards movement ..........42 Service instructions 967 - 00.0 - 12/2014...
  • Page 4 Adjusting the lateral position of the movable knife...... 79 14.5 Adjusting the cutting pressure of the knife........80 14.6 Adjusting the hook thread clamp ..........81 Soft start ..................83 Maintenance ................85 16.1 Cleaning the filter element ............85 Service instructions 967 - 00.0 - 12/2014...

  • Page 5: About These Service Instructions

    About these service instructions 1 About these service instructions This manual for sewing machine 967 was compiled with the utmost care. It contains information and notes to enable the machine to give many years of reliable service. 1.1 Scope of these service instructions These instructions describe the setting and maintenance work on the 967 sewing machine.

  • Page 6: Other Documents

    The manufacturer cannot be held liable for damages resulting from: • Breakage and transport damages • Failure to observe operating manual • Improper use • Unauthorized modifications to the machine • Use of untrained personnel • Use of unapproved replacement parts Service instructions 967 - 00.0 - 12/2014...

  • Page 7: Safety

    They have to be disposed of correctly and in accordance with the applicable statutory provisions. Only qualified specialists may set up the machine. Anyone setting up the machine should read the operating manual first. Service instructions 967 - 00.0 - 12/2014...

  • Page 8: Signal Words And Symbols Used In Warnings

    Signal word Hazard DANGER Will result in serious injury or death. WARNING Can result in serious injury or death. CAUTION Can result in minor or moderate injury. ATTENTION Can result in damage to property. Service instructions 967 - 00.0 - 12/2014...
  • Page 9 Type and source of risk Consequences of non-observance Measures for avoiding the risk This is what a warning looks like for a hazard that could result in serious injury or even death if ignored. Service instructions 967 - 00.0 - 12/2014...
  • Page 10 Type and source of risk Consequences of non-observance Measures for avoiding the risk This is what a hazard note looks like for a hazard that can result in prop- erty damage if the note is not observed. Service instructions 967 - 00.0 - 12/2014...

  • 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 - 00.0 - 12/2014...

  • Page 12: Removing The Covers

    Figure 1: Tilting and erecting the machine upper section Tilting the upper machine section 1. Tilt the machine upper section as far as it will go. Erecting the machine upper section 1. Erecting the machine upper section Service instructions 967 - 00.0 - 12/2014...

  • Page 13: Removing And Fitting The Arm Cover

    3. Lift up the cover and release the power supply plug that is attached to the underside of the cover and which supplies the fan. 4. Raise the upper right cover (5) in the direction arrowed. Service instructions 967 - 00.0 - 12/2014...

  • Page 14: Removing And Fitting The Head Cover

    3.3.4 Removing and fitting the cover plate Figure 4: Removing the cover plate (1) - Cover plate (2) - Screws Removing the cover plate 1. Loosen the screws (2). 2. Remove the cover plate (1). Service instructions 967 - 00.0 - 12/2014...

  • Page 15: Removing And Installing The Handwheel And Drive Belt Cover

    4. Remove the drive belt cover (3). 3.3.6 Removing and installing the thread tension plate Figure 6: Removing the thread tension plate (1) -Upper right cover (2) - Thread tension plate securing screws (3) - Thread tension plate Service instructions 967 - 00.0 - 12/2014...

  • Page 16: Removing And Installing The Hook Compartment Cover

    2. Push the cover (1) up. 3. Applying moderate force, pull the cover (3) off upwards the (the cover is secured with a permanent magnet). 4. Loosen the screws (4). 5. Remove the plate (5). Service instructions 967 - 00.0 - 12/2014...

  • Page 17: Removing And Installing The Throat Plate

    Removing the throat plate 1. Remove the hook compartment cover ( page 14). 2. Use the hand lever to raise the foot. 3. Loosen the screws (2). 4. Remove the throat plate (1). Service instructions 967 - 00.0 - 12/2014...

  • Page 18: Removing And Installing The Feed Dog

    2. Installing the throat plate ( page 15) 3. Install the feed dog (3) so that the clearance from the throat plate is the same on both sides. 4. Tighten the screws (2). Service instructions 967 - 00.0 - 12/2014...

  • 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 - 00.0 - 12/2014...

  • 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 even 0. Service instructions 967 - 00.0 - 12/2014...

  • Page 21: Locking The Sewing Machine In Place

    • Large groove at handwheel position 200 - 205° 2. Insert the locking peg (2) with the appropriate end in the groove (1). Removing the lock 1. Pull the locking peg (2) out of the groove (1). Service instructions 967 - 00.0 - 12/2014...

  • Page 22: Putting The Handwheel Into Position

    Figure 13: Putting the handwheel into position (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 - 00.0 - 12/2014...

  • 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 the setscrews (1) on the arm shaft crank. Service instructions 967 - 00.0 - 12/2014...
  • Page 24 Positioning the arm shaft Service instructions 967 - 00.0 - 12/2014...

  • Page 25: Setting The Handwheel Scale

    6. Insert the hexagon wrench through the opening (3) into the set screw, and tighten it. 7. Removing the drive belt cover and handwheel ( page 13). 8. Tighten the screws (1). 9. Fit the ridged drive belt, drive belt cover and handwheel. Service instructions 967 - 00.0 - 12/2014...
  • Page 26 Setting the handwheel scale Service instructions 967 - 00.0 - 12/2014...

  • Page 27: Setting The Drive

    (4) - Belt tensioner clamping screws Setting steps 1. Undo the belt tensioner (3) clamping screws (4). 2. Rotate the tensioning roller (2) and belt tensioner (3). 3. Remove the ridged drive belt (1). Service instructions 967 - 00.0 - 12/2014...

  • 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. Adjust the difference in height between the faces of the drive pulley (2) and the driven pulley (1) so that it is 16 mm. 4. Tighten the screws (3). Service instructions 967 - 00.0 - 12/2014...

  • Page 29: Adjusting The Belt Tension

    3. Insert a hexagonal wrench into the hexagonal opening (2), tension the ridged drive belt (7) and tighten the screws (4). 4. Check the belt tension. 5. If necessary, correct the belt tension. Service instructions 967 - 00.0 - 12/2014...

  • Page 30: Adjusting The Positioning Of The Machine

    2. Manually turn the handwheel (2) at least 2 revolutions.  A new value for the drive ratio will appear on the control panel display. 3. Acknowledge the new value by pressing the OK button. Service instructions 967 - 00.0 - 12/2014...

  • Page 31: Adjusting The Reference Position Of The Handwheel

    105° on the scale ( page 20). 3. Acknowledge the set position by pressing the OK button. 4. To exit parameter setting mode, press the Esc key. 5. Switch the machine on and off. Service instructions 967 - 00.0 - 12/2014...
  • Page 32 Setting the drive Service instructions 967 - 00.0 - 12/2014...

  • 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 sewing machine off before you set the upper stitch length adjusting wheel. Service instructions 967 - 00.0 - 12/2014...
  • Page 34 If you turn the shaft too far, then parts on the stitch regulator gear could bend or become stuck. Turn the shaft carefully and stop as soon as you feel slight resistance. 5. Carefully turn the shaft (5) clockwise using a 10 mm wrench. Service instructions 967 - 00.0 - 12/2014...

  • 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 upper section ( page 10) Service instructions 967 - 00.0 - 12/2014...
  • Page 36 Turn the shaft carefully and stop as soon as you feel slight resistance. 6. Carefully turn shaft (5) clockwise with a 10 mm wrench until you can feel significant play on the frame for the stitch regulator gear. Service instructions 967 - 00.0 - 12/2014...

  • Page 37: Setting The Stitch Length Limit

    Correct 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 - 00.0 - 12/2014...
  • 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 key. 9. Tighten the screw (2). Service instructions 967 - 00.0 - 12/2014...

  • 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 anticlockwise: The forward stitch becomes smaller, the backward stitch larger. 3. Tighten the setscrew (3). Service instructions 967 - 00.0 - 12/2014...
  • Page 40 Setting the stitch length adjusting wheels Service instructions 967 - 00.0 - 12/2014...

  • Page 41: Setting The Feed Dog

    When the stitch length is set to 0 and the needle is at bottom dead center:  The center of the feed dog opening (2) is inline with the axis of the needle. Cover • Tilt the upper section ( page 10). Service instructions 967 - 00.0 - 12/2014...

  • 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 upper section ( page 10) Service instructions 967 - 00.0 - 12/2014...
  • Page 43 When doing this, make sure that the sliding shaft (5) is firmly held by the clamp (8) and adjustment ring (7). 8. Tighten the setscrew of the adjustment ring (7) and the screw (6). Service instructions 967 - 00.0 - 12/2014...

  • Page 44: Adjusting The Feed Dog Movement

    Cover • Take off the upper right cover ( page 11) Figure 29: Setting the forwards movement for the feed dog (1) - Setscrews (3) - Stitch adjustment lever (2) - Pusher eccentric Service instructions 967 - 00.0 - 12/2014...

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

     The upper edge of the feed dog protrudes 1.3 mm above the throat plate. Cover • Tilt the upper section ( page 10). Figure30: Setting the height of the feed dog (1) - Feed dog carrier (2) - Setscrew Service instructions 967 - 00.0 - 12/2014...

  • Page 46: Adjusting 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. Cover • Take off the upper right cover ( page 11) Service instructions 967 - 00.0 - 12/2014...
  • Page 47 4. Tighten the setscrews (1). 5. Check that the feed dog has the same height at 90° as it has at 270°; if necessary, adjust it. Service instructions 967 - 00.0 - 12/2014...
  • Page 48 Setting the feed dog Service instructions 967 - 00.0 - 12/2014...

  • Page 49: Aligning The Needle Bar Linkage

    When the stitch length is set to 0 and the value 90° is set on the handwheel scale:  Needle bar (4), sewing foot bar (5) and presser foot bar (6) are all in a line. Cover • Upper covers ( page 11). • Front cover ( page 12). Service instructions 967 - 00.0 - 12/2014...
  • 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 the screws (1), (2), (3), (8). Service instructions 967 - 00.0 - 12/2014...

  • Page 51: Aligning The Needle Bar Linkage In The Sewing Direction

    2. Turn the needle bar (2) so that 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 ( page 18). Service instructions 967 - 00.0 - 12/2014...
  • Page 52 Aligning the needle bar linkage Service instructions 967 - 00.0 - 12/2014...

  • Page 53: Position Of The Hook And Needle

    3. Tighten the adjusting screw (3). Note that a low tightening torque when turning the eccentric pin (1) can lead to a high tension of the toothed belt. 4. Check the belt tension and adjust it if necessary. Service instructions 967 - 00.0 - 12/2014...

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

    (3) - Dead point Setting steps 1. Loosen the screws (2). 2. Turn the eccentric (1). 3. Tighten the screws (2). 4. Check that the dead point (3) is at 155°, adjust it if again necessary. Service instructions 967 - 00.0 - 12/2014...

  • 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 - 00.0 - 12/2014...

  • Page 56: Setting The Hook Clearance

    (3) - Tip of the hook (7) - Screw (4) - Openings for the cage tightening screws Setting steps 1. Lock the machine in place at position 1. 2. Undo the screws in the openings (4). Service instructions 967 - 00.0 - 12/2014...

  • Page 57: Adjusting The Loop Former

    (1) - Screws (3) - Loop former (2) - Distance piece (4) - Hook drive dog Setting steps 1. Unscrew the screws (1). 2. Take out the loop former (3) and distance piece* (2). Service instructions 967 - 00.0 - 12/2014...

  • Page 58: Setting The Needle Bar Height

    Faults caused by an incorrect needle bar height • Damage to the tip of the hook • Jamming of the needle thread • Missing stitches • Thread breakage • Needle breakage Cover • Head cover ( page 12) Service instructions 967 - 00.0 - 12/2014...
  • Page 59 5. Tighten the screw (1) for the needle bar (2). 6. Release the locking mechanism ( page 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 - 00.0 - 12/2014...
  • Page 60 Position of the hook and needle Service instructions 967 - 00.0 - 12/2014...

  • Page 61: Adjusting The Sewing Foot Feed

    When the connecting rods (1) are in a line.  The ball-ended pin (7) is touching the stop screw (9).  The torsion spring is twisted 15° to 20°. Cover • Arm cover ( page 11) Service instructions 967 - 00.0 - 12/2014...
  • Page 62 (1) remain in a line. 5. Tighten the locknut (8). 6. Turn the torsion spring (5) with the pin (3) 15° to 20° in the direction of the arrow, and tighten the screw in the opening (4). Service instructions 967 - 00.0 - 12/2014...

  • Page 63: Adjusting The Drive Dog For The Presser Foot Bar

    9. Tighten the driving dog screw (14). 10.Refit the assembly (6). Make sure there is axial clearance of 0.2 to 0.3 mm between the slide nut (12) and the floor of the gully (5). Service instructions 967 - 00.0 - 12/2014...

  • Page 64: Aligning The Feed Stroke Of The Feet

    (2) is 0.3 mm lower than the presser foot (1). 6. Move both feet manually down to the stop. 7. Tighten the screw (5). Service instructions 967 - 00.0 - 12/2014...

  • Page 65: Setting The Stroke Movement For The Feeding Foot

    This will occur when the handwheel is in the 95° position. Figure 43: Stroke movement for the feeding foot and feed dog (1) - Feeding foot (3) - Needle tip (2) - Feed dog Cover • Arm cover ( page 11) Service instructions 967 - 00.0 - 12/2014...
  • Page 66 When doing this, do not move the stroke eccentric (1) laterally on the axle. 5. Tighten the setscrews (2). 6. Unscrew the setscrew (4) far enough so that the clips (3) are once again in a line. Service instructions 967 - 00.0 - 12/2014...

  • Page 67: Adjusting The Foot Stroke

    2. Undo the screw (2) and leave the wrench (5) in it. 3. Turn the lift lever (3) so that there is a clearance of 0.3 to 0.5 mm between the lift lever (3) and the driving dog (4). 4. Tighten the screw (2). Service instructions 967 - 00.0 - 12/2014...

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

    (3) must be lying against the throat plate. 2. Release the locknut (1). 3. Activate the pneumatic lifting of the foot ( see Operating Manual 967).  The presser foot (3) will be lifted. 4. Turn the screw (2) until the height of the presser foot (3) is 30 mm above the throat plate.

  • Page 69: Adjusting The Thread System

    Setting steps 1. Loosen the screw (1). 2. Turn the body (3). 3. Turn the sleeve (4) anticlockwise. 4. Restrain the sleeve (4) and body (3) against turning, and tighten the screw (1). Service instructions 967 - 00.0 - 12/2014...

  • Page 70: Setting The Winder

    When the winder has switched off and is locked in the 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 ( page 13). Service instructions 967 - 00.0 - 12/2014...
  • Page 71 8. Turn the winder lever (1) to the position 0 (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 - 00.0 - 12/2014...
  • 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 ( page 13). Service instructions 967 - 00.0 - 12/2014...
  • Page 73 9. Turn the winder shaft until the blocking lever (5) engages in the recess in the blocking cam (6).  In this position the microswitch (7) must switch the motor off. If it does not do this, correct the position of the microswitch. Service instructions 967 - 00.0 - 12/2014...

  • Page 74: Adjusting The Hook-Thread Guide

    • Upper right cover ( page 11). Figure 50: Adjusting the thread tensioner and guide ahead of the winder (1) - Setscrews (4) - Thread tensioning element (2) - Bobbin (5) - Screw (3) - Hook-thread guide Service instructions 967 - 00.0 - 12/2014...
  • Page 75 (4) so 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 - 00.0 - 12/2014...
  • Page 76 Adjusting the thread system Service instructions 967 - 00.0 - 12/2014...

  • Page 77: Adjusting The Thread Cut-Off

    2. Adjust the lever (2) to a distance of 81.5 mm from the right edge of the arm (5). 3. Tighten the screw (1). 4. Undo the screw (4) and set the handwheel to a scale position 120°. Service instructions 967 - 00.0 - 12/2014...

  • 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 ( page 11). • Tilt the upper section ( page 10). Service instructions 967 - 00.0 - 12/2014...
  • Page 79 8. Check the distance between the roller (1) and control cam (4), and adjust it if necessary. 9. Turn the piston (8) until it is just short of the stop (approx. 0.5 mm dis- tance). 10.Tighten the screws (9) for the lever (10). Service instructions 967 - 00.0 - 12/2014...

  • Page 80: Adjust The Position Of The Movable Knife

    3. Loosen the screw (5). 4. Move the lever of the movable knife (6) aside, so that the axis (tip) of the needle (1) is at the left edge of the gully of the movable knife (2). Service instructions 967 - 00.0 - 12/2014...

  • 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 - 00.0 - 12/2014...

  • Page 82: Adjusting The Cutting Pressure Of The Knife

    1. Put the handwheel into the 270° position  page 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 - 00.0 - 12/2014...

  • Page 83: Adjusting The Hook Thread Clamp

    (4): - Undo 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 - 00.0 - 12/2014...
  • Page 84 Adjusting the thread cut-off Service instructions 967 - 00.0 - 12/2014...

  • 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). Figure 57: Soft start (1) - OP1000 control panel Service instructions 967 - 00.0 - 12/2014...
  • Page 86 Soft start Service instructions 967 - 00.0 - 12/2014...

  • Page 87: Maintenance

    Solvent-based cleaning agents will damage the filter. Use only solvent-free materials 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 - 00.0 - 12/2014...
  • Page 88 Maintenance Service instructions 967 - 00.0 - 12/2014...
  • Page 90 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...

Table of Contents