Duerkopp Adler 670 Service Instructions Manual
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Duerkopp Adler 670 Service Instructions Manual

Duerkopp Adler 670 Service Instructions Manual

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670/680
Service Instructions

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Summary of Contents for Duerkopp Adler 670

  • Page 1 670/680 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 2017...

  • Page 3: Table Of Contents

    Setting the feed dog feed movement.......... 43 Setting the feed dog stroke movement ........44 Setting the feed dog height............45 Setting the compensating weight..........46 Setting the needle penetration in the feed direction ....47 Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 4 Setting the height stop for the stitch loosening unit ....90 18.5 Setting the drive ratio of the stitch loosening finger when raising the sewing foot: ........... 91 Setting the automatic material thickness detection....92 Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 5 Parts list ..................109 Decommissioning..............111 Disposal................... 113 Troubleshooting ..............115 24.1 Customer Service ..............115 24.2 Messages of the software............115 24.3 Errors in sewing process ............121 Technical data................. 123 Appendix ................. 125 Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 6 Table of contents Service Instructions 670/680 - 00.0 - 07/2017...

  • 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 com- ponents to be set. Service Instructions 670/680 - 00.0 - 07/2017...
  • 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 670/680 - 00.0 - 07/2017...

  • 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 670/680 - 00.0 - 07/2017...
  • Page 10 About these instructions Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 11: Safety

    • set up the machine • perform maintenance work and repairs • perform work on electrical equipment Only authorized persons may work on the machine and must first have understood these instructions. Service Instructions 670/680 - 00.0 - 07/2017...

  • 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 670/680 - 00.0 - 07/2017...
  • 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 670/680 - 00.0 - 07/2017...
  • Page 14 Type and source of danger! Consequences of non-compliance. Measures for avoiding the danger.  This is what a warning looks like for a hazard that could result in pro- perty damage if ignored. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 15: Working Basis

    3. Cut off any overlapping cable ties. NOTICE Property damage may occur! Excess cables can impair the functioning of moving machine parts. This impairs the sewing function and can result in damage. Lay excess cable as described above. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 16: Gages

    • Setting the needle bar linkage Setting gage (0868 290153) • Setting the post bed feed Setting gage (0808 290163) • Setting the post bed feed Setting gage (0868 290184) • Positioning the sliding shaft Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 17 • Setting transmission lever Setting gage (0868 290184) • Setting the needle bar linkage • Setting the post bed feed Auxiliary gage (0667 295050) • Setting the basic setting for mechanical stitch adjustment Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 18: Removing The Covers

    To access the components on the underside of the machine, swivel up the machine head. To tilt the machine head: 1. Tilt the machine head as far as it will go. Do NOT tilt the machine on the control panel. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 19: Removing The Arm Cover

    To remove the arm cover: 1. Loosen the screws (2). 2. Remove the arm cover (1). 3.4.3 Removing the head cover Abb. 2: Removing the head cover ① ② (1) - Head cover (2) - Screws Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 20: Removing The Valve Cover

    When removing and placing the valve cover, be sure not to pull off any cables. Abb. 3: Removing the valve cover ① ② (1) - Screws (2) - Valve cover To remove the valve cover: 1. Loosen the screws (1). 2. Remove the valve cover (2). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 21: Removing The Rear Cover

    Some shafts have flat surfaces at the points where the components are screwed on. This stabilizes the connection and makes setting easier. For all settings on the surface, the first screw is screwed in rotational direction onto the surface. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 22: Locking The Machine In Place

    • Setting the loop stroke and needle bar height • Position 2: Handwheel zero position • 3 mm end in the small arresting groove (2) • Setting the handwheel position and checking the top dead center for the needle bar Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 23 (1) or (2). Removing the lock To remove the lock: 1. Pull the locking peg (3) out of arresting groove (1) or (2). 2. Insert the plug into the locking opening (4). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 24: Setting The Handwheel Into Position

    For some settings, the graduated scale (1) on the handwheel has to be moved to a certain position. To set the handwheel into position: 1. Turn the handwheel until the specified number on the graduated scale (1) is next to the marking (2). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 25: Setting The Handwheel Scale

    3. Turn the handwheel so that the marking (2) points to the degree number 0° on the handwheel scale (3). 4. Tighten the fastening screw. 5. Turn the handwheel to 50° and tighten the 2nd the fastening screw. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 26: Positioning The Arm Shaft

    4. Push the arm shaft (3) to the right as far as it will go and flush with the machine casting. 5. Tighten the threaded pins (1). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 27: Positioning The Toothed Belt Wheels

    Abb. 11: Positioning the upper toothed belt wheel ① ⑤ ② ③ ④ (1) - Upper toothed belt wheel (4) - Toothed belt (2) - Threaded pins (5) - Flat of arm shaft (3) - Winder wheel Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 28: Positioning The Lower Toothed Belt Wheel

    The 2 threaded pins for the lower toothed belt wheel (3) are seated flush on the flat of the lower shaft. The toothed belt (1) runs correctly without running against the retaining ring (2) or slipping off. Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 29 4. Move the lower toothed belt wheel (3) sufficiently far to the side so that the toothed belt (1) makes contact with the retaining ring (2) without being pushed away. 5. Tighten the threaded pins (4). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 30: Stitch Length Adjusting Wheels

    Abb. 14: Setting the upper stitch length adjusting wheel (2) ⑥ ⑤ ③ ④ (3) - Upper stitch length adjusting wheel (5) - Shaft (4) - Screw (6) - Auxiliary gage (0667 295050) Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 31 6. Turn the scale of the upper stitch length adjusting wheel (3) to 0. 7. Place the upper stitch length adjusting wheel (3) again. 8. Tighten the screw (4). 9. Attach the spring (1) again. 10. Check the play of the lever (2). Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 32 1. Loosen the screw (2). 2. Turn the eccentric (4) through the hole (1) so that the open side (3) of the eccentric slot is in line with the screw (2). 3. Tighten the screw (2). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 33: Setting The Lower Stitch Length Adjusting Wheel

    4. Use a size 10 wrench to turn the shaft (5) clockwise as far as it will go. 5. Turn scale (2) to 0. 6. Place the lower stitch length adjusting wheel (3) again. 7. Tighten the screw (4). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 34: Setting The Stitch Length Limit

    7. Turn the scale so that the 0 is exactly next to the adjusting mark. 8. Fit the upper stitch length adjusting wheel (1) and hold it in place using a wrench. 9. Tighten the screw (2). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 35: Setting The Eccentric For The Forward And Backward Stitches

    5. As a test, sew a seam forward, stop, and sew a seam backward.  The punctures of the forward and backward stitches have to lie within one another. If the punctures for forward and backward stitches do not lie within one another, correct the setting. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 36: Setting The Feed Dog Bar

    ⑨ ⑩ ⑪ (7) - Gage (0868 290184) (10) - Bolt (8) - Screws (11) - Holder (9) - Feed dog bar 5. Screw the holder (11) onto the feed dog bar (9). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 37: Setting The Initial Position Of The Feed Gear

    (1) - Spring (6) - Adjusting frame (2) - Bearing bolt (7) - Adjusting ring (3) - Shaft (8) - Shaft (4) - Block (9) - Block (5) - Screws (10) - Screw Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 38 7. Turn the adjusting frame (6) so that the plates are parallel. 8. Tighten the clamping screws on the blocks (4) and (9). 9. Attach the spring (1) again. Information The shaft (8) is fixed in the adjusting frame (6) with the screws (5). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 39: Needle Bar Linkage

    2. Remove the head cover ( p. 17). 3. Loosen the screws on the adjusting rings (1) and (2). 4. Disassemble the spring guide (3) and socket (4). 5. Disassemble the feeding foot bar (5). Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 40 9. Disassemble the gage (6). 10. Re-assemble the spring guide (3), feeding foot bar (5) and socket (1). Order Then check the following setting: • Distance between the hook tip and needle ( p. 51) Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 41: Setting Transmission Lever

    5. Loosen the clamping screw (1) on the lever (2). 6. Position the needle bar linkage with the gage (6). 7. Tighten the clamping screw (1). 8. Tighten the thrust bolts on the lever (5). 9. Disassemble the gages (6) and (4). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 42: Setting The Thread Lever

    1. Loosen the screws (1). 2. Align the thread lever sideways so that the play of the pull rod (2) on the crosshead is the same at positions A and B. 3. Tighten the threaded pins (1). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 43: Post Bed Feed

    To align the post bed feed: 1. Tilt the machine head ( p. 16). 2. Position the upper stitch length adjusting wheel to 0. 3. Position the needle bar linkage with the gage (1). Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 44 10. Slide the feed dog lever (8) up as far as it will go. 11. Align the post bed feed (13) to the needle and the gage (11). 12. Tighten the screws (9). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 45: Setting The Feed Dog Feed Movement

    2. Loosen the screws on the pusher eccentric (1). 3. Set the pusher eccentric (1). 4. Tighten the screws on the pusher eccentric (1). 5. Move the stitch adjustment lever and check the feed dog movement. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 46: Setting The Feed Dog Stroke Movement

    2. Loosen the screws on the stroke eccentric (1). 3. Turn the stroke eccentric (1). 4. Tighten the screws on the stroke eccentric (1). 5. Turn the handwheel and check the feed dog movement. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 47: Setting The Feed Dog Height

    3. Loosen the screws on the lever (2). 4. Turn the lever (1) so that the feed dog (1) protrudes 0.8 mm over the throat plate. 5. Tighten the screws on the lever (2). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 48: Setting The Compensating Weight

    2. Loosen the screws on the compensating weight (1). 3. Turn the compensating weight (1). 4. Insert the hex key (2) and check that it is parallel to the base plate (3). 5. Tighten the screws on the compensating weight (1). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 49: Setting The Needle Penetration In The Feed Direction

    3. Turn the handwheel and lower the needle bar. 4. Check the position of the needle in the needle hole. 5. If the needle does not penetrate the center of the needle hole, re-align the post bed feed ( p. 41). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 50: Position Of The Hook And Needle

    The hook height must be reset after changing the hook shaft. Abb. 34: Setting the hook height ① ⑤ ④ ② ③ (1) - Hook (4) - Adjusting washers (2) - Screw (5) - Oil thrower washer (3) - Retaining ring Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 51: Setting The Loop Stroke

    4. Loosen the screws on the clamping ring (3). 5. Turn the hook so that the hook tip (2) is at the center of the needle (1). 6. Tighten the screws on the clamping ring (3). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 52: Setting The Needle Bar Height

    When doing so, make sure that you do not turn the needle. The groove (3) of the needle must face towards the hook tip (4). 5. Tighten the screw (2). Order Then check the following setting: • Needle guard ( p. 52) Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 53: Setting The Hook Side Clearance

    4. Loosen the screws (3). 5. Loosen the screws (1). 6. Move the hook housing sideways. 7. Set the loop stroke ( p. 49). 8. Tighten the screws (1). 9. Tighten the screws (3). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 54: Setting The Needle Guard

    2. Turn the screw (2) so that the needle guard (1) pushes the needle just so far that the hook tip cannot touch it. • To push away more forcefully: turn counterclockwise • To push away less forcefully: turn clockwise Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 55: Setting The Bobbin Case Lifter

    3. Loosen the screw (4). 4. Set the bobbin case lifter (2) so that the bobbin case nose (1) is positioned in the center of the throat plate cutout. 5. Tighten the screw (4). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 56: Setting The Timing For Opening

    1. Disassemble the hook cover. 2. Loosen the screw through the screw hole (3). 3. Move the handwheel into position. • Class 670: 305° • Class 680: 205° 4. Tighten the screw through the screw hole (3). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 57: Sewing Feet

    The left adjusting wheel determines the normal sewing foot stroke. The right adjusting wheel determines the increased sewing foot stroke. The increased sewing foot stroke must NOT be lower than the normal se- wing foot stroke. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 58: Setting The Initial Position Of The Lifting Gear

    2. Turn the screw (4) so far that the cam (5) is free. 3. Loosen the screws (3). 4. Position the plates (1) so that they are parallel. 5. Tighten the screws (3). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 59: Setting An Even Sewing Foot Stroke

    7. Turn the adjusting wheel for the sewing foot stroke to 3. 8. Check whether the presser foot (1) and the feeding foot (2) are raised to the same height and correct the setting if necessary. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 60: Setting The Stroke Movement For The Feeding Foot

    This occurs at handwheel position 95°. Abb. 45: Setting the stroke movement for the feeding foot (2) ④ ① ⑤ (1) - Feeding foot (5) - Screws (4) - Presser foot Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 61: Setting The Sewing Foot Pressure

    (1) - Adjusting wheel for the sewing foot pressure To set the sewing foot pressure: 1. Turn the adjusting wheel for the sewing foot pressure (1): • Higher pressure: turn clockwise • Lower pressure: turn counterclockwise Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 62: Setting The Sewing Foot Lifting Height

    12.5.1 Setting the mechanical sewing foot lifting Abb. 47: Setting the mechanical sewing foot lifting (1) ③ ① ① ② (1) - Lifter lever (3) - Lifter shaft (2) - Spring guide Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 63 Make sure that the shaft can still run easily. Setting the lifter shaft play 8. Loosen the screws on the lifter block (4). 9. Move the lifter shaft (3) until play exists. 10. Tighten the screws on the lifter block (4). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 64: Setting The Sewing Foot Lifting Height

    4. Loosen the screws on the lifting lever (3). 5. Push the hand lever (1) down. 6. Push the lifting lever (3) onto the eccentric washer (2). 7. Tighten the screws on the lifting lever (3). Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 65 3. Raise the sewing feet pneumatically and measure the lifting height. 4. Loosen the counternut (2). 5. Turn the screw (1). • Increase the lifting pressure: turn counterclockwise • Reduce the lifting pressure: turn clockwise 6. Tighten the counternut (2). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 66: Setting The Needle Thread Tension

    The thread tension spring does not contact the stop until the needle eye has plunged into the sewing material. The setting for the thread tension spring must be varied according to the sewing material and the required sewing result. Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 67 3. Turn the tension disk (2) to set the spring tension. • Greater spring tension: turn counterclockwise • Lower spring tension: turn clockwise Important Do not twist the stop collar in doing so. 4. Tighten the screw (3). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 68: Winder

    The winding process will stop automatically when the required filling quantity of the bobbin is reached. To set the winder filling quantity: 1. Remove the arm cover ( p. 17). 2. Loosen the screws (1). 3. Remove the winder. Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 69 4. Set the block (8) such that it is resting against the locking disk (9). 5. Set the block (8) such that its distance to the winder wheel (10) is 0.5 mm. 6. Tighten the threaded pin in the block (8). Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 70 (8) has engaged in the locking disk. 3. Set the switch cam (13) such that the winder lever (3) has no axial play. 4. Tighten the threaded pin (12). 5. Re-assemble the winder. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 71: Setting The Hook Thread Guide

    2. Turn the hook thread guide (2): • To the front: The hook thread will be wound on further to the front • To the rear: The hook thread will be wound on further to the rear Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 72: Thread Cutter

    To avoid a collision, the lever (6) must be fitted with its short side on the lever (7). The control cam (8) is designed for operating with the XL hook and the XXL hook. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 73: Setting The Height Of The Thread-Pulling Knife

     The distance between the thread-pulling knife (1) and the bobbin (6) must not exceed 0.1 mm. 3. Tighten the screws on the knife carrier (2). In doing so, ensure that the screw (4) is flush with the surface of the shaft (5). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 74: Setting The Cutoff Curve

    7. Set the distance between the roller (7) and control cam (3) at the highest point of the control cam (3) to 0.1 mm. 8. Tighten the threaded pins on the control cam (3). 9. Loosen the clamping screw on the lever (1). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 75: Setting The Swivel Range Of The Thread-Pulling Knife

    2. Turn the eccentric bolt (3). 3. Tighten screws (1) and (2). 4. Check the swivel range and readjust it if necessary. Important 5. Reset the park position of the thread-pulling knife ( p. 72). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 76: Setting The Cutting Pressure

    In the rest position, the hook thread clamp (10) makes contact with the thread-pulling knife (1) without any pressure being applied. Any 2 threads with the greatest strength used for sewing can be neatly cut simultaneously. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 77: Setting The Hook Thread Clamp

    3. Loosen the screw (3). 4. Move the hook thread clamp (2) so that it abuts on the thread-pulling knife (1). 5. Tighten the screw (3). 6. Check the clamping effect and readjust it if necessary. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 78: Setting Point In Time For Cutting

    7. Check setting: • Insert the thread into the thread-pulling knife (1) and slowly turn the handwheel. • Check the handwheel position at which the thread is cut. • Readjust the setting if necessary. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 79: Setting The Potentiometer

    5. Calling the technician level using the Plus/Minus buttons (3): As the case may be, press the Plus or Minus button below the letter or the number until the display indicates t 10 04. 6. Press the OK button. Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 80 11. Tighten the threaded pin (10) without the value in the display changing. 12. Press the ESC button twice. Important 13. Switch off the machine. 14. Switch on the machine.  Switching off and on will save the setting. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 81: Edge Cutter (Only 680)

    When the edge cutter is deactivated, the clevis pulls out the bolt (3) and the lever (6) is moved into a different position. The torsion spring pulls the pull rod downwards and the cutter upwards via the lever (4). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 82: Assembling And Setting The Blade

    2. Fix the counter blade (2) in place using screws (1). 17.1.2 Assembling and setting the movable blade Abb. 68: Assembling and setting the movable blade (1) ① ③ ② (1) - Screw (3) - Movable blade (2) - Threaded pin Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 83 11. Turn the screw (5) so that the movable blade (3) abuts on the counter blade with as little pressure as possible.  The movable blade (3) fits exactly into the throat plate cutout. 12. Tighten the screw (4). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 84: Setting The Cutting Pressure And Blade Position

     When the movable blade (4) is at the bottom dead center, there is a gap of 0.5-1 mm between the front edge of the blade and the throat plate. 3. Tighten the screws (1). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 85: Setting The Timing Of The Blade Stroke Movement

    2. Turn the handwheel until the needle is at the top dead center and the blade is at the bottom dead center.  The 1st screw in rotational direction (2) on the eccentric (1) is up. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 86: Setting The Stroke Height Of The Blade

    4. Insert the bolt (2) together with the transmission rod into the hole (4). • Outside hole: stroke height of the blade 10 mm • Inside hole: stroke height of the blade 20 mm 5. Tighten the threaded pin (3) in the hole (4). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 87: Stitch Loosening Unit

    The lever (4) moves the stitch loosening unit. When the stitch loosening unit is deactivated, the pneumatic cylinder (6) is extended. The probe (5) lifts off from the control cam (1) and no movement is transmitted. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 88: Setting The Swivel Movement Timing

    1. Remove the rear cover ( p. 19). 2. Move the handwheel into the 180° position.  The needle is at the bottom dead center. The 1st screw in rotational direction (1) on the control cam is up. Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 89  The stitch loosening finger (4) is positioned over the center of the needle hole (2). The stitch loosening finger (4) is exactly in line with the notch (3) in the sewing foot. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 90: Setting The Position Of The Swivel Movement

    1. Remove the rear cover ( p. 19). 2. Loosen the screw (1). 3. Turn the vertical shaft (2) slightly. 4. Tighten the screw (1). 5. Test the swivel movement and readjust it if necessary. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 91: Setting The Height Of The Stitch Loosening Finger

    2. Move the threaded pin (1) into the long hole. • Greater looseness of the seam: push the threaded pin (1) upwards • Less looseness of the seam: Push the threaded pin (1) downwards 3. Tighten the nut and threaded pin (1). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 92: Setting The Height Stop For The Stitch Loosening Unit

    • To set the scanner (2) and stitch loosening finger (3) lower: Unscrew the threaded pin (1) • To set the scanner (2) and stitch loosening finger higher: Screw in the threaded pin (1) Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 93: Setting The Drive Ratio Of The Stitch Loosening Finger When Raising The Sewing Foot

    2. Move the screw (1) into the long hole. • More stroke: move the screw (1) downwards • Less stroke: move the screw (1) upwards 3. Tighten the screw (1). 4. Check the drive ratio and readjust it if necessary. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 94: Setting The Automatic Material Thickness Detection

    (2) - Magnetic strips The sensor (1) is located at a distance of 0.5 mm exactly above the magnetic strip (2). To set the automatic material thickness detection: 1. Remove the head cover ( p. 17). Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 95 • Increase the distance: Screw in the threaded pins (6). • Reduce the distance: Loosen the threaded pins (6). Abb. 82: Setting the automatic material thickness detection (3) ① 0.5 mm ② (1) - Magnet (2) - Magnetic strips Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 96 5. Move the sewing foot right up to the top with the hand lever  The LED (4) lights up green. The LED (3) does not light up. 6. If the LED (3) lights up red, correct the setting. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 97: Programming

    (1) - Power LED (5) - Seam program button group (2) - Thread button group (6) - LED for 2nd Stitch length (3) - Function button (7) - Display (4) - Programming button group Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 98 Soft start • Activates or deactivates the soft start Speed • Reduces the motor speed Function button • Activates or deactivates any stored function Programming button group • Ends parameter mode Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 99 • 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 670/680 - 00.0 - 07/2017...
  • Page 100 • 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 670/680 - 00.0 - 07/2017...
  • Page 101 • Only stitch loosening active: mode 0, LED is not lit • 2nd stitch length plus stitch loosening active: mode 1, LED is lit • 2nd stitch length and 2nd stroke height plus stitch loosening active: mode 2, LED flashes Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 102 Programming Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 103: Maintenance

    Maintenance intervals Work to be carried out Operating hours  Removing lint and thread remnants  Checking the oil  Servicing the pneumatic system  Lubricating the edge cutter bolt Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 104: Cleaning

    If very fluffy material is being sewn the machine must be cleaned more frequently. A clean machine provides protection from faults during the sewing process. Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 105 • Underside of throat plate • Area around the hook (2) • Area around the needle • Underside of sewing table (1) Also remove any lint and thread remnants from the oil pan. Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 106: 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 670/680 - 00.0 - 07/2017...
  • Page 107 If the oil level is too low, the inspection glass of the oil reservoir lights up red. To top off the oil: 1. Fill oil through the oil filler opening (1) up to the MAX marking (2). Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 108: 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 670/680 - 00.0 - 07/2017...

  • Page 109: 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 670/680 - 00.0 - 07/2017...

  • Page 110: 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 670/680 - 00.0 - 07/2017...

  • Page 111: Lubricating Movable Bolt On The Edge Cutter Device

    2. Use a brush to apply grease to the movable bolt (1). 3. Place the rear cover. 21.5 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 670/680 - 00.0 - 07/2017...
  • Page 112 Maintenance Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 113: 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 670/680 - 00.0 - 07/2017...
  • Page 114 Decommissioning Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 115: 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 670/680 - 00.0 - 07/2017...
  • Page 116 Disposal Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 117: Troubleshooting

    • Replace sewing motor 1004 Sewing motor error: Incorrect • Replace the encoder sewing motor direction of rotation • Check plug assignment and change, if necessary • Test motor phases and check for correct value Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 118 • Check LEDs on DAC extension • Perform a software update 2021 Sewing motor encoder plug • Connect encoder cable to DAC (Sub-D, 9-pin) not connected to extension box using the correct DAC extension box connection Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 119 • Do not press the pedal when switching on the control 3105 U24 V short circuit • Disconnect 37-pin plug; if error persists, replace control • Test inputs/outputs for 24 V short circuit Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 120 (internal data structures are not • Switch off the control, wait until the compatible with the external data LEDs are off and then switch on storage device) the machine again • Perform a software update Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 121 7803 Communication error (DAC classic • Restart the control only; only the functions of the DAC • Perform a software update basic will remain available) • Replace the control Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 122 • Perform a machine ID reset • Replace the control 8406 Checksum error • Perform a software update • Replace the control 8501 Software protection • The DA tool must always be used for software updates Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 123: 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 670/680 - 00.0 - 07/2017...
  • Page 124 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 670/680 - 00.0 - 07/2017...

  • Page 125: Technical Data

    80/3 - 10/3 Stitch length [mm] 1-12 mm Speed maximum 1500 [min Speed on delivery 1500 [min Mains voltage Mains frequency [Hz] 50/60 Operating pressure [bar] Length [mm] Width [mm] Height [mm] Weight [kg] Service Instructions 670/680 - 00.0 - 07/2017...
  • Page 126 • Oil reservoir with inspection glass on the machine head • 6 function buttons on the machine arm and one favorite button that can be assigned one of the functions • Integrated sewing lamp • Driven edge cutter Service Instructions 670/680 - 00.0 - 07/2017...

  • Page 127: Appendix

    Appendix 26 Appendix Wiring diagram Serviceanleitung 670/680 - 00.0 - 07/2017...
  • Page 128 Appendix Serviceanleitung 670/680 - 00.0 - 07/2017...
  • Page 129 Appendix Serviceanleitung 670/680 - 00.0 - 07/2017...
  • Page 130 Appendix Serviceanleitung 670/680 - 00.0 - 07/2017...
  • Page 132 DÜRKOPP ADLER AG Potsdamer Straße 190 33719 Bielefeld GERMANY Phone +49 (0) 521 / 925-00 E-mail service@duerkopp-adler.com www.duerkopp-adler.com...

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