Duerkopp Adler 669 Instruction Manual
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Duerkopp Adler 669 Instruction Manual

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Download this manual See also: Operating Instructions, Instruction Manual
Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld
Telefon +49 (0) 521 / 9 25-00 • Telefax +49 (0) 521 / 9 25 24 35 • www.duerkopp-adler.com
Ausgabe / Edition:
Änderungsindex
12/2008
Rev. index: 00.0
Spezialnähmaschine
Printed in Federal Republic of Germany
669
Betriebsanleitung

Instruction manual

Teile-Nr./Part.-No.:
0791 669741
D
GB

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  • Page 1: Instruction Manual

    Spezialnähmaschine Betriebsanleitung Instruction manual Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld Telefon +49 (0) 521 / 9 25-00 • Telefax +49 (0) 521 / 9 25 24 35 • www.duerkopp-adler.com Ausgabe / Edition: Änderungsindex Teile-Nr./Part.-No.: 12/2008 Rev.
  • Page 2 Alle Rechte vorbehalten. Eigentum der Dürkopp Adler AG und urheberrechtlich geschützt. Jede, auch auszugsweise Wiederverwendung dieser Inhalte ist ohne vorheriges schriftliches Einverständnis der Dürkopp Adler AG verboten. All rights reserved. Property of Dürkopp Adler AG and copyrighted. Reproduction or publication of the content in any manner, even in extracts, without prior written permission of Dürkopp Adler AG, is prohibited.
  • Page 3 Foreword This instruction manual is intended to help the user to become familiar with the machine and take advantage of its application possibilities in accordance with the recommendations. The instruction manual contains important information on how to operate the machine securely, properly and economically. Observation of the instructions eliminates danger, reduces costs for repair and down-times, and increases the reliability and life of the machine.

  • Page 4: General Safety Instructions

    General safety instructions The non-observance of the following safety instructions can cause bodily injuries or damages to the machine. 1. The machine must only be commissioned in full knowledge of the instruction book and operated by persons with appropriate training. 2.

  • Page 5: Table Of Contents

    Contents Page: Preface and General Safety Instructions Part 1: Operating instructions Class 669 (Edition 12/2008) Product Description ..........Designated Use .
  • Page 6 Contents Page: Sewing Sewing with machines using the FIR clutch positioning drive ....Sewing with machines using the Efka DC1550/DA321G positioning drive ... . . Tilting Back the Machine Head.

  • Page 7: Product Description

    Product Description The DÜRKOPP ADLER 669 is a single-needle double lockstitch free-arm sewing machine featuring a lower feed, a needle feed and an alternating foot-upper feed. Depending on the subclass, it can also come with a thread trimmer, second stitch length and automatic bartacking. The maximum stitch length is either 6 mm or 9 mm, depending on the sewing equipment.

  • Page 8: Subclasses

    This sewing machine may be set up and operated only in dry, well-maintained premises. If the sewing machine is used in other premises which are not dry and well-maintained it may be necessary to take further precautions which should be agreed in advance (see EN 60204-31: 1999).

  • Page 9: Optional Equipment

    Optional Equipment The following additional equipment is available for the 669. Order no. Optional equipment Subclasses 9780 000108 WE-8 maintenance unit for additional pneumatic equipment 0797 003031 Pneumatic connection package. For connection of stand with maintenance unit. 0867 490010 Operating panel angle bracket 9822 510001 Halogen sewing light for the sewing machine head 9880 867100...

  • Page 10: Technical Data

    Further available documents concerning the class 669: 0791 669801 Parts List 0791 669641 Service Instructions Technical Data Noise level: Workplace-related emission value according to DIN 45635-48-A-1-KL-2: 669-180010 LC = —dB (A) Stitch length: _ mm Sewing foot stroke: ___ mm Number of stitches: ____ min Sewing material: 669-180112...

  • Page 11: Technical Data Subclasses

    Technical data subclasses Subclasses Type of stitch Lockstitch 301 Hook type horizontal, large Number of needles Needle system 134-35 Needle thickness, max. (according to E no.) [Nm] Max. sewing thread thickness: Needle thread [Nm] 80/3 - 15/3 Bobbin thread [Nm] 80/3 - 20/3 Stitch length [mm]...

  • Page 12: Operation

    Operation Threading the needle thread Caution: danger of injury ! Turn the main switch off ! The needle should be threaded only when the machine is turned off. Threading the needle thread – Put the reel on the reel stand. Guide the needle thread through the unwind holder.

  • Page 13: Adjusting The Needle Thread Tension

    Adjusting the needle thread tension Pre-tensioner When the main thread tensioner 2 and the supplementary tensioner 3 are open, there must still be a slight tension remaining on the needle thread. This residual tension is created by the pre-tensioner 1. The pre-tensioner 1 influences both the length of the cut needle thread and the starter thread for the next seam.

  • Page 14: Function Of The Main Thread Tension And The Supplementary Thread Tension In Relation To The Sewing-Foot Lift For Subclass 669-180312

    Fig. A: Correct thread interlacing in the center of the material Fig. B: Needle-thread tension too weak Hook-thread tension too strong Fig. C: Needle-thread tension too strong Hook-thread tension too weak 6.2.1 The influence of the sewing-foot lift on the main thread tensioner and supplementary thread tensioner, for subclass 669-180312 Button 1 (see Chapter 6.15) on the machine’s row of buttons can be used to activate or deactivate the supplementary thread tension at any...

  • Page 15: Function Of The Supplementary Thread Tension In Relation To The Stroke Adjustment And The Speedomat For Subclass 669-180312

    6.2.2 The influence of the stroke adjustment on the supplementary thread tensioner and the Speedomat, for subclass 669-180312 Button 1 (see Chapter 6.14) on the machine’s row of buttons can be used to activate or deactivate the supplementary thread tension at any time.

  • Page 16: Adjusting The Needle Thread Tension

    Opening the needle thread tension Subclasses 669-180010 When raising the sewing feet by means of the knee lever, the main and supplementary tensioners are automatically opened. Subclasses 669-180112, 669-180312 The needle-thread tensioner is automatically opened when the thread is cut. Turning the supplementary thread tension on and off for subclasses 669-180010 and 669-180112 The supplementary thread tension is turned on and off using the...

  • Page 17: Adjusting The Thread Regulator

    Adjusting the thread regulator Caution: danger of injury ! Turn the main switch off. Set the thread regulator only with the sewing machine turned off. The thread regulator 1 is used to control the quantity of the needle thread required by the stitch formation. The best sewing results can only be ensured when using a precisely adjusted thread regulator.

  • Page 18: Winding The Bobbin Thread

    Winding the bobbin thread – Put the reel on the reel stand. Guide the bobbin thread through the unwind holder. – Pull the thread through guide 5, the tensioner 4, and the guide 3. – Clamp the thread behind the blade 6 and tear off. –...

  • Page 19: Replacing The Shuttle Bobbin

    Replacing the shuttle bobbin Caution: danger of injury ! Turn the main switch off. Change the shuttle bobbin only when the sewing machine is switched off. Taking off the empty bobbin – Raise the needle bar into its high position. –...

  • Page 20: Pre-Setting The Shuttle Thread Tension

    Pre-setting the hook thread tension Caution: danger of injury ! Turn the main switch off. Only adjust the hook thread tension when the machine is turned off. Brake spring The brake spring 1 is responsible for preventing a bobbin overrun during a machine stop and when the hook thread is being cut.

  • Page 21: Inserting And Replacing The Needle

    Inserting and replacing the needle Caution: danger of injury ! Turn the main switch off. Change the needle only when the sewing machine is switched off. – Turn the handwheel until the needle bar 1 has reached its highest position. –...

  • Page 22: Raising The Sewing Feet

    6.10 Raising the sewing feet Subclass 669-180010 The sewing feet can be lifted mechanically by pressing the knee lever 1. Subclasses 669-180112, 669-180312 The sewing feet can be lifted electro-pneumatically by pressing the pedal 2 or the knee lever 1. Raising the sewing feet mechanically (with the knee lever) –...

  • Page 23: Setting The Sewing Feet In The High Position

    6.11 Setting the sewing feet in the high position – Swivel lever 1 downwards. Set the sewing feet in the high position. – Swivel lever 1 upwards. The sewing feet are released. – The sewing feet are raised pneumatically or with the knee lever. The lever 1 swivels back to its starting position.

  • Page 24: Sewing Foot Stroke

    6.13 Sewing-foot stroke The class 669 sewing machine comes (depending on the subclass) standard equipped with two dials for adjusting the sewing-foot stroke. Use the dial 2 on the left to select the standard sewing-foot stroke from 1 to 9. Use the dial 1 on the right to set a higher sewing-foot stroke from 1 to –...
  • Page 25 Operating mode for the rapid stroke adjustment The activation time for the maximum sewing-foot stroke depends on which operating mode is set. You can select between three different operating modes. The particular modes are specified on the operating panel by setting the parameters F-138 and F-184 (refer to the instructions from the motor manufacturer).

  • Page 26: Adjusting The Stitch Length

    6.14 Adjusting the stitch length The class 669 sewing machine is equipped with two dials, depending on the subclass. This allows two different stitches to be used when sewing. They can be selected using button 4 (see Chapter 6.15). The stitch lengths are set using the two dials 1 and 2 found on the machine arm.

  • Page 27: Key Pad On The Machine Arm

    6.15 Key pad on the machine arm Function Supplementary tread tension Button is back-lit: the supplementary thread tension is activated. Button is not back-lit: the supplementary thread tension is not activated. 2. Stitch length Button is back-lit: long stitch length (upper dial) is activated Button is not back-lit: small stitch length (lower dial) is activated...

  • Page 28: Sewing

    Function LED display “Power On” The key 7 can be assigned a function using the screw 6 found under the switch. – Select a function. For example: 6 = sew backwards manually – Then press in the screw under key 5 and turn 90° to the right (the slot is then vertical).

  • Page 29: Sewing With Machines Using The Efka Dc1550/Da321G Positioning Drive

    Sewing with machines using the Efka DC1550/DA321G positioning drive The DA321G control unit contains all required operational interfaces for switching functions and setting parameters. It is possible to operate without an operating panel, but the seam programming can no longer be carried out. The V810 and V820 operating panels can also be connected to the control unit.
  • Page 30 Sewing process Operation / Explanation Before start of sewing - Pedal is in the resting position. The sewing machine is at rest. The needle is up. Starting position The sewing feet are down. Position material at seam start - Move pedal back halfway. Raise the sewing feet.
  • Page 31 Sewing over transverse seams The maximum sewing-foot stroke is activated. (maximum sewing-foot stroke) The speed is limited to 1600 min-1. Operating modes for maximum sewing-foot stroke: - Briefly press the knee switch for activating the maximum sewing-foot stroke. - Briefly press the knee switch again for deactivating the maximum sewing-foot stroke.

  • Page 32: Tilting Back The Machine Head

    Tilting Back the Machine Head Caution – Risk of injury from crushing ! Do not reach between the base and the machine arm while you are tilting back the machine head. Tilting back the machine head – Press lever 1 upwards. The locking mechanism is then released.

  • Page 33: Folding Down The Mg 56-2 Stand

    Folding down the MG 56-2 stand Caution: danger of injury ! Always hold the table plate with both hands when pulling out. – Loosen the table plate latch 1 located under the table plate. – Pull out the table plate 2 to the left and fold out. –...

  • Page 34: Maintenance

    10. Maintenance 10.1 Cleaning and checking Caution: danger of injury ! Turn the main switch off. Maintenance work on the sewing machine must only be carried out when the machine is switched off. All maintenance work must be carried out before or at the maintenance intervals defined in the table (refer to the “operational hours”...
  • Page 35 Maintenance required Explanation Operational interval, hours Sewing drive Clean dust and residual thread from the air-entry points Clean the motor ventilation sieve 2 (you can use You should be able to press down with your compressed air) finger on the V-belt so that the belt moves about 10 mm down Check condition and tension on the V-belt 1...

  • Page 36: Oil Lubrication

    10.2 Oil lubrication Caution: danger of injury ! Oil can cause skin rashes. Avoid prolonged skin contact. If oil or grease contacts your skin, wash yourself thoroughly. CAUTION ! The handling and disposal of mineral oils is subject to legal constraints.

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