Dürkopp Adler 971-01 Operating Instructions Manual
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Dürkopp Adler 971-01 Operating Instructions Manual

Dürkopp Adler 971-01 Operating Instructions Manual

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971-01
Operating Instructions

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Summary of Contents for Dürkopp Adler 971-01

  • Page 1 971-01 Operating Instructions...
  • Page 2 IMPORTANT READ CAREFULLY BEFORE USE KEEP FOR FUTURE REFERENCE All rights reserved. Property of Dürkopp Adler GmbH and protected by copyright. Any reuse of these contents, in- cluding extracts, is prohibited without the prior written approval of Dürkopp Adler GmbH. Copyright ©...

  • Page 3: Table Of Contents

    Table of Contents About these instructions ............3 For whom are these instructions intended?........3 Representation conventions – symbols and characters ....3 Other documents ................4 Liability..................5 Safety ................... 7 Basic safety instructions ............... 7 Signal words and symbols used in warnings ........ 8 Machine description ..............
  • Page 4 Table of Contents Electrical connection..............48 6.8.1 Setting the motor circuit breaker..........48 6.8.2 Checking the direction of rotation ..........49 Pneumatic connection ..............50 6.9.1 Fitting the compressed air maintenance unit ......50 6.9.2 Setting the operating pressure ........... 50 Starting up for the first time ............

  • Page 5: About These Instructions

    About these instructions About these instructions These instructions for the 971 have been prepared with utmost care. They contain information and notes intended to ensure long-term and reliable operation. Should you notice any discrepancies or if you have improvement requests, then we would be glad to receive your feedback through Customer Service (...

  • Page 6: Other Documents

    About these instructions Steps to be performed when operating the machine (sewing and equipping) Steps to be performed for service, maintenance, and installation Steps to be performed via the software control panel The individual steps are numbered: 1. First step 2.

  • Page 7: Liability

    About these instructions 1.4 Liability All information and notes in these instructions have been compiled in ac- cordance with the latest technology and the applicable standards and re- gulations. Dürkopp Adler cannot be held liable for any damage resulting from: •...
  • Page 8 About these instructions Operating Instructions 971 - 06.0 - 12/2020...

  • Page 9: Safety

    Safety Safety This chapter contains basic information for your safety. Read the instruc- tions carefully before setting up or operating the machine. Make sure to follow the information included in the safety instructions. Failure to do so can result in serious injury and property damage. 2.1 Basic safety instructions The machine may only be used as described in these instructions.

  • Page 10: Signal Words And Symbols Used In Warnings

    Safety Inspect the machine while in use for any externally visible damage. Operation Stop working if you notice any changes to the machine. Report any chan- ges to your supervisor. Do not use a damaged machine any further. Safety equipment should not be removed or deactivated. If it is essential Safety equipment to remove or deactivate safety equipment for a repair operation, it must be...
  • Page 11 Safety Symbol Type of danger Puncture Crushing Environmental damage Examples of the layout of warnings in the text: Examples DANGER 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 will result in serious injury or even death if ignored.
  • Page 12 Safety CAUTION 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 environmental damage if ignored. NOTICE Type and source of danger! Consequences of non-compliance.

  • Page 13: Machine Description

    Machine description Machine description 3.1 Elements on the sewing head Fig. 1: Elements on the sewing head (1) ⑭ ⑬ ⑫ ⑪ ① ② ③ ④ ⑤ ⑩ ⑥ ⑦ ⑧ ⑨ (1) - Knurled screw for the sewing foot pres- (8) - Thread monitor LEDs sure (9) - Guide plate...

  • Page 14: Elements On The Cutting Head

    Machine description Fig. 2: Elemente am Nähkopf (2) ⑱ ⑰ ⑮ ⑯ (15) - Rotary knob for the sewing foot stroke (17) - Magnet: creates a magnetic field for (16) - Plastic disc: pull the magnetic roller the magnetic roller down in order to swing the sewing (18) - Transport roll to set the correct needle head out...
  • Page 15 Machine description Fig. 4: Elements on the cutting head (2) ⑩ ⑥ ⑨ ⑦ ⑧ (6) - Blow pipe for the sewing material (9) - Top blade (7) - Blow pipe for the chain (10) - Sliding block (8) - Bottom blade Operating Instructions 971 - 06.0 - 12/2020...

  • Page 16: Elements On The Frame

    Machine description 3.3 Elements on the frame Fig. 5: Elements on the frame ① ⑥ ② ⑤ ③ ④ (1) - Compressed air gun (4) - Rotary knob for the speed of the tzurn- (2) - Pressure controller with pressure gage table (3) - Left pedal (5) - Right pedal...

  • Page 17: Elements On The Control Box

    Machine description 3.4 Elements on the control box Fig. 6: Elemente am Steuerkasten ① (1) - Motor circuit breaker Operating Instructions 971 - 06.0 - 12/2020...

  • Page 18: Elements On The Stacker

    Machine description 3.5 Elements on the stacker Fig. 7: Elements on the stacker ① ⑧ ② ⑦ ③ ⑥ ④ ⑤ (1) - Looper for sewing material transport (4) - Lever (2) - Connecting plate between the (5) - Solenoid valve box material holder and the rack of the (6) - Fastening rail for the stacker cover stacker...

  • Page 19: Operation

    Operation Operation 4.1 Preparing the machine for operation • Changing the needle • Threading the needle thread • Winding the bobbin thread • Replacing the bobbin thread reel • Thread tension • Setting the needle thread tension • Setting the bobbin thread tension 4.2 Switching on the machine Fig.

  • Page 20: Threading The Needle Thread

    Operation 4.3 Threading the needle thread WARNING Risk of injury from sharp parts! Punctures possible. Switch off the machine before threading. Fig. 9: Threading the needle thread (1) ① ② (1) - Take-up arm (2) - Thread reel holder To thread the needle thread: 1.

  • Page 21: Threading The Looper Thread

    Operation 4. Guide the thread through the thread lever (3) and the preliminary ten- sioner, via the finger of the needle thread monitor, through the eyelet on the needle bar and through the needle. 4.4 Threading the looper thread WARNING Risk of injury from sharp parts! Punctures possible.
  • Page 22 Operation 7. Guide the thread over the bar (6) on the left side of the thread guide plate (4) through the left of the 3 thread guides. 8. Guide the thread under the bar (5). Fig. 12: Threading the looper thread (2) ⑦...

  • Page 23: Adjusting The Thread Tensions

    Operation Fig. 13: Threading the looper thread (3) ⑯ (16) - Hole 17. Turn the handwheel until the hole (16) is visible. 18. Pull the thread through hole (16). 19. Snap the thread down-holder (14) shut. 20. Close hatch (9). 21.

  • Page 24: Removing A Thread Break

    Operation 4.6 Removing a thread break WARNING Risk of injury from sharp parts! Punctures possible Switch off the machine before threading. Fig. 14: Removing a thread break ① (1) - Throat plate insert On the sewing head there are two thread monitors, whose switching flags are released, if the needle or looper thread is torn.

  • Page 25: Setting The Sewing Foot Height

    Operation 4.7 Setting the sewing foot height WARNING Risk of injury from moving parts! Crushing possible. Switch off the machine before setting the sewing foot height. Fig. 15: Setting the sewing foot height ① (1) - Adjusting wheel To set the needle foot height: 1.

  • Page 26: Swinging The Sewing Head In And Out

    Operation 4.8 Swinging the sewing head in and out WARNING Risk of injury from moving parts! Crushing possible. Switch off the machine before swinging the sewing head in or out. The sewing head can be swung out in order to thread the looper thread and for service and maintenance works.

  • Page 27: Swinging The Cutting Head In Or Out

    Operation Swinging the sewing head in To swing the sewing head in: 1. Pull the magnetic roller shaft (1) downwards completely. 2. Turn the throat plate insert (3) clockwise against the spring force. 3. Swing the sewing head into the turntable. When doing so, ensure: •...
  • Page 28 Operation Swinging the cutting head out To swing the cutting head out: 1. Pull the magnetic roller shaft (1) downwards completely. 2. Switch the cutter out to the side. 3. Release the magnetic roller shaft (1). Swing the cutting head in To swing the cutting head in: 1.

  • Page 29: Preparing, Starting And Interrupting The Automatic Sequence

    Operation 4.10 Preparing, starting and interrupting the automatic sequence 4.10.1 Replacing the adjustable material holders WARNING Risk of injury from moving parts! Crushing possible. Switch off the machine before replacing the adjustable material holders. Fig. 18: Replacing the adjustable material holders ①...

  • Page 30: Changing The Size Of The Adjustable Material Holders

    Operation 6. Set the desired size by turning the adjusting screw (2) using the special key (1) ( S. 28). 7. Swing the sewing and cutting heads back in, ( S. 24), ( S. 25). 4.10.2 Changing the size of the adjustable material holders WARNING Risk of injury from moving parts! Crushing possible.

  • Page 31: Adjusting The Depth Stop Of The Adjustable Material Holders

    Operation 3. When setting a smaller size, open the left clamp half (6) in good time to bring plastic plate (5), which is rounded upwards, back into the pre- scribed position. 4. Secure the lock by tightening screws (3) and (4) with the special key (1). 4.10.3 Adjusting the depth stop of the adjustable material holders WARNING Risk of injury from moving parts!

  • Page 32: Extending The Opening Time Of The Clamp

    Operation 4.10.4 Extending the opening time of the clamp The clamp is opened after the table is turned and closed again after the stacker function is complete. Only a certain period of time is available therefore for the feed process. If there is not enough time to position the material correctly, the clamp's opening time can be extended by pressing the left foot pedal.
  • Page 33 Operation Automatic sequence WARNING Risk of injury from moving parts! Crushing possible. Do not reach into the area of the turntable or the sewing/cutting heads during the automatic sequence. Fig. 22: Automatic sequence (1) ① (1) - Switch S1 Order This is the process of the automatic sequence: ...
  • Page 34 Operation Fig. 23: Automatic sequence (2) ② ③ ④ ⑤ ⑥ (2) - Looper (5) - Initiator S3 (3) - Rack (6) - Initiator S4 (4) - Magazine Clamp with sewing material is opened.  The looper (2) moves to the material holder. Stacker process The looper (2) pulls the material onto the rack (3).

  • Page 35: Maintenance

    Maintenance Maintenance This chapter describes maintenance work that needs to be carried out on a regular basis to extend the service life of the machine and achieve the desired seam quality. Advanced maintenance work may only be carried out by qualified special- ists (...

  • Page 36: Cleaning

    Maintenance 5.1 Cleaning WARNING Risk of injury from flying particles! Flying particles can enter the eyes, causing injury. Wear safety goggles. Hold the compressed air gun so that the particles do not fly close to people. Make sure no particles fly into the oil sump. NOTICE Property damage from soiling! Lint and thread remnants can impair the operation of the machine.
  • Page 37 Maintenance Cleaning the side channel blower and the strainer in the ton Fig. 24: Cleaning the side channel blower and the strainer in the ton ① ② ③ (1) - Connection (3) - Strainer (2) - Connection To clean the side channel blower and the strainer in the ton: 1.

  • Page 38: Lubricating

    Maintenance 5.2 Lubricating CAUTION Risk of injury from contact with oil! Oil can cause a rash if it comes into contact with skin. Avoid skin contact with oil. If oil has come into contact with your skin, wash the affected areas thoroughly. NOTICE Property damage from incorrect oil! Incorrect oil types can result in damage to the machine.
  • Page 39 Maintenance Check the oil level at the sewing head Fig. 25: Check the oil level at the sewing lamp ① (1) - Inspection glass To check the oil level at the sewing head: 1. Check the oil level on the inspection glass (1) of the sewing head. 2.

  • Page 40: Servicing The Pneumatic System

    Maintenance 5.3 Servicing the pneumatic system 5.3.1 Setting the operating pressure NOTICE Property damage from incorrect setting! Incorrect operating pressure can result in damage to the machine. Ensure that the machine is only used when the operating pressure is set correctly. Proper setting Refer to the Technical data (...

  • Page 41: Draining The Water Condensation

    Maintenance 5.3.2 Draining the water condensation NOTICE Property damage from excess water! Excess water can cause damage to the machine. Drain water as required. Water condensation accumulates in the water separator (2) of the pressure controller. Proper setting Water condensation must not rise up to the level of the filter element (1). Check the water level in the water separator (2) on a daily basis.

  • Page 42: Cleaning The Filter Element

    Maintenance 5.3.3 Cleaning the filter element NOTICE Damage to the paintwork from solvent-based cleaners! Solvent-based cleaners damage the filter. Use only solvent-free substances for washing out the filter tray. Fig. 29: Cleaning the filter element ① ② ③ (1) - Filter element (3) - Drain screw (2) - Water separator To clean the filter element:...

  • Page 43: Parts List

    Maintenance 5.4 Parts list A parts list can be ordered from Dürkopp Adler. Or visit our website for fur- ther information at: www.duerkopp-adler.com Operating Instructions 971 - 06.0 - 12/2020...
  • Page 44 Maintenance Operating Instructions 971 - 06.0 - 12/2020...

  • Page 45: Setup

    Setup Setup 6.1 Components of the sewing unit Fig. 30: Components of the sewing unit The sewing unit comprises the following components on delivery: • Base machine Sewing machine • Cutter • Material holder • Reel stand • Control box •...

  • Page 46: Adjusting The Sewing Head Heigth And The Cutting Head Height

    Setup 6.2 Adjusting the sewing head heigth and the cutting head height Fig. 31: Adjusting the sewing head height and the cutting head height ① ② (1) - Screws (2) - Bolt To adjust the sewing head heigth and the cutting head heigth: 1.

  • Page 47: Installing The Reel Stand

    Setup To install the material holders: 1. Install the holder on the turntable ensuring the following: • The numbering (2) (1, 2, 3, 4 etc.) on the holders indicates their pla- cement in the turntable. • Tighten the fastening screws (1) with the special key (3). 6.4 Installing the reel stand The setup and position of the reel stand can be seen in the photo at the device description.

  • Page 48: Connecting The Side Channel Blower

    Setup 6.6 Connecting the side channel blower Fig. 33: Connecting the side channel blower ① ⑤ ② ② ③ ④ (1) - Cover (4) - Socket (2) - Hose (5) - Hose (3) - Cable The side channel blower sucks cutting waste into the ton. To connect the side channel blower: 1.

  • Page 49: Connecting The Stacker To The Sewing Unit

    Setup 6.7 Connecting the stacker to the sewing unit Fig. 34: Connecting the stacker to the seing unit ② ① (1) - Clamping lever (2) - Fastening rail To connect the stacker to the sewing unit: 1. Release the clamping lever (1). 2.

  • Page 50: Electrical Connection

    Setup 6.8 Electrical connection DANGER Risk of injury from electricity! Unprotected contact with electricity can result in serious injuries or death. Work on the electrical system must ONLY be carried out by qualified electricians or appropriately trained and authorized personnel. ALWAYS pull the power plug before working on the electrical equipment.

  • Page 51: Checking The Direction Of Rotation

    Setup Netzspannung 3 Phasen 230VAC (-20%/10%) 50/60 Hz Motorschaltung Dreieckschaltung Motorschutzschalter Typ 2,8...4,0A Einstellung bei: 220V > 3,2 A 230V > 3,2 A 240V > 3,4 A 6.8.2 Checking the direction of rotation To check the direction of rotation: 1. Switch on the main switch. 2.

  • Page 52: Pneumatic Connection

    Setup 6.9 Pneumatic connection NOTICE Property damage from oily compressed air! Oil particles in the compressed air can cause malfunctions of the machine and soil the sewing material. Ensure that no oil particles enter the compressed air supply. NOTICE Property damage from incorrect setting! Incorrect system pressure can result in damage to the machine.
  • Page 53 Setup Fig. 37: Setting the operating pressure ① ② (1) - Pressure controller (2) - Pressure gage To set the operating pressure: 1. Pull the pressure controller (1) up. 2. Turn the pressure controller until the pressure gage (2) indicates the proper setting.

  • Page 54: Starting Up For The First Time

    Starting up for the first time Starting up for the first time Test run First perform a test run using the sewing material in order to test that the unit is working properly. Starting sewing for the first time 1. Start and stop the automatic sequence if a material holder is in front of the sewing head.

  • Page 55: Decommissioning

    Decommissioning Decommissioning A number of activities must be carried out if the machine is to be shut down for a longer period of time or completely decommissioned. WARNING Risk of injury from a lack of care! A lack of care or a lack of sufficient technical knowledge when decommissioning the machine can result in serious injuries.
  • Page 56 Decommissioning Operating Instructions 971 - 06.0 - 12/2020...

  • Page 57: Disposal

    Disposal Disposal The machine must not be disposed of in normal household waste. The machine must be disposed of in an appropriate and correct manner according to the national regulations. ATTENTION Risk of environmental damage due to incorrect disposal. Incorrect disposal of the machine can result in severe environmental damage.
  • Page 58 Disposal Operating Instructions 971 - 06.0 - 12/2020...

  • Page 59: Troubleshooting

    Troubleshooting 10 Troubleshooting 10.1 Customer Service Contact for repairs and issues with the machine: Dürkopp Adler GmbH Potsdamer Str. 190 33719 Bielefeld, Germany Tel. +49 (0) 180 5 383 756 Fax +49 (0) 521 925 2594 Email: service@duerkopp-adler.com Internet: www.duerkopp-adler.com 10.2 Errors in sewing process Meaning Possible causes...
  • Page 60 Troubleshooting Meaning Possible causes Remedial action Missed stitches • The needle and looper threads • Check the threading path are incorrectly threaded ( Operating Instructions, Operation) • Needle is blunt or bent • Replace the needle • Needle is not correctly inserted •...
  • Page 61 Troubleshooting Meaning Possible causes Remedial action Thread break • The needle and looper threads • Check the threading path are incorrectly threaded ( Operating Instructions, Operation) • Needle is bent or sharp-edged • Replace the needle • Needle is not correctly inserted •...
  • Page 62 Troubleshooting Operating Instructions 971 - 06.0 - 12/2020...

  • Page 63: Technical Data

    The speed of rotation can be adjusted steplessly and can be adapted to the relevant requirements. The double chain stitch sewing head of the 971-01 is fitted with a needle and looper thread monitor, which stops the sewing machine automatically should the thread break or run out.
  • Page 64 Technical data cutting head. The cutting distance can be changed using corresponding part sets. To remove cutting waste, suction systems with one-sided or two-sided suction are available. The corresponding air compressor is available in different voltage versions. Operating Instructions 971 - 06.0 - 12/2020...

  • Page 65: Appendix

    Appendix 12 Appendix Operating Instructions 971 - 06.0 - 12/2020...
  • Page 66 Appendix Operating Instructions 971 - 06.0 - 12/2020...
  • Page 67 Appendix Operating Instructions 971 - 06.0 - 12/2020...
  • Page 68 Appendix Operating Instructions 971 - 06.0 - 12/2020...
  • Page 70 DÜRKOPP ADLER GmbH 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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