Dürkopp Adler 827 Operating Instructions Manual
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Dürkopp Adler 827 Operating Instructions Manual

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Operating Instructions

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Summary of Contents for Dürkopp Adler 827

  • Page 1 Operating Instructions...
  • 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

    Page: Preface and general safety instructions Part 1: Operating Instructions Class 827 – Original Instructions (Edition 01/2012) Product description ..........

  • Page 7: Product Description

    Product description The DÜRKOPP ADLER 827 is a special sewing machine for universal use. It is a flatbed double-lockstitch machine with bottom feed and needle feed. Depending on the subclass it comes as single or double needle machine, with electromagnetic thread cutter.
  • Page 8 This special sewing machine may be set up and operated only in dry, well-maintained premises. If the sewing machine is used in 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 Equipments

    Optional equipments For the 827 the following optional equipments are available: Order No. Optional equipment Subclasses 0867 590014 Electro-pneumatic needle cooler from the top (NK 20-1) 0867 590024 Electro-pneumatic needle cooler from the bottom (NK 20-2) 9780 000108 WE-8 maintenance unit for pneumatic optional equipments...
  • Page 10 Stands Order No. Optional equipment Subclasses MG55 400304 Stand set MG 55-3 for motor fitting beneath the table, with pedal Table top size 1060 x 500 mm MG55 400314 Stand set MG 55-3 for motor fixed on machine head, with pedal Table top size 1060 x 500 mm MG55 400404 Stand set MG 58-63...
  • Page 11 Further optional equipments are available. Please contact our application center (APC). E-Mail: marketing@duerkopp-adler.com Further available documents concerning the class 867: 0791 827801 Parts list 0791 827641 Service Instructions 0791 100700 Fitting Instructions for Sewing Lamp LED...

  • Page 12: Technical Data

    Technical data Noise: Workplace-related emission value in accordance with DIN EN ISO 10821. 827-160122 LC = - dB (A) Stitch length: - mm Speed: - min Material: - 827-260122 LC = - dB (A) Stitch length: - mm Speed: - min...

  • Page 13: Technical Data Subclasses

    Technical data subclasses Subclasses Type of stitch Lockstitch 301 Hook type Number of needles Needle system 134-35 Needle size 80 - 130 (depending on E-No.) [Nm] Max. thread thickness [Nm] 80/3 - 20/3 Stitch length [mm] - Forward - Backward Number adj.
  • Page 14 Threading scheme single-needle machine Threading scheme double-needle machine...

  • Page 15: Operation

    Operation Threading the needle thread Caution: danger of injury ! Turn off the main switch. The needle thread may only be threaded with the sewing machine switched off. Threading in the needle thread with single-needle machines – Put the thread reel on the thread stand and lead the needle thread through the unwinder arm.
  • Page 16 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...

  • Page 17: Adjusting The Needle-Thread Tension

    Adjusting the needle-thread tension Pre-tensioner When the main tensioner 2 and supplementary tensioner 3 are open (e.g. when the sewing feet are raised) the needle thread must be under slight residual tension. This residual tension is produced by the pre-tensioner 1. The pre-tensioner 1 simultaneously affects the length of the end of the severed needle thread (the starting thread for the next seam).

  • Page 18: Switching The Supplementary Tension On And Off

    Switching the supplementary tension on and off The supplementary tension is being switched on and off with lever 1. Switching on – Push the handle 2 of lever 1 to the left. Switching off – Push the handle 2 of the lever 1 to the right.

  • Page 19: Adjusting The Thread Regulator

    Adjusting the thread regulator Caution: danger of injury ! Turn off the main switch. The thread regulator may only be adjusted with the sewing machine switched off. The thread regulator 1 controls the quantity of needle thread required for stitch formation. The thread regulator must be precisely adjusted for an optimum result.

  • Page 20: Winding On The Hook Thread

    Winding on the hook thread – Put the thread reel on the thread stand and conduct the needle thread through the unwinder arm. – Conduct the thread through the thread guide 5, around the tensioner 4 and through the thread guide 3. –...

  • Page 21: Changing The Hook-Thread Bobbin

    Changing the hook-thread bobbin Caution: danger of injury ! Turn off the main switch. The hook-thread bobbin may only be changed with the machine switched off. Remove the empty bobbin – Raise up the flap 1 and remove the empty bobbin. Insert a full bobbin –...

  • Page 22: Setting The Hook Thread Tension

    Setting the hook thread tension Caution: danger of injury ! Turn off the main switch. The hook-thread tension may only be adjusted with the machine switched off. Setting the tension spring 2 – Set the tension spring 2 by turning the adjustment screw 1. Increase the hook thread tension = Turn screw 1 clockwise Decrease the hook thread tension =...

  • Page 23: Inserting And Changing The Needle With Single-Needle Machines

    Inserting and changing the needle with single-needle machines Caution: danger of injury ! Turn off the main switch. The needle may only be changed with the sewing machine switched off. – Turn the hand wheel, until the needle bar 1 has reached its highest position.

  • Page 24: Inserting And Changing The Needle With Double-Needle Machines

    Inserting and changing the needle with double-needle machines Caution Danger of Injury ! Turn off the main switch. The needle may only be changed with the sewing machine switched off. – Turn the hand wheel until the needle bar 1 has reached its highest position.

  • Page 25: Locking The Sewing Feet In Lifted Position

    5.10 Locking the sewing feet in lifted position – Push the lever 1 downwards. The sewing feet are locked in lifted position. – Push the lever 1 upward. The sewing feet’s position is unlocked. – Lift the sewing feet pneumatically by pushing the knee switch. The lever 1 then moves back into its initial position.

  • Page 26: Sewing-Foot Pressure

    6.14 Sewing-foot pressure The required sewing-foot pressure is set with the setting wheel 2. CAUTION ! The material must not ”swim”. Do not set a higher pressure than is necessary. – To increase the sewing-foot pressure = turn the setting wheel 2 clockwise.

  • Page 27: Setting The Stitch Length

    5.12 Setting the stitch length The stitch length is set with the setting wheel 2 on the machine arm. Setting 1 = min. stitch length Setting 7 = max. stitch length The stitch length are the same for both, forward and backward sewing.

  • Page 28: Key Pad On The Machine Arm

    5.13 Key pad on the machine arm Function Recalling or suppressing the initial or final bartack. If the initial and final bartacks are generally switched on, the next bartack is switched off by actuating the key. If the initial and final bartacks are generally switched off, the next bartack is switched on by actuating the key.
  • Page 29 Function 5 and 6 Display for empty bobbin with residual thread monitor (left/ right bobbin) LED display “power on" The function of key 7 can be selected with the screw4 underneath the key 3. – Selecting a function. Example: 3 = Manually sewing backward. –...

  • Page 30: Efka Dc1550/Da321G Direct-Current Positioning Drive

    Efka DC1550/DA321G direct-current positioning drive General For a detailed description of the control unit, please consult the enclosed current issue of the operating manual of the motor manufacturer (see also www.efka.net)

  • Page 31: Sewing

    Sewing Operating and function sequence: Sewing process Operation / explanation Prior to sewing Starting position - Pedal in rest position The machine is at a halt. Needle up, sewing feet down. Position material correctly - Pull pedal half-way back. The sewing feet are raised. for starting the seam.
  • Page 32 Sewing process Operation / explanation Sewing an intermediate bartack - Actuate key 5. The machine sews reverse stitches as long as the key 5 is pressed down. The rotation speed is determined through the pedal At the seam end - Push the pedal all the way back and keep it pushed. Remove the material The final bartack will be sewn (if activated).

  • Page 33: Maintenance

    Maintenance Cleaning and testing Caution: danger of injury ! Turn off the main switch. Maintenance may only be carried out with the machine switched off! Maintenance work must be carried out no less frequently than at the intervals given in the tables (see ”operating hours” column). Maintenance intervals may need to be shorter when processing heavy-shedding materials.
  • Page 34 Maintenance work Explanation Operating to be carried out hours Sewing drive Clean fan grille (e.g. with an Remove lint and pieces of thread from air-intake openings. air blow gun). Check condition and It must be possible to depress the V-belt by about 10 mm by pressing it with a finger at its tension of V-belt 1 mid-point.

  • Page 35: Lubrication

    10.2 Lubrication Caution: danger of injury Oil can cause skin eruptions. Avoid protracted contact with the skin. In the event of contact, thoroughly wash the affected area. CAUTION: The handling and disposal of mineral oils is subject to legal regulation. Deliver used oil to an authorised collection point.

  • Page 36: Repair

    10.3 Repair When the machine is damaged or parts are worn please contact: DÜRKOPP ADLER AG Potsdamer Str. 190 D-33719 Bielefeld Phone: +49 (0) 180 5 383 756 Fax: +49 (0) 521 925 2594 E-mail: service@duerkopp-adler.com Internet: www.duerkopp-adler.com...
  • Page 37 Contents Page: Part 2: Installation Instructions Class 827 – Original Instructions (Edition 01/2012) Scope of Delivery ..........
  • Page 38 Contents Page: Connecting the sewing light transformer (optional equipment) ....6.8.1 Attaching and connecting the sewing light transformer (optional equipment) ..6.8.2 Connection to the DA321G .

  • Page 41: Scope Of Delivery

    Scope of Delivery What items are supplied depends on your order. Prior to setting up, please check that all the required parts are present. This description refers to a special sewing machine, of which all individual components can completely be delivered by Dürkopp Adler –...
  • Page 42 Observe the punch-marks of the table plate! 4,5x15 (x 4) 3,5x17 (x 6) 3,9x15 (x 5) 3,5x17 (x 2) B8x35 (x 4) DIRECT DRIVE...

  • Page 43: Assembling The Stand

    Assembling the stand Assembling the stand components – Assemble the individual stand components as shown in the illustration. – Adjust the set screws 8 to insure the stability of the stand. Make sure that the stand is safe by insuring that every single foot of the stand touches the ground.

  • Page 44: Setting The Working Height

    Setting the working height – The working height is adjustable between 750 and 900 mm (measured to the upper edge of the table plate). – Undo screws 1 on the stand braces. – Adjust the table plate horizontally to the required working height. To prevent tilting, pull the table plate out or push it in by the same distance on both sides.

  • Page 45: Sewing Drives

    Sewing drives Drive category, type and use The following sewing drives are available: Subclass Clutch motor DC-positioning drive 827-160122 827-260122 Efka DC1550/DA321G Fitting the sewing-drive control – Fix the sewing-drive control 1 with 4 screws underneath the table plate 8.

  • Page 46: Fitting The Pedal

    Fitting the pedal – Attach the pedal 5 to the stand brace 4. – For ergonomic reasons align the pedal 5 as follows: The center of the pedal must be approximately under the needle. There are slots in the stand brace 4 to help align the pedal. –...

  • Page 47: Assembling The Machine Head

    Assembling the machine head Fitting the machine head – Fit the machine head 1 into the opening in the table plate. Fitting the oil suction tube – Remove the plug at the end of the suction tube 3. – Put the end of the suction tube 3 into the cover 1. –...

  • Page 48: Fitting The Operating Panel

    Fitting the operating panel – Unscrew the thread guide 2 from off the sewing machine head. – Fix the control panel fixing angle 1 together with the thread guide 2. – Lift off the arm cover 3 and the valve cap 4. –...
  • Page 49 The sewing lamp can be mounted on the operating-panel bracket if present. – Stick the safety warning label on the front of the main switch 7. – Fix the sewing light on the holder 2. – Lift off the arm cover 3 and the valve cap 4. –...

  • Page 50: Electrical Connection

    Electrical connection 6.1 General Caution ! All work on the electrical equipment of this special sewing machine may only be carried out by qualified electricians or other appropriately trained persons. The mains plug must be removed. Checking the mains voltage Caution ! The mains voltage must agree with the rated voltage specified on the model-identification plate.

  • Page 51: Earthing

    Earthing The earthing cable 1 is in the machine’s accessory pack. The earthing cable 1 takes static charges from the machine head to earth via the motor base. – Connect the earthing cable 1 to the flat plug 2 (already screwed on the machine head) and lay it through the cable duct to the motor base.

  • Page 52: Connecting The Sewing Drive To The Mains

    Connecting the sewing drive to the mains Caution: The sewing machine must be connected to the mains with a plug. Clutch motors and coupling-positioning actuators must be connected to a 3 x 380 - 415V 50/60 Hz or 3 x 220 - 240V 50/60 Hz three-phase supply (see tables in section 4.1).

  • Page 53: Connecting The Machine Head

    Connecting the machine head Connections – The 9870 367004 or 9870 867000 cable is plugged onto the 9850 867000 distributor in the upper part and passed down inside the upper part. – Plug the 37-pole plug of the cable into socket A of the sewing drive and secure with the screw.

  • Page 54: Connecting The Sewing Light Transformer (Optional Equipment)

    Connecting the sewing light transformer (optional equipment) 6.8.1 Attaching and connecting the sewing light transformer (optional equipment) – Remove the machine’s mains plug. – Pass the mains cable 1 of the sewing-lamp transformer through the cable conduit 2 to the main switch. –...

  • Page 55: Connection To The Da321G

    6.8.2 Connection to the DA321G – Loosen the 4 screws on the front plate of the controls. – Remove the front plate. – Push the cable from the back through the cable duct 1 into the controls. – Remove the black rubber grommet 2. –...

  • Page 56: Connecting The Direct Drive

    Connecting the direct drive 6.9.1 Connecting the Hall-effect sensor (Optional Equipment) Only with DC 1550 drive: · Motor mounted under the table · Gear reduction motor - machine 1,55:1 Attention ! Turn off the main switch. Connect the Hall-effect sensor with the sewing machine switched off. –...
  • Page 57 – Connect the 9-pole SuB-D plug of the Hall-effect sensor to the bushing “B18" (IPG / HSM / LSM) of the Efka control drive DA321G. – Set the correct machine class with parameter F-290 according to the corresponding parameter sheet 9800 331104 PBXX. –...

  • Page 58: Connecting The Da321G Control Unit

    6.9.2 Connecting the DA321G control unit B 4 1 B 8 0 E B . . . B 1 8 B 7 7 6 L S M . . . V 8 . . – Insert the lead from the controller (pedal) into socket B80 of the controls.

  • Page 59: Setting Machine-Specific Parameters

    6.10 Setting machine-specific parameters 6.10.1 General The functions of the sewing-drive control are determined by the program and the parameter settings. All parameter values for the relevant machine class and subclass are pre-set by Efka prior to delivery of the sewing drives. For each class and subclass some parameters at technician and manufacturer level must be changed so that the control is perfectly coordinated with the machine.

  • Page 61: Pneumatic Connection

    Pneumatic connection Caution: The pneumatic units will only operate properly at a supply pressure of 8 to 10 bar. The special sewing machine’s operating pressure is 6 bar. Pneumatic-connection pack A pneumatic-connection pack for stands with compressed-air maintenance units is available (Order No. 0797 003031). It contains the following components: - Connection hose, 5 m long (Ø...

  • Page 62: Lubrication

    Lubrication Caution: danger of injury ! Oil can cause skin eruptions. Avoid protracted contact with the skin. In the event of contact, thoroughly wash the affected area. CAUTION ! The handling and disposal of mineral oil is subject to legal regulation. Deliver used oil to an authorised collection point.

  • Page 63: Sewing Test

    Sewing test A sewing test must be carried out when setting-up is complete. – Insert the mains plug. Caution: danger of injury ! Turn off the main switch. The needle and hook threads may only be threaded with the sewing machine switched off. –...
  • Page 66 Notizen:...
  • Page 68 DÜRKOPP ADLER AG Potsdamer Str. 190 33719 Bielefeld Germany Phone +49 (0) 521 925 00 E-Mail: service@duerkopp-adler.com www.duerkopp-adler.com...
  • Page 69 Änderung der technischen Dokumentation Modification of the technical documentation Modification de la documentation tecnique Modificación de la documentación técnica Modificazione della documentazione tecnica Die vorliegende Anleitung hat sich nach Drucklegung geändert. Bitte tauschen Sie die beiliegenden Seiten in Ihrer Landessprache aus. The present instructions have changed since their last print out.
  • Page 71 Additional ,nstructions Machines with ,ntegrated 0otor...

  • Page 73: About This Manual

    About this manual 1 About this manual These additional instructions are supplementary to the manual of class 887 machines. They describe operation and functioning measures of machines with integrated motor that differ from ma- chines without integrated motor. The additional instructions do not constitute a self-contained doc- ument, but are only valid in combination with the respective in- struction manual.
  • Page 74 ECO-machines 3 ECO-machines 3.1 Operation Fig. 1: Switching ECO-machines on and off (1) - LEDs indicating the status (2) - Main switch for the power supply ECO-machines with integrated motor are switched on and off via the main switch (5) on the machine post. Switching the machine on 1.
  • Page 75 ECO-machines Fig. 2: Operator settings with ECO-machines (1) - Potentiometer P1 to decrease the speed (2) - Button S1 for the needle's stopping position (3) - Button S2 for the softstart Setting the maximum speed 1. Turn the potentiometer P1 (1). •...
  • Page 76 CLASSIC-machines 4 CLASSIC-machines 4.1 Operation Fig. 3: Switching CLASSIC-machines on and off Operating panel on the Control beneath the table machine post (1) - LEDs indicating the status (2) - Button for the sewing light (3) - Main switch for power supply (4) - Control light CLASSIC-machines are switched on and off at the control under- neath the table top (...
  • Page 77 CLASSIC-machines Fig. 4: Switching the sewing light on and setting the light intensity (1) - Potentiometer P1 for an infinitely variable setting of intensity (2) - Button S1 for the single-diode sewing light (3) - Button S2 for the integrated sewing light Switching the sewing lights on and off 1.
  • Page 78 CLASSIC-machines . Sewing light connection DANGER Risk of death due to electric shock The sewing light control is directly connected to the mains supply and is live even when the main switch is switched off. Therefore it is essential to pull out the mains plug, before you connect the sewing light.
  • Page 80 DÜRKOPP ADLER AG Potsdamer Str. 190 33719 Bielefeld Germany Phone +49 (0) 521 925 00 E-Mail: service@duerkopp-adler.com www.duerkopp-adler.com...

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