Duerkopp Adler 841-27 Operating Instructions Manual
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Duerkopp Adler 841-27 Operating Instructions Manual

Duerkopp Adler 841-27 Operating Instructions Manual

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Contents
Preface and General Safety Information
Part 1: Operating Instructions Class 841-27
1.
1.1.
Proper Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2
Short Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2.1
Sewing Machine Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2.2
Feed Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2.3
New DÜRKOPP-ADLER-Controls (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3
Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.
3.1
Switching On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2
Switching Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.
4.1
4.2
Winding the Underthread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.3
Inserting the Bobbin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.4
Changing the Needle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.5
Regulating Sewing Arch Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.6
Setting the Buttonhole Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.7
Setting the Number of Stitches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.8
Replacing and Setting the Knife . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.9
Replacing and Setting the Knife (Cutting Block) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.10
Replacing the Plastic Cutting Plate (only with Cutting Block) . . . . . . . . . . . . . . . . . . . . . 18
4.11
Needle Thread Tension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.
5.1
5.1.1
Reference Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1.2
Selecting a Sewing Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1.3
Starting the Sewing Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1.4
Voiding the Feed Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1.5
Continuing Sewing after Thread Breakage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1.6
"No Material under Light Barrier" Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.2
5.3
Underthread Bobbin Empty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.4
Re-sewing of Buttonholes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.5
5.6
Programming the Arrangement of the Buttonholes . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.7
Removing Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Page:
1
3

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Summary of Contents for Duerkopp Adler 841-27

  • Page 1: Table Of Contents

    Contents Page: Preface and General Safety Information Part 1: Operating Instructions Class 841-27 Product Description 1.1. Proper Use ..........5 Short Description .
  • Page 2 Contents Page: Maintenance Cleaning and Inspection ......... 28 Lubrication .

  • Page 3: Product Description Proper Use

    Product Description Proper Use The DÜRKOPP ADLER 841-27 is a sewing unit which can properly be used for the sewing of light to medium weight material. Such material is, as a rule, material made up of textile or synthetic fibers. These materials are used in the garment industry. Generally, only dry material may be worked with this sewing unit.

  • Page 4: Feed Unit

    1.2.2 Feed Unit The feed unit is prepared for connection to an in-house vacuum unit. A vacuum distributor with filter is available as optional equipment. It allows for the attachment of up to 3 sewing units to an in-house vacuum unit. If no in-house vacuum unit exists the rotary blower, which is available as optional equipment, must be ordered.

  • Page 5: Technical Data

    Technical Data Machine head: Class 577-1111 Needle system: System 265 (slight ball point) Needle thickness: [Nm] 70 to 100, Standard 80 Yarns: [Nm] synthetic threads and synthetic threads with cotton covering up to 65/2 Sewing stitch type: 301/Double saddle stitch Number of stitches: [min 1000 to 4000...

  • Page 6: Switching On/Off 3.1 Switching On

    Switching On/Off Switching On For the operational readiness of the sewing unit the feed rail must be run into the reference position once after switching on. The reference position is required in order for the controls to receive a defined base position for the feed rail. Caution Risk of Injury ! Do not reach into the motion area of the feed rail 3 during the reference run.

  • Page 7: Operating The Sewing Machine Head

    Operating the Sewing Machine Head Threading the Needle Thread Caution Risk of Injury ! Turn off the main switch 1 of the sewing machine head ! Thread the needle thread only with the machine head turned off. – Thread the needle thread as shown in the illustration.

  • Page 8: Winding The Underthread

    Winding the Underthread – Place the yarn spool on the yarn stand. – Thread the underthread as shown in the illustration. – Place the bobbin on winder 1. – Wind the underthread clockwise approx. 5 times around the bobbin core. –...
  • Page 9 Threading the bobbin – Insert a full bobbin into the bobbin case top, the bobbin must thereby turn counterclockwise when the underthread is pulled off. – Guide the underthread through slot 6 under spring 7. – Depending on the desired buttonhole, the underthread must be guided through slot 9 for a raised-form buttonhole (more thread is pulled forward over the hook back) or through slot 10 for a flat-form buttonhole (less thread).

  • Page 10: Changing The Needle

    Changing the Needle Caution Risk of Injury ! Turn off the switch 1 of the sewing machine head. Change the needle only with the sewing machine head turned off. – Loosen screw 1. – Remove the needle from the needle bar. –...

  • Page 11: Setting The Buttonhole Length

    Setting the Buttonhole Length Caution Risk of Injury ! Turn off the switch of the sewing machine head. Change the buttonhole length only with the sewing machine head turned off! – Turn off the switch for the machine head. – Pull off the hand crank 1.

  • Page 12: Setting The Number Of Stitches

    Setting the Number of Stitches Caution Risk of Injury ! Turn off the main switch! Change the number of stitches only with the machine turned off! – Pull off the hand crank . – Lift lid 2 up to the stop. –...

  • Page 13: Replacing And Setting The Knife

    Replacing and Setting the Knife Caution Risk of Injury ! Turn off the main switch! The sewing arch must be in the base position otherwise the knife strikes on the sewing arch! Removing the knife – Loosen nut 1. – Pull out knife 2.
  • Page 14 ATTENTION ! During the use of the setting program do not turn on the handwheel or the hand crank! – If necessary, lower the sewing arch by pressing the F3 key. – With the setting aid still turned on, the knife block can now be moved downward with the F4 key.

  • Page 15: Replacing And Setting The Knife (Cutting Block)

    Replacing and Setting the Knife (Cutting Block) Caution Risk of Injury ! Turn off the main switch! The sewing arch must be in the base position otherwise the knife strikes on the sewing arch! Removing the knife – Loosen nut 1. –...

  • Page 16: Replacing The Plastic Cutting Plate (Only With Cutting Block)

    ATTENTION ! During the use of the setting program do not turn on the handwheel or the hand crank! – If necessary, lower the sewing arch by pressing the F3 key. – With the setting aid still turned on the knife block can now be moved downward with the F4 key.

  • Page 17: Needle Thread Tension

    4.11 Needle Thread Tension At the factory the machine head is set so that buttonholes with flat-form tacking and raised-form buttonhole seams are sewn. Pre-tension The pre-tension 4 is always in effect. It serves to quiet the needle thread. The setting value should be very small (5-10 g). The pre-tension 4 has little influence on the seam construct.
  • Page 18 – Set the tacking tension 6 so that, during the sewing procedure, the greatest possible quantity of needle thread from the yarn spool is used without the needle thread above the pre-tension fluttering too much or tearing. – Thread the needle thread as per Chapter 4.1 (needle thread through the main tension).

  • Page 19: Feeding And Sewing

    Feeding and Sewing Reference Position - Starting the Sewing Procedure - Voiding the Feed Procedure 5.1.1 Reference Position For the operational readiness of the sewing unit the advancing unit must be run into the reference position once after switching on. The reference position is required in order for the controls to receive a defined base position for the advancing unit.

  • Page 20: Voiding The Feed Procedure

    5.1.4 Voiding the Feed Procedure The feed procedure can be voided for making corrections: – Strike numeric key "3" on the control panel. if the "Knee Switch" function is turned on, press the knee switch again. – The vacuum field is turned off. 5.1.5 Continuing Sewing after Thread Breakage When the thread monitor registers a breakage of the needle thread,...
  • Page 21 2. New feed – Select the symbol at the left with the arrow keys " " and " ". – Strike the enter key. The advancing device swings to the back. The indicator at the left appears. – Strike the enter key or start key. The clamping rail opens.

  • Page 22: No Material Under Light Barrier" Display

    5.1.6 "No Material under Light Barrier" Display The light barrier 1 checks if material is present. If no material lies under the light barrier, the indicator at the left appears in the display. The indicator can appear under following conditions: –...

  • Page 23: Bobbin Change

    Bobbin Change The specified value (number of button holes) is shown with the numeric key "2". – The symbol at the left appears in the display. Now a new value can be specified with the numeric keypad. – In order to reset the counter for the number of underthread stitches to the specified or the set value, strike the enter key.

  • Page 24: Re-Sewing Of Buttonholes

    Re-sewing of Buttonholes Individual buttonholes of a buttonhole facing can be re-sewn with the "Re-sewing of Buttonholes" function. The re-sewing mode can also be turned on during the sewing procedure. – Strike key "5" in the main menu. The symbol is shown as a negative. The re-sewing of individual buttonholes is turned on.

  • Page 25: Setting Of The Clearance Of The Buttonholes To The Positioning Edge

    Setting of the Clearance of the Buttonholes to the Positioning Edge The clearance of the buttonholes to the positioning edge can be set with the setting wheel 1. The indicator 2 serves as orientation to quickly see how the clearance is set. The clearance of the buttonholes to the positioning edge can lie in a range from 10 to 22 mm.

  • Page 26: Maintenance

    Maintenance Caution Risk of Injury ! Turn off the main switch. The maintenance of the sewing unit may only be conducted when the machine is turned off. The maintenance work must occur at the latest as per the maintenance intervals listed in the tables (see column Operating Hours).
  • Page 27 Lubrication Caution Risk of Injury ! Oil can cause skin rashes. Avoid longer skin contact. After contact wash yourself thoroughly. ATTENTION ! The handling and disposal of mineral oils is subject to legal constraints. Deliver used oil to an authorized reception point ! Protect your environment.Take care not to spill any oil.

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