Duerkopp Adler 743-121 Operating Instructions Manual
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Duerkopp Adler 743-121 Operating Instructions Manual

Duerkopp Adler 743-121 Operating Instructions Manual

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Contents
Preface and General Safety Notes
Part 1: Operating Instructions for the 743-121
1.
1.1
Technical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2
Patents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3
Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.
2.1
Needles and Threads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2
Threading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3
Setting Thread Tension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4
2.5
Dart Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6
Dart Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7
Setting the Insertion Depth of the Folding Table . . . . . . . . . . . . . . . . . . . . . . . . . .
2.8
Setting the Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.9
Positioning the Sewing Pieces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.10
Sewing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.
Maintenance
3.1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Summary of Contents for Duerkopp Adler 743-121

  • Page 1: Table Of Contents

    Contents Page: Home Preface and General Safety Notes Part 1: Operating Instructions for the 743-121 Product Description Technical Specification ........Patents .

  • Page 3: Product Description

    1. Product Description The DÜRKOPP 743-121 is a sewing unit for the automated sewing of single-point darts with straight or curved seam configurations. Maximum seam length 150 mm. The unit is equipped with a machine head in double chain stitch execution.

  • Page 4: Optional Equipment

    1.3 Optional Equipment 0794 013222 Bundle clamp with swing arm and holder pipehr. 0794 000091 Supporting table (small). (only in conjunction with the bundle clamp) 0794 000332 Remover device for smoothing the blown-out sewing pieces. (only in conjunction with the bundle clamp) 0794 013333 Blower pipe from the top or the right.

  • Page 6: Setting Thread Tension

    2.3 Setting the Thread Tension There are 2 tensions to be set for each needle and bobbin thread at the tensioning units. The tension normal is always available. The tension enhanced is only switched on in the area of stitch condensing.

  • Page 8: Dart Depth

    2.5 Dart Depth The dart depth is dependent on: – the configuration set used – the dart length – the setting of the folding table The folding table is continuously adjustable between 0 - 10°. Example: With configuration set 0793 078001 the dart depth is: –...
  • Page 9 Work range dart Angle adjustment range Dart length (cm) Range of shapes Example with configuration set 0793 078001 and 0793 078002 (1) Dart depth max. 2,1 cm at 10°, Length 9,5 cm (2) Dart depth max. 0,4 cm at 0°, Length 9,5 cm (3) Configuration set 0793 078001 (4) Configuration set 0793 078002 Work range waist pleat...

  • Page 10: Setting The Insertion Depth Of The Folding Table

    2.7 Setting the Insertion Depth of the Folding Table The first stitch of the needle into the material should occur as close as possible to the front edge. In order to achieve a uniformly slim dart point with differing material thicknesses, the machine is equipped with a fine adjustment.

  • Page 11: Setting The Controls

    2.8 Setting the Controls The setting of the controls is explained in detail in Part 4: Microcontrol Summary ! At this point only those settings necessary for the sewing procedure are listed. Turn main switch on ! The programming of the controls occurs with the main switch turned on ! The machine is not to be started unintentionally.

  • Page 12: Positioning The Sewing Pieces

    2.9 Positioning the Sewing Pieces – Mark the dart depth on the fold plate 1 with thinnest possible smooth adhesive tape. – Place the sewing piece over the edge of the fold plate with both hands. – Bring the cut edges together with the right hand so that the edges match.

  • Page 13: Cleaning

    3. Maintenance of the Sewing Unit Caution Risk of Injury ! Turn main switch off. The maintenance of the sewing unit may only take place with the machine turned off. 3.1 Cleaning A clean machine protects against malfunctions ! Daily cleaning: –...

  • Page 14: Lubrication

    3.2 Lubrication The oil level of the sewing unit is to be checked weekly ! The inspection glass 2 must be half full. Fill up only with ESSO SP-NK 10 oil ( 1 = oil filler screw). SP-NK 10 can be obtained from the DÜRKOPP ADLER AG sales offices.

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