Strobel 325-40D-TP Operating Instructions Manual
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Strobel 325-40D-TP Operating Instructions Manual

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For the professional user
Für den professionellen Anwender
Operating Instructions
Betriebsanleitung
Class:
Klasse:
Model:
Ausführung:
Dated:
Stand:
325-40D-TP
9
S p e z i a l m a s c h i n e n G m b H

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Summary of Contents for Strobel 325-40D-TP

  • Page 1 For the professional user Operating Instructions Für den professionellen Anwender Betriebsanleitung Class: 325-40D-TP Klasse: Model: Ausführung: Dated: Stand: S p e z i a l m a s c h i n e n G m b H...
  • Page 2 The sign of quality ou find the Strobel trademark on every Strobel machine leaving our works. And with good reason. This symbol is a guarantee of the high quality of our products. Quality which creates trust – trust in our technology, our service and, not least of all, in our good name.
  • Page 3 Justify your trust. If you wish to profit from the performance and efficiency of your Strobel machine as long as possible, exact handling and thorough care is necessary. For this reason we kindly request that you read the operating instructions closely.
  • Page 5 BA_325-40D-TP_A9_180704_en...
  • Page 6 BA_325-40D-TP_A9_180704_en...

  • Page 7: Table Of Contents

    Operating Instructions STROBEL Class 325-40D-TP Contents General notes on safety .................... 5 General ........................7 Operating instructions ..................7 Class description, machine number and reference position ......7 Machine applications ..................7 Technical data ....................8 Set-up and commissioning ..................9 Unpacking of the machine ................
  • Page 8 Operating the sewing machine ................23 Switch-on ...................... 23 Inserting and removing material ..............24 Sewing ......................24 Problems during sewing and possible solutions ........... 25 Incorrect stitches ..................27 Machine maintenance ..................... 28 Variable sewing tools ....................28 Optional extras ......................28 Subject to change with prior notice BA_325-40D-TP_A9_180704_en...

  • Page 9: General Notes On Safety

    General notes on safety Every person in charge of setting up, operating, servicing and repairing the machine must first read and understand the operating instructions and particularly the safety instructions before starting up the machine. Failure to comply with the following safety instructions can lead to bodily injury or damage to the machine.
  • Page 10 14. Warning instructions given in the operating instructions that pertain to especially dangerous parts of the machine must be indicated at these positions using a safety symbol. Warning instructions given in the operating instructions that pertain to special injury hazards for operating personnel or technicians must be indicated at these positions using a safety symbol.

  • Page 11: General

    General Operating instructions Any person involved in the installation, operation, maintenance and repair of the machine must have read and understood the operating instructions and mainly the safety instructions before starting the machine. Class description, machine number and reference position For side-referenced descriptions, the operating side of the machine is the starting base.

  • Page 12: Technical Data

    Technical data Recommanded rated speed 1300 min Motor power 550 W Toothed belt pulley/machine Z = 38 Toothed belt profile HTD 5M-9 Stitch length-upper feed 2 – 8 mm (depend on shoulder pad) Kind of stitch: two thread blindstitch double lockstitch Stitch type Needle system GROZ-BECKERT 1717 VRUE...

  • Page 13: Set-Up And Commissioning

    Set-up and commissioning Unpacking of the machine Strobel machines are supplied either complete as upper part only. The cotton stand and another machine accessories are located in the packaging. Prior to disposing of the packing material it must be carefully checked whether all accessories parts have been unpacked.
  • Page 14 Fig. 1 BA_325-40D-TP_A9_180704_en...
  • Page 15 The cotton stand is mounted at the back on the right on the table plate after assembly of the individual parts. (Fig. 1) Check all screws at the frame for tight fit and retighten if necessary. Mount the position transmitter and adjust corresponding to point 3.4.2 Positions of the machine.

  • Page 16: Sense Of Rotation Of The Machine (Fig. 3)

    Sense of rotation of the machine (Fig. 3) The correct rotation of the hand wheel is clockwise when looking at it from the front. Fig. 3 Motor drive via toothed belt 3.4.1 Tensioning the toothed belt (Fig. 4) C A U T I O N ! Danger of injury! To check the tension of the toothed belt, switch off the machine electrically, pull the mains plug and ensure the machine has actually stopped by pressing the motor pedal.

  • Page 17: Positions Of The Machine

    Fig. 4 3.4.2 Positions of the machine C A U T I O N ! Danger of injury! Danger of pulling in parts of clothing and of hair and danger of crushing fingers and stitching fingers with needles! When checking positions with switched-on machine keep fingers and hands away from moving parts.

  • Page 18: Intermediate Venting (Fig. 5)

    Intermediate venting (Fig. 5) If an intermediate venting with the knee lever should become necessary with attached pneumatic venting, it can be mounted on the shaft (1) in its usual position. Fig. 5 BA_325-40D-TP_A9_180704_en...

  • Page 19: Notes On Usage

    Notes on usage Needles and threads The sewing quality can be influenced to a considerable extent by choosing the most suitable needles and threads for the material to be sewn. It is recommended to use controlled GROZ-BECKERT needles system 1717 VRUE only.

  • Page 20: Threading And Thread Course

    Fig. 6 Threading and thread course A T T E N T I O N ! Danger of bodily injuries! Switch off machine electrically and confirm that the machine is really in standstill position by operating the treadle for the motor control before threading. Fig.

  • Page 21: Filling The Bobbin (Fig. 7)

    Filling the Bobbin (Fig. 7) Fig. 7 shows how the thread should run when the bobbin is filled. Take care to avoid too much thread being wound on to the bobbin or the upper and lower discs of the bobbin being forced apart. Damaged or bent bobbins should be replaced immediately.

  • Page 22: Thread Tension

    Fig. 8 Thread tension Depending on thread and fabric, nature and thickness the thread tension is set by adjusting thread tension. 4.5.1 Thread tensioning spring - needle thread (Fig. 9) The range of movement of the thread tensioning spring (3) can be limited or extended by slackening the right threaded pin (1) and turning the empty bobbin (2).

  • Page 23: Thread Tension - Bobbin Thread (Fig. 10)

    4.5.2 Thread tension - bobbin thread (Fig. 10) The leaf spring (2) regulates the bobbin thread tension. By turning the flat-head screw with catch (1), the leaf spring must be adjusted in such a way that when the bobbin is inserted, and the thread is correctly pulled under the leaf spring and the bobbin case is released, the latter, together with the bobbin drops slowly down.

  • Page 24: Stitch Depth

    Fig. 11 Stitch depth Stitch depth means the distance between the highest plunger position and the outer radius of the needle. The plunger forces the sewn item from underneath into the needle plate opening, so that the needle penetrates the layers of material to the desired depth.

  • Page 25: Digital Stitch Depth Display (Fig. 12)

    4.8.2 Digital stitch depth display (Fig. 12) If a digital stitch depth display is mounted, the plunger height is indicated digitally, thus facilitating the work considerably, especially when the material thickness changes frequently, because the required plunger height can be reset easily.

  • Page 26: Adjusting Plunger (Fig. 1)

    Adjusting plunger (Fig. 1) The plunger pushes the material through the opening in the stitch plate so that the needle penetrates the cloth to the required depth; The plunger can be raised or lowered according to the thickness of the cloth by means of the stitch depth adjusting knob.

  • Page 27: Operating The Sewing Machine

    Operating the sewing machine C A U T I O N ! Danger of injury! Take sufficient care during sewing and observe the sewing area! Otherwise there is a danger of injury through crushing and needle through-stitches. For machines with 2 pedals: push down the left pedal fully increases the top feed length (multi-width take-up).

  • Page 28: Inserting And Removing Material

    Inserting and removing material With needle in its highest positions operate knee lever to move feed plate and plunger downwards. At the same time tension of the needle thread is released. Place the material between stitch plate and feed plate. The material cannot be removed until the last stitch has been completed, the needle thread loop has fallen from the hook and the needle is again in its highest position.

  • Page 29: Problems During Sewing And Possible Solutions

    Problems during sewing and possible solutions A T T E N T I O N ! Switch off machine electrically and confirm that the machine is really in standstill position by operating the treadle for the motor control. Otherwise danger of finger bruises and needle throughstitches.
  • Page 30 • Uneven stitching Possible causes: frequently worn or damaged needles height of needle plate or needle slide plate incorrectly adjusted unsuitable needle thickness (too thin) Remedy: Replace damaged needle. Check adjustments and correct if necessary. Use correct needle thickness. • Missing loops Possible causes: incorrectly adjusted or badly adjusted shuttle...

  • Page 31: Incorrect Stitches

    • The sewing result does not come up to your expectations Possible causes: Damaged sewing tools or wear caused by improper use or natural wear following long use of machine. The machine has become mechanically misadjusted Unsuitable needle thickness (see “4.1 Needles and threads”) Unsuitable sewing thread (see “4.1 Needles and threads”).

  • Page 32: Machine Maintenance

    Machine maintenance C A U T I O N ! Danger of injury! Disconnect the machine from the mains and ensure that it is off by pressing the pedal for switching the motor. Otherwise there is a danger of injury through crushing and needle stitches.
  • Page 33 Und wir können noch mehr für Sie tun! Unser Lieferprogramm bietet für jede Branche und jegliche Anforderung genau die richtige Problemlösung. And we can do a lot more for you! Our range offers the correct problem solution for every branch and for all requirements. Für die Bekleidungs- Für die Schuh- Für die Polster-...
  • Page 34 Then phone, write or simply come and see us. You can have further information about our products at any time, or experience the Strobel machines live in our show room. We’re looking forward to meeting you! Spe zi a l ma s c hine n G m bH...

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