Strobel 170-22D Operating Instructions Manual
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Strobel 170-22D Operating Instructions Manual

14 series
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For the professional user
Für den professionellen Anwender
Operating Instructions
Betriebsanleitung
Class:
Klasse:
Model:
Ausführung:
Dated:
Stand:
170-22D
14
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 170-22D

  • Page 1 For the professional user Operating Instructions Für den professionellen Anwender Betriebsanleitung Class: 170-22D 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.
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  • Page 7: Table Of Contents

    Operating instructions STROBEL Class 170-22 Contents General notes on safety .................... 5 General ........................7 Operating instructions ..................7 Class identification, serial number and orientation of the machine ....7 Range of applications ..................7 Technical data ....................8 Installation and putting into service ................9 Unpacking the machine ..................
  • Page 8 Operating the machine .................... 24 General ......................24 Switching on ....................24 Placing and removing the fabric - sewing process ........24 Sewing ......................26 5.4.1 Blindstitch hemming ................. 26 5.4.2 Attaching the trouser waistband lining (Fig. 13) ....... 27 5.4.3 Attaching facings ................

  • 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 identification, serial number and orientation of the machine The operating side of the machine is the basis for descriptions referring to sides.

  • Page 12: Technical Data

    Technical data Recommended rated speed: 3200 min Machine pulley diameter dw 80 mm Min. motor power 550 W V-belt profile 10 x 6 mm Toothed belt pulley/machine Z=38 Toothed belt profile HTD 5M-9 Stitch length-upper feed 5 - 8 mm (depend on fabric) Kind of stitch single thread chain stitch blind stitch...

  • Page 13: Installation And Putting Into Service

    Installation and putting into service Unpacking the machine Strobel machines are supplied either as complete units with head, stand and motor, or head with compact-motor only, or the head only. Due to the high weight and to avoid damages during transport, complete units are packed in several smaller cartons.
  • Page 14 Fig. 1 Make sure that all screws on the stand are tight and retighten them, if necessary. The position generator must be fitted if available. The correct position to the flange (handwheel) is marked with a spot of paint. Both clamping screws must be tightened firmly.

  • Page 15: Sense Of Rotation

    Sense of Rotation The correct turning of the hand wheel is clockwise in line of vision on the hand wheel. Motor drive via V-belts 3.4.1 Tensioning the V-belt C a u t i o n ! Danger of injury! When checking the belt tension, switch off the machine at the mains.
  • Page 16 Fig. 2 With positioning with plunger reset, the motor reverses after thread cutting for a certain value, to facilitate the insertion of the sewing matter. This does not affect the setting of the position generator. BA_170-22D_A14_180704_en...
  • Page 17 Machine with or without thread cutter: The machine requires a needle position and, depending on the sewing drive, possibly also a reference position. Reference (Fig. 3): The reference position must be set in such a way, that the point of the needle in the direction of the insertion stitch closes with the right (inner) edge of the needle slide plate.

  • Page 18: Motor Drive Via Toothed Belt

    Motor drive via toothed belt 3.5.1 Tensioning the toothed belt (Fig. 5) C A U T I O N ! Danger of injury! Switch off the machine at the mains when checking the belt tension. Do not operate the machine without belt guard. Otherwise DANGER of crushing fingers, of injuries to the body or of pulling in of part of clothing.

  • Page 19: Positions Of The Machine

    3.5.2 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 20: Instructions For Use

    Instructions for use 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 1669 EEO or system 4669 EEO only.

  • Page 21: Threading And Thread Course

    Threading and thread course A T T E N T I O N ! Danger of body 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 22: Stitch Depth Regulator

    Stitch depth regulator 4.6.1 General By means of the stitch depth regulator you can adjust the distance between the upper edge of the plunger and the needle radius, i.e. the distance the plunger is lifted or lowered depending on the material thickness. This determines the depth the needle penetrates the fabric layers hold between plunger and cloth retainer.

  • Page 23: Plunger Limit Stop

    Fig. 7 Plunger limit stop 4.7.1 General (Fig. 8) A T T E N T I O N ! Danger of finger bruises through unintended actuation of the treadle during setting works in the needle plate area. The needle plate is upped with a cloth retainer which holds the fabric on the plunger during the time of needle penetration.

  • Page 24: Setting The Plunger Limit Stop For Sewing Over Cross Seams (Fig. 8)

    Fig. 8 4.7.2 Setting the plunger limit stop for sewing over cross seams (Fig. 8) The cloth retainer stroke is set by means of a knurled nut (2) Fig. 8 which serves as upper limit stop. To set the stroke place the material (a normal fabric layer without cross seam).

  • Page 25: Setting The Automatic Plunger (Fig. 9)

    4.7.3 Setting the automatic plunger (Fig. 9) Due to the diversity of the goods to be processed it can become necessary to adjust the resistance of the plunger plate (1) under spring pressure up or down. This is carried out by altering the pretension of the tension spring (2) Fig.

  • Page 26: Material Feed

    Material feed 4.8.1 General The fabric is fed by means of a rigid upper feed. The feed (stitch length) is adjustable in 4 steps from 5 to 8 mm. Standard equipment is a saw-teethed feed dog which can be replaced by a pyramid -teethed feed dog. 4.8.2 Setting the stitch length (Fig.

  • Page 27: Motor

    Motor General: A stop motor (DC 1500) is available for driving the sewing machine. A needle positioning motor is needed for an exact machine positioning and to operate the electromechanical thread trimmer and pneumatic lifting. Please observe the operating instructions of the sewing drive supplied with the machine where you will find instructions to program the control and the motor speed.

  • Page 28: Operating The Machine

    Operating the machine General It is recommended to equip the machine with a pneumatic lifting device to facilitate machine handling (please see “ 8.2 Pneumatic lifting”). A T T E N T I O N ! Please observe the sewing area carefully during sewing. Otherwise danger of finger bruises and needle throughstitches.
  • Page 29 Fig. 10 BA_170-22D_A14_180704_en...

  • Page 30: Sewing

    Sewing The machines of the 170 series create blindstitch hemming. The special applications of the corresponding subclasses are described under “ 2.3 Range of applications”. The sewing result should be an elastic seam free of marks. Depending on fabric quality the sewing requires a certain skill. The following instructions will help the operator to obtain this skill.

  • Page 31: Attaching The Trouser Waistband Lining (Fig. 13)

    Fig. 11 Fig. 12 5.4.2 Attaching the trouser waistband lining (Fig. 13) For this operation a needle plate with wide opening is recommended since usually different fabric layers have to be sewn. Also the rounded-off plunger is recommended for this operation (point “ 7 Variable sewing tools”) to avoid marks at the outer fabric side.

  • Page 32: Attaching Facings

    Fig. 13 5.4.3 Attaching facings This operation is shown in Fig. 14. Fig. 14 BA_170-22D_A14_180704_en...

  • Page 33: 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 34 • Unintended skip stitching Possible reasons: wrong looper setting wrong setting of loop stroke/needle stroke, therefore insufficient loop formation (small/big) chaining finger damaged or not correctly set wrong setting of cloth retainer or cloth retainer pressure Solutions: operate machine manually, check the looper motion check the settings, re-set, if necessary, replace damaged parts change thread feed through thread take-up, if necessary •...
  • Page 35 • Material feed problems (stitch length different from settings) Possible reasons: feed dog setting is not correct, material cannot be caught sufficiently. unsuitable feed dog toothing different pressures on the left and right hand feed plates feed plates lift is blocked material accumulation in the needle plate, mainly over cross seams seam or loop are caught by the feed dog unintended stitch length modification...

  • Page 36: Machine Maintenance

    Machine maintenance General Most of the bearings of the machine are maintenancefree. Apply one drop of sewing machine oil (oil is supplied wit the accessories) every 20 operating hours or at least once a week to the red marked points and oil borings. Release the machine head's slotted pan-head screw and remove cover to lubricate looper link and the screw.
  • Page 37 Cl. 170-22 Needle plate Standard Optional 6,0 mm opening 4,5 mm opening 480.0254 480.0256 Cloth retainer Optional Standard Optional Standard 288.0216 ∧ 288.0215 288.0214 288.0213 (included in 480.0256) Stitch formation Feed dog Standard Optional 182.0301 182.0305 BA_170-22D_A14_180704_en...
  • Page 38 Cl. 170-22 Needle plate Optional 7,0 mm opening 480.0257 Cloth retainer Optional Standard 288.0225 ∧ 288.0217 (included in 480.0257) Stitch formation Feed dog Standard Optional 182.0301 182.0305 BA_170-22D_A14_180704_en...

  • Page 39: Optional Extras

    Optional extras The following devices are available as optional extras and can be ordered together with the machine or as separate kits. Thread trimmer 798.0496 electromechanical thread trimmer Prerequisite here is use of the EFKA Kompakt DC 1500 Pneumatic lifting The use of a pneumatic lifting is only recommended if the machine is equipped with a needle positioning motor.
  • Page 41 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 42 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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