Hohner UNIVERSAL 43/6 S Operating Instructions Manual
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Hohner UNIVERSAL 43/6 S Operating Instructions Manual

Narrow stitching head
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Spare parts list
E1
UNIVERSAL
43/6 S
Narrow Stitching Head
Edition 01/2008
CPB 9134121
Hohner Maschinenbau GmbH
Gänsäcker 19, 78532 Tuttlingen, Telefon 07462/9468-0, Telefax 07462/9468-20

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Summary of Contents for Hohner UNIVERSAL 43/6 S

  • Page 1 Spare parts list UNIVERSAL 43/6 S Narrow Stitching Head Edition 01/2008 CPB 9134121 Hohner Maschinenbau GmbH Gänsäcker 19, 78532 Tuttlingen, Telefon 07462/9468-0, Telefax 07462/9468-20...
  • Page 2 HK 43/6 S Hohner Maschinenbau GmbH...
  • Page 3 Customer Entries Stitching head no: ......Machine manufacturer: ......Type of manufacturer: ......Manufacturer' s Address Company name: Hohner Maschinenbau GmbH Street: Gänsäcker 19 Town: D-78532 Tuttlingen Telephone: +49 7462 / 9468-0 Fax: +49 7462 / 9468-20 Email: info@hohner-gmbh.de Internet: http://www.hohnerstitching.com...
  • Page 4 3.8.5 Fitting the slide ......................37 3.8.6 Setting the centering prism ..................37 Exchangeable parts ...................... 39 3.10 Procedure........................39 3.11 Adapting the stitch and leg length settings ..............39 4 SERVICING Lubrication........................41 HK 43/6 S Hohner Maschinenbau GmbH...
  • Page 5 4.2.5 Replacing the driver (normal stitch) ................51 4.2.6 Replacing the driver (loop stitch) ................51 4.2.7 Replacing the clincher....................53 5 FAULTS Causes and elimination of faults................... 54 7 LIST OF SPARE PARTS Hohner Maschinenbau GmbH HK 43/6 S...

  • Page 6: Safety Information

    These will help you to use all of the functions of the machine in an optimal manner. This symbol requires you to take action. • This sign serves as a symbol for listing items. HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 7: Obligation And Liability

    All safety and danger signs on the machine should be maintained in a legible condition and should be renewed where necessary. 1.9 Staff training Only trained and instructed personnel may install, operate, set and maintain the stitching head. Hohner Maschinenbau GmbH HK 43/6 S...

  • Page 8: Parts Of The Equipment Which Are Particularly Dangerous

    Substances and materials used (e.g. solvents and lubricants) must be handled correctly and disposed of in an environmentally friendly manner. HK 43/6 S Hohner Maschinenbau GmbH...
  • Page 9 Safety Information Hohner Maschinenbau GmbH HK 43/6 S...

  • Page 10: Description Of The Stitching Head

    Description of the Stitching Head 2 Description of the Stitching Head Fig. 1 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 11: General Overview

    1,5 kg / 3.31 lbs Quality of the stitching wire Only use perfect quality classes, in normal or steel strength as required. Pay attention to abrasion resistance, as heavy abrasion will clog the wire-guidance parts. Hohner Maschinenbau GmbH HK 43/6 S...

  • Page 12: Normal Stitch

    (Ø 0.024 - 0.020 in.) Stitching wire coil No. 26 - 28 Ø 0.50 - 0.40 mm (Ø 0.020 - 0.016 in.) Possible distances between wire stitches and stitch thicknesses in mm With holding down device HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 13: Loop Stitch

    Wire stitch dimensions Max. stitch thickness Stitching wire coil: No. 24 - 26 Ø 0.60 - 0.50 mm Ø 0.024 - 0.020 Possible distances between wire stitches and stitch thicknesses in With holding down device Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 14 Description of the Stitching Head Fig. 2 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 15: Dimensional Sheet

    Allen key with T-handle SW4 x 70 / SW4-150 46 64 098 / 46 00 033 Adjusting handle 94 64 115 Wire guide, complete according to machine manufacturer Clincher box, complete according to machine manufacturer Hohner Maschinenbau GmbH HK 43/6 S...

  • Page 16: Operation

    Operation 3 Operation Fig. 4 Middle of staple Fig. 5 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 17: Installation Of The Stitching Head

    - Remove stitching head. - Adjust set screws - Fit stitching head. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 18 Operation Fig. 6 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 19: Fitting The Wire Guide

    - Align wire guide to wire roller , in order to ensure perfect wire guidance. - Tighten knurled screw in order to fix the wire guide Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 20 Operation Fig. 7 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 21: Fitting The Clincher Box

    - Install slotted screws (and tenon block) laterally into the clincher box mounting rail - Slide clincher box beneath the center of the stitching head. - Fix clincher box by tightening the locking nuts (and locking screws). Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 22 Operation Fig. 8a Fig. 8b Fig. 8c HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 23: Adjusting The Clincher Box

    The clincher box can be precisely aligned by aligning the gauge with the scale graduation marks. - Tighten clamping nut and remove gauge . Fit in former. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 24 Operation Fig. 9 Fig. 10 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 25: Feeding The Stitching Wire

    (slotted or Torx screw) and remove wire guide tubes - Disentangle wire and remove from wire guide tubes. - Press adjusting disk on wire return lock downwards in order to eliminate its clamping effect and pull wire out. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 26 Operation Fig. 11 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 27: Straighten The Stitching Wire

    - Turn eccentric fixing of the wire alignment roller with the screwdriver until the stitching wire runs absolutely straight out of the circular knife. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 28 Operation Fig. 12 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 29: Setting The Stitch Length

    (+), or less wire can be fed by turning the knob clockwise (-) (cf. scale 1 revolution of the knob feeds around 1,6 mm wire. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 30 Operation Fig. 13 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 31: Setting The Leg Length Of The Stitch

    Normal stitch move thumbwheel down move thumbwheel up until the gap is centered until gap is centered Loop stitch move thumbwheel down move thumbwheel up until the gap is centered until gap is centered Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 32 Operation View X Fig. 14 Fig. 15 Fig. 16 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 33: Setting The Former

    - Loosen the clamping screw - Turn the eccentric former stop until precisely aligned. - Tighten the clamping screw When changing the stitching wire thickness, the former setting should be checked and corrected if necessary. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 34 Operation correct incorrect incorrect Fig. 17 Centering device – „old“ model incorrect Fig. 18 a correct Fig. 18 b Fig. 18 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 35: Spine Centering Parts

    - Move centring V-block far enough backwards or forwards so that it is precisely aligned with the V-block of the slide (see Fig. 18b) Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 36 Operation Centering device – „new“ model incorrect incorrect correct Fig. 19 Fig. 19 b Fig. 19 a HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 37: Fitting The Holding Down Device - "New" Model

    - Shift the centering prism until it is aligned with the slide prism - Correct if necessary after having carried out test stitches. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 38 Changeover (stitch type) Converting the stitching head (standard stitch / loop stitch) Exchangeable parts for loop stitch Fig. 20 Fig. 20a Exchangeable parts for standard stitch Fig. 21 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 39: Exchangeable Parts

    - Install and set stitching head. 3.11 Adapting the stitch and leg length settings As the loop stitch requires a longer wire piece, a new setting is required for the stitch and leg length (cf. 3.6). Hohner Maschinenbau GmbH HK 43/6 S...

  • Page 40: Servicing

    Servicing 4 Servicing Fig. 22 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 41: Lubrication

    Guideway oil with viscosity class 65-70 (ISO- viscosity class in accordance with DIN 51 519). 4.1.2 Lubrication plan Date Operating hours Oil or grease used Performed by: status - display on Name stitching unit Signature Hohner Maschinenbau GmbH HK 43/6 S...

  • Page 42: Installation And Replacement Of Parts

    Servicing 4.2 Installation and replacement of parts Fig. 23 Fig. 24 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 43: Replacing The Former

    4.2.1 Replacing the former - Fig. 23, Fig. 24 - - Turn leaf spring to the side and remove former forwards. Installation is performed in the reverse. - Adjust former according to Chap. 3.7. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 44 Servicing Fig. 25 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 45: Removing The Bender Stop

    Installation is performed in the inverse order. - First, screw in the screw lightly. - Reset the slide by moving it to the read off scale value (arrow). - Tighten the screw. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 46 Servicing Fig. 26 Fig. 27 Fig. 28 Fig. 29 Fig. 30 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 47: Replacing The Bender

    - Turn pin retainer by 90° (arrow D) and remove. - Remove actuating pin with spring. Installation is performed in the inverse order. - After fitting always check that the pin retainer and limiter pin operate smoothly. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 48 Servicing Fig. 31 Fig. 32 Fig. 33 Fig. 34 Fig. 35 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 49: Replacing The Knife

    "levering" with a screwdriver. - Tighten clamping screw If the distance between the knives is set too close the knife slider 5 may block and cause a wire jam. Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 50 Servicing Fig. 36 Fig. 37 Fig. 38 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 51: Replacing The Driver (Normal Stitch)

    Round wire no. 24 - 26 Driver -L-: 31 64 412 with bender -L-: 31 64 441 Loop stitch - L8 -: Round wire no. 24 - 26 Driver -L-: 31 64 676 with bender -L-: 31 64 679 Hohner Maschinenbau GmbH HK 43/6 S...
  • Page 52 Servicing Fig. 39 HK 43/6 S Hohner Maschinenbau GmbH...

  • Page 53: Replacing The Clincher

    Remove clincher pusher downwards. Turn clincher upwards in the clincher box remove from retention pin . Push new clincher onto retention pin and turn to the center of the clincher box. Replace clincher pusher. Hohner Maschinenbau GmbH HK 43/6 S...

  • Page 54: Faults

    4.2.5. - Shoe tongue pressure too weak: remove obstructing pieces of wire or replace pressure spring in shoe tongue. - Align clincher box, cf. 3.1.4. HK 43/6 S Hohner Maschinenbau GmbH...
  • Page 55 - Weak leaf spring on former cover. pieces fall out: - Wire not aligned, cf. 3.5. - Former set incorrectly, cf. 4.2.1. Remedy for faults: You will find most faults and their causes in the loop stitching preceding section. Hohner Maschinenbau GmbH HK 43/6 S...

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