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Beisler 1281/5-1 Service Instructions Manual

Sewing unit for closing seams for trousers and skirts
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Download this manual See also: Instruction and Installation Manual
Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld
Telefon +49 (0) 521 / 9 25 23 40 • Telefax +49 (0) 521 / 9 25 25 83 • www.beisler-sewing.com
Ausgabe / Edition:
Änderungsindex
01/2011
Rev. index: 00.0
Sewing unit for closing seams
for trousers and skirts

Operating Instructions

Installation Instructions

Printed in Federal Republic of Germany
1281/5-1

Service Instructions

1
2
3
Teile-Nr./Part.-No.:
0791 128102

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Summary of Contents for Beisler 1281/5-1

  • Page 1: Operating Instructions

    1281/5-1 Sewing unit for closing seams for trousers and skirts Operating Instructions Installation Instructions Service Instructions Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld Telefon +49 (0) 521 / 9 25 23 40 • Telefax +49 (0) 521 / 9 25 25 83 • www.beisler-sewing.com Ausgabe / Edition: Änderungsindex Teile-Nr./Part.-No.:...
  • Page 2 All rights reserved. Property of Beisler GmbH and copyrighted. Reproduction or publication of the content in any manner, even in extracts, without prior written permission of Beisler GmbH, is prohibited. Copyright © Beisler GmbH - 2011...
  • Page 3 Foreword This instruction manual is intended to help the user to become familiar with the machine and take advantage of its application possibilities in accordance with the recommendations. The instruction manual contains important information on how to operate the machine securely, properly and economically. Observation of the instructions eliminates danger, reduces costs for repair and down-times, and increases the reliability and life of the machine.

  • Page 4: General Safety Instructions

    General safety instructions The non-observance of the following safety instructions can cause bodily injuries or damages to the machine. 1. The machine must only be commissioned in full knowledge of the instruction book and operated by persons with appropriate training. 2.

  • Page 5: Table Of Contents

    Content Page: Part 3: Service Instructions Class 1281/5-1 (Edition: 01/2011) General Information ..........Quick start guide for the sewing head Adjust the needle bar height .

  • Page 7: General Information

    General Information The service instructions at hand describe the adjustment of the seam closing unit 1281/5-1. It comprises: · Quick start guide for the sewing head · Service instructions for the sewing unit ATTENTION! The quick start guide represents an extract from the detailed operating instruction for the sewing head.

  • Page 8: Quick Start Guide For The Sewing Head

    Quick start guide for the sewing head 2.1 Adjusting the needle bar height Caution: Risk of Injury ! Switch off the main switch. Check and adjust the needle bar height only when the sewing unit is switched off. Regulation and Control At the upper dead center of the needle bar, the distance between needle point 4 and throat plate must be 9.7 - 9.9 mm.

  • Page 9: Adjust The Hook

    2.2 Adjusting the hook 2.2.1 Distance of the left hook from the needle 2,3 - 2,5 mm Caution: Risk of Injury ! Switch off the main switch. Check and adjust the hook only when the sewing unit is switched off. Adjustment crosswise from sewing direction Regulation and Control In the left reversal point of the hook 5, the distance between needle...
  • Page 10 2,3 - 2,5 mm 0 - 0,05 mm Adjustment in sewing direction Regulation and Control The distance between hook point 6 and needle 7 should be 0.0 to 0.05 mm. – Turn the hand wheel in the direction of rotation until the hook point is exactly at the needle center.

  • Page 11: Distance Of The Right Hook From The Needle

    2.2.2 Distance of the right hook from the needle Caution: Risk of Injury ! Switch off the main switch. Check and adjust the hook only when the sewing unit is switched off. Adjustment crosswise from sewing direction Regulation and Control When the right hook is at its upper reversal point, the distance between hook point 9 and needle center should be 4.3 to 4.5 mm.
  • Page 12 Adjustment in sewing direction Regulation and Control When the right hook crosses the left hook, the distance “A” should be 0.5 mm and the distance “B” should be 0.2 mm. Correction – Turn the hand wheel in the direction of rotation until the right hook crosses the left hook.

  • Page 13: Adjusting The Needle Guard

    2.3 Adjusting the needle guard 2.3.1 Rear needle guard Caution: Risk of Injury ! Switch off the main switch. Check and adjust the needle guard only when the sewing unit is switched off. Regulation and Control When the point of the left hook 3 is at needle center, the needle guard 1 should bear against the needle and a distance of 0.0 to 0.05 mm should be present between hook point and needle.

  • Page 14: Front Needle Guard

    2.3.2 Front needle guard Caution: Risk of Injury ! Switch off the main switch. Check and adjust the needle guard only when the sewing unit is switched off. Regulation and Control At the bottom dead center of the needle, the distance between needle guard 1 and needle should be 0.03 to 0.05 mm.

  • Page 15: Adjusting The Feed Dog

    2.4 Adjusting the feed dog 2.4.1 Feed dog position Caution: Risk of Injury ! Switch off the main switch. Check and adjust the feed dog position only when the sewing unit is switched off. Regulation and Control In their highest position, the feed dogs should be horizontal. –...

  • Page 16: Feed Dog Height

    2.4.2 Feed dog height Caution: Risk of Injury ! Switch off the main switch. Check and adjust the feed dog height only when the sewing unit is switched off. Regulation and Control When the feed dogs are in their highest position, the teeth of the main feed dog 4 should be 0.8 mm, the teeth of the differential feed dog 5 should be 0.9 to 1.0 mm and the teeth of the auxiliary feed dog 6 should be 0.6 to 0.7 mm above the upper edge of the throat plate.

  • Page 17: Presser Foot

    2.5 Presser foot 2.5.2 Presser foot upper part EXT 3216 Caution: Risk of Injury ! Switch off the main switch. Check and adjust the presser foot only when the sewing unit is switched off. Control When the piston rod 7 is extended, the lever 6 should bear against the screw 5 and the clearance under the sewing foot should be 4 mm.

  • Page 18: Presser Foot

    2.5.2 Presser foot Caution: Risk of Injury ! Switch off the main switch. Check and adjust the presser foot only when the sewing unit is switched off. Control The articulated sewing foot must be free of play and free-moving in its joints.

  • Page 19: Upper And Lower Knife

    2.6 Upper and lower knife 2.6.1 Changing and adjusting the upper knife Upper part EXT 3216-03/233K Caution: Risk of Injury ! Switch off the main switch. Check and adjust the upper knife only when the sewing unit is switched off. Control When the upper knife is in its lowest position, the front edge of the blade should be 0.5 to 1.0 mm below the throat plate upper edge.

  • Page 20: Changing And Adjusting The Lower Knife

    2.6.2 Changing and adjusting the lower knife Upper part EXT 3216-03/233K Caution: Risk of Injury ! Switch off the main switch. Check and adjust the upper knife only when the sewing unit is switched off. Control The blade of the lower knife should be flush against the upper edge of the throat plate.

  • Page 21: Thread Regulation Of Serging Looper

    2.7 Thread regulation of serging looper Caution: Risk of Injury ! Switch off the main switch. Check and adjust the thread regulation only when the sewing unit is switched off. Control The positions of the individual thread guides and/or thread pullers is dependent upon the material used, the sewing yarn and the stitch type.

  • Page 22: Adjusting The Sewing Unit

    Adjusting the sewing unit 3.1 Adjusting the light barrier Caution: Risk of Injury ! The light barrier is adjusted when the sewing unit is switched on. Perform the adjustment and functional test only with the greatest care. Align the light barrier The light barrier 2 should be leveled at the area 1 on the upper part.

  • Page 23: Adjusting The Workpiece Limit Stop

    3.2 Adjusting the workpiece limit stop Caution: Risk of Injury ! Switch off the main switch. Adjust the workpiece limit stop only when the sewing unit is switched off. Control The workpiece limit stop 2 must bear against the sewing foot 3 completely, in order that the fabric is not pulled up between the sewing foot 3 and the limit stop 2 while sewing.

  • Page 24: Adjusting The Contour Guide

    3.3 Adjusting the contour guide Caution: Risk of Injury ! Switch off the main switch. Adjust the contour guide only when the sewing unit is switched off. Control The contour guide 1 should advance until both the lays 2 are always guided securely while stitching down the contours.

  • Page 25: Direct Drive Sewing Mode

    3.4 Direct Drive Sewing Mode 2.4.2 Adjusting the reference Caution: Risk of Injury ! Switch off the main switch. Check and adjust the hook setting only when the sewing unit is switched off. Control If the needle is in the position “7 mm after the bottom dead center”, the drive belt should be applied such that the feather key 2 in the motor shaft points to the marking 1 in the motor housing.

  • Page 26: Lubrication

    Lubrication Caution: Risk of Injury ! Oil can induce skin rashes. Avoid long-term skin contact. Wash yourself thoroughly after contact. ATTENTION! The handling and disposal of mineral oils is subject to legal regulation. Deliver used oil to an authorised collection point. Protect your environment.

  • Page 27: Maintenance

    Maintenance Caution: Risk of Injury ! Switch off the main switch. The sewing unit may be serviced only when it is switched off. The maintenance jobs to be performed on a daily or weekly basis by the operating personnel at the workplace (cleaning and lubrication) are described in the operating instructions (Chapter 8).

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