Durkopp Adler 4180 Handleiding

Durkopp Adler Naaimachine 4180

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Instructions for service

4180 - 1

Minerva Boskovice, a.s., Sokolská 60, CZ - 680 17 Boskovice

Tel.: +420-501-453434, 453433, 494111 Fax: +420-501-452165 http://www.minerva-boskovice.com

Edition: 06/2001 Printed in Czech Republic 735 342 000 405

CONTENTS:

1. General safety instructions ............................................................................................................................................... 1

2. Introduction .......................................................................................................................................................................... 1

3. Head of the sewing machine .............................................................................................................................................. 2

3. 1 Hook and hook post ................................................................................................................................................................. 2

.. 3.1.1 Description

3.1.2 Height setting of the hook

3.1.3 Setting the distance of the hook from the needle

3.1.4 Angular setting of the hook (timing)

3.1.5 Protection of the needle and of the hook point

3.1.6 Setting of the bobbin case opener

3.1.7 Setting the regulation of the hook lubrication

3.1.8 Replacement of the hook

3.1.9 Setting the gear

3.1.10 Dismantling of the hook post

3.2 Needle and thread mechanism ................................................................................................................................. 5

3.2.1 Description

3.2.2 To check the handwheel angular adjustment

3.2.3 Height setting of the needle bar

3.2.4 Angular setting of the pin of the thread mechanism

3.2.5 Side setting of the needle bar holder

3.3 Throat plate and its post ......................................................................................................................................... 7

3.3.1 Description

3.3.2 Mounting and removing the throat plate and its insert

3.3.3 Setting the needle (the needle bar holder) in the direction of sewing (fine setting)

3.3.4 Side setting of the throat plate post

3.4 Thread tensioners and limiter ................................................................................................................................. 8

3.4.1 Description

3.4.2 Setting the tension of main and auxiliary tensioners

3.4.3 Setting the tensioning mechanism of the main tensioner

3.4.4 Setting the adapting spring

3.4.5 Setting the thread limiter

3.5 Feeding mechanism of the needle feed and of the lower feed wheel ........................................................................ 10

3.5.1 Description

3.5.2 Stitch length mechanism

3.5.2.1 Setting the upper eccentric

3.5.2.2 Setting the prop

3.5.2.3 a Forward and rearward stitch length distribution (rough)

3.5.2.3 b Forward and rearward stitch length distribution (fine)

3.5.2.4 Setting of the control knob (including the stitch length limitation)

3.5.3 Setting the needle feed (rough)

3.5.4 Lower feed wheel

3.5.4.1 Feeding clutches

3.5.4.1.1 Description

3.5.4.1.2 Setting the lever of the second step of feeding(angle, position)

3.5.4.1.3 Setting of the lower eccentric

3.5.4.1.4 Setting the engagement and disengagement of the clutches

3.5.4.2 Wheel feeder and its post

3.5.4.2.1 Setting the chain wheel

3.5.4.2.2 Height setting of the feeder and tensioning of the chain

3.5.4.2.3 Replacement of the feeder

3.5.5 Setting the top roller (pressing force, height)

3.6 Feeding mechanism of the top roller ....................................................................................................................15

3.6.1 Description

3.6.2 Side setting of the indented lower pulley

3.6.3 Side setting of the indented upper pulley

3.6.4 Setting the tensioning roller

3.6.5 Replacement of the indented belt

3.6.6 Setting the feeding difference

3.6.7 Replacement of the friction wheels of the drive conversion unit

3.6.8 Top roller

3.6.8.1 Selection of the top roller diameter

3.6.8.2 Forward, rearward and side setting

3.6.8.3 Setting the gear clearance

3.6.8.4 Replacement of the top roller

3.7 Setting the presser foot lift .................................................................................................................................... 19

3.8 Bobbin winder ....................................................................................................................................................... 20

3.8.1 Description

3.8.2 Setting the bobbin winder stop

3.8.3 Setting the friction gear

3.9 Safety clutch .......................................................................................................................................................... 21

3.9.1 Description

3.9.2 Setting the disengaging moment

3.10 Indented belt transmission ................................................................................................................................... 21

3.10.1 Setting the tensioning roller of the indented belt

3.10.2 Replacing the indented belt

3.11 V-belt, motor - head .............................................................................................................................................. 22

3.11.1 Tensioning

3.11.2 Replacing the V-Belt

3.12 Driving toothed belt ............................................................................................................................................................... 22

3.12.1 To exchange the driving toothed belt

3.13 Lubrication .............................................................................................................................................................................. 23

3.13.1 Description

3.13.2 Refilling oil

3.13.3 Multiple oil use

4. Thread trimming ............................................................................................................................................................................... 24

4.1 Description of the trimming mechanism

4.2 Setting the pickup roller

4.3 Setting the cam

4.4 Setting the fork

4.5 Setting the moving knife

4.6 Setting the height of the fixed knife and of the retaining spring of the lower thread

4.7 Setting the fixed knife

4.8 Setting the retaining spring of the hook thread

4.9 Setting switching of the electromagnets

5. Lifting the top roller by electromagnet ....................................................................................................................................... 26

5.1 Description

5.2 Setting the electromagnet pin

5.3 Setting the electromagnet current

5.4 Assembly of the top roller lifting electromagnet

6. Backtacking using electromagnet .................................................................................................................................... 27

6.1 Description

6.2 Electromagnet height setting

6.3 Setting the position of push-buttons

6.4 Change of the function of push-buttons

7. Connecting the electric elements on the machine head ................................................................................................ 28

8. Drive, control panel, position sensor ........................................................................................................................... 28

9. Lighting ........................................................................................................................................................................... 28

9.1 Mounting on the machine head

9.2 Lamp replacement

10. Maintenance (table of operations) ................................................................................................................................. 29

11. Setting the machine according to the sewing category .................................................................................................. 29

11.1 Introduction

11.2 Table of setting the machine according to the sewing category