Duerkopp Adler 910 Service Instructions Manual
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Duerkopp Adler 910 Service Instructions Manual

Duerkopp Adler 910 Service Instructions Manual

Cnc sewing unit for free seam contours
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Download this manual See also: Instruction and Installation Manual
CNC-Nähanlage für freie Nahtkonturen
CNC sewing unit for free seam contours
Aufstellanleitung / Installation Instructions
Postfach 17 03 51, D-33703 Bielefeld Ÿ Potsdamer Straße 190, D-33719 Bielefeld
Telefon +49 (0) 5 21/ 59 25-00 Ÿ Telefax +49 (0) 5 21/ 9 25 24 35 Ÿ www.duerkopp-adler.com
Ausgabe / Edition:
Änderungsindex
04/2007
Rev. index: 01.0
Bedienanleitung / Operating Instructions
Serviceanleitung /
Printed in Federal Republic of Germany
910
Service Instructions
1
2
3
Deutsch/Englisch
Teile-Nr.:/Part-No.:
0791 910001

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Summary of Contents for Duerkopp Adler 910

  • Page 1 CNC-Nähanlage für freie Nahtkonturen CNC sewing unit for free seam contours Bedienanleitung / Operating Instructions Aufstellanleitung / Installation Instructions Serviceanleitung / Service Instructions Postfach 17 03 51, D-33703 Bielefeld Ÿ Potsdamer Straße 190, D-33719 Bielefeld Deutsch/Englisch Telefon +49 (0) 5 21/ 59 25-00 Ÿ Telefax +49 (0) 5 21/ 9 25 24 35 Ÿ www.duerkopp-adler.com Ausgabe / Edition: Änderungsindex Teile-Nr.:/Part-No.:...
  • Page 2 Alle Rechte vorbehalten. Eigentum der Dürkopp Adler AG und urheberrechtlich geschützt. Jede, auch auszugsweise Wiederverwendung dieser Inhalte ist ohne vorheriges schriftliches Einverständnis der Dürkopp Adler AG verboten. All rights reserved. Property of Dürkopp Adler AG and copyrighted. Reproduction or publication of the content in any manner, even in extracts, without prior written permission of Dürkopp Adler AG, is prohibited.
  • 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

    Index Page: Part 3: Service Instructions for the Class 910 (Edition: 04/2007) General notes ..........Arm shaft Preparatory adjustment work .
  • Page 6 Index Page: Material feed Drive and motor positioning ........Reference position .

  • Page 7: General Notes

    General notes These service instructions describe the adjustments that can be made to the sewing unit 910. ATTENTION! The operations described in these service instructions may only be carried out by qualified staff or other appropriately trained persons! Caution: danger of injury! Always switch off main switch before any repair, alteration or maintenance.

  • Page 8: Arm Shaft

    Arm shaft 2.1 Preparatory adjustment work Some of the adjustments at the arm shaft 1 can be carried more easily if the thread trimming mechanism 3 is removed. Caution: danger of injury! Switch off the main switch. Remove and mount thread trimming mechanism only when the sewing unit is switched off.

  • Page 9: Assembly Of The Crank

    2.2 Assembly of the crank Caution: danger of injury! Turn off the main switch. Remove and mount crank only when the sewing unit is switched off. Important The crank 4 has to be mounted on the arm shaft 1 in such a way that the pivot 3 of the screw 2 reaches into the drill-hole on the arm shaft.

  • Page 10: Arm Shaft Positioning

    2.3 Arm shaft positioning Caution: danger of injury! Turn off the main switch. Check and adjust position of the arm shaft only when the sewing unit is switched off. Note and control The arm shaft 1 should have no axial backlash, but it must not move too sluggishly.
  • Page 11 – Loosen screws at the bobbin winder wheel 3. (For adjustment, see section 2.5). – Tighten screws at the adjusting ring 4. – Tighten screws at eccentric 5. For adjustment, see section 2.7). – Tighten screws at the bevel gear 6. (For adjustment, see section 2.4).

  • Page 12: Bevel Gear For The Hand Wheel

    2.4 Bevel gear for the hand wheel Caution: danger of injury! Turn off the main switch. Check and adjust bevel gear only when the sewing unit is switched off. Note and control The bevel gear 1 has to be positioned on the upper shaft in such a way that when the handwheel 2 is engaged there is as little clearance as possible between bevel gear 1 and bevel gear 3.

  • Page 13: Adjust Bobbin Winder

    2.5 Adjust bobbin winder 11 mm Caution: danger of injury! Turn off the main switch. Check and adjust bobbin winder only when the sewing unit is switched off. Important The bobbin winding operation must stop automatically when the bobbin is filled up to approx. 0.3 mm below the edge of the bobbin. Preset for bobbin winder wheel –...

  • Page 14: Thread-Trimmer Cam

    2.6 Thread-trimmer cam Caution: danger of injury! Turn off the main switch. Check and adjust thread trimmer cam only when the sewing unit is switched off. Note and control The correct position of the thread trimmer cam 1 is marked by a point on the upper shaft 2 and a line 5 on the thread trimmer cam 1.

  • Page 15: Sewing Foot Hub Eccentric

    2.7 Sewing foot hub eccentric Caution: danger of injury! Turn off the main switch. Check and adjust hub eccentric cam only when the sewing unit is switched off. Note and control The correct position of the sewing foot hub eccentric 1 is marked by a point 5 on the upper shaft 2 and a point 6 on the hub eccentric 1.

  • Page 16: Crankshaft Drive To The Hook Shaft

    2.8 Crankshaft drive to the hook shaft Caution: danger of injury! Turn off the main switch. Check and adjust crankshaft only when the sewing unit is switched off. Note and control The arm shaft and the hook shaft are connected by the connecting rod 3 gripping into the crank 2 of the upper shaft.

  • Page 17: Sewing Motor Clutch

    2.9 Sewing motor clutch Caution: danger of injury! Turn off the main switch. Check and adjust sewing motor clutch only when the sewing unit is switched off. Note and control Both clutch halves 1 and 3 must be positioned in such a way that they abut the knobs of cam 2 on the left or right.

  • Page 18: Reference Position Of The Sewing Motor

    2.10 Reference position of the sewing motor 2.10.1 Position of the initiator Caution: danger of injury! Turn off the main switch. If the sewing unit is turned on, use great caution when making adjustments and checking the initiator. Note and control The distance between the initiator 2 and the reference disc 3 should be kept as small as possible.

  • Page 19: Adjust Reference Position

    2.10.2 Adjust reference position Caution: danger of injury! Turn off the main switch. Adjust the reference position only when the sewing unit is turned off. Adjustment – Turn on main switch. – Move pedal back. The reference position is established. –...

  • Page 20: Hook, Looping Stroke And Needle Bar Height

    Hook, looping stroke, and needle bar height 3.1 Driver shaft Caution: danger of injury! Turn off the main switch. Check and adjust driver shaft only when the sewing unit is switched off. Note and control The driver shaft 4 should have no axial backlash, but it must also not move sluggishly.

  • Page 21: Gear Segment On The Camshaft

    3.2 Gear segment on the camshaft Caution: danger of injury! Turn off the main switch. Check and adjust gear segment only when the sewing unit is switched off. Note and control The gear segment 3 should sit snuggly (have no clearance) on the camshaft 2, but it must not move sluggishly.

  • Page 22: Gear Segment To The Driver Shaft

    3.3 Gear segment to the driver shaft Caution: danger of injury! Turn off the main switch. Check and adjust gear segment only when the sewing unit is switched off. Note and control The gear segment 3 should grip into the toothed wheel 2 of the driver shaft with the smallest clearance possible, but it must not move sluggishly.

  • Page 23: Needle Bar Height

    3.4 Needle bar height DPx17 DPx5 Caution: danger of injury! Turn off the main switch. Check and adjust needle bar only when the sewing unit is switched off. Note and control The needle bar 1 is provided with four notches as an adjusting aid. The uppermost two notches are for the DPx5 needle system.

  • Page 24: Distance Between Hook Tip And Needle

    3.5 Distance between hook tip and needle Caution: danger of injury! Turn off the main switch. Check and adjust the distance between the hook tip and needle only when the sewing unit is turned off. Note and control The hook tip 4 must stand as close as possible to the hollow groove of the needle, without touching it.

  • Page 25: Looping Stroke And Needle Protection

    3.6 Looping stroke and needle protection Caution: danger of injury! Turn off the main switch. Check and adjust looping stroke and needle protection only when the sewing unit is switched off. Note and control DPx5 The needle bar is provided with four notches as an adjusting aid. The uppermost two notches are for the DPx5 needle system.

  • Page 26: Thread-Guiding Parts

    Thread-guiding parts 4.1 Thread controller spring Caution: danger of injury! Turn off the main switch. Check and adjust thread controller spring only when the sewing unit is switched off. Note and control The adjustment standards for spring travel and spring tension refer to normal needle thread sizes.
  • Page 27 Path of spring – Loosen screw 1. – Turn stop 3. Turn counter-clockwise = greater path. Turn clockwise = smaller path. – Tighten screw 1. Spring tension – Loosen screw 1. – Adjust spring washer 2, without changing the position of the stop 3. Turning the washer clockwise = less spring tension.

  • Page 28: Thread Regulator

    4.2 Thread regulator Caution: danger of injury! Turn off the main switch. Check and adjust thread regulator only when the sewing unit is switched off. Note and control The position of the thread regulator is dependent on the material thickness and the thread size. It must be adjusted so that the thread is guided around the hook in a controlled way.

  • Page 29: Adjusting The Thread Tension

    4.3 Adjusting the thread tension 4.3.1 Mechanical adjustments to the thread tension – Loosen locknut 2. – Select “Kali.3" in the ”thread tension" sub-menu. – Turn washer 3 right until stop. – Lightly turn locknut 2 back. – Select “Kali.1" in the ”thread tension" sub-menu. –...

  • Page 30: Thread Feeding Mechanism

    4.4 Thread feeding mechanism The thread feeding mechanism 2 is operated by the magnet 1. When using thin thread, the thread feed-in device may not reopen wide enough because of residual magnetism. The spring 5 presses against the residual magnetism and thus helps open the thread feed-in device 2.

  • Page 31: Thread Trimmer

    Thread trimmer 5.1 Thread trimmer magnet Caution: danger of injury! Turn off the main switch. Check and adjust thread trimmer magnet only when the sewing unit is switched off. Note and control The magnet 3 pushes the lever 5 with the roller bolt into the thread trimmer cam 6 by means of lever 1.

  • Page 32: Drive Shaft Position

    5.2 Drive shaft position 18,5 mm Caution: danger of injury! Turn off the main switch. Check and adjust drive shaft only when the sewing unit is switched off. Important In its resting position, the drive shaft 1 should be 18.5 mm distant from the front edge of the throat plate 2.
  • Page 33 Adjustment – Loosen locknut 4. – Adjust the drive shaft 1 with screw 3 so that it is 18.5 mm from the front edge of the throat plate 2. – Tighten locknut 4. Note: When the thread lever is located at upper dead centre, verify that the roller bolt is correctly gripping the thread-cutting cam.

  • Page 34: Position Of The Hook Knife

    5.3 Position of the hook knife Caution: danger of injury! Turn off the main switch. Check and adjust hook knife only when the sewing unit is switched off. Important In resting position, the hook knife 1 should abut the counter-knife 4. Adjustment –...

  • Page 35: Throat Plate Removal

    5.4 Throat plate removal Caution: danger of injury! Turn off the main switch. Remove and mount throat plate only when the sewing unit is switched off. Throat plate removal – Unscrew screw 1. – Pull lever 2 away from the knife mechanism 3. –...

  • Page 36: Cutting Pressure / Position Of The Stationary Knife

    5.5 Cutting pressure - position of the stationary knife Caution: danger of injury! Turn off the main switch. Check and adjust stationary knife only when the sewing unit is switched off. Note and control There must be 0.5 mm between the needle hole 1 and counter-knife 2. The counter-knife 2 should be aligned in such a way that both threads are safely cut in the middle of the cutting area and with the lowest possible pressure.

  • Page 37: Fixing Plate For The Magnet

    5.6 Fixing plate for the magnet Caution: danger of injury! Turn off the main switch. Check and adjust fixing plate only when the sewing unit is switched off. Note and control When the thread trimmer is in the resting position, the latch 2 should snap unhindered into the cutout 3 of the fixing plate 5.

  • Page 38: Thread Guiding Sheet

    5.7 Thread guiding sheet Caution: danger of injury! Turn off the main switch. Check and thread guiding sheet only when the sewing unit is switched off. Note and control The needle 3 should stand in the center of the cutout of thread guiding sheet 2.

  • Page 39: Material Feed

    Material feed 6.1 Drive and motor positioning Caution: danger of injury! Turn off the main switch. Check and adjust motor only when the sewing unit is switched off. Note and control The fabric clamp 1 should fit snugly (i.e., have no extra clearance) in the X and Y directions.

  • Page 40: Reference Position

    6.2 Reference position Caution: danger of injury! Turn off the main switch. Check and adjust reference position with utmost caution when the sewing unit is switched on. Note and control Two step motors move the clamping arm 1. – Unscrew screws 2 and take off rest plate 3. –...
  • Page 41 Adjustment of the X-axis – Loosen screw 9. – Adjust light barrier 10 accordingly. – Tighten screw 9. Adjustment of the Y-axis – Loosen screw 12. – Adjust cam switch 11 accordingly. – Tighten screw 12. – Move pedal back. The sewing unit calibrates itself and stays at the zero-point.

  • Page 42: Position Of The Fabric Clamps To The Rest Plates

    6.3 Position of the fabric clamps in relationship to the transport plate. Caution: danger of injury! Turn off the main switch. The transport plate and fabric clamp should only be checked and adjusted when the sewing unit is turned off. Important The fabric clamp 1 and transport plate 2 should be arranged as congruently as possible.

  • Page 43: Sewing Foot

    6.4 Sewing foot Caution: danger of injury! Turn off the main switch Check and adjust sewing foot only when the sewing unit is switched off. Note and control The sewing foot should be fastened as deeply as possible on the cloth presser bar, so that the operator can adjust the sewing foot for thicker material when necessary.

  • Page 44: Oil Lubrication

    Oil lubrication Caution: danger of injury! Oil can cause damage to skin. Avoid prolonged contact with skin. Wash thoroughly after any contact. ATTENTION! The handling and disposal of mineral oils is subject to laws and regulations. Deliver used oil to an authorized collecting station. Protect your environment.

  • Page 45: Oil Circulation

    7.1 Oil circulation From the filler pipe 1, the oil flows into the oil reservoir 2 and then it runs over into the oil reservoir 4. All lubricating points in the arm and head zone are provided with oil from the oil reservoir 2. The oil reservoir 4 supplies all lubricating points of the base plate.

  • Page 46: Maintenance

    Maintenance Caution: danger of injury! Turn off the main switch. Maintenance work on the sewing unit must only be carried out when the machine is switched off. All daily and weekly maintenance work (cleaning and oiling) to be carried out by the operators of the sewing unit are described in the operating instructions (Chapter 10).

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