Table of Contents
Advertisement
Quick Links
Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld
Telefon +49 (0) 521 / 9 25-00
Ausgabe / Edition:
Aenderungsindex
07/2009
Rev. index: 00.0
Industrial sewing machine
•
Telefax +49 (0) 521 / 9 25 24 35 • www.duerkopp-adler.com
Printed in Czech Republic
52Xi
Service Instructions
Serviceanleitung
Teile-Nr./Part.-No.:
S735 000805
GB
D
Advertisement
Table of Contents
Related Manuals for Duerkopp Adler 52Xi
Summary of Contents for Duerkopp Adler 52Xi
-
Page 1: Service Instructions
52Xi Industrial sewing machine Service Instructions Serviceanleitung Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld Telefon +49 (0) 521 / 9 25-00 • Telefax +49 (0) 521 / 9 25 24 35 • www.duerkopp-adler.com Ausgabe / Edition: Aenderungsindex Teile-Nr./Part.-No.: 07/2009... - 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 Introduction This service booklet contains the instructions for setting the sewing machine head mechanisms. The directions for putting the machine into operation and for setting the positioning drive are contained in another publication. The service booklet is common for all subclasses of the machine and contains also the instructions for setting optional accessories of the machine, if this is necessary owing to their complexity.
- Page 4 General safety regulations The non-observance of the following safety instructions can cause bodily injuries or damages to the machine. The machine must only be commissioned in full knowledge of the instruction book and operated by persons with appropriate training. Before putting into service also read the safety rules and instructions of the motor supplier.
-
Page 5: Table Of Contents
List of contents Page Introduction and safety regulations Instructions for the machine setting - class 52X Zigzag stitch mechanism of machines 523, 524, 527 1.1. Introduction ..........Tooth clearance setting of zigzag stitch gear . - Page 6 Thread trimmer Trimming pressure of trimming knives ........Thread trimmer lever .
-
Page 7: Zigzag Stitch Mechanism Of Machines 523, 524, 527 Introduction
Zigzag stitch mechanism of machines 523, 524, 527 Introduction The machine setting must be carried out in the sequence as described herein. Tooth clearance setting of zigzag stitch gear Regulation The tooth clearance of zigzag stitch should be as small as possible. No overlap instead of clearance, however, may arise in any mutual position of the gears. -
Page 8: Straight Stitch Alignment
Straight stitch alignment Regulation The centrally positioned straight stitch must be fully aligned, i. e. the needle must not have any lateral motion. – Set the zero stitch length. – Loosen the screw (1). – Place the stop pin (2) to the stop onto the casing (3). –... -
Page 9: Zigzag Stitch Width
Zigzag stitch width Regulation The zigzag stitch width setting must be limited to the value prescribed for the applied sewing equipment with the setting tolerance -5% of the prescribed value. – Set the zero stitch length. – Place a piece of paper onto the throat plate. –... -
Page 10: Needle Stab Position Setting In Feeding Direction
Needle stab position setting in feeding direction Regulation If the needle is in the bottom dead center, it should be positioned in the throat plate needle hole center in feeding direction and its lost motion in the feeding direction should be as small as possible. –... -
Page 11: Lateral Setting Of Needle Stab Position
Lateral setting of needle stab position Regulation Both dead centers of the needle lateral motion at the zigzag stitch sewing should be at the same distance from the throat plate needle hole edges. – Dismantle the cover (1) and the hole stop (2) from the rear side. –... -
Page 12: Lateral Setting Of Central Straight Stitch Position
Lateral setting of central straight stitch position Regulation If the central straight stitch is set, the needle position should be approximately in the center of the presser foot or in the middle of the throat plate needle hole center. – Set the zero width of the zigzag stitch with the lever (1). -
Page 13: Lateral Setting Of Straight Stitches On Throat Plate Needle Hole Edges, Arresting Of Zigzag Stitch Setting Mechanism
Lateral setting of straight stitches on throat plate needle hole edges, arresting of zigzag stitch setting mechanism Regulation If the sewing equipment allows using the maximum zigzag stitch width, which is characteristic of the particular machine type, the position of the border straight stitches should be adjusted so that it aligns with the zigzag stitch border. -
Page 14: Form Stitch Mechanism Of Machine 525
Form stitch mechanism of machine 525 Introduction The setting should be carried out in the sequence as described herein. Tooth clearance setting of form stitch gear Regulation The tooth clearance of the form stitch gear should be as small as possible. -
Page 15: Roller Bolt Position Of Form Stitch Steering Cam
Roller bolt position of form stitch steering cam Regulation When changing the form stitch width, the stitch central axis should remain in its place. It should not shift laterally. – Mount the wheel steering cam of the straight stitch (from the machine rear side). -
Page 16: Setting Of Needle Stab Position
Setting of needle stab position Regulation If the wheel steering cam of the straight stitch is mounted, the needle should be located in both directions in the center of the throat plate needle hole. – Adjust the needle position in feeding direction as per section 1.5. –... -
Page 17: Feeding And Presser Foot Stitch Length Setting Mechanism
Feeding and presser foot Stitch length setting mechanism Regulation If the zero stitch length is set, the hand lever should perform no lost motion. – Loosen the screws (1). – Set the setting knob (2) on the zero stitch length. –... -
Page 18: Zero Stitch Length
Zero stitch length Regulation If the zero stitch length is set, the connecting rod (3) should perform no motion. – Set the stitch length knob on the zero cipher. – Tilt the machine and loosen the screw (1). – Shift the sleeve (2) until the position is found where the connecting rod (3) stops moving. -
Page 19: Feed Dog Position In Throat Plate Recess And Its Height
Feed dog position in throat plate recess and its height Regulation The feed dog should not touch the throat plate laterally. At the zero stitch length the teeth should be located in the throat plate recess center. If the feed dog is positioned in the top dead center, it should be located 1 mm over the throat plate and its top surface should be parallel with the throat plate. -
Page 20: Timing Of Feed Dog Motion Eccentric In Sewing Direction
Timing of feed dog motion eccentric in sewing direction Regulation If the needle is lifted by 1 mm from the bottom dead center, the feed dog should not move when the backtacking lever is pressed down. – Set the maximum stitch length. –... -
Page 21: Timing Of Feed Dog Vertical Motion
Timing of feed dog vertical motion eccentric Regulation If the needle eye is in the same height as the sewn material of the maximum thickness 1 mm, the feeding of the material should start (the feed dog teeth approximately at the throat plate level). –... -
Page 22: Backtacking With Solenoid
Backtacking with solenoid Regulation At the maximum stitch length, at the backtacking mechanism dislocation with the solenoid, its movable core should not strike the fixed one. – Set the maximum stitch length. – Press the backtacking lever down to the stop and hold it in this position. -
Page 23: Manual Foot Lifting
Manual foot lifting Regulation The foot stroke with the hand lever should be 5,5 mm. – Place the bottom feed dog under the level of the throat plate top surface. – Place an object of thickness 5,5 mm under the foot. –... -
Page 24: Foot Lifting With Knee Lever
Foot lifting with knee lever Regulation The foot stroke with the knee lever should be 12,5 mm, the space (A) = approximately 2 mm if the knee lever is in the initial position. – Lower the presser foot on the throat plate. –... -
Page 25: Foot Lifting With Solenoid
Foot lifting with solenoid Regulation The foot stroke with the solenoid is 12 mm. If the foot is lifted, the solenoid movable core should be at the stop onto the fixed core. – Place the foot onto the throat plate. –... -
Page 26: Setting Of Needle Bar And Hook 4.1 Hook Timing (Loop Stroke)
Needle bar and hook Timing of hook Regulation When sewing the straight stitch in the foot center, if the needle bar performs the stroke (A) = 2,2 mm (2,5 mm of machine 527) from its bottom dead center (hook timing, loop stroke), the hook point should be on the needle axis. -
Page 27: Needle Bar Height, Space Between Needle And Hook Point
Needle bar height, needle and hook point clearance Regulation When sewing on the left, if the hook point is positioned on the needle axis, the hook point bottom edge should be located on the needle eye top edge. The hook should be positioned so that the distance between the needle scarf bottom and the hook point is (A) = 0,2 mm. -
Page 28: Bobbin Case Driver
Bobbin case driver Regulation The distance between the bobbin case driver and the bobbin case groove bottom should be (A) = 0,7 mm. – Dismantle the throat plate and tilt the machine. – Loosen the screw (1). – Shift the driver (2) to the distance (A) = 0,7 mm. –... -
Page 29: Bobbin Case Lifting
Hook lifting Regulation In the direction of the hook axis there should be the space (A) = 0,8 mm between the bobbin case lifter and the hook. The maximum hook lifting should be (B) = 0,4 to 0,8 mm according to the thread thickness. -
Page 30: Thread Mechanism
Thread mechanism Thread limiter and check spring Regulation The thread limiter (1) should be positioned horizontally. The screw (2) should be located in the center of its groove. The spring (3) stop should be located in such position so that the spring end (3) is in the same height as the thread guide top edge (4). -
Page 31: Bobbin Winder
Bobbin winder Regulation If the bobbin winder is switched off, the space between the driving and driven wheels of the bobbin winder should be as small as possible, but they must not touch each other. When winding the thread, the bobbin winder should automatically switch off when the thread is wound up to 0,5 mm under the bobbin outer diameter. -
Page 32: Thread Trimming
Thread trimming Trimming pressure between knives Regulation The trimming pressure should be as large as possible, however, the knives should be on touch within the last part of the trimming knife path only. – Tilt the machine, loosen the screw (1), and remove the bolt (2). –... - Page 33 Trimming lever Regulation The trimming lever (6) should be located as high as possible, but it should not rub the plate (5). The eccentric bolt (2) groove should be in horizontal position. – Tilt the machine. – Loosen the screw (3) and turn the eccentric bolt (4) so that the lever does not rub (6) the plate (5), however, it should be positioned as high as possible.
-
Page 34: Driver
Driver Regulation If the driver (1) touches the casing (2), the knife (3) should be on the plate edge (4). – Tilt the machine. – Loosen the screw (5). – Shift the knife (3) as per regulation. – Place the driver (1) on touch with the casing (2) and tighten the screw (5). - Page 35 Trimming cam Regulation If the trimmer is not active, then the shortest distance between the cam (3) and roller (4) should be 0,1 mm. Timing of the cam: if the needle point is approximately (A) = 1 mm over the throat plate, the cam screws should be turned downwards and their axes perpendicularly to the machine base plate.
- Page 36 Electronic control and machine drive Detailed instructions for the positioning motor operation are attached to the machine (see also www.efka.net). Selected instructions for the drive setting at the machine installation are included in the second part of the Instruction manual.
Need help?
Do you have a question about the 52Xi and is the answer not in the manual?
Questions and answers