Duerkopp Adler 609 Istruzioni operative

609

Spezialnähmaschine

Serviceanleitung

Service Instructions

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: Änderungsindex Teile-Nr./Part.-No.:

01/2008 Rev. index: 00.0 Printed in Federal Republic of Germany 0791 609641

Eigentum der Dürkopp Adler AG und urheberrechtlich geschützt. Jede, auch auszugsweise Wiederverwendung

dieser Inhalte ist ohne vorheriges schriftliches Einverständnis der Dürkopp Adler AG verboten.

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.

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. Before putting into service also read the safety rules and

instructions of the motor supplier.

3. The machine must be used only for the purpose intended. Use of

the machine without the safety devices is not permitted. Observe all

the relevant safety regulations.

4. When gauge parts are exchanged (e.g. needle, presser foot, needle

plate, feed dog and bobbin) when threading, when the workplace is

left, and during service work, the machine must be disconnected

from the mains by switching off the master switch or disconnecting

the mains plug.

5. Daily servicing work must be carried out only by appropriately

trained persons.

6. Repairs, conversion and special maintenance work must only be

carried out by technicians or persons with appropriate training.

7. For service or repair work on pneumatic systems, disconnect the

machine from the compressed air supply system (max. 7-10 bar).

Before disconnecting, reduce the pressure of the maintenance unit.

Exceptions to this are only adjustments and functions checks made

by appropriately trained technicians.

8. Work on the electrical equipment must be carried out only by

electricians or appropriately trained persons.

9. Work on parts and systems under electric current is not permitted,

except as specified in regulations DIN VDE 0105.

10. Conversion or changes to the machine must be authorized by us

and made only in adherence to all safety regulations.

11. For repairs, only replacement parts approved by us must be used.

12. Commissioning of the sewing head is prohibited until such time as

the entire sewing unit is found to comply with EC directives.

13. The line cord should be equipped with a country-specific mains

plug. This work must be carried out by appropriately trained

technicians (see paragraph 8).

It is absolutely necessary to respect the safety

instructions marked by these signs.

Danger of bodily injuries !

Please note also the general safety instructions.

Contents Page:

Part 3: Service Instructions for the class 609

(Edition 01/2008)

1. General

1.1 Gauge Set ................................................... 4

2. Position of needle and needle hole ................................... 5

3. Material presser foot

3.1 Heightofthematerialpresserfoot .................................... 6

3.2 Timingofthemovementofthematerialpresserfoot.......................... 7

3.3 Strokeofthematerialpresserfoot .................................... 8

4. Opening the thread tension

4.1 Mechanical opening of the thread tension ................................ 9

4.2 Electromagnetic opening of the thread tension ............................. 10

4.3 ThreadControllerSpring.......................................... 11

5. Pre-adjustment to the needle bar height ............................... 12

6. Hook settings

6.1 Loop stroke and clearance of the hook point to the needle ...................... 13

7. Thread trimmer

7.1 Function sequence .............................................. 14

7.2 Threadtrimmerdrive............................................. 15

7.3 Knife carrier and thread-pulling knife ................................... 16

7.4 Hookshaftandknifecarrier ........................................ 17

7.5 Timingofthetrimmingprocess(controlcam).............................. 18

7.6 Position of the counter knife ........................................ 19

7.7 Cutting pressure of the counter knife ................................... 20

7.8 Re-sharpening the counter knife...................................... 21

7.9 Position of the thread guiding sheet.................................... 22

8. Bobbin winder

8.1 Function of the bobbin winder ....................................... 23

8.2 Bobbin fill quantity .............................................. 24

9. Oil lubrication

9.1 General..................................................... 25

9.2 Lubrication points............................................... 26

10. Maintenance ................................................. 27

11. Summary of all sewing machine settings ............................... 28

1. General

These service instructions describe the adjustments that can be made

to the 609-class special sewing machine.

609-100101: The single-needle lockstitch cylinder arm

machine with electromagnetic thread trimmer.

ATTENTION!

The operations described in these service instructions may only be

carried out by qualified staff or other appropriately trained persons!

Caution Risk of Injury!

Always switch off main switch before any repair, alteration and

maintenance.

Any adjustment work and function testing conducted while the machine

is running should follow all safety measures with the greatest possible

caution.

These service instructions describe the adjustment of the sewing

machine in a logical order.

Please observe that various setting positions are dependent on each

other. Thus it is essential that the settings be made in the order

described.

For all adjustments of parts involved in the stitch formation, a new

undamaged needle must be inserted.

ATTENTION!

All colored parts were set at the factory and should only be loosened

by skilled personnel.

1.1 Gauge set

You can use the setting gauges included in the gauge set to precisely

check and adjust the sewing machine.

Pos. Setting gauge Order no. Use

1 Gauge 0981 150003 Loop stroke

2 Block 0981 150002 Loop stroke

2. Position of needle and needle hole

Caution Risk of Injury!

Turnthemainswitchoff.

Check and set the position of the needle and needle hole only when

the sewing machine is turned off.

Rule and control

The needle-bar link must be standing over the needle hole, so that the

needle penetrates the middle of the hole.

Adjustment

–Take off the material presser foot.

–Turn the handwheel until the needle is positioned directly over the

needle hole.

–Loosen screw 2.

–Align the needle-bar link.

–Tighten screw 2 again.

–Mount and align material presser foot 1.

3. Material presser foot

3.1 Height of the material presser foot

Caution Risk of Injury!

Turnthemainswitchoff.

Check and set the height of the material presser foot only with the

sewing machine turned off.

Rule and control

The distance between the material presser foot 2 and the needle plate

1 should be 0.3 mm.

The setting can be made with a feeler gauge.

–Turn handwheel until the material presser foot is at its lowest point.

–Use the feeler gauge to check is the height is correct.

The spool must abut the radius of the retainer (the left side).

During the entire course of the needle movement, the guide piece 5

should neither strike the top, nor protrude out from the guide 6.

Adjustment

Setting the height of the material presser bar

–Loosen clamping screws 3.

–Set the material presser foot higher or lower (place the feeler

gauge under the foot).

–Press the retainer against the spool.

–Tighten screws 3 again.

Setting the guide piece

–Loosen screw 4.

–Push the guide piece 5 accordingly.

–Tighten screw 4 again.

321 654

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