Duerkopp Adler 869 User manual

869

Spezialnähmaschine

Betriebsanleitung

Instruction manual

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.:

03/2009 Rev. index: 00.0 Printed in Federal Republic of Germany 0791 869741

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.

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.

The instruction manual is intended to complement existing national

accident prevention and environment protection regulations.

The instruction manual must always be available at the machine/sewing

unit.

The instruction manual must be read and applied by any person that is

authorized to work on the machine/sewing unit. This means:

–Operation, including equipping, troubleshooting during the work

cycle, removing of fabric waste,

–Service (maintenance, inspection, repair) and/or

–Transport.

The user also has to assure that only authorized personnel work on the

machine.

The user is obliged to check the machine at least once per shift for

apparent damages and to immediatly report any changes (including the

performance in service), which impair the safety.

The user company must ensure that the machine is only operated in

perfect working order.

Never remove or disable any safety devices.

If safety devices need to be removed for equipping, repairing or

maintaining, the safety devices must be remounted directly after

completion of the maintenance and repair work.

Unauthorized modification of the machine rules out liability of the

manufacturer for damage resulting from this.

Observe all safety and danger recommendations on the machine/unit!

The yellow-and-black striped surfaces designate permanend danger

areas, eg danger of squashing, cutting, shearing or collision.

Besides the recommendations in this instruction manual also observe

the general safety and accident prevention regulations!

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:

Preface and General Safety Instructions

Part 1: Operating Instructions Class 869

(Edition 03/2009)

1. Product Description ............................................ 4

2. Designated Use ............................................... 4

3. Subclasses .................................................. 5

4. Optional Equipment ............................................ 6

5. Technical data

5.1 Technicaldatasubclasses ......................................... 8

6. Operation

6.1 Threading the needle thread ........................................ 10

6.2 Adjusting the needle-thread tension ................................... 11

6.2.1 Function of the main thread tension and the supplementary thread tension in relation to the

sewing foot lifting for subclass 869- ... .................................. 12

6.2.2 Function of supplementary thread tension in relation to the sewing foot lifting and the

Speedomat for subclass 869- ... ..................................... 13

6.3 Opening the thread tension ......................................... 13

6.4 Turning the supplementary thread tension on and off for Subclasses

869-180020, 869-280020, 869-180122 and 869-280122 ....................... 14

6.5 Adjusting the thread regulator ....................................... 15

6.6 Winding on the hook thread......................................... 16

6.7 Changing the hook-thread bobbin ..................................... 17

6.8 Setting the hook thread tension ...................................... 18

6.9 Inserting and changing the needle with single-needle machines .................. 19

6.10 Inserting and changing the needle with double-needle machines .................. 20

6.11 Liftingthesewingfoot............................................ 21

6.12 Lockingthesewingfeetinliftedposition................................. 22

6.13 Sewingfootpressure ............................................ 22

6.14 Sewing-footstroke.............................................. 23

6.15 Setting the stitch length ........................................... 25

6.16 Keypadonthemachinearm........................................ 26

7. Sewing

7.1 SewingwithmachinesusingtheFIRclutchpositioningdrive .................... 27

7.2 Sewing with machines using the Efka DC1550/DA321G positioning drive ............ 28

Contents Page:

8. Tilting Back the Machine Head ..................................... 31

9. Folding Down the Table Top with the MG 56-2 Stand ....................... 32

10. Maintenance

10.1 Cleaning and Checking ........................................... 33

10.2 Oil Lubrication................................................. 35

1. Product Description

The DÜRKOPP ADLER 869 is a single-needle double lockstitch

free-arm sewing machine with a lower feed, a needle feed and an

alternating foot-upper feed.

Depending on the subclass it comes as single or double needle

machine, with or without electropneumatic driven thread trimmer.

·The machines are equipped with a large horizontal hook.

·With a maximum of 20 mm fabric clearance when sewing feet are

lifted.

·The residual thread length after thread trimming is about 15 mm.

·A safety clutch prevents a changing of the hook setting or a hook

damage in the case of a thread deflection into the shuttle track.

·Automatic wick lubricating with an inspection glass on the arm for

machine and hook lubrication.

·All Subclasses, excluding those classes without thread trimmer

device, are equipped with a keypad (6 keys). An additional key,

within reach of the seamstress, can optionally also be assigned

one of the six different functions.

·Integrated bobbin winder

2. Designated use

The class 869 is a sewing machine head designed for sewing light to

medium-heavy material. Such material is generally made of textile

fibres, but it may also be leather. It is used in the clothing industry and

for domestic and motor-vehicle upholstery.

This special sewing machine can also be used to produce so-called

technical seams. In this case, however, the operator must assess the

possible dangers which may arise (with which DÜRKOPP ADLER AG

would be happy to assist), since such applications are on the one hand

relatively unusual and, on the other, so varied that no single set of

criteria can cover them all. The outcome of this assessment may

require appropriate safety measures to be taken.

Generally only dry material may be sewn with this sewing machine

head. The material may be no thicker than 10 mm when compressed

by the lowered sewing feet. The material may not contain any hard

objects, since if it does the machine may not be operated without an

eye-protection device. No such eye-protection device is currently

available.

The seam is generally produced with textile-fibre sewing thread of

gauge up to 10/3 NeB (cotton), 10/3 Nm (synthetic) or 10/4 Nm

(covering yarn).

Before using any other thread the possible dangers arising must be

assessed and appropriate safety measures taken if necessary.

This special sewing machine may be set up and operated only in dry,

well-maintained premises. If the sewing machine is used in premises

which are not dry and well-maintained it may be necessary to take

further precautions which should be agreed in advance (see

EN 60204-31:1999).

As manufacturers of industrial sewing machines we proceed on the

assumption that personnel who work on our products will have

received training at least sufficient to acquaint them with all normal

operations and with any hazards which these may involve.

3. Subclasses

869-180020 Single-needle double lockstitch free-arm sewing

machine with lower feed, needle feed and alternating

foot upper feed.

869-180122 Single-needle double lockstitch free-arm sewing

machine with lower feed, needle feed and alternating

foot upper feed, electro-pneumatic thread trimmer,

electro-pneumatic seam bartacking and sewing foot

lifting. With large hook.

869-180322 Single-needle double lockstitch free-arm sewing

machine with lower feed, needle feed and alternating

foot upper feed, electro-pneumatic rapid stroke

adjustment, electro-pneumatic thread trimmer,

connectable thread tension, electro-pneumatic seam

bartacking, electro-pneumatic second stitch length

and sewing foot lifting. With large hook and

integrated sewing light.

869-280020 Double-needle double lockstitch free-arm sewing

machine with lower feed, needle feed and alternating

foot upper feed.

869-280122 Double-needle double lockstitch free-arm sewing

machine with lower feed, needle feed and alternating

foot upper feed, electro-pneumatic thread trimmer,

electro-pneumatic seam bartacking and sewing foot

lifting. With large hook.

869-280322 Double-needle double lockstitch free-arm sewing

machine with lower feed, needle feed and alternating

foot upper feed, electro-pneumatic rapid stroke

adjustment, electro-pneumatic thread trimmer,

connectable thread tension, electro-pneumatic seam

bartacking, electro-pneumatic second stitch length

and sewing foot lifting. With large hook and

integrated sewing light.

4. Optional Equipment

The following optional equipment is available for the 869.

Order No. Optional equipment Subclasses

869-180020

869-180122

869-180322

869-280020

869-280122

869-180322

9780 000108 WE-8 maintenance unit for pneumatic x x x x x x

optional equipment

0797 003031 Pneumatic connection package x x x x x x

For connection of stand with maintenance unit.

0867 490010 Operating panel angle bracket x o o x o o

9822 510001 Halogen sewing light for sewing machine head x x x x x x

9880 867100 Sewing light add-on kit x x x x x x

0798 500088 Sewing light transformer x x x x x x

9880 867103 Sewing light LED x x x x x x

9880 867102 Integrated sewing light x x o x x o

9850 001089 Power supply complete for integrated sewing light x x o x x o

and sewing light LED

9850 867001 PCB for oil monitoring x o x o

0867 590014 Electro-pneumatic needle cooler from the top x x

0867 590344 Mech. sewing foot lifting, with pedal x x

0867 590354 Pneumatic sewing foot lifting; for clutch pos. drive x x

0867 590364 Pneumatic sewing foot lifting; for DC 1550 x x

0867 590464 Manual seam tacking o x o o x o

N800 080004 Edge guide, swivelling (like Del Veccia) x x x x x x

9805 791113 USB memory key x x x x x x

for data transfer with the

Efka control unit DA321G.

Stands

MG55 400384 Stand set table top 1200x550 without cut-out x x x x x x

MG55 400394 Stand set table top 1200x550 with cut-out x x x x x x

MG56 400064 Stand set table top 1250x600 x x

divided, foldable, for clutch motors

MG56 400074 Stand set table top 1250x600 x x x x x x

divided, foldable, for DC 1550

o = Standard equipment

x = Optional equipment

Further available documents concerning the class 869:

0791 869801 Parts List

0791 869641 Service Instructions

5. Technical data

Noise: Workplace-related emission value in accordance with DIN 45635-48-A-1-KL2

869-180020 LC = _dB (A)

Stitch length: _ mm Sewing-foot stroke: __ mm Speed: ___ min-1

Material:

869-180122 LC = _dB (A)

Stitch length: _ mm Sewing-foot stroke: __ mm Speed: ___ min-1

Material:

869-180322 LC = _dB (A)

Stitch length: _ mm Sewing-foot stroke: __ mm Speed: ___ min-1

Material:

869-280020 LC = _dB (A)

Stitch length: _ mm Sewing-foot stroke: __ mm Speed: ___ min-1

Material:

869-280122 LC = _dB (A)

Stitch length: _ mm Sewing-foot stroke: __ mm Speed: ___ min-1

Material:

869-280322 LC = _dB (A)

Stitch length: _ mm Sewing-foot stroke: __ mm Speed: ___ min-1

Material:

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