Duerkopp Adler 971-01 Operating instructions

Operating Instructions

971-01

Property of Dürkopp Adler GmbH and protected by copyright. Any reuse of these contents, in-

cluding extracts, is prohibited without the prior written approval of Dürkopp Adler GmbH.

IMPORTANT

READ CAREFULLY BEFORE USE

KEEP FOR FUTURE REFERENCE

Table of Contents

Operating Instructions 971 - 06.0 - 12/2020 1

1 About these instructions ...........................................................3

1.1 For whom are these instructions intended?..................................3

1.2 Representation conventions – symbols and characters...............3

1.3 Other documents..........................................................................4

1.4 Liability..........................................................................................5

2 Safety...........................................................................................7

2.1 Basic safety instructions...............................................................7

2.2 Signal words and symbols used in warnings................................8

3 Machine description.................................................................11

3.1 Elements on the sewing head ....................................................11

3.2 Elements on the cutting head.....................................................12

3.3 Elements on the frame ...............................................................14

3.4 Elements on the control box.......................................................15

3.5 Elements on the stacker.............................................................16

4 Operation...................................................................................17

4.1 Preparing the machine for operation..........................................17

4.2 Switching on the machine...........................................................17

4.3 Threading the needle thread ......................................................18

4.4 Threading the looper thread.......................................................19

4.5 Adjusting the thread tensions.....................................................21

4.6 Removing a thread break...........................................................22

4.7 Setting the sewing foot height ....................................................23

4.8 Swinging the sewing head in and out.........................................24

4.9 Swinging the cutting head in or out ............................................25

4.10 Preparing, starting and interrupting the automatic sequence.....27

4.10.1 Replacing the adjustable material holders..................................27

4.10.2 Changing the size of the adjustable material holders.................28

4.10.3 Adjusting the depth stop of the adjustable material holders.......29

4.10.4 Extending the opening time of the clamp ...................................30

4.10.5 Inserting the sewing material and starting the automatic

sequence....................................................................................30

5 Maintenance..............................................................................33

5.1 Cleaning .....................................................................................34

5.2 Lubricating..................................................................................36

5.3 Servicing the pneumatic system.................................................38

5.3.1 Setting the operating pressure ...................................................38

5.3.2 Draining the water condensation................................................39

5.3.3 Cleaning the filter element..........................................................40

5.4 Parts list......................................................................................41

6 Setup..........................................................................................43

6.1 Components of the sewing unit ..................................................43

6.2 Adjusting the sewing head heigth and the cutting head height ..44

6.3 Installing the material holders.....................................................44

6.4 Installing the reel stand...............................................................45

6.5 Aligning the sewing unit..............................................................45

6.6 Connecting the side channel blower...........................................46

6.7 Connecting the stacker to the sewing unit..................................47

Table of Contents

2 Operating Instructions 971 - 06.0 - 12/2020

6.8 Electrical connection...................................................................48

6.8.1 Setting the motor circuit breaker.................................................48

6.8.2 Checking the direction of rotation...............................................49

6.9 Pneumatic connection................................................................50

6.9.1 Fitting the compressed air maintenance unit..............................50

6.9.2 Setting the operating pressure ...................................................50

7 Starting up for the first time ....................................................52

8 Decommissioning.....................................................................53

9 Disposal.....................................................................................55

10 Troubleshooting .......................................................................57

10.1 Customer Service.......................................................................57

10.2 Errors in sewing process ............................................................57

11 Technical data...........................................................................61

12 Appendix ...................................................................................63

About these instructions

Operating Instructions 971 - 06.0 - 12/2020 3

1 About these instructions

These instructions for the 971 have been prepared with utmost care. They

contain information and notes intended to ensure long-term and reliable

operation.

Should you notice any discrepancies or if you

have improvement requests,

then we would be glad to receive your feedback through Customer

Service ( S. 57).

Consider the instructions part of the product and store them in a place

whe

re they are readily available.

1.1 For whom are these instructions intended?

These instructions are intended for:

• Operators:

This group is familiar with the machine an

d has access to the inst-

ructions. Specifically, chapter Operation ( S. 17) is important for

the operators.

• Specialists:

This group has the appropriate technical training for performing

ma

intenance or repairing malfunctions. Specifically, the chapter

Setup ( S. 43) is important for specialists.

Service Instructions are supplied separately.

With regard to minimum qualification and other requirements to be met by

p

ersonnel, please also follow the chapter Safety ( S. 7).

1.2 Representation conventions – symbols and characters

Various information in these instructions is represented or highlighted by the

following characters in order to facilitate easy and quick understanding:

Proper setting

Specifies proper setting.

Disturbances

Specifies the disturbances that can occur due to an incorrect setting.

Cover

Specifies which covers must be removed in order to access the compo-

nents to be set.

About these instructions

4 Operating Instructions 971 - 06.0 - 12/2020

Steps to be performed when operating the machine (sewing and

equipping)

Steps to be performed for service, maintenance, and installation

Steps to be performed via the software control panel

The individual steps are numbered:

1. First step

2. Second step

The steps must always be followed in the specified order.

Lists are marked by bullet points.

Result of performing an operation

Change to the machine or on the display/control panel.

Important

Special attention must be paid to this point when performing a step.

Information

Additional information, e.g. on alternative operating options.

Order

Specifies the work to be performed before or after a setting.

References

 Reference to another section in these instructions.

Safety Important warnings for the user of the machine are specifically marked.

Since safety is of particular importance, hazard symbols, levels of danger

and their signal words are described separately in the chapter

Safety ( S. 7).

Location

information

If no other clear location information is used in a figure, indications of right

or left are always from the user's point of view.

1.3 Other documents

The machine includes components from other manufacturers. Each ma-

nufacturer has performed a hazard assessment for

these purchased parts

and confirmed their design compliance with applicable European and na-

tional regulations. The proper use of the built-in compone

nts is described

in the corresponding manufacturer's instructions.

1.

2.

…

•



About these instructions

Operating Instructions 971 - 06.0 - 12/2020 5

1.4 Liability

All information and notes in these instructions have been compiled in ac-

cordance with the latest technology and the applicable standards and re-

gulations.

Dürkopp Adler cannot be held liable for any damage resulting from:

• Breakage and damage during transport

• Failure to observe these instructions

• Improper use

• Unauthorized modifications to the machine

• Use of untrained personnel

• Use of unapproved parts

Transport

Dürkopp Adler cannot be held liable for brea

kage and transport damages.

Inspect the delivery immediately upon receiving it. Report any damage to

the last transport manager. This also applies if the packaging is not

damaged.

Leave machines, equipment and packaging material in the condition in

which they

were found when the damage was discovered. This will ensure

any claims against the transport company.

Report all other complaints to Dürkopp Adler immediately after receiving

t

he product.

About these instructions

6 Operating Instructions 971 - 06.0 - 12/2020

Safety

Operating Instructions 971 - 06.0 - 12/2020 7

2 Safety

This chapter contains basic information for your safety. Read the instruc-

tions carefully before setting up or operating the machine. Make sure to

f

ollow the information included in the safety instructions. Failure to do so

can result in serious injury and property damage.

2.1 Basic safety instructions

The machine may only be used as described in these instructions.

These instructions must be available at the machine's location at all times.

Work on live components and equipment is prohibited

. Exceptions are de-

fined in the DIN VDE 0105.

For the following work, switch off the machine at the main switch or

d

isconnect the power plug:

• Replacing the needle or other sewing tools

• Leaving the workstation

• Performing maintenance work and repairs

• Threading

Missing or faulty parts could impair safety and damage the machine.

Only use original parts from the manufacturer.

Transport Use a lifting carriage or forklift to transport the machine. Raise the machine

max. 20 mm and secure it to prevent it from slipping off.

Setup The connecting cable must have a power plug approved in the relevant

country. The power plug may only be assembled to the power cable by

qualified specialists.

Obligations

of the operator

Follow the country-specific safety and accident prevention regulations and

the legal regulations concerning industrial safety and the protection of the

environment.

All the warnings and safety signs on the machine must always be in legible

cond

ition. Do not remove!

Missing or damaged warnings and safety signs must be replaced

immedia

tely.

Requirements

to be met by

the personnel

Only qualified specialists may:

• set up the machine

• carry out maintenance work and repairs

• perform work on electrical equipment

Only authorized persons may work on the machine and must first have un-

derstood these instructions.

Safety

8 Operating Instructions 971 - 06.0 - 12/2020

Operation Inspect the machine while in use for any externally visible damage.

Stop working if you notice any changes to the machine. Report any chan-

ges to your supervisor. Do not use a damaged machine any further.

Safety

equipment

Safety equipment should not be removed or deactivated. If it is essential

to remove or deactivate safety equipment for a repair operation, it must be

assembled and put back into operation immediately afterward.

2.2 Signal words and symbols used in warnings

Warnings in the text are distinguished by color bars. The color scheme ba-

sed on the severity of the danger. Signal words indicate the severity of the

d

anger.

Signal words Signal words and the hazard they describe:

Symbols The following symbols indicate the type of danger to personnel:

Signal word Meaning

DANGER (with hazard symbol)

If ignored, fatal or serious injury will result

WARNING (with hazard symbol)

If ignored, fatal or serious injury can result

CAUTION (with hazard symbol)

If ignored, moderate or m

inor injury can result

CAUTION (with hazard symbol)

If ignored, environmental damage can result

NOTICE (without hazard symbol)

If ignored, property damage can result

Symbol Type of danger

General

Electric shock

Safety

Operating Instructions 971 - 06.0 - 12/2020 9

Examples Examples of the layout of warnings in the text:

 This is what a warnin

g looks like for a hazard that will result in serious

injury or even death if ignored.

 This is wh

at a warning looks like for a hazard that could result in seri-

ous or even fatal injury if ignored.

 This is what a warn

ing looks like for a hazard that could result in

moderate or minor injury if the warning is ignored.

Puncture

Crushing

Environmental damage

Symbol Type of danger

DANGER

Type and source of danger!

Consequences of non-compliance.

Measures for avoiding the danger.

WARNING

Type and source of danger!

Consequences of non-compliance.

Measures for avoiding the danger.

CAUTION

Type and source of danger!

Consequences of non-compliance.

Measures for avoiding the danger.

Safety

10 Operating Instructions 971 - 06.0 - 12/2020

 This is what a warning looks like for a hazard that could result in

environmental damage if ignored.

 This is what a warning looks like for a hazard that could result in pro-

perty damage if ignored.

CAUTION

Type and source of danger!

Consequences of non-compliance.

Measures for avoiding the danger.

NOTICE

Type and source of danger!

Consequences of non-compliance.

Measures for avoiding the danger.

Machine description

Operating Instructions 971 - 06.0 - 12/2020 11

3 Machine description

3.1 Elements on the sewing head

Fig. 1: Elements on the sewing head (1)

(1) - Knurled screw for the sewing foot pres-

sure

(2) - Needle thread regulator

(3) - Needle thread monitor

(4) - Needle

(5) - Flap

(6) - Thread monitor

(7) - Oil level sight

(8) - Thread monitor LEDs

(9) - Guide plate

(10) - Motor

(11) - Looper thread tension

(12) - Inspection glass for sewing head oil

(13) - Needle thread tension

(14) - Needle thread guide

①

②

③

④

⑤

⑥

⑦⑧ ⑨

⑩

⑪⑫⑬⑭

Machine description

12 Operating Instructions 971 - 06.0 - 12/2020

Fig. 2: Elemente am Nähkopf (2)

3.2 Elements on the cutting head

Fig. 3: Elements on the cutting head (1)

(15) - Rotary knob for the sewing foot stroke

(16) - Plastic disc: pull the magnetic roller

down in order to swing the sewing

head out

(17) - Magnet: creates a magnetic field for

th

e magnetic roller

(18) - Transport roll to set the correct needle

th

read quantity

(1) - Oil pot for the moving parts in the ma-

chine head

(2) - Weight

(3) - Oil reservoir for top blade holder and

rotati

ng parts

(4) - Sliding block for the parallelism of the

blad

e with the seam contour

(5) - Motor for the cutter and the magnetic

ro

ller

⑰

⑱

⑮⑯

①④⑤

②③

Machine description

Operating Instructions 971 - 06.0 - 12/2020 13

Fig. 4: Elements on the cutting head (2)

(6) - Blow pipe for the sewing material

(7) - Blow pipe for the chain

(8) - Bottom blade

(9) - Top blade

(10) - Sliding block

⑨

⑥

⑦

⑩

⑧

Machine description

14 Operating Instructions 971 - 06.0 - 12/2020

3.3 Elements on the frame

Fig. 5: Elements on the frame

(1) - Compressed air gun

(2) - Pressure controller with pressure gage

(3) - Left pedal

(4) - Rotary knob for the speed of the tzurn-

table

(5) - Right pedal

(6) - Main switch

①

②

③

④

⑤

⑥

Machine description

Operating Instructions 971 - 06.0 - 12/2020 15

3.4 Elements on the control box

Fig. 6: Elemente am Steuerkasten

(1) - Motor circuit breaker

①

Machine description

16 Operating Instructions 971 - 06.0 - 12/2020

3.5 Elements on the stacker

Fig. 7: Elements on the stacker

(1) - Looper for sewing material transport

(2) - Connecting plate between the

material holder and the rack of the

stacker

(3) - Magazine receiving the material

parts

(4) - Lever

(5) - Solenoid valve box

(6) - Fastening rail for the stac

ker cover

(7) - Stacker cover

(8) - Rack

①⑧

②

③

④

⑤

⑥

⑦

Operation

Operating Instructions 971 - 06.0 - 12/2020 17

4 Operation

4.1 Preparing the machine for operation

• Changing the needle

• Threading the needle thread

• Winding the bobbin thread

• Replacing the bobbin thread reel

• Thread tension

• Setting the needle thread tension

• Setting the bobbin thread tension

4.2 Switching on the machine

Fig. 8: Switching on the machine

To switch on the machine:

1. Turn the main switch from position 0 to position I.

 The mach

ine starts up.

The control panel starts up.

To switch off the machine:

1. Turn the main switch from position I to

position 0.

 The mach

ine switches off.

Operation

18 Operating Instructions 971 - 06.0 - 12/2020

4.3 Threading the needle thread

Fig. 9: Threading the needle thread (1)

To thread the needle thread:

1. Place the spool of thread on the thread reel holder (2).

2. Guide the thread alternately through the guide eyelets of the take-up

arm (1).

Fig. 10: Threading the needle thrad (2)

3. Feed the thread through the needle thread tensioner (5) and thread

guides (4).

WARNING

Risk of injury from sharp parts!

Punctures possible.

Switch off the machine before threading.

(1) - Take-up arm (2) - Thread reel holder

①

②

(3) - Thread lever

(4) - Thread guides

(5) - Needle thread tensioner

③④⑤

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Duerkopp Adler 971-01 Operating instructions

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