DURKOPP ADLER 275 Series User manual

275
Operating Instructions

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Property of Dürkopp Adler AG and protected by copyright.
Any reuse of these contents, including extracts, is prohibited without the
prior written approval of Dürkopp Adler AG.
Copyright © Dürkopp Adler AG 2019
IMPORTANT
READ CAREFULLY BEFORE USE
KEEP FOR FUTURE REFERENCE

Table of Contents
Operating Instructions 275 - 02.0 - 08/2019 1
1 About these instructions .................................................................... 5
1.1 For whom are these instructions intended? ..........................................5
1.2 Representation conventions – symbols and characters........................ 6
1.3 Other documents................................................................................... 7
1.4 Liability ..................................................................................................8
2 Safety.................................................................................................... 9
2.1 Basic safety instructions........................................................................9
2.2 Signal words and symbols used in warnings....................................... 10
3 Machine description.......................................................................... 15
3.1 Components of the machine ............................................................... 15
3.2 Proper use...........................................................................................16
3.3 Declaration of Conformity....................................................................17
4 Operation ........................................................................................... 19
4.1 Preparing the machine for operation ...................................................19
4.2 Switching on and off the machine .......................................................20
4.3 Inserting or changing the needle .........................................................21
4.4 Threading the needle thread ...............................................................23
4.5 Winding the hook thread .....................................................................26
4.6 Changing the bobbin ...........................................................................28
4.7 Thread tension ....................................................................................29
4.7.1 Setting the needle thread tension........................................................30
4.7.2 Setting the hook thread tension...........................................................32
4.8 Setting the needle thread regulator .....................................................33
4.9 Setting the stitch length .......................................................................35
4.10 Upper transport (Multiple width) ..........................................................36
4.10.1 Setting the upper transport length .......................................................36
4.10.2 Setting the second upper transport length (optional) .......................... 37
4.10.3 Limiting the upper transport length......................................................38
4.11 Sewing foot..........................................................................................39
4.11.1 Setting the sewing foot pressure .........................................................39
4.11.2 Setting the downforce pressure for the upper transport foot ............... 41
4.11.3 Lifting the sewing foot..........................................................................42
4.11.4 Locking the sewing foot.......................................................................43
4.12 Edge cutter ..........................................................................................44
4.12.1 Setting the edge cutter without a DAC mini.........................................44
4.12.2 Setting the edge cutter with a DAC mini.............................................. 45
4.12.3 Enabling the edge cutter with a DAC mini...........................................46
4.13 Buttons on the machine arm ...............................................................46
4.14 Sewing.................................................................................................47
5Programming ..................................................................................... 51

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2 Operating Instructions 275 - 02.0 - 08/2019
5.1 DAC mini .............................................................................................51
5.1.1 Smooth sewing....................................................................................53
5.1.2 Sewing with multiple widths.................................................................54
5.1.3 Changing between smooth sewing and a single multiple width .......... 55
5.1.4 Sewing with up to 8 different multiple widths.......................................55
5.1.5 Alternately sewing left and right parts with programmed multiple
widths ..................................................................................................56
5.1.6 Sequence switching via thread cutting ................................................56
5.1.7 Switching on or off the edge cutter......................................................57
5.1.8 Selecting a program ............................................................................57
5.1.9 Creating and changing a program.......................................................58
5.2 DAC basic/classic................................................................................59
6 Maintenance....................................................................................... 65
6.1 Cleaning ..............................................................................................66
6.2 Lubricating...........................................................................................67
6.2.1 Lubricating the machine head .............................................................68
6.2.2 Lubricating the hook ............................................................................69
6.3 Servicing the pneumatic system..........................................................70
6.3.1 Setting the operating pressure ............................................................70
6.3.2 Draining the water condensation.........................................................71
6.3.3 Cleaning the filter element...................................................................72
6.4 Parts list...............................................................................................73
7 Setup .................................................................................................. 75
7.1 Checking the scope of delivery ...........................................................75
7.2 Removing the transport locks..............................................................75
7.3 Assembling the stand .......................................................................... 76
7.4 Tabletop ..............................................................................................77
7.4.1 Completing the tabletop ......................................................................77
7.4.2 Assembling the tabletop to the stand ..................................................79
7.4.3 Assembling the reel stand ...................................................................81
7.5 Setting the working height ...................................................................82
7.6 Assembling the pedal and the setpoint device .................................... 84
7.6.1 Machines without DAC mini ................................................................84
7.6.2 Machines with DAC mini .....................................................................85
7.7 Inserting the machine head .................................................................86
7.8 Assembling the control ........................................................................87
7.9 Assembling the knee switch ................................................................88
7.10 Electrical connection ...........................................................................89
7.10.1 Connecting the control ........................................................................89
7.10.2 Creating the equipotential bonding......................................................90
7.11 Checking the needle positions ............................................................ 91
7.12 Setting the DAC mini multiple width control ........................................92
7.13 Checking the rotation to the reference position...................................96

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Operating Instructions 275 - 02.0 - 08/2019 3
7.14 Pneumatic connection .........................................................................97
7.14.1 Assembling the compressed air maintenance unit ..............................98
7.14.2 Setting the operating pressure ............................................................99
7.15 Performing a test run.........................................................................100
8 Decommissioning ........................................................................... 101
9 Disposal ........................................................................................... 103
10 Troubleshooting .............................................................................. 105
10.1 Customer Service..............................................................................105
10.2 Errors in sewing process ...................................................................106
11 Technical Data ................................................................................. 109
11.1 Data and characteristic values .......................................................... 109
11.2 Requirements for trouble-free operation ........................................... 110
12 Appendix .......................................................................................... 111

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4 Operating Instructions 275 - 02.0 - 08/2019

About these instructions
Operating Instructions 275 - 02.0 - 08/2019 5
1 About these instructions
These instructions 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 (p. 105).
Consider the instructions part of the product and store them in a
place where 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 and has access to
the instructions. Specifically, chapter
Operation (p. 19) is important for the operators.
•Specialists:
This group has the appropriate technical training for perform-
ing maintenance or repairing malfunctions. Specifically, the
chapter Setup (p. 75) is important for specialists.
Service Instructions are supplied separately.
With regard to minimum qualification and other requirements to be
met by personnel, please also follow the chapter Safety (p. 9).

About these instructions
6 Operating Instructions 275 - 02.0 - 08/2019
1.2 Representation conventions – symbols and
characters
Various information in these instructions is represented or high-
lighted by the following characters in order to facilitate easy and
quick understanding:
Proper setting
Specifies proper setting.
Disturbances
Specifies the disturbances that can occur from an incorrect setting.
Cover
Specifies which covers must be disassembled in order to access
the components to be set.
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:
First step
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.
1.
2.
...
•


About these instructions
Operating Instructions 275 - 02.0 - 08/2019 7
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 (p. 9).
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 manufacturer has performed a hazard assessment for these
purchased parts and confirmed their design compliance with
applicable European and national regulations. The proper use of
the built-in components is described in the corresponding manu-
facturer's instructions.

About these instructions
8 Operating Instructions 275 - 02.0 - 08/2019
1.4 Liability
All information and notes in these instructions have been compiled
in accordance with the latest technology and the applicable stan-
dards and regulations.
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 breakage 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 con-
dition 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 the product.

Safety
Operating Instructions 275 - 02.0 - 08/2019 9
2 Safety
This chapter contains basic information for your safety. Read the
instructions carefully before setting up or operating the machine.
Make sure to follow the information included in the safety instruc-
tions. 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.
The instructions should be available at the machine's location at
all times.
Work on live components and equipment is prohibited.
Exceptions are defined in the DIN VDE 0105.
For the following work, switch off the machine at the main switch
or disconnect 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 regu-
lations and the legal regulations concerning industrial safety and
the protection of the environment.

Safety
10 Operating Instructions 275 - 02.0 - 08/2019
All the warnings and safety signs on the machine must always be
in legible condition. Do not remove!
Missing or damaged warnings and safety signs must be replaced
immediately.
Requirements
to be met by
the personnel
Only qualified specialists may:
• set up the machine / put the machine in operation
• perform maintenance work and repairs
• perform work on electrical equipment
Only authorized persons may work on the machine and must first
have understood these instructions.
Operation Check the machine during operating for any externally visible
damage. Stop working if you notice any changes to the machine.
Report any changes 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 is based on the severity of the danger. Signal words
indicate the severity of the danger.
Signal words Signal words and the hazard they describe:
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

Safety
Operating Instructions 275 - 02.0 - 08/2019 11
Symbols The following symbols indicate the type of danger to personnel:
CAUTION (with hazard symbol)
If ignored, moderate or minor 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
Puncture
Crushing
Environmental damage

Safety
12 Operating Instructions 275 - 02.0 - 08/2019
Examples Examples of the layout of warnings in the text:
This is what a warning looks like for a hazard that will result
in serious injury or even death if ignored.
This is what a warning looks like for a hazard that could
result in serious or even fatal injury if ignored.
This is what a warning looks like for a hazard that could
result in moderate or minor injury if the warning is ignored.
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
Operating Instructions 275 - 02.0 - 08/2019 13
This is what a warning looks like for a hazard that could
result in property damage if ignored.
This is what a warning looks like for a hazard that could
result in environmental damage if ignored.
NOTICE
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
14 Operating Instructions 275 - 02.0 - 08/2019

Machine description
Operating Instructions 275 - 02.0 - 08/2019 15
3 Machine description
3.1 Components of the machine
Fig. 1: Components of the machine
(1) - Winder
(2) - Adjusting wheel sewing foot
pressure/downforce pressure
(3) - Locking button
(4) - Sewing foot
(5) - Main tension
(6) - Preliminary tension
(7) - Oil reservoir
(8) - Stitch length adjusting wheels
(9) - Adjusting wheel upper transport
(10)- Handwheel
⑤⑥⑦
⑧
⑨
⑩
②
③
④
①

Machine description
16 Operating Instructions 275 - 02.0 - 08/2019
3.2 Proper use
The machine may only be used with sewing material that satisfies
the requirements of the specific application at hand.
The machine is intended only for use with dry sewing material.
The sewing material must not contain any hard objects.
The needle thicknesses permissible for the machine are listed in
the Technical data (p. 109) chapter.
The seam must be completed with a thread that satisfies the
requirements of the specific application at hand.
The machine is intended for industrial use.
The machine may only be set up and operated in dry conditions
on well-maintained premises. If the machine is operated on pre-
mises that are not dry and well-maintained, then further measures
may be required which must be compatible with
DIN EN 60204-31.
Only authorized persons may work on the machine.
Dürkopp Adler cannot be held liable for damages resulting from
improper use.
WARNING
Risk of injury from live, moving and cutting
parts as well as from sharp parts!
Improper use can result in electric shock, crushing,
cutting and punctures.
Follow all instructions provided.
NOTICE
Non-observance will lead to property damage!
Improper use can result in material damage at the machine.
Follow all instructions provided.

Machine description
Operating Instructions 275 - 02.0 - 08/2019 17
3.3 Declaration of Conformity
The machine complies with European regulations ensuring health,
safety, and environmental protection as specified in the declara-
tion of conformity or in the declaration of incorporation.

Machine description
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