Dürkopp Adler 52 i-75 Series User manual

52Xi
52Xi-75
Operating Instructions

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Property of Dürkopp Adler GmbH, and protected by copyright. Any reuse
of these contents, including extracts, is prohibited without the prior
written approval of Dürkopp Adler GmbH.
Copyright © Dürkopp Adler GmbH 2023
IMPORTANT
READ CAREFULLY BEFORE USE
KEEP FOR FUTURE REFERENCE

Table of Contents
Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023 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 Proper use...........................................................................................16
3.2 Subclasses .......................................................................................... 17
3.2.1 Machine with short arm ....................................................................... 17
3.2.2 Machine with long arm ........................................................................18
3.3 Sewing equipment...............................................................................19
3.3.1 Machine with short arm ....................................................................... 19
3.3.2 Machine with long arm ........................................................................23
3.4 Optional equipment ............................................................................. 28
3.4.1 Machine with short arm ....................................................................... 28
3.4.2 Machine with long arm ........................................................................29
3.5 Declaration of Conformity.................................................................... 34
4 Operation ...........................................................................................35
4.1 Preparing the machine for operation ................................................... 35
4.2 Switching on and off the machine .......................................................36
4.3 Inserting/replacing the needle ............................................................. 37
4.3.1 Machine 523i, 524i, 525i - needle system 134 .................................... 38
4.3.2 Machine 527i - needle system 134; 134-35 ........................................39
4.4 Threading the needle thread ............................................................... 40
4.5 Winding the hook thread .....................................................................41
4.6 Changing the bobbin and thread hook threading ................................43
4.7 Thread tension ....................................................................................44
4.7.1 Setting the needle thread tension........................................................ 45
4.7.2 Setting the hook thread tension........................................................... 46
4.8 Foot lifting............................................................................................ 48
4.9 Setting the foot pressure ..................................................................... 50
4.10 Setting the stitch length ....................................................................... 51
4.11 Backtacking (reverse feed, closing up) ...............................................52
4.12 Setting of zig-zag stitch width for machines
523i, 524i, 527i and a zig-zag stitch position
for machines 523i, 524i ....................................................................... 53
4.13 Machine control ................................................................................... 55
4.13.1 Pedal control ....................................................................................... 55

Table of Contents
2 Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023
4.13.2 Key control panel................................................................................. 56
4.14 Puller ................................................................................................... 57
4.14.1 Control with hand lever........................................................................ 57
4.14.2 Puller electropneumatic control ........................................................... 58
4.15 Sewing................................................................................................. 60
5 Maintenance....................................................................................... 63
5.1 Cleaning .............................................................................................. 64
5.2 Lubricating........................................................................................... 66
5.2.1 Lubricating the machine head ............................................................. 68
5.2.2 Lubricating the machine 52Xi_188_294 mm ....................................... 69
5.2.3 Hook lubrication................................................................................... 70
5.3 Parts list............................................................................................... 72
6 Setup ..................................................................................................73
6.1 Checking the scope of delivery ...........................................................73
6.2 Removing the transports locks ............................................................ 73
6.3 Assembling the stand .......................................................................... 74
6.4 Table top .............................................................................................76
6.5 Stand height setting.............................................................................79
6.6 Setting the pedal and set value sensor ............................................... 81
6.7 Inserting the machine head ................................................................. 82
6.7.1 Motor integrated on the machine head................................................ 83
6.7.2 Setting of machine blocking switch ..................................................... 84
6.8 Assembling of control panel ................................................................ 85
6.9 Assembling of connecting cable.......................................................... 87
6.10 Assembling the knee lever .................................................................. 88
7 Electrical connection ........................................................................ 90
7.1 Machine connection to low voltage network........................................90
7.2 Lighting transformer connection
to network voltage ............................................................................... 91
7.3 Grounding............................................................................................ 93
7.4 Machine head connection to Efka DC1550/DA321G .......................... 94
7.5 Machine head connecting to DAC.......................................................95
8 Setting of positioning motor ............................................................ 96
8.1 Setting of motor parameters................................................................96
8.1.1 Parameter values - DC 1550/DA321G ................................................ 97
8.1.2 Parameters values - DAC classic........................................................98
8.2 Setting of machine positioning ............................................................ 98
8.2.1 Position definition ................................................................................ 98
8.2.2 Setting of machine positioning ............................................................ 99
8.2.3 Checking of set up positions ............................................................... 99

Table of Contents
Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023 3
9 Checking the lubrication ................................................................100
10 Performing a test run ...................................................................... 100
11 Decommissioning ........................................................................... 101
12 Disposal ...........................................................................................103
13 Troubleshooting .............................................................................. 105
13.1 Customer Service.............................................................................. 105
13.2 Errors in the sewing process ............................................................. 106
14 Technical parameters .....................................................................109
15 Appendix .......................................................................................... 111

Table of Contents
4 Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023

About these instructions
Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023 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 (str. 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
(str. 35) is important for the operators.
• Specialists:
This group has the appropriate technical training for
performing maintenance or repairing malfunctions.
Specifically, the chapter Setup (str. 73) 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 (str. 9).

About these instructions
6 Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023
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 52Xi, 52Xi-75 - 03.0 - 09/2023 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 (str. 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 ap-
plicable European and national regulations. The proper use of the
built-in components is described in the corresponding manufac-
turer's instructions.

About these instructions
8 Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023
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 52Xi, 52Xi-75 - 03.0 - 09/2023 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 ma-
chine. 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 52Xi, 52Xi-75 - 03.0 - 09/2023
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
• 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 52Xi, 52Xi-75 - 03.0 - 09/2023 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 52Xi, 52Xi-75 - 03.0 - 09/2023
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 52Xi, 52Xi-75 - 03.0 - 09/2023 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 52Xi, 52Xi-75 - 03.0 - 09/2023

Machine description
Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023 15
3 Machine description
• A flatbed single-needle machine.
• It sews a double-thread zig-zag lockstitch.
• It has a bi-directional drop feed.
• The machine is equipped with a horizontal hook.
• Wick lubrication.
• There is an automatic bobbin winder on the machine arm.
• According to the selected class, the machine has a manual or
automatic control by solenoid including thread trimming
device.
Subclass 523i
Stitching of laces, ribbons, and tacking of ready-made ladies
underwear and ladies clothes. The sewn material must not be
thicker than 4 mm when pressed down under the presser foot.
Zig-zag stitch width max. 6 mm.
Subclass 524i
Stitching of undercollars in jacket neckholes. Stitching of top col-
lars on the undercollar overhang. Stitching of lining collar in upper
part of trousers. Seaming of edges and similar operations in ready-
made overgarment when sewing woolen, cotton, synthetic, and
mix materials. The sewn material must not be thicker than 4 mm
when pressed down under the presser foot. Zig-zag stitch width
max. 10 mm.
Subclass525i
Ornamental (shape) stitching in ready-made overgarment and
ladies underwear made of elastic materials. Ornamental stitching
in textile footwear. Shoe sewing: stitching of quarters and linings,
topstitching of tongues, sewing of home slippers, ornamental
stitching. Joining of leather and textile materials in leather indus-
try.The sewn material must not be thicker than 4 mm when pressed
down under the presser foot. Zig-zag stitch width max. 10 mm.
Subclass 527i
Shoe sewing: stitching of quarters and linings, topstitching of
tongues, sewing of home slippers, ornamental stitching. Joining
of leather and textile materials in leather industry. The sewn leather
must not be thicker than 4 mm; the sewn textile must not be thicker
than 8 mm when pressed down under the presser foot. Zig-zag
stitch width max. 10 mm.

Machine description
16 Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023
3.1 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
premises 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 52Xi, 52Xi-75 - 03.0 - 09/2023 17
3.2 Subclasses
3.2.1 Machine with short arm
Class and subclass Hook Foot lifting Thread
trimming Backtacking
small (standard) large with increased thread supply knee lever with solenoid without thread trimmer with thread trimmer with hand lever with solenoid
523i 411001 X X X X
523i 447001 X X X X
524i 811001 X X X X
524i 847001 X X X X
524i 911001 X X X X
524i 947001 X X X X
525i 811001 X X X X
525i 847001 X X X X
525i 911001 X X X X
525i 947001 X X X X
527i 811001 X X X X
527i 847001 X X X X
527i 911001 X X X X
527i 947001 X X X X

Machine description
18 Operating Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023
3.2.2 Machine with long arm
Class and subclass Hook Foot lifting Thread
trimming Backtacking
small (standard) large with increased thread supply knee lever with solenoid without thread trimmer with thread trimmer with hand lever with solenoid
525i 811201
525i-811-75
XXXX
525i 847201
525i-847-75
X X X X
525i 811202
525i-811-75-66
XXXX
525i 847202
525i-847-75-66
X X X X
525i 947201
525i-947-75
X X X X
525i 947202
525i-947-75-66
X X X X