DURKOPP ADLER H868, M-Type H868-190361, M-Type H868-290361 Operating Manual

H868
Operating Manual
All rights reserved. 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 - 2013
Table of contents
1 About this manual...............................................................................3
1.1 Area of applicability ...............................................................................3
1.2 Target group..........................................................................................3
1.3 Symbols and characters used...............................................................4
1.4 Other documents...................................................................................4
1.5 Liability...................................................................................................5
1.6 Transportation .......................................................................................5
1.7 Intended use..........................................................................................5
2 Performance description....................................................................7
2.1 Features ................................................................................................7
2.2 Declaration of conformity (CE) ..............................................................8
2.3 Additional equipment.............................................................................8
2.4 Technical data.......................................................................................9
3 Safety instructions............................................................................11
3.1 Basic safety instructions......................................................................11
3.2 Signal words and symbols used in warnings.......................................12
4 Device description.............................................................................15
5 Operation............................................................................................17
5.1 Switching the power supply on and off................................................17
5.2 Inserting and replacing the needle ......................................................18
5.3 Threading in the needle thread............................................................19
5.4 Inserting and winding on the hook thread............................................22
5.5 Replacing the hook thread bobbin.......................................................25
5.6 Adjusting the thread tension................................................................26
5.6.1 Adjusting the needle thread tension....................................................27
5.6.2 Adjusting the hook thread tension.......................................................28
5.7 Setting the thread regulator.................................................................29
5.8 Lifting the sewing feet..........................................................................30
5.9 Locking the sewing feet in the upper position......................................30
5.10 Sewing foot pressure...........................................................................31
5.11 Sewing foot stroke...............................................................................32
5.12 Stitch length.........................................................................................34
5.13 Setting quick functions at the keypad..................................................36
5.14 Sewing.................................................................................................39
5.15 Maintenance........................................................................................40
5.15.1 Cleaning the machine..........................................................................41
5.15.2 Checking the oil level...........................................................................42
5.15.3 Checking the pneumatic system..........................................................44
5.16 Customer service.................................................................................46
6 Set-up .................................................................................................47
Table of contents
6.1 Checking the scope of delivery............................................................47
6.2 Removing the transport securing devices ...........................................49
6.3 Fitting the frame components..............................................................49
6.4 Fitting the pedal...................................................................................50
6.5 Completing the table plate...................................................................50
6.6 Fastening the table plate to the frame.................................................52
6.7 Fitting the controller.............................................................................53
6.8 Fitting the setpoint device....................................................................54
6.9 Inserting the machine upper section....................................................55
6.10 Fitting the oil extraction line.................................................................56
6.11 Fitting the knee lever...........................................................................57
6.11.1 Fitting the electric knee lever...............................................................57
6.11.2 Fitting the mechanical knee lever........................................................58
6.12 Fitting the control panel.......................................................................59
6.13 Electrical connection............................................................................61
6.13.1 Fitting the sewing lamp........................................................................61
6.13.2 Fitting and connecting the sewing lamp transformer...........................62
6.13.3 Connecting the direct drive..................................................................64
6.14 Pneumatic connection.........................................................................64
6.14.1 Fitting the maintenance unit ................................................................64
6.14.2 Setting the operating pressure ............................................................66
6.15 Lubrication...........................................................................................67
6.16 Sewing test..........................................................................................69
7 Decommissioning..............................................................................71
8 Disposal..............................................................................................73
9 Appendix............................................................................................75
Operating manual H868 Version 00.0 - 07/20132
About this manual

1 About this manual

This operating manual for the special sewing machine H868 was compiled with the utmost care. It contains information and notes in order to make long-term and reliable operation possible.
Should you notice any discrepancies or if you have improvement requests, then we would be glad to receive your feedback, Section 5.16 Customer service.
Please regard the operating manual as part of the product and keep it in a safe place where it can be easily accessed. Read the operating manual completely prior to using the unit for the first time. Only pass the product on to third parties together with the operating manual.

1.1 Area of applicability

This manual describes the intended use and the set-up of the special sewing machine H868.

1.2 Target group

The operating manual is intended for:
• Operating personnel: This group of employees has been trained in operating the machine and can access the operating manual. Specifically Section 5 Operation is important for this group of employees.
• Specialized staff: This group of employees has the appropriate technical training allowing them to perform maintenance on the sewing unit or to repair faults. Specifically Section 6 Set-up is important for this specialized staff. Service instructions are supplied separately.
With regard to minimum qualification and other requirements to be met by the personnel, please also observe Section 3 Safety
instructions.
About this manual

1.3 Symbols and characters used

Different information is depicted or highlighted in this operating manual by the following characters for easier and quicker understanding:
Symbol/character Meaning
Lists are identified by bullet points.
1.
2.
Instructions are numbered and have to be performed in the specified order.
References to further information in this operating manual or other documents are identified by this symbol.
Safety Important warnings for the user of the sewing machine are
specifically marked. Because safety constitutes an area of major importance, hazard symbols, levels of risk, and their signal words are described separately in Section 3 Safety instructions.
Location information
Information on where something is positioned using the terms "right" or "left" must always be regarded from the operator's point of view if the figure gives no other obvious indication for determining the location.

1.4 Other documents

The device contains built-in components from other manufactur­ers. The respective manufacturers have carried out hazard as­sessments for these purchased parts and confirmed compliance of the design with the applicable European and national regula­tions. The intended use of the built-in components is described in the corresponding manuals of the manufacturers.
Operating manual H868 Version 00.0 - 07/20134
About this manual

1.5 Liability

All information and notes in this operating manual have been compiled in accordance with the latest technology and the applicable standards and regulations.
The manufacturer accepts no liability for any damage due to:
• Breakage and transport
• Failure to observe the operating manual
• Improper use
• Unauthorized modifications to the machine
• The deployment of untrained personnel
• Using spare parts not approved

1.6 Transportation

Dürkopp Adler cannot be held liable for any damage during transport. Check the delivered product immediately after receiving it. Report any damage to the last transport manager. This also applies if the packaging is not damaged.
Keep the machines, devices, and packaging material in the condition they were at the time the damage was identified. That secures any claims towards the transport company.
Report all other complaints to Dürkopp Adler immediately after receiving the product.

1.7 Intended use

The Dürkopp Adler H868 is for intended for sewing moderately heavy to heavy material. Moderately heavy material requires needles strengths of 140 – 180 Nm, heavy material requires needles strengths of 180 - 250 Nm.
The machine is only intended for processing dry material. The material must contain no hard objects. The sewing 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 EN 60204-31:1999.
Only authorized/trained persons may work on the machine.
About this manual
The manufacturer will not be held liable for damage resulting from improper use.
WARNING Danger due to high voltage, crushing and sharp
objects. Improper use can result in injuries.
Please follow all instructions in the manual.
ATTENTION Improper use could result in material damage.
Please follow all instructions in the manual.
Operating manual H868 Version 00.0 - 07/20136
Performance description

2 Performance description

The Dürkopp Adler special sewing machine H868 is equipped with an extra-large 3XL hook with a 40 mm bobbin diameter.
The clearance under the sewing feet when lifted is max. 25 mm. The subclasses have a DC drive with a reversing mechanism,
required in order to position the needle above the feet. The special sewing machine positions the needle at the end of
the seam and has an electropneumatic foot lifter above the sewing pedal.
A safety snap-on coupling prevents any misadjustment or damage to the hook in the event of a thread jamming.
Automatic wick lubrication with an oil level indicator at the column eases lubrication of the machine and hook.
The special sewing machine is equipped with a 6-key keypad. An additional switch is located in easy reach of the sewer and can be assigned 6 functions.
Possible operating functions:
• Manual sewing in reverse
• Needle up / down
• Call up the start or end strip or bartack suppression
• Second stitch length
• Switchable thread tension
• Lower the middle stop

2.1 Features

Upper part of the machine
• Single-needle column double lockstitch version
• Double-needle column double lockstitch version
Performance description

2.2 Declaration of conformity (CE)

The machine complies with the European regulations specified in the declaration of conformity or in the installation declaration.

2.3 Additional equipment

A flexible system of additional equipment allows optimal, low-cost equipping of the special sewing machine to suit the respective application.
= Standard equipment = Optional expansion
Order number Additional equipment
0868 590014 Residual-thread monitor for the hook thread, 3XL
hook, 1-needle machines
0868 590024 Residual-thread monitor for the hook thread, 3XL
hook, 2-needle machines 0867 490010 Operating panel bracket  9822 510003 Halogen sewing lamp for upper sewing machine
section 9880 867100 Sewing lamp attachment set 0798 500088 Sewing lamp transformer for halogen sewing
lamp 9880 867103 1-diode sewing lamp with attachments 9880 867118 Integrated diode sewing lamp  9850 001089 Power supply unit for integrated sewing lamp and
1-diode sewing lamp 0797 003031 Pneumatic connection package for connecting
frames with maintenance unit N800 080007 Rollers and straight stop
H868-
190361
H868-
290361







Operating manual H868 Version 00.0 - 07/20138
Performance description
Order number Additional equipment
N800 080033 Swiveling end stop, with stop, roller and seam
H868-
190361
H868-
290361

middle guide N800 005650 Seam center guide from front, pneumatically
switched 9835 901005 Memo dongle, external memory, for data

transmission with DA Classic control 0867 590984 Thread clamp with thread wiper function (FK kit) 9081 300001 Tool set for M-type


0867 590684 Electronic handwheel  MG55 400364 Frame set for motor, attached to the upper

section, table plate 1060 x 600 mm with pedal
(MG 55-3)

2.4 Technical data

Technical data
H868-
190361
Length/width/height [mm] 650/280/690
H868-
290361
Weight without/with direct drive [kg] 72 74 stitch type Lockstitch 301 Hook type Vertical, oversize (3XL) Number of needles 1 2 Needle system 328 (794 and 7x23 are possible
after conversion) Maximum needle strength [Nm] 250 Sewing thread thickness 8/3, braided thread 1.2 mm Stitch length, forwards / backwards [mm] 12 / 12 Number of adjustable stitch lengths 2 Maximum number of stitches 1800
Performance description
Technical data
Number of stitches on delivery 1600 Stitch quantity reduction for stitch lengths of 6 – 12 mm 1200 Stitch quantity reduction for strokes of
1 – 3 mm Reduction of the number of stitches with stroke exceeding
4 mm Reduction of the number of stitches with stroke exceeding
6 mm Reduction of the number of stitches with stroke exceeding
9 mm Maximum stroke height (only with reversing mechanism) 25 Maximum sewing foot stroke 9 Positive operating pressure [bar] 6 Air consumption [NL] 0.7 Rated voltage [V/Hz] 1x230 V - 50/60 Hz Rated power [kVA] 375 W
H868-
190361
H868-
290361
1800
1500
1200
1000
Operating manual H868 Version 00.0 - 07/201310
Safety instructions

3 Safety instructions

This section contains basic instructions for your safety. Read the instructions carefully before setting up, programming, maintaining, or operating the machine. Make sure to follow the information included in the safety instructions. Failure to do this can result in serious injury and damage to the machine.

3.1 Basic safety instructions

The machine may only be used as described in this manual. The operating manual must be available at the machine's location
at all times. Work on live components and equipment is prohibited. Exceptions
are defined in the specifications in DIN VDE 0105. For the following work, the machine must be disconnected from
the power supply using the main switch or by disconnecting the power plug:
Replacing the needle or other sewing tools Leaving the workplace Performing maintenance work and repairs Incorrect or faulty spare parts can impair safety and damage the machine. Therefore only use original spare parts
from the manufacturer.
Feed Use a sturdy lifting carriage or forklift for transporting the machine.
Raise the machine max. 20 mm and secure it against slipping off.
Set-up The connecting cable must have a power plug approved in the
specific country. The power plug may only be connected to the power cable by a qualified specialist.
Operator's obligations
Observe the country specific safety and accident prevention regulations and the legal regulations concerning industrial safety and the protection of the environment.
All warnings and safety signs on the machine must always be in legible condition and may not be removed. Missing or damaged labels must be replaced immediately.
Operating manual H868 Version 00.0 - 07/2013 11
Safety instructions
Requirements to be met by the personnel
The machine may only be set up by qualified specialists. Maintenance work and repairs may only be carried out by qualified
specialists. Work on electrical equipment may only be carried out by qualified
specialists. Only authorized persons may work on the machine. Every person
who works on the machine must have read the operating manual first.
Operation Inspect the machine while in use for any externally visible damage.
Interrupt your work if you notice any changes to the machine. Report any changes to your supervisor. A damaged machine may not be used any more.
Safety equipment
Safety equipment may not be removed or put out of service. If this cannot be avoided for a repair operation, the safety equipment must be refitted and put back into service immediately afterwards.

3.2 Signal words and symbols used in warnings

Warnings in the text are distinguished by color bars. The color scheme is oriented towards the severity of the danger. Signal words specify the severity of a danger:
Signal words Signal words and the endangerment that they describe:
Signal word Endangerment
DANGER Resulting in death or serious injury. WARNING Death or serious injury possible. CAUTION Moderate to minor injuries possible.
ATTENTION Damage possible.
Symbols In the case of dangers to personnel, the following symbols indicate
the type of hazard:
Symbol Type of danger
General danger
Operating manual H868 Version 00.0 - 07/201312
Safety instructions
Symbol Type of danger
Danger due to electric shock
Danger due to sharp objects
Danger due to crushing
Examples Examples of the layout of the safety instructions in the text:
DANGER Type and source of the danger Consequences in the event of noncompliance
Measures for avoiding the danger
This is what a hazard note looks like for a hazard that will result in serious injury or even death if not complied with.
WARNING Type and source of the danger Consequences in the event of noncompliance
Measures for avoiding the danger
This is what a hazard note looks like for a hazard that could result in serious injury or even death if not complied with.
CAUTION Type and source of the danger Consequences in the event of noncompliance
Measures for avoiding the danger
This is what a hazard note looks like for a hazard that could result in moderate or minor injury if not complied with.
Operating manual H868 Version 00.0 - 07/2013 13
Safety instructions
ATTENTION Type and source of the danger Consequences in the event of noncompliance
Measures for avoiding the danger
This is what a hazard note looks like for a hazard that could result in material damage if not complied with.
ATTENTION Type and source of the danger Consequences in the event of noncompliance
Measures for avoiding the danger
This is what an hazard note looks like for a hazard that could result in environmental damage if not complied with.
Operating manual H868 Version 00.0 - 07/201314
Device description

4 Device description

Figure 1: Product overview
10
12
1
11
2
9
3
4
8
5
7
6
(1) - Unwinding bracket with thread
reel holder (2) - Handwheel (3) - Bobbin winder for the hook
thread (4) - Oil level indicator (5) - Adjusting wheels for the stitch
length (6) - Stitch adjustment lever
(7) - Hook (8) - Sewing foot with needle (9) - Keypad on the machine arm (10) - Thread tensions (11) - Adjusting wheel for the sewing
foot pressure
(12) - Adjusting wheels for the
sewing foot stroke
Operating manual H868 Version 00.0 - 07/2013 15
Device description
Operating manual H868 Version 00.0 - 07/201316
Operation
4

5 Operation

5.1 Switching the power supply on and off

The lower main switch (2) on the control regulates the power supply.
Figure 2: Switching the power supply on and off
1
2
3
(1) - Switch for the sewing lamp (2) - Main power supply switch (3) - Indicator lamp on the controller (4) - Indicator lamp on the keypad for quick functions
To switch on the power:
• Press the main switch (2) down to position I. The indicator lamps (3) and (4) light up.
To switch off the power:
• Press the main switch (2) up to position 0. The indicator lamps (3) and (4) go out.
Operating manual H868 Version 00.0 - 07/2013 17

5.2 Inserting and replacing the needle

WARNING Risk of injury by the needle point and moving
parts
Switch off the sewing machine before replacing the needle.
Do not touch the needle point.
Figure 3: Inserting and replacing the needle
1
(1) - Needle bar (2) - Needle screw
4
2
3
(3) - Hook (4) - Groove
Operation
2-needle machines
1. T urn the handwheel back until the needle bar (1) reaches the
upper end position.
2. Loosen the needle screw (2).
3. Pull the needle out towards the bottom.
4. Insert the new needle.
5. Align the needle in such a way that the groove (4) faces the
hook (3).
6. Tighten the needle screw (2).
Note on 2-needle machines:
The procedure for the second needle of 2-needle machines is identical.
• Align the needles in such a way that the grooves face away from each other. Each groove then faces the hook that belongs to this needle.
Operating manual H868 Version 00.0 - 07/201318
Operation
WARNING Damage to the hook point or needle possible
due to incorrect distance from the hook.
The distance between the hook and the needle only needs to be adjusted if the new needle has a different size.
After changing the needle size, adjust the hook distance.
For more information see Service manual.

5.3 Threading in the needle thread

WARNING Risk of injury by the needle point and moving
parts
Switch off the sewing machine before inserting the thread.
Figure 4: Thread guide on the unwinding bracket and machine arm
(1) - Thread stand
2
(2) - Guide on the unwinding
bracket
1
1. Fit the thread reel on the thread reel holder (1).
2. Insert the thread from the rear to the front through a hole in
the guide.
Thread the unwinding bracket (2).
Operating manual H868 Version 00.0 - 07/2013 19
Figure 5: Threading procedure for needle thread – part 1
6
4
5
Operation
1
2
3
9
4
5
8
6
7
(1) - First thread guide (2) - Second thread guide (3) - Pre-tensioner (4) - Additional tensioner (5) - Main tensioner
(6) - Additional screw (7) - Thread tensioning spring (8) - Spring tip (9) - Tightening lever
1. Insert the thread from the rear to the front through the left hole
in the 1st thread guide (1).
2. Insert the thread in a wavelike manner through the 3 holes of
the 2nd thread guide (2): From above to below through the right hole, then from below to above through the hole in the middle and finally from below to above through the left hole.
3. Guide the thread clockwise around the pre-tensioner (3).
4. Guide the thread counterclockwise around the additional
tensioner (4).
5. Guide the thread clockwise around the main tensioner (5).
6. Guide the thread under the additional screw (6) to the thread
tensioning spring.
7. Lift the tightening lever (9) with the thread.
8. Pull the thread under the spring tip (8).
Operating manual H868 Version 00.0 - 07/201320
Operation
Figure 6: Threading procedure for needle thread – part 2
16
15
14
13
10
11
(10) - Thread lever (11) - Thread regulator (12) - Needle eye (13) - Thread guide on the needle bar (14) - Lower thread guide (15) - Upper thread guide (16) - Hook
12
9. Guide the thread under the hook (16).
10.Insert the thread from bottom to top through the hole on the
thread regulator (11).
11. Insert the thread from the right to the left through the thread
lever (10).
12.Insert the thread through the upper thread guide (15).
13.Insert the thread through a hole in the lower thread guide (14).
14.Insert the thread through the thread guide on the needle
bar (13).
15.Insert the thread through the needle eye (12) in such a way
that the loose thread end faces the hook.
16.Pull the thread through the needle eye (12) until the loose
thread end has a length of 4 cm in the highest position at the thread lever (10).
Operating manual H868 Version 00.0 - 07/2013 21
Operation
2-needle machines
2
Note on 2-needle machines:
2-needle machines are equipped with a second tensioning screw triangle for the 2nd needle thread. The threading-in procedure corresponds to that for the 1st needle thread.
Figure 7: Needle thread threading procedure for 2-needle machines
+
+
+
+
1
+
(1) - Tensioning screws in triangular
1234
+
+
arrangement for the second needle thread
(2) - Tensioning screws in triangular
arrangement for the first needle thread
1. Guide the threads through the guides and around the
tensioning screws in such a way that the threads do not intersect.
2. First guide the left-hand needle thread through the left-hand
guide holes and around the left-hand tensioning screw triangle.
3. Then guide the right-hand needle thread through the right-
hand guide holes and around the right-hand tensioning screw triangle
.

5.4 Inserting and winding on the hook thread

WARNING Risk of injury by the needle point and moving
parts
Switch off the sewing machine before inserting the thread.
Operating manual H868 Version 00.0 - 07/201322
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