275 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 written approval in advance of Dürkopp Adler AG.
Table of contents 1 About this manual .................................................. 5 1.1 1.2 1.3 1.4 Scope of application of the manual........................... 5 Damage during transport .......................................... 5 Limitation of liability................................................... 5 Symbols used ........................................................... 6 2 Safety instructions ................................................. 7 2.1 2.2 General safety instructions ...
Table of contents 5.17 5.17.1 5.17.2 5.17.3 5.17.4 5.17.5 5.17.6 5.17.7 5.17.8 5.17.9 5.18 5.19 5.19.1 5.20 5.21 5.21.1 5.21.2 5.22 2 Multiple width control using the DAC mini .............. 45 Smooth sewing ....................................................... 47 Sewing with multiple widths .................................... 47 Changing between smooth sewing and a single multiple width............................................. 48 Sewing with up to 8 different multiple widths ..........
Table of contents 6.16.2 6.17 6.18 Setting the operating pressure................................ 84 Oil lubrication .......................................................... 84 Sewing test ............................................................. 85 7 Disposal................................................................. 87 Operating manual 275 Version 01.
Table of contents 4 Operating manual 275 Version 01.
About this manual 1 About this manual 1.1 Scope of application of the manual This manual describes the intended use and the set-up of the special sewing machine 275. It applies to all submodels listed in Section 3 Performance description. 1.2 Damage during transport 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.
About this manual 1.4 Symbols used Correct setting Specifies the correct setting. Faults Specifies the faults that can occur due to an incorrect setting. Steps to be performed when operating the machine (sewing and equipping) Steps to be performed for servicing, maintenance, and installation Steps to be performed via the software control panel The individual steps are numbered: 1. 1. First step 2. 2. Second step ... The sequence of the steps must always be followed.
Safety instructions 2 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. 2.1 General safety instructions Only authorized persons may use the machine. Every person who works with the machine must have read the operating manual first.
Safety instructions 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. Machines or machine parts that have reached the end of their service life must not be used any longer. They have to be disposed of correctly and in accordance with the applicable statutory provisions. The machine may only be set up by qualified specialists.
Safety instructions 2.2 Signal words and symbols used in safety instructions The safety instruction text is surrounded by colored bars. Signal words specify the severity of a danger: Signal word Degree of severity DANGER Resulting in death or serious injury. WARNING Death or serious injury possible. CAUTION Moderate to minor injuries possible. ATTENTION Damage possible.
Safety instructions 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.
Performance description 3 Performance description 3.1 Features The Dürkopp Adler 275 is a single-needle double lockstitch machine with lower transport and differential foot upper transport for light to moderately heavy material.
Performance description 3.3 Intended use The Dürkopp Adler 281 is intended for sewing light to moderately heavy material. The material must not be thicker than 6 mm when pressed together by the lowered sewing feet. Intended yarn counts: • 30/2 Nm (synthetic threads) • 30/3 Nm (core spun thread) The machine is only intended for processing dry material and may only be operated in dry areas. The material to be sewn must not contain any hard objects. The sewing machine is intended for industrial use.
Performance description 3.4 Technical data Noise emission Workspace-specific emission value as per DIN EN ISO 10821 for 275-140342: stitch type Double lockstitch 301 Hook type Horizontal hook Number of needles Needle system Max. needle strength [Nm] 1 134, 797, Sy195501 70 - 120 Max. sewing thread size Max. stitch length, forwards/backwards [mm] 275942342-01 275742642-01 275740642-01 275142342-01 Features 275140342-01 LpA = 79,5 dB(A); KpA = 0,38 dB(A). 30 4/4 Max.
Performance description Knee lever retrofit set 0271 000661 x Electromechanical device for increasing the upper transport while sewing (second pedal) IMPORTANT: Maintenance unit WE8 and pneumatic connection package required. 0275 590 044 x x Knee switch, switchable between press-only/latching 9880 002005 x x Suction device underneath, with vacuum pump IMPORTANT: Maintenance unit WE8 and pneumatic connection package required.
Material number 275140342-01 275142342-01 275740642-01 275742642-01 275942342-01 Performance description 0271 590024 x x x x x Halogen sewing lamp 12V/20W, 9822 510003 without power supply and mounting parts, to be fitted to the upper section of the sewing machine x x x x x Sewing lamp transformer, 12V/20W, switchable, for sewing lamp 9822 510003 0798 500088 x x x x x Mounting set for mounting the sewing 0APP 001041 lamp on the upper section x x x x x Maintenance unit, WE8 9
Hemmer N005 225303 Split hemmer, pneumatically vertically pivotable, for light material with a hem width of 6 mm. Contains the hemmer from N005 005302 and K N005 005301 with pneumatic switching unit Z100 001041. Used on conjunction with 275-E8 or -E28. IMPORTANT: Maintenance unit WE8 and pneumatic connection package required.
Device description 4 Device description Figure 1: Complete overview ⑩ ① ② ⑨ ③ ④ ⑤ ⑥ ⑦ ⑧ (1) - Bobbin (2) - Adjusting wheel for the sewing foot pressure and downforce pressure (3) - Button for locking the raised sewing foot (4) - Sewing foot (5) - Main tensioner (6) - Preliminary tensioner (7) - Oil reservoir with oil level indicator (8) - Adjusting wheels for the stitch length (forwards/reverse) (9) - Adjusting wheel for the upper transport (multiple width) (10) - Handwheel Operating manual 275
Device description 18 Operating manual 275 Version 01.
Operation 5 Operation 5.1 Switching the power supply on and off The controller is underneath the table plate. The main switch (1) on the controller regulates the power supply. Figure 2: Switching the power supply on and off ① ② (1) - Main power switch (2) - Indicator lamp on the controller To switch on the power: 1. Press the main switch (1) down to position I. The indicator lamp (2) lights up. To switch off the power: 1. Press the main switch (1) up to position 0. The indicator lamp (2) goes out.
Operation 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. Sequence After changing to a needle of a different size, adjust the clearance between the hook and the needle ( Service manual). ATTENTION Damage to the machine, needle breakage, or thread damage is possible due to an incorrect clearance between the needle and hook tip.
Operation Figure 3: Inserting and replacing the needle ① ④ ② (1) - Needle bar (2) - Fastening screw ③ (3) - Hook (4) - Groove 1. Turn the handwheel until the needle bar (1) reaches the upper end position. 2. Loosen the fastening screw (2). 3. Pull the needle out towards the bottom. 4. Insert the new needle. 5. Important: Align the needle so that the groove (4) faces the hook (3). 6. Tighten the fastening screw (2). Operating manual 275 Version 01.
Operation 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 ① ② (1) - Unwinding bracket (2) - Thread stand 1. Fit the thread reel on the thread stand (2). 2. Insert the thread from the rear to the front through a hole in the guide on the unwinding bracket (1). Important: The unwinding bracket (1) must be parallel to the thread stand (2).
Operation Figure 5: Threading procedure for needle thread – part 1 ⑩ ① ⑨ ⑧ ⑦ ② ③ (1) (2) (3) (4) (5) - ⑥ ④ Thread lever Upper hook Thread clamp Lower hook Main tensioner (6) (7) (8) (9) (10) - ⑤ Thread tensioning spring Thread regulator Pre-tensioner 2nd thread guide 1st thread guide 3. Insert the thread through the 1st thread guide (10): From the rear to the front through the rear hole and from the front to the rear through the front hole. 4.
Operation Figure 6: Threading procedure for needle thread – part 2 ① ② ③ ⑪ ⑫ ⑬ (1) - Thread lever (2) - Upper hook (3) - Thread clamp (11) - Thread guide (12) - Thread guide on the needle bar (13) - Needle eye 12. Insert the thread from the right to the left through the thread lever (1). 13. Feed the thread from top to bottom through the upper hook (2). 14. Feed the thread from top to bottom through the thread clamp (3). 15. Feed the thread from top to bottom through the thread guide (11). 16.
Operation 5.4 Inserting and winding on the hook thread WARNING Risk of injury from moving parts. Switch off the sewing machine before inserting the thread. 1. Fit the thread reel onto the thread stand ( page 22). 2. Insert the thread from the rear to the front through a hole in the guide on the unwinding bracket. Important: The unwinding bracket must be parallel to the thread stand.
Operation 10. Press the foot pedal forwards. The machine starts sewing and winds on the hook thread in the process. When the set filling quantity ( Service manual) is reached, then the winding process will stop automatically. The hook thread is normally wound on when sewing is in progress. However, you can also wind on the hook thread without sewing, e.g. if you require a full bobbin in order to start sewing. ATTENTION Risk of damaging the machine when winding without material to be sewn.
Operation 5.5 Replacing the hook thread bobbin WARNING Risk of injury from moving parts. Switch off the sewing machine before replacing the hook thread bobbin. Figure 8: Replacing the hook thread bobbin ① ⑤ ② ③ (1) - Spool housing upper section (2) - Spool housing flap ④ (3) - Bobbin (4) - Tensioning spring (5) - Hole 1. Tilt the sewing machine upper section backwards. 2. Raise the spool housing flap (2). 3. Remove the spool housing upper section (1) together with the bobbin (3). 4.
Operation 5.6 Thread tension The tension of needle thread and hook thread determines the position of the thread interlacing. Correct setting If the tension of needle thread and hook thread is identical, the thread interlacing lies in the middle of the material to be sewn.
Operation 5.6.1 Adjusting the needle thread tension Main tensioner The main tensioner (2) determines the normal tension during sewing. Figure 10: Adjusting the needle thread tension: Main tensioner ① ② (1) - Pre-tensioner (2) - Main tensioner Correct setting The main tension should be set as low as possible. The thread interlacing should be exactly in the middle of the material being sewn.
Operation Pre-tensioner The pre-tensioner (1) holds the thread in position while the main tensioner is open when cutting the thread. The pre-tensioner (1) also determines the length of the initial thread for the new seam when the thread is cut: Figure 11: Adjusting the needle thread tension: Pre-tensioner ① ② (1) - Pre-tensioner (2) - Bolt In the basic position, the upper side of the adjusting wheel for the pre-tensioner (1) is flush with bolt (2) in the center.
Operation 5.6.2 Adjusting the hook thread tension WARNING Risk of injury from moving parts. Switch off the sewing machine before adjusting the hook thread tension. Figure 12: Adjusting the hook thread tension ① ② ③ (1) - Bobbin (2) - Tensioning spring (3) - Braking spring The braking spring (3) and tensioning spring (2) together determine the hook thread tension. The braking spring (3) also prevents the bobbin from running on when the thread is cut.
Operation Figure 13: Adjusting the tension values for the hook thread ① (1) - Braking spring ② ③ (2) - Tensioning spring (3) - Adjusting screw Adjusting the tension values for the hook thread tension 1. Turn back the adjusting screw (3) such that the tension on the tensioning spring (2) is completely removed. 2. Bend the braking spring (1) such that 50% of the recommended hook thread tension value is applied through the braking spring (1). 3.
Operation 5.7 Setting the thread regulator WARNING Risk of injury from moving parts. Switch off the sewing machine before setting the thread regulator. The thread regulator determines the needle thread quantity to be guided around the hook. The required thread quantity depends on the thickness of the material to be sewn, thread strength, and stitch length.
Operation Figure 15: Setting the thread regulator ① ② (1) - Thread regulator (2) - Fastening screw Setting the thread regulator 1. Loosen the fastening screw (2). 2. Move the thread regulator (1): • Lower thread quantity: Slide the thread regulator (1) to the right • Larger thread quantity: Slide the thread regulator (1) to the left 3. Tighten the fastening screw (2). 34 Operating manual 275 Version 01.
Operation 5.8 Adjusting the stitch length The stitch length can be continuously adjusted between 1 and 4 mm by turning the adjusting wheels on the machine column. The upper adjusting wheel is for the stitch length when sewing forwards and the lower adjusting wheel is for the stitch length when sewing in reverse. The adjusting marks to the left of the wheels indicate the stitch length that is currently set.
Operation 5.9 Setting the upper transport (multiple width) When the stitch length for sewing forwards is changed at the adjusting wheel the upper transport length is automatically adjusted to suit. The upper transport length can also be manually set via the adjusting wheel (1). The pointer (2) shows the value that is currently set. Figure 17: Setting the upper transport ① ② (1) - Upper transport length adjusting wheel (2) - Pointer Setting the upper transport length 1.
Operation 5.10 Setting the second upper transport length When using mechanically or electropneumatically switched multiple widths (additional equipment) a second (larger) upper transport length can be set at the adjusting wheel (1). The currently set value is can be read at the pointer (2). Figure 18: Setting the second upper transport length ① ② (1) - Second upper transport adjusting wheel (2) - Pointer Setting the second upper transport length 1.
Operation 5.11 Limiting the upper transport length Certain equipment ( Sewing equipment parts list) requires the maximum upper transport length to be limited to a value less than 8 mm. The limiter (1) for this is supplied with the corresponding sewing equipment. Figure 19: Limiting the upper transport length ① (1) - Limiter Setting the limiter for maximum upper transport length 1. Complete the assembly of the limiter (1) with washer and screw. 2. Insert the limiter (1) into the slot and turn by 90°. 3.
Operation 5.12 Setting the sewing foot pressure The adjusting wheel (1) on the machine head determines the contact pressure of the sewing foot on the material to be sewn. The pressure can be adjusted continuously by turning the wheel. Correct setting The material being sewn does not slip and is correctly transported. The correct pressure depends on the material to be sewn. Important: The upper transport foot must lie on the transporter when checking the sewing foot pressure.
Operation 5.13 Setting the downforce pressure for the upper transport foot The downforce pressure for the upper transport foot (gripper transport) is set using the adjusting wheel (1) on the machine head. The pressure can be adjusted continuously by turning the wheel. Correct setting The material being sewn does not slip and is correctly transported. The correct pressure depends on the material to be sewn.
Operation 5.14 Lifting the sewing foot The sewing foot can be lifted mechanically using the knee lever (additional equipment) or electromagnetically using the foot pedal to insert or move the material being sewn. Figure 22: Lifting the sewing foot using the knee lever ① ② (1) - Knee lever (2) - Pedal Lifting the sewing foot using the knee lever 1. Push the knee lever (1) to the right. The sewing foot is lifted and stays up for as long as the knee lever is pressed.
Operation 5.15 Locking the sewing foot in place in the upper position The button on the machine head can be used to hold the lifted sewing foot in the upper position, e. g. in order to wind on the hook thread. Figure 23: Locking the sewing foot in the raised position ① (1) - Locking button Locking the sewing foot in the raised position 1. Raise the sewing foot with the knee lever or pedal. ( Section 5.14 Lifting the sewing foot, page 41) 2. Press the locking button (1). 3.
Operation 5.16 Operating the edge cutter The lowering and raising of the edge cutter is defined via the parameter settings in the controller. Read the Operating manual for the DAC classic or DAC basic controller for information on this. The operating manual for the controller is provided in the accessory pack delivered with the controller. The operating manual for the controller is also available in the download area at www.duerkopp-adler.com.
Operation 5.16.2 Setting the edge cutter with a DAC mini On machines with a DAC mini the switch (2) for the edge cutter is located on the rear side of the DAC mini under the table plate. Figure 25: Setting the edge cutter with a DAC mini ① (1) - Edge cutter LED ② (2) - Edge cutter switch Setting the edge cutter with a DAC mini 1. Set the switch (2) to the desired position: • Switch off the edge cutter: Position 0 The LED (1) is off.
Operation 5.17 Multiple width control using the DAC mini The DAC mini allows programming and semi-automatic calling of different multiple widths within a seam. You can save up to 30 different programs, each with up to 8 different multiple width sequences. The current multiple width is shown in the display in every sequence and can be manually changed at any time. Switching from one sequence to the next is performed using the knee switch or automatically when the thread is cut at the end of a seam.
Operation Key Function Plus/Minus keys These keys are used to setting the upper transport length for the respective sequence or for smooth sewing. Values from 1 to 8 can be set. The upper transport length can only be a maximum of 1 mm smaller than the stitch length. If the upper transport length is reduced further then the stitch length is also reduced. (De-) Activation key Pressing this key and a sequence key at the same time switches the corresponding sequence from active to inactive and vice-versa.
Operation 5.17.1 Smooth sewing 1. Press the = key for smooth sewing. The green LED above the key lights up. The display shows the current upper transport length. The upper transport length can be adjusted using the Plus/Minus keys if the sewing results are not satisfactory. The changed setting of the upper transport length is stored immediately. 5.17.2 Sewing with multiple widths 1.
Operation 5.17.3 Changing between smooth sewing and a single multiple width 1. Press the = key for smooth sewing and the key for the desired multiple width sequence at the same time. The green LEDs above both keys light up. 2. Changing between smooth sewing and multiple width: Actuate the knee switch (or at the end of the seam, press the foot pedal all the way back to cut the thread). 3. Switching off the alternating processing mode: Press the =key for smooth sewing. 5.17.
Operation 5.17.5 Alternately sewing left and right parts with programmed multiple widths 1. Press the Automatic direction change key. ( page 46) The green LED above the key lights up. The sequences are processed alternately in increasing order and then in decreasing order. When this function is activated, under the settings provided on delivery, two thread cutting procedures are required in the first and last sequences in order to switch to the next sequence. 5.17.
Operation 5.17.8 Selecting the program After the machine is switched on, the current program is displayed briefly. A program consists of a series of sequences, each of which having a particular upper transport value. The sequences are processed consecutively from 1 to 8. Individual sequences can be deactivated but the sequences cannot be assigned more than once and their consecutive positions cannot be changed. Selecting the program 1.
Operation 5.18 Keypad on the machine arm A keypad is located on the machine arm, which is equipped with different keys depending on the subclass and installed equipment. Figure 27: Keypad variants ① (1) - Additional equipment Element Function/Meaning Bartack toggle When bartacking is generally switched on then this key switches off the next bartack. When bartacking is generally switched off then this key switches on the next bartack.
Operation 5.19 Operating the controller The machine is operated using the DAC basic or DAC classic controller. Operating the controller is described in an individual Operating Manual. The operating manual for the DAC basic or DAC classic is provided in the accessory pack delivered with the controller. The operating manual for the controller is also available in the download area at www.duerkopp-adler.com. 5.19.1 Control panel for the controller The controller is equipped with the OP 1000 control panel.
Operation Overview of the functions on the control panel Key Function Status LED display 1 Thread cutter Off LED off On LED on 2 Thread clamp Off LED off On LED on 3 Initial bartack Off LEDs off Single bartack Lower right LED on Double bartack Both LEDs on Off LED off On LED on 4 5 6 Multiple initial bartack Softstart Final bartack Off LED off On LED on Off LEDs off Single bartack LED top left on Double bartack Both LEDs on 7 Multiple final bartack Off LED off On
Operation Key Function Status LED display 16 Needle position after sewing stop Needle down LED off Needle up LED on F Freely programmable key ESC Escape key, abort P Programming key Ready for programming LED on + Increase value - Decrease value OK Confirmation Reset Bobbin supply 54 Operating manual 275 Version 01.
Operation 5.20 Sewing WARNING Risk of injury from the needle tip when sewing is started unintentionally. Take care not to accidentally press the foot pedal when your fingers are in the needle tip area. The foot pedal starts and controls the sewing process.
Operation to position sewing material 1. Press the foot pedal halfway back in pedal position -1: The sewing foot is raised. 2. Push the material to be sewn into the initial position. 3. Release the foot pedal in pedal position 0: The sewing foot lowers onto the material. Start the seam Without start bartack: 1. Activate the bartack toggle key ( page 51). With start bartack: 2. Press the foot pedal forwards in pedal position +1: The machine sews.
Operation Sewing a multiple width with a DAC mini Section 5.17 Multiple width control using the DAC mini, page 45 Sew an intermediate bartack 1. Activate the manual reverse sewing key ( page 51). The machine sews in reverse while the key is pressed. The speed is determined by the pedal. AT THE END OF THE SEAM Finish the seam Without end bartack: 1. Activate the bartack toggle key ( page 51). With end bartack: 2. Press the foot pedal fully back to pedal position -2 and hold it in this position.
Operation 5.21 Maintenance This section describes simple maintenance work that needs to be carried out on a regular basis. This maintenance work can be carried out by the operating personnel. Advanced maintenance work may only be carried out by qualified specialists. Advanced maintenance work is described in the Service Manual. 5.21.1 Cleaning work WARNING Risk of injury due to flying particles. Switch off the machine at the main power switch before starting any cleaning work.
Operation Cleaning steps 1. Switch off the power supply at the main switch. 2. Remove any sewing dust and thread remains using a compressed-air pistol or a brush. 3. Remove sewing dust and cutting waste from the oil pan. ATTENTION Possible damage to the paintwork from solvent-based cleaners. Solvent-based cleaners damage the paintwork of the machine. Only use solvent-free substances for wiping the machine. Operating manual 275 Version 01.
Operation 5.21.2 Oil lubrication WARNING Skin injuries due to contact with oil Oil can cause a rash if it comes into contact with the skin. Avoid any skin contact with the oil. If oil gets on your skin, wash the affected skin areas thoroughly. ENVIRONMENTAL PROTECTION Risk of environmental damage from oil. Oil is a pollutant and must not enter the sewage system or the soil. Collect waste oil carefully and dispose of it and oily machine parts in accordance with the applicable statutory regulations.
Operation Lubrication of the upper part of the machine Figure 30: Oil level indicator ① ② ③ (1) - Refill opening (2) - Maximum level mark (3) - Minimum level mark Checking the oil level 1. Check the oil level indicator every day. Correct setting The oil level must always be between the minimum level marking (3) and the maximum level marking (2). Topping up with oil Pour in oil through the refill opening (1) as required. 1. Switch off the sewing machine at the main switch. 2.
Operation Hook lubrication Check the oil level for hook lubrication approx. once every week. Figure 31: Hook lubrication ① (1) - Oil reservoir Correct setting The oil level must always be between the minimum level marking and the maximum level marking. Checking the oil level 1. Switch off the sewing machine at the main switch. 2. Tilt the machine upper section backwards. 3. Check the quantity of oil in the reservoir (1). 4. Pour in oil through the refill hole as required. 5.
Set-up 6 Set-up WARNING Risk of injury. The machine may only be set up by trained specialists. Wear safety gloves and safety shoes when unpacking and setting up. 6.1 Checking the scope of delivery Important: The scope of delivery depends on your specific order. 1. Prior to set-up, check that all parts are present. Figure 32: Example of scope of delivery ⑨ ① ② ⑧ ③ ④ ⑦ ⑤ (1) (2) (3) (4) (5) - ⑥ Machine upper section Table plate Drawer Frame Pedal Operating manual 275 Version 01.
Set-up Standard equipment: • Upper part of machine (1) • Oil pan (not illustrated) - in the accessory kit • Thread stands with unwinding bracket (9) - in the accessory kit • Controller (8) • Control panel for the controller (not illustrated) • Setpoint device (6) with rod • Pedal (5) with rod • Small parts in an accessory pack Optional additional equipment: • Table plate (2) • Drawer (3) • Frame (4) • Pneumatic maintenance unit (7) • DAC mini controller with control panel (not illustrated) 6.
Set-up 6.3 Fitting the frame components Figure 33: Fitting the frame components ① ② ③ ④ ⑤ (1) - Head sections (2) - Frame bars (3) - Cross bars (4) - Foot struts (5) - Cross strut 1. Screw the cross bars (3) onto the frame bars (2). 2. Screw the cross strut (5) onto the foot struts (4). 3. Screw the head sections (1) onto the frame bars (2). Operating manual 275 Version 01.
Set-up 6.4 Completing the table plate Figure 34: Completing the table plate ① ② ③ ④ ⑤ (1) - Upper section support (2) - Rubber inlays (3) - Rest plugs ⑥ (4) - Drawer (5) - Cable duct (6) - Oil pan 1. Insert the upper section support (1) into the holes in the table plate. 2. Fit the rubber inserts (2) into the recesses. 3. Insert the rest plugs (3) and slide on with compression springs. 4. Screw the drawer (4) and its brackets under the table plate at the left. 5.
Set-up 6.5 Fastening the table plate to the frame Machines without a DAC mini multiple width controller 1. Fasten the table plate to the frame with wood screws (B8 x 35) according to the dimensions on the diagram. Figure 36: Dimensions for fastening the table plate to the frame 6.
Set-up Figure 38: Fastening positions for machines with DAC mini ② ③ ① ④ ⑤ (1) (2) (3) (4) - 1. 2. 3. 4.
Set-up 6.6.1 Fitting the thread stands Figure 39: Fitting the thread stands ① ② ③ (1) - Thread stand (2) - Unwinding bracket (3) - Thread reel holder 1. Insert the thread stand (1) into the hole. 2. Fasten the thread stand (1) with nut and washer. 3. Screw the thread reel holder (3 and the unwinding bracket (2) onto the thread stands (1) in such a way that they are exactly parallel above each other. Operating manual 275 Version 01.
Set-up 6.7 Setting the working height The working height is continuously adjustable between 750 and 900 mm (clearance between the floor and upper edge of the table plate). Figure 40: Setting the working height ① ① (1) - Screws 1. Loosen all four screws (1) on the head sections. 2. Set the table plate to the desired height. Important: Pull out or push in the table plate evenly at both sides to prevent it from jamming. 3. Tighten the screws (1) on the head sections. 70 Operating manual 275 Version 01.
Set-up 6.8 Inserting the machine upper section Figure 41: Inserting the machine upper section ① ④ ② ③ (1) - Machine upper section (2) - Upper hinge parts (3) - Rubber inlays (4) - Supporting screws WARNING Risk of crushing The machine upper section is heavy. Take care not to jam your hands when fitting the machine upper section. This especially applies when fitting the upper hinge parts into the rubber inlays.
Set-up 6.9 Fitting the controller The machine is operated using the DAC basic or DAC classic controller with the OP 1000 control panel. Figure 42: Fitting the controller ② ① ③ (1) - Strain relief mechanism (2) - Screw holder (3) - Controller 1. Screw the controller (3) onto the four screw holders (2) under the table plate. 2. Clamp the power cable for the controller into the strain relief mechanism (1). 3. Screw the strain relief (1) under the table plate. 72 Operating manual 275 Version 01.
Set-up 6.10 Fit the pedal and setpoint device 6.10.1 Machines without DAC mini Figure 43: Install the pedal and setpoint device (without DAC mini) ① ② ③ ⑥ ④ ⑤ (1) - Angle piece (2) - Setpoint device (3) - Screw (4) - Pedal rod (5) - Pedal (6) - Cross strut 1. Fit the pedal (5) onto the cross strut (6) and align it in such a way that the middle of the pedal is under the needle. The cross strut has elongated holes to allow alignment of the pedal. 2. Screw the pedal (5) firmly onto the cross strut (6).
Set-up 6.10.2 Machines with DAC mini On machines with DAC mini the setpoint device is installed at a different position. Important: With this subclass a large number of assemblies are fitted under the table plate. For this reason it is essential to observe the dimensional diagram of the table plate ( page 67). Figure 44: Install the setpoint device (with DAC mini) ① (1) - Angle piece 1. Screw the angle bracket (1) under the table plate at the position shown in the diagram. 2.
Set-up 6.11 Installing the knee switch The knee switch is screwed under the table plate. Different positions are used for machines without a DAC mini and machines with a DAC mini. Figure 45: Position of the knee switch: Machines without a DAC mini ① (1) - Knee switch Figure 46: Position of the knee switch: Machines with DAC mini ① (1) - Knee switch 1. Screw the knee switch (1) under the table plate in the correct position for the respective machine. Operating manual 275 Version 01.
Set-up 6.12 Electrical connection DANGER Danger to life due to electric shock. The machine may only be connected by trained electrical specialists. Disconnect the power plug before carrying out work on the electrical equipment. Make sure the power plug cannot be unintentionally reinserted. The voltage on the type plate of the sewing drive must correspond to the mains voltage. 6.12.
Set-up 6.12.3 Establishing equipotential bonding DANGER Danger to life due to electric shock. Disconnect the power plug before establishing equipotential bonding. Make sure the power plug cannot be unintentionally reinserted. The grounding wire conducts any static charging to ground. Figure 47: Establishing equipotential bonding ① ② ① ③ (1) - Fastening screw (2) - Grounding wire (3) - Cable lug 1. Attach the grounding wire (2) to the motor using the fastening screw (1). 2.
Set-up 6.13 Checking the needle positions The needle positions were correctly set before delivery. Despite this, the needle positions should be checked before starting the machine. Requirements The following requirements must be satisfied for performing the test: • Sewing foot locked in place in the upper position. ( page 42) • During an intermediate stop the machine stops in position 1 (needle down) ( page 52). Checking needle position 1 1. Switch on the main switch 2.
Set-up 6.14 Setting the DAC mini multiple width controller Figure 48: DAC mini control panel ① ② (1) - Key for smooth sewing (2) - Sequence keys (3) - Display ③ ④ (4) (5) (6) (7) - ⑤ ⑥ ⑦ Plus/Minus keys (De-) Activation key F key Direction-change key Checking the basic settings of the controller After setting up the machine the basic settings of the controller must be checked and adjusted if necessary. Calling up the special functions 1.
Set-up Setting the brightness of the LEDs and the display 1. After calling up the special functions ( page 79), press sequence key 2. All LEDs are switched on. The display (3) shows the Brightness selection: 2. Set the brightness using the Plus/Minus keys (4). The brightness can be changed in 8 levels. Level 3 is set when the machine is delivered. 3. Save the desired brightness by pressing the F (6) key twice. The LED above the key goes out.
Set-up Continue switching the sewing sequence vie thread cutting When sewing multiple widths in a program the next sequence is usually activated by cutting the thread. 3 methods of switching the next sequence via thread cutting are available: 1. After calling up the special functions ( page 79), press sequence key 5. The display (3) shows the A5 selection: 2. Select the desired setting using the Plus/Minus keys (4): • Thread cutting does not switch to the next sequence: Set the display to 00.
Set-up 6.15 Rotating to the reference position Each time the machine is switched on the stepper motor rotates to the reference position and then returns to the current upper transport length in order to set the upper transport length. This is necessary to ensure that the value shown in the display agrees with the actual upper transport length. WARNING Risk of injury from sharp and moving parts. Do not reach into the area of moving machine parts while testing the reference position.
Set-up 6.16 Pneumatic connection 6.16.1 Fitting the maintenance unit The pneumatic connection package is available under order number 0797 003031. It consists of: • System connection hose (length 5 m, diameter 9 mm) Hose connectors and hose clamps Coupling socket and coupling plug • • Correct setting The system pressure for the pneumatic unit is 8 – 10 bar. ATTENTIO Machine damage possible due to incorrect pressure. An incorrect pressure can cause damage to the machine.
Set-up 6.16.2 Setting the operating pressure Correct setting The operating pressure for the pneumatic unit is 6 bar. ATTENTIO Machine damage possible due to incorrect pressure. An incorrect pressure can cause damage to the machine. Make sure that the operating pressure is set correctly before putting the machine into operation. Figure 51: Setting the operating pressure 1 6 4 8 2 10 2 0 (1) - Rotary handle (2) - Pressure indicator 1. Pull the turning handle (1) up. 2.
Set-up 6.18 Sewing test Carry out a sewing test before starting up the machine. Adjust the machine to the requirements of the material to be sewn. To do this, read the corresponding sections in the Operating manual. Read the corresponding sections in the Service manual in order to make adjustments to the machine if the sewing results do not conform to the requirements.
Set-up 86 Operating manual 275 Version 01.
Disposal 7 Disposal The customer is responsible for disposal of the machine and packaging materials. The machine must not be disposed of via the normal household waste. The machine must be disposed of in an appropriate and correct manner according to the national regulations. ENVIRONMENTAL PROTECTION Risk of environmental damage due to incorrect oil disposal. Incorrect disposal of old oil can result in severe environmental damage. Always follow the statutory rules in regard of disposal.
Disposal 88 Operating manual 275 Version 01.
Subject to design changes - Printed in Germany - © Dürkopp Adler AG - Original Instructions - 0791 275740 EN - 01.0 - 01/2016 DÜRKOPP ADLER AG Potsdamer Str. 190 33719 Bielefeld Germany Phone +49 (0) 521 925 00 E-Mail: service@duerkopp-adler.com www.duerkopp-adler.
