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About this manual

Operating manual 281 Version 06.0 - 05/2013

3

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 281.

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. 
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.

1.3 Limitation of 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:
• Failure to observe the instructions in the manual
• Improper use
• Unauthorized modifications to the machine
• The deployment of untrained personnel
• Damage during transport
• Using spare parts not approved

Summary of Contents for DAC classic 281

Page 1: ...281 Operating Manual...

Page 2: ...erved Property of D rkopp Adler AG and protected by copyright Any reuse of these contents including extracts is prohibited without the written approval in advance of D rkopp Adler AG Copyright D rkopp...

Page 3: ...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 20 5 4 Inserting and winding on the hook thread 23 5 5 Setting the bobbin fil...

Page 4: ...Fastening the table plate to the frame 55 7 6 Setting the working height 56 7 7 Controller 57 7 7 1 Fitting the controller 57 7 7 2 Fit the pedal and setpoint device 58 7 8 Inserting the machine uppe...

Page 5: ...ing 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 ot...

Page 6: ...d via the software control panel The individual steps are numbered 1 First step 2 Second step The sequence of the steps must always be followed Result of performing an operation Change to the machine...

Page 7: ...only be used as described in this manual The operating manual must be available at the machine s location at all times Also observe the safety instructions and the operating manual for the drive Obse...

Page 8: ...d repairs may only be carried out by qualified specialists 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 refit...

Page 9: ...nal words specify the severity of a danger Danger Resulting in death or serious injury Warning Death or serious injury possible Caution Moderate to minor injuries are possible Attention Damage possibl...

Page 10: ...s 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 CAUTION Type and source of the danger Consequences in th...

Page 11: ...an be activated on the control panel Electromagnetic automatic tying stitch Integrated operation lock for sewing drive when the upper part is pivoted Integrated winder 3 2 Declaration of conformity Th...

Page 12: ...1 Needle bar piston dimension mm 2 0 2 0 1 62 Max needle strength Nm 65 100 90 130 9 16 Max sewing thread size 50 3 30 3 50 3 Max stitch length forwards backwards mm 4 5 6 4 5 Max number of stitches r...

Page 13: ...ation plate can be horizontally pivoted outwards N900 012015 X x x Right edge stop 0 50 mm fastening on foundation plate can be pivoted upwards fastening on fabric bar bush N900 020021 x x x Right edg...

Page 14: ...Compensating hinged foot for edge stitching 3 2 mm to the right of the needle 0204 001322B x x Compensating hinged foot for edge stitching 4 8 mm to the right of the needle 0204 001322C x x Zipper foo...

Page 15: ...60x500 mm table plate with a pedal and drawer MG53 400454 x x x Frame with rollers incl 1250x900x700 mm table plate with a pedal and drawer MG53 400554 x x x standard equipment X optional additional e...

Page 16: ...Performance description Operating manual 281 Version 06 0 05 2013 14...

Page 17: ...Figure 1 Complete overview 1 Control panel 2 Preliminary tensioner 3 Thread regulator 4 Main tensioner 5 Needle bar 6 Pushbutton on the machine arm 7 Adjusting wheel for the sewing foot pressure 8 St...

Page 18: ...Device description Operating manual 281 Version 06 0 05 2013 16...

Page 19: ...main switch 1 on the controller regulates the power supply Figure 2 Switching the power supply on and off To switch on the power 1 Press the main switch 1 down to position I The indicator lamp 2 ligh...

Page 20: ...ing stitches Thread damage After inserting a thicker needle Damage to the hook tip Damage to the needle Risk of injury by the needle point and moving parts Switch off the sewing machine before replaci...

Page 21: ...e 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 t...

Page 22: ...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 Risk...

Page 23: ...rough the front hole 5 Guide the thread counterclockwise around the pre tensioner 3 6 Press in the pin 8 on the thread tension magnet on the rear side of the machine to release the main tensioner 7 Gu...

Page 24: ...the thread lever protection 10 12 Insert the thread through the thread guide 11 13 Insert the thread through the thread clamp 12 14 Insert the thread through the thread guide on the needle bar 13 15 I...

Page 25: ...e three holes on the first thread guide 1 From the rear to the front through the left hole from the front to the rear through center hole and finally from the rear to the front through the right hole...

Page 26: ...12 Remove the full bobbin from the bobbin shaft 2 13 Clamp the thread under the cutter 6 and tear the thread off The hook thread is normally wound on when sewing is in progress However you can also w...

Page 27: ...metallic bobbin winder piece 2 Lower filling quantity Pivot the metallic bobbin winder piece 2 towards the bobbin Larger filling quantity Pivot the metallic bobbin winder piece 2 away from the bobbin...

Page 28: ...moves in the direction of the arrow when pulling off the thread 5 Guide the hook thread through the slot underneath the tensioning spring 4 and into the hole 5 6 Pull the hook thread approx 5 cm out o...

Page 29: ...ead 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 Figure 11 Thread interlacing 1 Identic...

Page 30: ...be set as low as possible The thread interlacing should be exactly in the middle of the material being sewn Faults due to excessively high tension Crimping Thread breakage Adjusting the main tension...

Page 31: ...nitial thread for the new seam when the thread is cut Figure 13 Adjusting the pre tensioner In the basic position the upper side of the adjusting wheel for the pre tensioner 1 is flush with bolt 3 in...

Page 32: ...read interlacing should be exactly in the middle of the material being sewn Section 5 7 Thread tension page 27 If the loose thread end is held tightly then the spool housing should slowly lower throug...

Page 33: ...e spool housing upper section and threadinthe hookthread Section5 4 Insertingandwinding on the hook thread page 23 4 Insert the spool housing together with the bobbin into the hook 5 Hold tight the fr...

Page 34: ...ength Larger thread quantity for thick material high thread strengths large stitch lengths Lower thread quantity for thin material low thread strengths small stitch lengths Correct setting The loop of...

Page 35: ...r Setting the thread regulator 1 Loosen the fastening screws 2 2 Move the thread regulator 1 Lower thread quantity Slide the thread regulator 1 to the right Larger thread quantity Slide the thread reg...

Page 36: ...d backwards sewing Figure 18 Adjusting the stitch length Adjusting the stitch length 1 Turn the adjusting wheel 2 Larger stitch length Turn the adjusting wheel 2 counterclockwise Smaller stitch length...

Page 37: ...t setting The material being sewn does not slip and is correctly transported The correct pressure depends on the material to be sewn Faults due to incorrectly set sewing foot pressure Excessively high...

Page 38: ...gure 20 Lifting the sewing foot using the knee lever Lifting the sewing foot 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 Loweri...

Page 39: ...er upwards to position 2 The sewing foot is locked in place in the upper position Removing the locking mechanism 1 Pivot the lever downwards to position 1 The sewing foot is lowered The locking mechan...

Page 40: ...ge 39 Bartack sewing Raising the needle Bartack suppression A multi function pushbutton is available as additional equipment Figure 23 Additional equipment multi function pushbutton The buttons can be...

Page 41: ...he accessory pack delivered with the controller You can also find the operating manual in the download area at www duerkopp adler com 5 14 1 Control panel for the controller The DAC BASIC controller i...

Page 42: ...ED off On LED on 5 Softstart Off LED off On LED on 6 Final bartack Off LEDs off Single bartack LED top left on Double bartack Both LEDs on 7 Multiple final bartack Off LED off On LED on 8 Reduced sewi...

Page 43: ...foot down LED off Sewing foot up LED on 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 to be programme...

Page 44: ...tion 1 The sewing foot is raised 2 Push the material to be sewn into the initial position Sewing 1 Press the foot pedal forwards in pedal position 1 The machine sews The sewing speed increases the fur...

Page 45: ...ength page 34 To sew intermediate bartacks 1 Push the stitch adjustment lever down Section 5 9 Adjusting the stitch length page 34 or 1 Press the pushbutton on the machine arm if programmed for that S...

Page 46: ...Operation Operating manual 281 Version 06 0 05 2013 44...

Page 47: ...ating hours using a compressed air pistol or a brush In the case of very fluffy material to be sewn the machine must be cleaned more frequently Malfunctions possible due to machine contamination Sewin...

Page 48: ...4 Motor fan filter 2 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 1 Area under the needle plate...

Page 49: ...ter 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 ENVIRONMENTAL PROTECTION Machine damage p...

Page 50: ...DA sales offices 9047 000011 250 ml 9047 000012 1 l 9047 000013 2 l 9047 000014 5 l Figure 27 Hook lubrication Correct setting The oil level must always be between the minimum level marking and the ma...

Page 51: ...s ISO VG32 DA 32 can be obtained under the following part number at DA sales offices 9047 000032 90 ml Figure 28 Gear lubrication Correct setting The oil level must be around the middle of the inspect...

Page 52: ...0 05 2013 50 6 3 Repairs Contacts for repair in the event of damage to the machine D rkopp Adler AG Potsdamer Str 190 33719 Bielefeld Ph 49 0 180 5 383 756 Fax 49 0 521 925 2594 Email service duerkop...

Page 53: ...eck that all parts are present Figure 29 Example of scope of delivery when all components are delivered complete Risk of injury The machine may only be set up by trained specialists Wear safety gloves...

Page 54: ...ontroller 1 Knee lever not illustrated Rod 7 Optional additional equipment Table plate 3 Drawer 4 Frame 5 Pedal 6 Sewing light not illustrated 7 2 Removing the transport securing devices All transport...

Page 55: ...ame components Figure 30 Fitting the frame components 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...

Page 56: ...the table plate 2 Screwtheoil pan 5 inplacewitheightscrews 3 9x15 under the recess for the machine 3 Insert the support 2 into the hole 4 Fit the lower hinge parts 3 into the recesses 5 Fit the rubber...

Page 57: ...late 1 onto the head sections 2 2 Tighten the table plate 1 on both sides using wood screws B8 x 35 Important Screw the table plate 1 onto the head sections 2 such that the table plate is flush with t...

Page 58: ...900 mm clearance between the floor and upper edge of the table plate Figure 33 Setting the working height 1 Loosen all four screws 1 on the head sections 2 Set the table plate to the desired height Im...

Page 59: ...0 control panel 7 7 1 Fitting the controller Figure 34 Fitting the controller 1 Screw the controller 3 onto the four screw holders 2 under the table plate 2 Clamp the power cable for the controller in...

Page 60: ...crew the pedal 5 firmly onto the cross strut 6 3 Screw the setpoint device 2 onto the angle piece 1 4 Screw the angle piece 1 under the table plate so that the pedal rod 4 runs vertically to the pedal...

Page 61: ...achine upper section from above at an angle of 45 3 Insert the upper hinge parts 1 into the rubber inlays 2 4 Foldthemachineuppersectiondownandinsertitintherecess 1 Upper hinge parts 2 Rubber inlays R...

Page 62: ...r section retaining strap 1 Tilt the machine upper section backwards 2 Pull the retaining strap 1 from the machine upper section through the cut out and under the table plate 3 Screw the retaining str...

Page 63: ...eleversuchthatitcaneasilybeoperated using the right knee 5 Tighten the screws on the knee lever joint 1 6 Loosen the screw 3 7 Align the knee pad 4 such that the knee lever can easily be operated usin...

Page 64: ...or the control panel firmly onto the machine arm using the cable holder 1 6 Loosen all three handwheel screws 5 7 Loosen all four handwheel cover screws 6 8 Remove the handwheel cover 7 9 Install the...

Page 65: ...Operating manual for the DAC BASIC control system The operating manual is provided in the controller accessory pack The operating manual for the controller is also available in the download area at w...

Page 66: ...Switch for sewing lamp 2 Switch for power supply 3 External synchronization 4 Status LEDs 5 Connection for machine upper section 6 Connection for backup dongle 7 Connection for sewing motor 8 Connect...

Page 67: ...ion through the table plate cut out for the controller 3 Fasten grounding wire 1 for the machine upper section together with the grounding wire 3 for the frame to the screw 2 on the rear side of the c...

Page 68: ...dle 2 Wind on the hook thread 3 Insert the hook thread reel 4 Thread in the hook thread 5 Thread in the needle thread 6 Adjust the thread tension to the material to be sewn 7 Adjust the thread regulat...

Page 69: ...ner according to the national regulations When disposing of the machine be aware that it consists of a range of different materials e g steel plastic electronic components oily parts Observe the respe...

Page 70: ...Disposal Operating manual 281 Version 06 0 05 2013 68...

Page 71: ...Appendix Operating manual 281 Version 06 0 05 2013 68 9 Appendix Dimensions for manufacturing a table plate...

Page 72: ...Appendix Operating manual 281 Version 06 0 05 2013 69...

Page 73: ......

Page 74: ...r Str 190 33719 Bielefeld Germany Phone 49 0 521 925 00 E Mail service duerkopp adler com www duerkopp adler com Subject to design changes Printed in Germany D rkopp Adler AG Original Instructions 079...

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