Operating instructions
Contents
1. Conduct the thread through the thread guiding 5 around the tensioner 4 and through the thread guiding 3 Place the thread behind the blade 6 and sever it Fitthe bobbin 1 onto the bobbin winder Hint There is no need to wind the thread onto the bobbin by hand Press the bobbin winder lever 2 into the bobbin Sewing The bobbin winder lever terminates the process as soon as the bobbin is full The bobbin winder always stops in such a position that the blade 6 is in the insertion position see right hand illustration Remove the full bobbin 1 place the thread behind the blade 6 and sever it Fit empty bobbin onto the bobbin winder for the next winding process and press the bobbin winder lever 2 into the bobbin CAUTION N If the thread is not to be wound on during sewing it is essential for the sewing foot to be locked in the raised position and the sewing foot stroke set to the smallest value 30 6 7 Changing the hook thread bobbin 1 2 3 6 5 4 Caution danger of injury Turn off the main switch The hook thread bobbin may only be changed with the machine switched off Remove the empty bobbin Raise up the flap 1 and remove the empty bobbin Insert a full bobbin Insert the bobbin 2 so that it moves in the opposite direction of the hook when unwinding Conduct the hook thread through the slot 3 and underneath the spring 4 Pull the hook thread2. Single needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro magnetic thread cutter electro magnetic seam bartacking and sewing foot lifting With large hook Single needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro magnetic thread cutter electro magnetic seam bartacking and sewing foot lifting With oversized hook XXL Single needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro magnetic short thread cutter electro magnetic seam bartacking and sewing foot lifting With oversized hook XXL Single needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro pneumatic rapid stroke adjustment electro magnetic thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic second stitch length and sewing foot lifting With large hook Single needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro pneumatic rapid stroke adjustment electro magnetic thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic second stitch length and sewing foot lifting With oversized hook XXL 867 190445 867 290322 867 290342 867 290445 867 392342 867 393342 867 394342 Single needle double lockstitch machine with bottom fe
3. 49 11 2 Lubrication PS RAR SR OO o g gt dx X Bes XI N NZ XP A RX ae 52525 Caution danger of injury Oil can cause skin eruptions Avoid protracted contact with the skin In the event of contact thoroughly wash the affected area CAUTION The handling and disposal of mineral oils is subject to legal regulation Deliver used oil to an authorised collection point Protect your environment Take care not to spill oil Maintenance work to be carried out Lubrication of the machine head To lubricate the special sewing machine use only DA 10 lubricating oil or an equivalent oil of the following specification Viscosity at 40 C 10 mm s Flashpoint 150 C DA 10 is available from DURKOPP ADLER AG retail outlets under the following part numbers 250 ml container 1 litre container 2 litre container 5 litre container 9047 000011 9047 000012 9047 000013 9047 000014 Explanation Operating hours The machine head is fitted with a central 8 oil wick lubrication system The bearings are supplied out of oil reservoir 1 The oil level must not fall below the marking line 3 MIN of the oil reservoir If the oil level falls below the marking line 3 the oil reservoir will be lit only the CLASSIC version Fill in oil through the bore hole 2 up to the marking line Max 50
4. D 0 GO ol 00 cO 0867 590014 Electro pneumatic needle cooler X X from the top 0867 590024 Electro pneumatic needle cooler X x from the bottom 0867 590104 Thread monitor for hook thread large hook single needle 0867 590124 Thread monitor for hook thread large hook double needle 0867 590114 Thread monitor for hook thread oversized hook XXL single needle x 0867 590134 Thread monitor for hook thread oversized hook XXL double needle x 0867 590164 Thread monitor for hook thread short thread cut large hook single needle 0867 590174 Thread monitor for hook thread short thread cut XXL hook double needle 9780 000108 WE 8 maintenance unit for pneumatic optional equipments Xxx 9822 510001 Halogen sewing lamp X X 9880 867100 Sewing lamp add on kit x X X X 0798 500088 Sewing light transformer x X X X 0797 003031 Pneumatic connection package X X Xx N800 080001 Edge guide swivelling x X X X N800 080004 Roller stop X x XIX N800 005650 Seam center guide 0867 590364 Pneumatic sewing foot lifting XX X Optional equipment o Standard equipment 11 Order No Optional equipment Subclasses oo oo FINNIN CO CON IA YY 29009 O0 oco 9 9 On OH TIINAN NINININ oOo oO co o 9880 867103 Sewing lamp LED xX X xX Xx 9822 560001 Power supply for sewing lamp LED xX X xX X 9880 867102 Integrated sewing lamp
5. DURKOPP ADLER AG 867 Spezialnahmaschine Betriebsanleitung Instruction manual Instructions d emploi Postfach 17 03 51 D 33703 Bielefeld Potsdamer Stra e 190 D 33719 Bielefeld Telefon 49 0 521 9 25 00 Telefax 49 0 521 9 25 24 35 www duerkopp adler com Ausgabe Edition 01 2008 Anderungsindex Rev index 02 0 Teile Nr Part No Printed in Federal Republic of Germany 0791 867740 Alle Rechte vorbehalten Eigentum der D rkopp Adler AG und urheberrechtlich gesch tzt Jede auch auszugsweise Wiederverwendung dieser Inhalte ist ohne vorheriges schriftliches Einverst ndnis der D rkopp Adler AG verboten All rights reserved Property of D rkopp Adler AG and copyrighted Reproduction or publication of the content in any manner even in extracts without prior written permission of D rkopp Adler AG is prohibited Tous droits r serv s Propri t de la soci t Durkopp Adler AG et prot g par la loi sur le droit d auteur Une copie ou reproduction par quelque proc d que ce soit du contenu sans accord crite de l auteur est interdite Copyright O D rkopp Adler AG 2008 Foreword This instruction manual is intended to help the user to become familiar with the machine and take advantage of its application possibilities in accordance with the recommendations The instruction manual contains important information on how to operate the machine securely
6. 3000 3000 3000 3000 Max lifting height mm 20 20 20 20 only with turn back device Max sewing foot stroke mm 9 9 9 9 Operating pressure bar 6 6 Air consumption per working cycle NL 0 7 0 7 Dimensions H x W x D mm 1090 220 460 Weight 85 85 85 85 with direct drive kg 89 89 89 89 20 Threading scheme single needle machine 6 Operation 6 1 Threading the needle thread 6 1 1 Threading the needle thread on machine without short thread cutter Caution danger of injury Turn off the main switch The needle thread may only be threaded with the sewing machine switched off Threading in the needle thread with single needle machines Put the thread reel on the thread stand and lead the needle thread through the unwinder arm The unwinder arm must be in vertical position above the thread reels Thread in the thread through threading guide 1 and 2 Conduct the thread clockwise around the pre tensioner wheel 3 Conduct the thread counter clockwise around the supplementary tensioner wheel 4 Conduct the thread clockwise around the main tensioner wheel 5 Pull the thread underneath the thread take up spring 8 and conduct it through the thread regulator 10 to the thread lever 11 Conduct the thread through the thread lever 11 and the threading guides 9 7 and 6 on the needle bar cB Thread the thread into the needle eye
7. properly and economically Observation of the instructions eliminates danger reduces costs for repair and down times and increases the reliability and life of the machine The instruction manual is intended to complement existing national accident prevention and environment protection regulations The instruction manual must always be available at the machine sewing unit The instruction manual must be read and applied by any person that is authorized to work on the machine sewing unit This means Operation including equipping troubleshooting during the work cycle removing of fabric waste Service maintenance inspection repair and or Transport The user also has to assure that only authorized personnel work on the machine The user is obliged to check the machine at least once per shift for apparent damages and to immediatly report any changes including the performance in service which impair the safety The user company must ensure that the machine is only operated in perfect working order Never remove or disable any safety devices If safety devices need to be removed for equipping repairing or maintaining the safety devices must be remounted directly after completion of the maintenance and repair work Unauthorized modification of the machine rules out liability of the manufacturer for damage resulting from this Observe all safety and danger recommendations on the machine unit The yellow and b
8. 10 3 Stitch length mm Forward 12 Backward 12 Number adj stitch lengths 2 2 2 2 Max number of stitches min 3500 3200 3500 3200 3000 3000 13000 Number of stitches with factory setting min 3000 3000 3000 3000 3000 3000 13000 Max lifting height mm 20 20 20 20 20 20 20 only with turn back device Max sewing foot stroke mm 9 9 9 9 9 9 9 Operating pressure bar 6 6 6 6 6 6 6 Air consumption per working cycle NL 0 7 0 7 0 7 0 7 0 7 0 7 0 7 Dimensions H x W x D mm 690 220 460 690 x 460 Weight 55 55 55 55 58 58 58 with direct drive kg 59 59 59 59 Double needle machines equipped with the DC15500 DA321G with the motor fixed on machine head have their max speed limited to 3000 min 18 Subclasses e e e e 5 a e e N e N Ei lt Ei lt e e e e e e e e o o o o a A i N N N N e o o e eo eo eo eo Type of stitch Lockstitch 301 Type of hook jo jo jo jo 9 o o 0 N N N N d 2 2 2 o 0 o o gt gt gt gt O O O O Number of needles 1 1 2 2 Needle system 134 35 Needle size 170 depending on E No Nm Max thread thickness Nm 10 3 Stitch length mm Forward 12 Backward 12 Number adj stitch lengths 1 1 2 2 Max number of stitches min 3000 3000 3000 3000 Number of stitches with factory setting min
9. 3 S SS Number of needles 1 1 1 1 1 1 1 1 2 Needle system 134 35 Needle size 170 depending on E No Nm Max thread thickness Nm 10 3 Stitch length mm Forward 12 Backward 12 Number adj stitch lengths 1 1 1 1 2 2 2 1 Max number of stitches min 3200 3200 3800 3400 3400 3800 3400 3400 3000 Number of stitches with factory setting min 3000 3000 3400 3400 3400 3400 3400 3400 3000 Max lifting height mm 20 20 20 20 20 20 20 20 20 only with turn back device Max sewing foot stroke mm 9 9 9 9 9 9 9 9 9 Operating pressure bar 6 6 6 6 6 6 6 Air consumption per working cycle NL 0 7 0 7 0 7 0 7 0 7 0 7 0 7 Dimensions H x W x D mm 690 220 460 Weight 55 55 55 55 55 55 55 55 55 with direct drive kg 59 59 59 59 59 59 59 17 Subclasses e N N w N N N E N lt lt lt lt E e e e vt e e e e e e e N e ki o o eo o eo o o N ib a ib P i e N N N N N N N e e e e e 00 Ke 00 Ke 00 Ke 00 Type of stitch Lockstitch 301 Type of hook o o o o o o 0 0 0 0 0 0 N N N N N N o 2 2 p 0 D 0 0 oO 0 oO gt e gt gt gt gt gt o D o o o o o Number of needles 2 2 2 2 1 1 1 Needle system 134 35 Needle size 170 depending on E No Nm Max thread thickness Nm
10. LEDs X O X O 9850 001075 Power supply complete for x o x o integrated sewing lamp LEDs 0367 595124 Mechanical sewing foot lifting x x N800 080021 Edge guide swivelling XX N800 080022 Edge guide Rule on the slide of the X x throat plate 2nd seam distance N800 005646 Edge guide pneumatic driven with adjustable seam distances XX fixed on the slide of the throat plate N800 005655 Seam center guide swivelling xX X 0867 590074 Reflected light barrier for the automatic recognition of the material edge at x x the end of seam 9805 791113 USB memory key for transferring data with the X XXX Efka control unit DA321G 0667 156224 CLB 300 hook Core Less Bobbin Stands MG55 400404 Stand set MG 58 63 xX X xX X for motor fitting beneath the table with pedal Table top size 1600 x 580 mm MG55 400414 Stand set MG 58 63 Xx for motor fixed on machine head with pedal Table top size 1600 x 580 mm X 7 Optional equipment o Standard equipment 12 Further available documents concerning the class 867 0791 867801 0791 867641 0791 100700 0791 867701 0791 867702 0791 867703 0791 867704 0791 867705 0791 867771 0791 867772 Parts list Service Instructions Fitting Instructions for Sewing Lamp LED Instructions for fitting seam center guide N800 005655 mechanically N800 005650 pneumatically Instructions for fitting remaining thread monitor Instructions for fitting the reflecti
11. Threading in the needle thread with double needle machines Put the thread reels on the thread stand and lead the needle thread through the unwinder arm The unwinder arm must be in vertical position above the thread reels Thread for the left needle as with single needle machines Thread in the thread through threading guide 1 and 2 Conduct the thread clockwise around the pre tensioner 3 Conduct the thread counter clockwise around the supplementary tensioner 4 Conduct the thread clockwise around the main tensioner 5 Pull the thread underneath the thread take up spring 8 and conduct it through the thread regulator 10 to the thread lever 11 Conduct the thread through the thread lever 11 and the threading guides 9 7 and 6 on the needle bar Thread the thread into the needle eye Thread for the right needle Thread in the thread through threading guide 12 and 13 Conduct the thread clockwise around the pre tensioner 14 Conduct the thread counter clockwise around the supplementary tensioner 15 Conduct the thread clockwise around the main tensioner 16 Pull the thread underneath the thread take up spring 19 and conduct it through the thread regulator 21 to the thread lever 22 Conduct the thread through the thread lever 22 and the threading guides 20 18 and 17 on the needle bar Thread the thread into the eye of the right needle 21 22 Threading scheme s
12. actuating the key 4 Setting the needle in high or low position The function of the key can be defined with the parameter F 140 1 Needle high 2 Needle high low 3 Single stitch 4 Single stitch with 2nd stitch length short stitch 5 Needle high when outside position 2 The factory setting is 1 Needle high 5 Manually sewing backward The machine sews backward stitches as long as the key is being pushed 43 LED Function 7 and 8 Display for empty bobbin with residual thread monitor left right bobbin 10 LED display power on The function of key 9 can be selected with the screw 6 underneath the key 5 Selecting a function Example 5 Manually sewing backward Turn in the screw 6 underneath the key 5 and turn it 90 to the right the slot stands vertically The function can now be read back via both keys 5 and 9 CAUTION Before key 9 can be programmed with a new function the former setting must be deactivated 7 EFKADC1600 DA82GA direct current positioning actuator 7 1 General For a detailed description of the control unit please consult the enclosed current issue of the operating manual of the motor manufacturer see also www efka net 44 8 EFKAVD552 6F82FA coupling positioning actuator 8 1 General For a detailed description of the control unit please consult the enclosed current issue of the operating manual of the motor manufacturer see
13. through the slot 6 and continue pulling until it stands out about 3 cm Close the flap 1 and pull the hook thread through the thread guiding 5 of the flap 31 6 7 1 Inserting the hook thread bobbin with machines equipped with residual thread monitor 1 CAUTION The hook bobbin has to be inserted so that the groove 1 is turned downwards The area around the bobbin housing and the light barrier has to be cleared of sewing dust Wind up the bobbin thread CAUTION When winding up the thread the groove 1 has to be positioned towards the machine Thus the thread is first wound into the supply groove 2 32 6 8 Setting the hook thread tension TO Caution danger of injury Turn off the main switch The hook thread bobbin may only be adjusted with the machine switched off Setting the tension spring 2 Set the tension spring 2 by turning the adjustment screw 1 Increase the hook thread tension Turn screw 1 clockwise Decrease the hook thread tension Turn screw 1 counterclockwise 33 6 9 Inserting and changing the needle with single needle machines p e Caution danger of injury Turn off the main switch The needle may only be changed with the sewing machine switched off Turn the hand wheel until the needle bar 1 has reached its highest position Loosen screw 2 Pu
14. without thread trimmer With these machines the speed is not controlled Please heed the hint and the chart on the next side Machines with thread trimmer The sewing foot stroke and stitch rate are interdependent A potentiometer is linked mechanically with the adjusting wheel By means of this potentiometer the control unit detects what foot stroke has been set and restricts the speed of rotation accordingly Machines with electro pneumatic rapid stroke adjustment With fabric parts that are thicker or in order to sew over cross seams the increased sewing foot stroke setting wheel 1 can be switched on during the sewing process by actuating the knee switch 3 beneath the table top As with the machines that are equipped with a thread trimmer the potentiometer is also available CAUTION Danger of breakage The standard sewing foot stroke that is set with the setting wheel 2 may never exceed the stroke set with the setting wheel 1 38 Operation mode of the quick stroke adjustment The activation period of the maximum sewing foot stroke depends on the set operation mode It is possible to choose between three operation modes The individual operation modes are determined by the adjustment of the parameters F 138 and F 184 at the control panel see enclosed instructions of the motor manufacturer Efka DC1600 DA82GA Operation mode Operation Explanation High lift for walking foot operation mode no
15. 322 867 290342 867 290445 867 392342 867 393342 867 394342 The thread tension is automatically opened when trimming the thread 27 6 4 Switching the supplementary tension on and off with machines without thread trimmer The supplementary tension is being switched on and off with lever 1 Switching on Push the handle 2 of lever 1 to the left Switching off Push the handle 2 of the lever 1 to the right 28 6 5 Adjusting the thread regulator 3 2 1 Caution danger of injury Turn off the main switch The thread regulator may only be adjusted with the sewing machine switched off The thread regulator 1 controls the quantity of needle thread required for stitch formation The thread regulator must be precisely adjusted for an optimum result At the correct setting the needle thread loop must slide at low tension over the thickest point of the shuttle Undo screw 2 Adjust the thread regulator 1 to the left for more thread to the left for less thread Tighten screw 2 Adjustment hint If the maximum quantity of thread is required the thread tensioning spring 3 must be pulled upwards about 0 5 mm from its lower limit position This is the case when the needle thread loop passes the maximum shuttle diameter 29 6 6 Winding on the hook thread KA PATA UNE Put the thread reel on the thread stand and conduct the needle thread through the unwinder arm
16. a Technical data Subclasses 2 oo on Operation Threading the needle thread rh Threading the needle thread on machine without short thread cutter Threading the needle thread on machine with short thread cutter Adjusting the needle thread tension aaa aaa Adjusting the needle thread tension on automotive machines Function of the thread main tension and the thread supplementary tension in relation to the sewing foot Ing Reparation seam with thread tension always closed o o Function of the thread s supplementary tension in relation to the stroke adjustment and the Speedomat ss xem moe o eR ROR OK EK WO XO chos QUE A ee dU a Opening the thread tension 522 ee eee os oh RU ERU E ER RR RR Switching the supplementary tension on and off with machines without thread trimmer Adjusting the thread regulator 22e Winding on the hook thread Changing the hook thread bobbin e Inserting the hook thread bobbin with machines equipped with residual thread monitor Setting the hook thread tension 2 lll ss Inserting and changing the needle with single needle machines Inserting and changing the needle with double needle machines Lifting the sewing fool sss RE AAA REOR RON GR ROS S EU E Roe e RD Locking the sewing feet in lifted position e Sewing foot pressure i 3 go wwe edem Rok
17. ad tension always closed When executing a reparation seam the thread tension is to stay closed during the lifting of the sewing foot Then the setting of the parameter F 196 for the function of the thread main tension and the thread supplementary tension in relation to the sewing foot lifting is not active For a quick switching on and off of the reparation seam a parameter setting first has to be carried out Programming the reparation seam with key A of the Efka operating panel V810 V820 Set the parameter F 293 to 18 Programming the reparation seam with the key B of the Efka operating panel V810 V820 Set the parameter F 294 to 18 By actuating the key A or B on the Efka operating panel V810 or V820 the reparation seam with the thread tension being always closed can be switched on and off quickly If the reparation seam mode was switched on at the end of the reparation seam it has to be switched off by actuating the same key of the Efka operating panel in order to activate the parameter F 196 again 26 6 2 4 Function of the thread s supplementary tension in relation to the stroke adjustment and the Speedomat The thread s supplementary tension can at any time be switched on and off by actuating the key 1 see chapter 6 16 of the machine s keypad To that end the parameter F 255 must be set to 7 Parameter stroke adjustment max stroke adjustments Setting via knee switch setting wheel Reach
18. aintenance unit Exceptions to this are only adjustments and functions checks made by appropriately trained technicians Work on the electrical equipment must be carried out only by electricians or appropriately trained persons Work on parts and systems under electric current is not permitted except as specified in regulations DIN VDE 0105 Conversion or changes to the machine must be authorized by us and made only in adherence to all safety regulations For repairs only replacement parts approved by us must be used Commissioning of the sewing head is prohibited until such time as the entire sewing unit is found to comply with EC directives The line cord should be equipped with a country specific mains plug This work must be carried out by appropriately trained technicians see paragraph 8 It is absolutely necessary to respect the safety instructions marked by these signs Danger of bodily injuries Please note also the general safety instructions Contents Preface and general safety instructions Part 1 Operating Instructions Class 867 Edition 01 2008 6 1 6 1 1 6 1 2 6 2 6 2 1 6 2 2 6 2 3 6 2 4 6 3 6 4 6 5 6 6 6 7 6 7 1 6 8 6 9 6 10 6 11 6 12 6 13 6 14 6 15 6 16 Product description 2 ce a a ENN ORAS OO DE a RUE S dos Designated use sa soos puo Rede EE EG EE EE daten SUbCIASSES 4 iuum RR a Re we Ewe A eee Oe RE ee es Optional equipment Technical dat
19. also www efka net 9 Efka DC1550 DA321G direct current positioning drive 9 1 General For a detailed description of the control unit please consult the enclosed current issue of the operating manual of the motor manufacturer see also www efka net 45 10 Sewing Operating and function sequence Sewing process Operation explanation Prior to sewing Starting position Pedal in rest position The machine is at a halt Needle up sewing feet down Position material correctly Pull pedal half way back for starting the seam The sewing feet are raised Push material forward until it touches the needle Sewing Push pedal forwards and keep it pushed Subsequently the machine will continue sewing with the rotation speed determined by the pedal In mid seam interrupt the sewing process Release pedal rest position The machine halts in the 1st position The sewing feet are down resume the sewing process Push pedal forwards after releasing the pedal The machine sews at the speed of rotation set by the pedal 867 CLASSIC 46 Sewing an intermediate bartack Push down the stitch regulator lever 6 The machine sews reverse stitches as long as the stitch regulator lever is kept pushed The rotation speed is determined through the pedal or Actuate key 5 Sewing over a cross seam max sewing foot stroke The max sewing foot stroke is switched on The r
20. atic seam bartacking electro pneumatic rapid stroke adjustment and sewing foot lifting With oversized hook XXL Equipped with moving variable binding device Single needle double lockstitch machine with no stroke lower feed with needle feed alternating upper foot feed electro pneumatic thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic rapid stroke adjustment and sewing foot lifting With oversized hook XXL Equipped with electromotor driven edge cutter Single needle double lockstitch machine with no stroke lower feed with needle feed alternating upper foot feed electro pneumatic thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic rapid stroke adjustment and sewing foot lifting With oversized hook XXL Equipped with electromotor driven edge cutter and moving variable binding device 867 190040 70 867 190342 70 867 290040 70 867 290342 70 700 mm long arm flatbed single needle double lockstitch machine with bottom feed needle feed alternating upper foot feed With oversized hook XXL 700 mm long arm flatbed single needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro pneumatic rapid stroke adjustment electro magnetic thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic second stitch length and sewing foot lifting With over
21. ect thread interlacing in the center of the material Needle thread tension too low or hook thread tension too high Needle thread tension too high or hook thread tension too low auis 6 2 Adjusting the needle thread tension Pre tensioner When the main tensioner 2 and supplementary tensioner 3 are open e g when the sewing feet are raised the needle thread must be under slight residual tension This residual tension is produced by the pre tensioner 1 The pre tensioner 1 simultaneously affects the length of the end of the severed needle thread the starting thread for the next seam Basic setting Turn knurled nut 4 until its front is flush with the bolt 5 To shorten the starting thread Turn knurled nut 4 clockwise To lengthen the starting thread Turn knurled nut 4 anticlockwise Main tensioner The main tensioner 2 should be set to the minimum possible tension The looping of the threads must be in the center of the material With thin material excessive thread tension can cause unwanted gathering and thread breakage Adjust the main tensioner 2 so that the stitches are uniform To increase tension turn the knurled nut clockwise To decrease tension turn the knurled nut anti clockwise Supplementary tensioner The supplementary tensioner 3 can be switched in to effect a rapid change in needle thread tension during operation e g with thickened seams Set the supplementary
22. ed needle feed alternating upper foot feed electro pneumatic rapid stroke adjustment electro magnetic short thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic second stitch length and sewing foot lifting With oversized hook XXL Double needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro pneumatic rapid stroke adjustment electro magnetic thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic second stitch length and sewing foot lifting With large hook Double needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro pneumatic rapid stroke adjustment electro magnetic thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic second stitch length and sewing foot lifting With oversized hook XXL Double needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro pneumatic rapid stroke adjustment electro magnetic short thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic second stitch length and sewing foot lifting With oversized hook XXL Single needle double lockstitch machine with no stroke lower feed with needle feed alternating upper foot feed electro pneumatic thread cutter connectable thread tension electro pneum
23. for sewing lamp LED X X X X xX xX xX X X X X xX x XX x 9880 867102 Integrated sewing lamp LEDs XX XX XxX 0 0 O XX 00 0 000 0 9850 001075 Power supply complete for integrated sewing lamp LEDs x x x x xl0 00 x xX 0 00 000 Oo 0367 595124 Mechanical sewing foot lifting X X X X N800 080021 Edge guide swivelling x X X XIX X X xX N800 080022 Edge guide Rule on the slide of the throat plate 2nd seam distance X x X X X X X X N800 005646 Edge guide pneumatic driven with adjustable seam distances X X X XIX X X X fixed on the slide of the throat plate N800 005655 Seam center guide swivelling XX X X X 0867 590074 Reflected light barrier for the automatic recognition of the material edge at X XIX X X Xx x X X the end of seam 9805 791113 USB memory key for transferring data with the X X X XIX X X X X X X XIX X Efka control unit DA321G 0667 156224 CLB 300 hook Core Less Bobbin x x Stands MG55 400304 Stand set MG 55 3 xX x Xix X X X X X xX XI X XIX x for motor fitting beneath the table with pedal Table top size 1060 x 500 mm MG55 400314 Stand set MG 55 3 X XIX X XIX x X X for motor fixed on machine head with pedal Table top size 1060 x 500 mm x Optional equipment o Standard equipment 10 Order No Optional equipment Subclasses o ME eebe oO NON sl st dl st omom o ooo OO 99 H ya Fi el Fei Fe
24. g the above mentioned hint can cause the following mistakes When inserting a thinner needle M Missed stitches Damage of the thread When inserting a thicker needle Damage of the hook tip Damage of the needle 35 6 11 Lifting the sewing foot 36 Subclasses 867 190020 867 190040 867 190040 70 867 290020 867 290040 867 290040 70 The sewing feet can be lifted mechanically by actuating the knee switch 1 Subclasses 867 190122 867 190142 867 190145 867 190322 867 190342 867 190342 70 867 190445 867 290322 867 290342 867 290342 70 867 290445 867 392342 867 393342 867 394342 The sewing feet can be lifted electro pneumatically by actuating the pedal 2 or the knee switch 1 Raising the sewing foot mechanically knee switch To adjust the position of the material e g for corrective purposes push the knee switch 1 to the right The sewing foot stays in the up position as long as pressure is maintained on the knee switch 1 Raising the sewing foot electro pneumatically pedal Press the pedal 2 half way back The sewing feet are raised with the machine at a halt Press the pedal 2 all the way back The thread is severed and the sewing foot raised 6 12 Locking the sewing feet in lifted position 6 13 Sewing foot pressure Or Push the lever 1 downwards The sewing feet are locked in lifted position Push the lever 1 upward The sewing feet s po
25. hook XXL single needle x x 0867 590134 Thread monitor for hook thread oversized hook XXL double needle x 0867 590164 Thread monitor for hook thread short thread cut large hook single needle X X 0867 590174 Thread monitor for hook thread short thread cut XXL hook double needle X 9780 000108 WE 8 maintenance unit for pneumatic optional equipments x x x X X X X X XX 9822 510001 Halogen sewing lamp x x x x X X X x x x x 9880 867100 Sewing lamp add on kit X X X X X X X X X X X X X XX x 0798 500088 Sewing lamp transformer X X X X X X X X X X X X X XX X 0797 003031 Pneumatic connection package X X X X X X X X X X X X X XX X N800 080001 Edge guide swivelling X X X X X X X X X N800 080004 Roller stop X X XIX X X X X X N800 005650 Seam center guide X X x 0867 590364 Pneumatic sewing foot lifting xx xi x x Optional equipment o Standard equipment Order No Optional equipment Subclasses C OQ ol NON ol OO QI NL NNN A si ol sl soi sg sl ol s i ol sl d sl sg st oo si el ol o ol O ei ou s o ol 9 CO Ou Or el OO 20000100 Oe Ou OO Gi ol st DD 9 HD O OO D oO Oo Oo Ou DH OO D H a a a w Ww woe bo RI RE OR e e NR RR RRE Fei Fei org or or or o o ano aa ao oO oO oO o o o Oo 00 CO CO 00 CO CO CO CO o CO CO CO CO CO 9880 867103 Sewing lamp LED X X X XIX XIX X X X X X X X X x 9822 560001 Power supply
26. ing of the HP speed of parameter F 117 Speedomat F 197 0 1 1 F 197 1 0 1 F 197 2 1 0 F 197 3 0 10 If the stroke adjustment max via knee switch is switched on and the HP speed of parameter F 117 is reached through the Speedomat the thread s supplementary tension will be switched on automatically 0 Thread s supplementary tension closed mechanically 1 Thread s supplementary tension opened mechanically e fthe thread s supplementary tension is closed the condition will be maintained when adjusting the stroke ep e When the machine is switched off the last setting of the thread s supplementary tension will be maintained through the mains connection Basic control box setting for the automatic steps of the stitch number reduction Speedomat through the setting wheel for the height of the alternating transport stroke Parameter 188 Step 01 21 total Speedomat range Step 01 10 max allowed number of stitches parameter F 111 3 400 resp 3000 min Step 11 18 linear stepwise reduction of the max number of stitches Speedomat Step 19 21 max allowed number of stitches parameter F 117 1 800 min 6 3 Opening the thread tension Subclasses 867 190020 867 190040 867 290020 867 290040 When lifting the sewing feet with the knee switch main and supplementary tension are automatically opened Subclasses 867 190122 867 190142 867 190145 867 190322 867 190342 867 190445 867 290
27. ingle needle machine 6 1 2 Threading the needle thread on machine with short thread cutter Caution danger of injury Turn off the main switch The needle thread may only be threaded with the sewing machine switched off Threading in the needle thread with single needle machines Putthe thread reel on the thread stand and lead the needle thread through the unwinder arm The unwinder arm must be in vertical position above the thread reels Thread in the thread through threading guide 1 and 2 Conduct the thread clockwise around the pre tensioner wheel 3 Conduct the thread counter clockwise around the supplementary tensioner wheel 4 Conduct the thread clockwise around the main tensioner wheel 5 Pull the thread underneath the thread take up spring 8 and conduct it through the thread regulator 10 to the thread lever 11 Conduct the thread through the thread lever 11 and the threading guides 9 7 and 6 on the needle bar Thread the thread into the needle eye Checkthe length of the thread without fail See the picutre on the opposite to see the max allowed length thread lever at its UDC Threading in the needle thread with double needle machines cB Put the thread reels on the thread stand and lead the needle thread through the unwinder arm The unwinder arm must be in vertical position above the thread reels Thread for the left needle as with single needle machine
28. is currently available The seam is generally produced with textile fibre sewing thread of gauge up to 11 3 NeB cotton 11 3 Nm synthetic or 11 4 Nm covering yarn Before using any other thread the possible dangers arising must be assessed and appropriate safety measures taken if necessary 3 Subclasses This special sewing machine may be set up and operated only in dry well maintained premises If the sewing machine is used in premises which are not dry and well maintained it may be necessary to take further precautions which should be agreed in advance see EN 60204 31 1999 As manufacturers of industrial sewing machines we proceed on the assumption that personnel who work on our products will have received training at least sufficient to acquaint them with all normal operations and with any hazards which these may involve 867 190020 867 190040 867 290020 867 290040 867 190122 867 190142 867 190145 867 190322 867 190342 Single needle double lockstitch machine with bottom feed needle feed alternating upper foot feed and large hook Single needle double lockstitch machine with bottom feed needle feed alternating upper foot feed and oversized hook XXL Double needle double lockstitch machine with bottom feed needle feed alternating upper foot feed and large hook Double needle double lockstitch machine with bottom feed needle feed alternating upper foot feed and oversized hook XXL
29. ith a maximum of 20 mm fabric clearance when sewing feet are lifted e The residual thread length after thread trimming is about 15 mm without short thread trimming device and about 7 mm with short thread trimming device e Asafety clutch prevents a changing of the hook setting or a hook damage in the case of a thread deflection into the shuttle track e Automatic wick lubricating with an inspection glass on the arm for machine and hook lubrication e Integrated winder The 867 is a sewing machine designed for sewing light to medium heavy material Such material is generally made of textile fibres but it may also be leather It is used in the clothing industry and for domestic and motor vehicle upholstery This special sewing machine can also be used to produce so called technical seams In this case however the operator must assess the possible dangers which may arise with which DURKOPP ADLER AG would be happy to assist since such applications are on the one hand relatively unusual and on the other so varied that no single set of criteria can cover them all The outcome of this assessment may require appropriate safety measures to be taken Generally only dry material may be sewn with this machine The material may be no thicker than 10 mm when compressed by the lowered sewing feet The material may not contain any hard objects since if it does the machine may not be operated without an eye protection device No such device
30. lack striped surfaces designate permanend danger areas eg danger of squashing cutting shearing or collision Besides the recommendations in this instruction manual also observe the general safety and accident prevention regulations General safety instructions The non observance of the following safety instructions can cause bodily injuries or damages to the machine 10 11 12 13 The machine must only be commissioned in full knowledge of the instruction book and operated by persons with appropriate training Before putting into service also read the safety rules and instructions of the motor supplier The machine must be used only for the purpose intended Use of the machine without the safety devices is not permitted Observe all the relevant safety regulations When gauge parts are exchanged e g needle presser foot needle plate feed dog and bobbin when threading when the workplace is left and during service work the machine must be disconnected from the mains by switching off the master switch or disconnecting the mains plug Daily servicing work must be carried out only by appropriately trained persons Repairs conversion and special maintenance work must only be carried out by technicians or persons with appropriate training For service or repair work on pneumatic systems disconnect the machine from the compressed air supply system max 7 10 bar Before disconnecting reduce the pressure of the m
31. ll the needle downwards out of the needle bar 1 Push in the new needle into the hole of the needle bar 1 until it stops Attention The needle scarf 3 must point towards the hook Tighten screw 2 CAUTION When changing to another needle size the distance between hook and needle must be readjusted see service instructions 34 Ignoring the above mentioned hint can cause the following mistakes When inserting a thinner needle Missed stitches Damage of the thread When inserting a thicker needle Damage of the hook tip Damage of the needle 6 10 Inserting and changing the needle with double needle machines Caution Danger of Injury Turn off the main switch The needle may only be changed with the sewing machine switched off Turn the hand wheel until the needle bar 1 has reached its highest position Loosen screw 3 Pull the needle downwards out of the needle holder 2 Push the new needle into the hole of the needle holder 2 until it stops Attention Seen from the operating side the needle scarf 4 of the right needle must point to the right side and the needle scarf of the left needle point to the left side see drawing Tighten screw 3 CAUTION When changing to another needle size the distance between hook and needle must be readjusted see service instructions Ignorin
32. n boo EEN a ANE nde e 6 13 1 Adjusting the sewing foot pressure on automotive machines Sewing foot Stroke u 4 ee Rue Ry ege e y he Re RO XE E ee a ee 6 14 1 Adjusting the sewing foot stroke on automotive machines Setting the stitch length llle 6 15 1 Adjusting the stitch length on automotive machines Key pad on the machine arm au 2 0 ss Rue ee a d ee s page 26 26 27 27 28 29 30 31 32 33 34 35 36 37 37 37 38 39 41 42 43 Contents 10 11 11 1 11 2 Efka DC1600 DA82GA direct current positioning actuator General s a uuu ante E Eus RR URL be ue UR eee o 79 C Re eto ek eae Efka VD552 6F82FA coupling positioning actuator General u Hu to Ge d ee RR ee edm A eum M Red Re e e Efka DC1550 DA321G direct current positioning drive GOO as ge reae eeeeced died eeaaey eve he bee hb ah Bh E44 4 ba dled ae Maintenance Cleaning and testifig sss suba israel a a MID FIGAMOMNs s te se tee seran BL fe ee Re EE page 44 45 45 46 48 50 1 2 Product description Designated use The DURKOPP ADLER 867 is a special sewing machine for universal use tis a flatbed double lockstitch machine with bottom feed needle feed and alternating upper foot feed e Depending on the subclass it comes as single or double needle automat with or without electromagnetic thread cutter with or without edge trimmer e Equipped with a large or oversized two piece vertical hook e W
33. ng light barrier Instructions for fitting pneumatic sewing foot lift FLP 14 1 Instructions for fitting for edge guide N800 080021 Instructions for converting for lifting shaft Instructions for converting bobbin hook CLB 300 Notes 14 5 Technical data Noise 867 190020 867 190040 867 290020 867 290040 867 190122 867 190142 867 190145 867 190322 867 190342 867 190445 867 290322 867 290342 867 290445 867 392342 867 393342 867 394342 Workplace related emission value in accordance with DIN 45635 48 A 1 KL2 LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material LC _dB A Stitch length _ mm Material Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing f
34. oot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke Sewing foot stroke mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate mm Stitch rate min min min min min min min min min min min min min min min min 867 190040 70 LC _dB A Stitch length mm Sewing foot stroke mm Stitch rate min Material 867 190342 70 LC _dB A Stitch length mm Sewing foot stroke mm Stitch rate min Material 867 290040 70 LC _dB A Stitch length mm Sewing foot stroke mm Stitch rate min Material 867 290342 70 LC _dB A Stitch length mm Sewing foot stroke mm Stitch rate min Material 16 5 1 Technical data Subclasses e e N N N N N N e A lt q N lt lt N lt Si A o o v v v e e vt e e e e e e e e e e cla 2 eE Se qs 238 M M M RR o o o e o e eo eo eo eo eo eo eo eo kal Type of stitch Lockstitch 301 Hook type jo jo jo jo jo 0 o 0 oO 0 N N N N N o 2 o 2 2 o 2 2 D o D o o D o o o S 3 S
35. otation speed is limited to 1600 min Operation modes of the max sewing foot stroke Shortly press the knee switch to switch on the max sewing foot stroke Actuate the knee switch again to switch off the max sewing foot stroke Sewing the 2nd stitch length during the sewing process max stitch length Actuate key 2 Increase the thread tension during the sewing process Actuate key 1 At the seam end Remove the material Push the pedal all the way back and keep it pushed The final bartack will be sewn if activated The thread will be trimmed The machine halts in the 2nd position The needles are lifted Turning back The sewing feet are lifted Remove the material 47 11 Maintenance 11 1 Cleaning and testing Caution danger of injury Turn off the main switch Maintenance may only be carried out with the machine switched off Maintenance work must be carried out no less frequently than at the intervals given in the tables see operating hours column Maintenance intervals may need to be shorter when processing heavy shedding materials A clean machine is a trouble free machine Maintenance work Explanation Operating to be carried out hours Machine head Remove lint pieces of thread Places in special need of cleaning 8 and other debris e g with area under the needle plate 2 an air blow gun feeders area around the hook 1 bobbin h
36. ousing thread trimmer needle area CAUTION Hold the air blow gun in a way that the lint is not blown into the oil collector Sewing drive Clean fan grille 3 e g with Remove lint and pieces of thread from 8 an air blow gun air intake openings 48 Maintenance work Explanation Operating to be carried out hours Sewing drive Clean fan grille 2 e g with an Remove lint and pieces of thread from 8 air blow gun air intake openings Check condition and It must be possible to depress the V belt by 160 tension of V belt 1 about 10 mm by pressing it with a finger at its mid point Pneumatic system Check water level in The water level must not rise to the level of 40 pressure regulator the filter cartridge 3 After unscrewing the drain screw 5 the water under pressure will flow out of the water separator 4 Clean filter cartridge Dirt and condensation are separated out by 500 the filter cartridge 3 Disconnect the machine from the compressed air supply Unscrew the drain screw 5 There must be no pressure in the machine s pneumatic system Unscrew water separator 4 Unscrew filter cartridge 3 Wash the filter shell and cartridge with cleaning fluid not solvent and blast clean Re assemble the maintenance unit Check the system for leaks 500
37. pos of setting wheel min 0867 190122 0867 190142 0 6 1 3 3400 0867 190145 4 3100 0867 190322 5 2500 0867 190342 6 9 1800 0867 190445 6 9 1 4 3000 5 2500 6 9 1800 9 12 1 5 2000 6 9 1800 0867 190020 0 9 1 4 3000 0867 190040 5 2500 0867 290445 6 9 1800 0867 290020 0867 290040 0867 290322 9 12 1 5 2000 0867 290342 6 9 1800 0867 392342 0867 393342 0867 394342 With double needle machines having a needle distance of more than 20 mm the max speed may amount up to 2000 min 6 15 Setting the stitch length The special sewing machines 867 are depending on the subclass cB equipped with two setting wheels Thus two different stitch lengths can be sewn that are activated by actuating a key see chapter 6 16 The two stitch lengths are set with the setting wheels 1 and 2 on the machine arm Set the higher stitch length with the upper setting wheel 1 Setting 1 min stitch length Setting 12 max stitch length Set the smaller stitch length with the lower setting wheel 2 Setting 1 min stitch length Setting 12 max stitch length The stitch length are the same for both forward and backward sewing For the manual sewing of tacks push the stitch regulator lever 3 downward The machine sews backward stitches as long as the stitch regulator lever 3 is being pushed Hint In order to facilitate the setting of stitch lengths the stitch length tha
38. s Thread in the thread through threading guide 1 and 2 Conduct the thread clockwise around the pre tensioner 3 Conduct the thread counter clockwise around the supplementary tensioner 4 Conduct the thread clockwise around the main tensioner 5 Pull the thread underneath the thread take up spring 8 and conduct it through the thread regulator 10 to the thread lever 11 Conduct the thread through the thread lever 11 and the threading guides 9 7 and 6 on the needle bar Thread the thread into the needle eye Check the length of the thread without fail See the picutre on the opposite to see the max allowed length thread lever at its UDC Thread for the right needle Thread in the thread through threading guide 14 and 15 Conduct the thread clockwise around the pre tensioner 16 Conduct the thread counter clockwise around the supplementary tensioner 17 Conduct the thread clockwise around the main tensioner 18 Pull the thread underneath the thread take up spring 23 and conduct it through the thread regulator 25 to the thread lever 26 Conduct the thread through the thread lever 26 and the threading guides 21 20 and 19 on the needle bar Thread the thread into the eye of the right needle Check the length of the thread without fail See the picutre on the opposite to see the max allowed length thread lever at its UDC 23 eed the Corr
39. sition is unlocked E Lift the sewing feet pneumatically by pushing the knee switch The lever 1 then moves back into its initial position The required sewing foot pressure is set with the setting wheel 2 A CAUTION The material must not swim Do not set a higher pressure than is necessary To increase the sewing foot pressure turn the setting wheel 2 clockwise To decrease the sewing foot pressure turn the setting wheel 2 anti clockwise 6 13 1 Adjusting the sewing foot pressure on automotive machines On automotive machines the setting wheel 2 for the sewing foot pressure is secured against altering through the user Adjusting the sewing foot pressure Loosen the screw 4 and remove the interlock mechanism 3 Adjust the sewing foot pressure according to the description given under chapter 6 13 Put on the interlock mechanism 3 and secure it by fastening the screw 4 37 6 14 Sewing foot stroke 3 The special sewing machine 867 has depending on the subclass as standard equipment two setting wheels for the sewing foot stroke With the left setting wheel 2 the standard sewing foot stroke from 1 to 9 mm is selected With the right setting wheel 1 an increased sewing foot stroke from 1 to 9 mm is selected Turning the setting wheel 1 and 2 1 to 9 1 minimal sewing foot stroke 9 maximal sewing foot stroke Automatic limiting of the number of stitches Machines
40. sized hook XXL and integrated sewing light 700 mm long arm flatbed double needle double lockstitch machine with bottom feed needle feed alternating upper foot feed With oversized hook XXL 700 mm long arm flatbed double needle double lockstitch machine with bottom feed needle feed alternating upper foot feed electro pneumatic rapid stroke adjustment electro magnetic thread cutter connectable thread tension electro pneumatic seam bartacking electro pneumatic second stitch length and sewing foot lifting With oversized hook XXL and integrated sewing light 4 Optional equipments For the 867 the following optional equipments are available Order No Optional equipment Subclasses CO AO NNW NNW O ANN ONNA N AAN st ol sis oi si od si sl sl st st Oo oO elei v 0 c5 t 07 9 N sti ol eo oo CO OO ee el OO ee e OO OO ono st O9 99 09 HD OO DH D DH 9 9 9 9 0 O Me Mc Pc lc a lc el Se SS e a e e e e Fro Feil Fei Feel Feil Feel Fei BORGO mM Fei P 0 00 0 01 0 10 00 0 0 O o o 00 00 CO ol oO CO CO CO CO CO 00 00 CO CO 00 00 0867 590014 Electro pneumatic needle cooler X XIX X X X from the top 0867 590024 Electro pneumatic needle cooler X XIX X X X from the bottom 0867 590104 Thread monitor for hook thread large hook single needle X x 0867 590124 Thread monitor for hook thread large hook double needle X 0867 590114 Thread monitor for hook thread oversized
41. t remains unchanged should be activated with key 2 see chapter 6 16 CAUTION Danger of breakage The stitch length set with the lower setting wheel 2 must not exceed the stitch length set with the upper setting wheel 1 41 6 15 1 Adjusting the stitch length on automotive machines On automotive machines the setting wheels 3 and 4 for the the stitch length are secured against altering through the user Adjusting the stitch length Caution danger of injury Turn off the main switch The stitch length may only be adjusted with the machine switched off Loosen the clamping screws 5 Adjust the stitch length according to the description given under chapter 6 15 Fasten the clamping screws 5 42 6 16 Key pad on the machine arm 10 Key Function 1 Supplementary thread tension GB ten f the key is lit up Supplementary thread tension is switched on If the key is not lit up Supplementary thread tension is switched off 2 2nd stitch length If the key is lit up Higher stitch length upper setting wheel is active If the key is not lit up Smaller stitch length lower setting wheel is active 3 Reading back or suppressing the initial or final bartack If the initial and final bartacks are generally switched on the next bartack is switched off by actuating the key If the initial and final bartacks are generally switched off the next bartack is switched on by
42. t stored F 138 off F 184 2 0 The maximum sewing foot stroke remains engaged as long as the knee switch 2 is actuated High lift for walking foot operation mode stored F 138 on The maximum sewing foot stroke is engaged by actuating the knee switch 2 By actuating the knee switch once again the maximum sewing foot stroke is disengaged High lift for walking foot operation mode not stored with min speed The maximum sewing foot stroke remains engaged as long as knee switch 2 is actuated After releasing the knee switch the machine sews with maximum sewing foot stroke until the set minimum F 138 off F 184 0 lt 100 speed is reached parameter F 184 Then the seam is continued with normal sewing foot stroke 6 14 1 Adjusting the sewing foot stroke on automotive machines CU pr pr prs 6 5 4 On automotive machines the setting wheels 4 and 6 for the sewing foot stroke are secured against altering through the user Adjusting the sewing foot stroke Loosen the screws 5 Adjust the sewing foot stroke according to the description given under chapter 6 14 Secure the setting wheels 4 and 6 against altering using the screws 5 39 HINT In order to ensure an operation as safe as possible and a high durability the max number of stitches as shown in the chart should not been exceeded Subclasses Range of stitch lengths Sewing foot stroke max number of stitches mm
43. tensioner 3 lower than the main tensioner 2 6 2 1 Adjusting the needle thread tension on automotive machines On automotive machines it is possible to secure the main tensioner 2 and the supplementary tensioner 3 against altering through the user Adjusting the thread tension Loosen the screw 6 and remove the interlock mechanism 7 Adjust the needle thread tension according to the description given under chapter 6 2 Put on the interlock mechanism 7 again and secure it by fastening the screw 6 25 6 2 2 Function of the thread main tension and the thread supplementary tension in relation to the sewing foot lifting The thread supplementary tension can at any time be switched on or off by actuating key 1 see chapter 6 16 of the key pad To this end the parameter F 255 must be set on 7 Sewing foot lifting Sewing foot lifting during seam after thread trimming Parameter Thread Thread Thread Thread Setting main supplement main supplement tension tension tension tension F 19620 0 0 0 0 F 196 1 1 1 0 0 F 196 2 0 0 1 1 F 196 3 1 1 1 1 1 Thread tension opened mechanically 0 Thread tension closed mechanically If the thread s supplementary tension is opened this condition will be maintained when lifting the sewing foot e When switching the machine off the last setting of the thread s supplementary tension will be maintained through the mains connection 6 2 3 Reparation seam with thre
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