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175-179

Service Instructions

Summary of Contents for 175

Page 1: ...175 179 Service Instructions ...

Page 2: ...served 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 Copyright Dürkopp Adler AG 2014 ...

Page 3: ...5 6 Removing and inserting the throat plate 15 4 5 7 Removing and inserting the feed pincers and sewing foot 16 4 5 8 Removing and installing the feeds 17 4 5 9 Removing and fitting the oil pan 175 176 18 4 5 10 Removing and fitting the oil pan 179 19 4 5 11 Removing and fitting the upper belt guard 20 4 5 12 Removing and fitting the lower belt guard 21 4 6 Removing disruptive components 22 4 6 1 ...

Page 4: ...16 4 Angle of incline of the feed 175 179 69 17 Differential bottom feed 176 70 17 1 Feed motion of the feeds 70 17 2 Angle of incline of the feeds 71 17 3 Feeds in the longitudinal direction 176 72 17 4 Main feed stitch length 176 73 18 Differentiable foot top feed 175 179 75 18 1 Time of the feed motion of the top feed foot 75 18 2 Synchronization of top feed foot and feed 175 179 78 18 3 Stroke...

Page 5: ...ble European and national regulations The intend ed use of the built in components is described in the corresponding man uals of the manufacturers 1 4 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 ...

Page 6: ...General information 4 Service Instructions 175 179 00 0 05 2014 Unauthorized modifications to the machine The deployment of untrained personnel Damage during transport Using unapproved spare parts ...

Page 7: ...ved Missing or damaged labels must be replaced immediately In the following situations the machine must be disconnected from the power supply using the main switch or by disconnecting the power plug Threading Replacing the needle or other sewing tools Leaving the workplace Performing service and maintenance work and repairs Inspect the machine while in use for any externally visible damage Interru...

Page 8: ...instructions Safety instructions in the text are surrounded by colored bars Signal 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 possible Attention Material damage possible In the case of dangers to personnel the following symbols indicate the type of hazard Examples of the layout of th...

Page 9: ... complied with Warning Type and source of the danger Consequences in the event of noncompliance Measures for avoiding the danger This is what a hazard note looks like for a hazard that could result in moderate or minor injury if not complied with Caution Type and source of the danger Consequences in the event of noncompliance Measures for avoiding the danger This is what a hazard note looks like f...

Page 10: ...ith the legal environmental protection regulations 3 2 Layout of environmental hazard notes The text of the environmental hazard notes is surrounded by green bars The following symbols indicate the type of environmental protection measure Example of the layout of environmental hazard notes in the text Note on proper disposal Type and source of the danger Consequences in the event of noncompliance ...

Page 11: ...to be performed via the software control panel The individual steps are numbered 1 First setting step 2 Second setting step 3 Third setting step etc The sequence of setting steps must always be followed Result of performing an operation If as a result of a setting step a change occurs in the machine or a new notice appears on the display which is important feedback for you this change is marked wi...

Page 12: ...t be secured firmly 3 Cut off the extending ends of cable ties 4 4 Screws in safety covers Screws in safety covers need not be unscrewed completely from the screw hole As soon as the screws are loosened such that the cover can be detached you can remove the cover The screws remain either in the housing or in the cover In the text such screws are marked with the addition safety cover Machine damage...

Page 13: ...ine In order to access the components on the underside of the machine you must tilt the upper part of the machine backwards Fig 1 Tilting the upper part of the machine backwards and returning it to its upright position Tilting the upper part of the machine backwards 1 Tilt the upper part of the machine 2 back to the support 1 Straightening up the upper part of the machine 2 Carefully tilt the uppe...

Page 14: ...w the three head cover screws 1 2 Remove the head cover 2 Fitting the head cover 1 Fit the head cover 2 2 Tighten the three head cover screws 1 4 5 3 Removing and fitting the arm cover Fig 3 Removing and fitting the arm cover Removing the arm cover 1 Unscrew all three screws 1 on the arm cover 2 Remove the arm cover 2 1 Head cover screws 2 Head cover 2 1 1 Screws 2 Arm cover 1 2 ...

Page 15: ... 4 5 4 Removing and fitting the covers on the base plate 175 176 Fig 4 Removing and fitting the covers on the base plate Removing the cover 1 Raise the cover left 1 with a small screwdriver and remove 2 Raise the cover right 2 with a small screwdriver and remove Fitting the covers 1 Insert the cover 1 2 Insert the cover 2 2 1 1 Cover left 2 Cover right ...

Page 16: ...e plate 179 Fig 5 Removing and fitting the cover on the base plate Removing the cover 1 Unscrew both screws 1 2 Lift and lock the sewing foot 3 Lift the cover 2 and remove to the front Fitting the cover 1 Lift and lock the sewing foot 2 Fit the cover 2 from the front 3 Tighten both screws 1 1 Screws 2 Cover 1 2 ...

Page 17: ...ig 6 Removing and inserting the throat plate Removing the throat plate 1 Lift and lock the sewing foot 2 Unscrew both screws 1 3 Remove the throat plate 2 upwards Inserting the throat plate 1 Lift and lock the sewing foot 2 Insert the throat plate 2 from above 3 Tighten both screws 1 1 Screws 2 Throat plate 1 2 ...

Page 18: ...ft and lock the sewing foot 2 Unscrew the screw 2 3 Remove the feed pincers 3 Removing the sewing foot 1 Unscrew the screw 1 2 Remove the sewing foot 4 Inserting the sewing foot 1 Lift and lock the sewing foot 2 Fit the sewing foot 4 3 Secure the sewing foot with screw 1 Inserting the feed pincers 1 Insert the feed pincers 3 2 Secure the feed pincers with screw 2 1 Screw 2 Screw 3 Feed pincers 4 S...

Page 19: ... 1 2 Remove the feed 2 Removing the feeds 176 1 Remove the screws from the feeds 2 Remove the main feed 3 Remove the differential feed Installing the feed 175 179 1 Install the feed 2 2 Secure the feed with screw 1 Installing the feeds 176 1 Install the main feed 1 2 Secure the feed with screw 1 3 Install the differential feed 4 Secure the differential feed with screw 1 Screw 2 Feed 1 2 ...

Page 20: ...oving and fitting the oil pan 175 176 Fig 9 Removing and fitting the oil pan Removing the oil pan 1 Unscrew the four screws 1 2 Remove the oil pan 2 downwards Fitting the oil pan 1 Fit the oil pan 2 2 Secure the oil pan by tightening the four screws 1 1 Screws 2 Oil pan 2 1 ...

Page 21: ...5 10 Removing and fitting the oil pan 179 Fig 10 Removing and fitting the oil pan Removing the oil pan 1 Unscrew the screw 1 2 Remove the oil pan 2 downwards Fitting the oil pan 1 Fit the oil pan 2 2 Secure the oil pan by tightening the screw 1 2 1 1 Screw 2 Oil pan ...

Page 22: ...ee screws 1 on the handwheel 2 Remove the handwheel 2 Removing the belt guard 1 Unscrew the four screws 4 on the belt guard 2 Remove the belt guard 3 Fitting the belt guard 1 Fit the belt guard 3 2 Secure the belt guard by tightening the four screws 4 Fitting the handwheel 1 Fit the handwheel 2 2 Secure the handwheel by tightening the three screws 1 1 Screws 2 Handwheel 3 Belt guard 4 Screws 1 2 4...

Page 23: ...nd fitting the lower belt guard Fig 12 Removing and fitting the lower belt guard Removing the belt guard 1 Unscrew both screws 1 2 Remove the belt guard 2 to the right Fitting the belt guard 1 Fit the belt guard 2 2 Secure the belt guard with both screws 1 1 Screws 2 Belt guard 1 2 ...

Page 24: ...ad cutting device needle protection looper and looper mounting 4 6 1 Removing and installing the thread cutting device 175 176 Fig 13 Removing the thread cutting device Removing the blade 1 Unscrew the screw 1 2 Pull the movable blade 2 to the left out of the counter blade 4 3 Unscrew the screws 3 and remove the thread cutter upwards Risk of injury Risk of crushing from moving parts Switch the sew...

Page 25: ...er 4 fits over the ball lever 5 2 Insert both screws 3 and tighten 3 Push the movable blade 2 to the right between the counter blades 4 Secure the blade to the thread cutter with the screw 1 Sequence After removing the thread cutter you must make the following settings Thread cutter setting Section 22 1 pg 90 1 Screw 2 Movable blade 3 Screws 4 Blade mounting 5 Ball lever 3 2 1 5 4 ...

Page 26: ...late Removing the support plate 1 Remove both screws 3 2 Carefully remove the support plate 1 with mechanics and cylinder 2 Installing the support plate 1 Carefully fit the support plate 1 with mechanics and cylinder 2 2 Secure the support plate with both screws 3 1 Support plate 2 Cylinder 3 Screws 3 1 1 2 ...

Page 27: ...moving the thread cutting device Removing the support plate 1 Unscrew the screws 3 2 Carefully remove the support plate 1 with mechanics and cylinder 2 Installing the support plate 1 Carefully fit the support plate 1 with mechanics and cylinder 2 2 Secure the support plate with the screws 3 1 Support plate 2 Cylinder 3 Screws 2 1 3 ...

Page 28: ...eedle protection 1 Unscrew the two screws 1 2 Carefully remove the needle protection 2 Installing the needle protection 1 Carefully fit the needle protection 2 2 Secure the needle protection by tightening the two screws 2 Sequence After removing the needle protection you must make the following setting Setting the needle protection Section 14 pg 61 1 Screws 2 Needle protection 2 1 ...

Page 29: ...per mounting 4 with looper 5 from the shaft Installing the looper mounting and looper 1 Push the looper mounting 4 with looper 5 onto the shaft 2 Tighten the two adjusting screws 1 and 3 slightly 3 Tighten the screw 2 on the looper mounting completely Sequence After removing the looper and the looper mounting you must perform the following setting Looping stroke and looper gauge Section 13 1 pg 57...

Page 30: ... settings the machine must be locked To this end the locking pin 1 from the accessory pack is inserted into a groove on the arm shaft crank in order to block the arm shaft Fig 20 Locking pin and tracing grooves on the arm shaft crank There are numbers on the handwheel 3 for orientation If you turn the handwheel such that one of the numbers is next to the marking 2 this means that the corresponding...

Page 31: ...f the machine the needle point must as in slot C also be in line with the center of the needle Position C Setting the lower toothed belt wheel Symmetry of the looper motion Looping stroke Needle bar height Position D Feed at standstill Stroke setting of the top feed foot Position E Thread pick up disk Position F 1st screw of the top feed stroke cam in the direction of rotation aligned with grooves...

Page 32: ...esired locking position is next to the marking 3 2 Insert the locking pin 2 through the locking opening 1 into the groove on the arm shaft crank The numbers on the handwheel serve for general orientation In order to hit the groove precisely you may have to turn the handwheel slightly Canceling the lock 1 Pull out the locking pin 2 ...

Page 33: ...he machine settings Fig 22 Gauge and key set Gauge Order number Setting 0933 000735 Setting the rocker bolt in the looper drive housing 0933 000739 K Setting the looper drive housing 9301 022608 included in the accessory pack Locking pin For locking the handwheel in one of the setting positions A F 0171 000981 To measure the needle evasive movement ellipsis width of the looper drive If you have yo...

Page 34: ... and key set 32 Service Instructions 175 179 00 0 05 2014 0933 080192 Even looper movement for symmetry 0933 000740 Height of the thread take up disk 0271 000767 Height of the feed Gauge Order number Setting ...

Page 35: ...1 in the arm shaft crank Only when the adjusting disk is in this position are the settings to be made in the other slots also correct Fig 23 Adjusting disk to the arm shaft Check correct setting First check the factory setting using two locking pins 2 and 3 alternatively twist drill 5 mm Faults due to incorrect setting All function sequences are disrupted 1 Groove in the arm shaft crank 2 Locking ...

Page 36: ...he upper toothed belt wheel 2 3 Insert the locking pin 4 in the groove 1 of the arm shaft crank 4 Turn the handwheel until the locking pin 5 can be inserted into the deepest slot A of the adjusting disk 5 Tighten the screws on the upper toothed belt wheel 2 6 Fit the toothed belt Risk of injury Risk of crushing from moving parts Switch off the sewing machine before setting the adjusting disk Warni...

Page 37: ...ble with a hex key Faults due to incorrect setting Setting the machine is made more difficult Fig 25 Setting the lower toothed belt wheel Setting steps 1 Turn lower toothed belt 2 into the position shown 2 Lock machine in position C Section 4 8 pg 28 3 Place toothed belt on upper toothed belt wheel Risk of injury Risk of crushing from moving parts Switch the sewing machine off before setting the l...

Page 38: ...per and lower shafts you must make the following settings Symmetry of the looper motion Section 11 pg 52 Looping stroke and looper gauge to the needle Section 13 1 pg 57 Needle bar height Section 13 2 pg 59 Feed at standstill Section 16 1 pg 65 Thrust setting of the top feed foot Section 18 1 pg 75 Stroke setting of the top feed foot Section 18 3 pg 80 ...

Page 39: ...on 4 5 9 pg 18 Remove the thread cutting device class 175 and 176 Section 4 6 1 pg 22 Thread cutting device class 179 Section 4 6 2 pg 25 Drain the oil in the looper drive housing Section 8 1 pg 38 Remove the needle protection Section 4 6 3 pg 26 Remove the looper mounting Section 4 6 4 pg 27 Remove the looper drive housing Section 8 2 pg 39 Set the lower bearing and rocker bolt Section 8 pg 37 Ri...

Page 40: ... completely Topping up the oil 1 Tilt the machine backwards Section 4 5 1 pg 11 2 Top up the looper drive housing 1 with the oil DA 10 up to the upper mark 4 on the sight glass 3 Screw in the oil drain screw 2 Risk of environmental damage from lubricant Lubricant is a pollutant and must not enter the sewage system or the soil Collect waste lubricant carefully and dispose of it and greasy machine p...

Page 41: ... 3 Pull the looper drive housing 1 carefully off to the left While doing so slowly turn the lower shaft 3 Fitting the looper drive housing 1 Push the looper drive housing 1 carefully on to the right While doing so slowly turn the lower shaft 3 until the rocker bolt is engaged in its mounting 2 Tighten the clamping screw 2 Risk of injury Risk of crushing from moving parts Switch off the sewing mach...

Page 42: ... a completely new looper drive housing you must make the following settings Set the looper drive housing Section 9 pg 44 Set the needle evasive movement Section 10 pg 47 Set the symmetry of the looper motion Section 11 pg 52 Set the looper in the looper mounting Section 12 pg 54 Set the looper and needle bar height Section 13 pg 56 ...

Page 43: ... to be 38 8 mm Setting steps 1 Screw the gauge 1 order no 0933 000735 onto the needle plate support 2 Loosen the two clamping screws 5 3 Move the lower shaft bearing 6 to the gauge 1 4 Tighten the two clamping screws 5 Faults due to incorrect setting Damage to the looper Damage to the needle Damage to the thread cutter Missed stitches Thread breakage Risk of injury Risk of crushing from moving par...

Page 44: ...ainst the face 3 of the lower shaft Setting steps 1 Remove the grease cap 4 The second fastening screw 5 is accessible from the upper side of the base plate 2 Screw the gauge 1 order no 0933 000735 onto the needle plate support Risk of injury Risk of crushing from moving parts Switch off the sewing machine before adjusting the rocker bolt Warning 1 Gauge 2 Rocker bolt 3 Face of the lower shaft 4 G...

Page 45: ...of the toothed belt on the lower toothed belt wheel If required align the lower toothed belt wheel 7 Re install the looper drive housing Section 8 2 pg 39 and fill with DA 10 oil Section 8 1 pg 38 Faults due to incorrect setting Damage to the looper Damage to the needle Damage to the thread cutter Missed stitches Thread breakage Sequence After setting the rocker bolts and left lower shaft you must...

Page 46: ...e plate This corresponds to a distance of 50 5 mm between the lower edge of the looper shaft 3 and the needle plate support 5 Faults due to incorrect setting Damage to the looper Damage to the needle Damage to the thread cutter Missed stitches Thread breakage Risk of injury Crushing and needle prick injuries caused by moving and pointed parts Switch off the sewing machine before adjusting the loop...

Page 47: ...ain the oil in the looper drive housing Section 8 1 pg 38 Remove the needle protection Section 4 6 3 pg 26 Remove the looper mounting Section 4 6 4 pg 27 Fig 33 Setting the looper drive housing Setting steps 1 Screw the gauge 1 order no 0933 000735 onto the needle plate support 2 Loosen the clamping screw 4 3 Align the looper drive housing such that the looper shaft 2 lies in the cutout of the gau...

Page 48: ... Sequence After setting the looper drive housing you must make the following settings Symmetry of the looper motion Section 11 pg 52 Looping stroke and looper gauge to the needle Section 13 1 pg 57 Looper and needle bar height Section 13 pg 56 Feed at standstill Section 16 pg 65 ...

Page 49: ...the moment when the looper and needle take up the position shown in the above sketch The precise dimension of the evasive movement depends on the needle system and the needle thickness It must therefore be calculated using the following formula Example using a 934 SIN Nm 110 needle Needle thickness at a 0 7 mm Looper thickness at b 1 4 mm Distance from looper tip to the needle 0 1 mm For larger ne...

Page 50: ... 05 2014 X larger dimension a for larger needle thicknesses X for Nm 100 0 mm X for Nm 110 and 120 0 1 mm X for Nm 130 0 2 mm To set move the lower shaft axially To the right ellipsis width is smaller To the left ellipsis width is larger Information See next page for setting instructions ...

Page 51: ...he handwheel to position the looper shaft 3 at its highest point 5 Read the difference off the dial gauge Important If the dimension does not match the calculated dimension for the ellipsis width the lower shaft 2 must be loosened and adjusted Section 10 3 pg 51 When adjusting in the axial direction the ellipsis width changes in the ratio of 1 2 i e when the lower shaft is moved e g by 0 2 mm the ...

Page 52: ...ellipsis width 50 Service Instructions 175 179 00 0 05 2014 10 2 Resetting the needle protection Fig 36 Resetting the needle protection Setting steps 1 Loosen the screws 1 and reset the needle protection 2 1 Screws 2 Needle protection 2 1 ...

Page 53: ...priate direction until the calculated dimension is achieved 4 Set the cam 2 set collar 5 and the right set collar bearing 5 such that a tight fit with the lower shaft 4 is ensured 5 Align the toothed wheel 1 to the upper toothed wheel and screw tight Sequence After setting the rocker bolts and left lower shaft you must make the fol lowing settings Symmetry of the looper motion Section 11 pg 52 Loo...

Page 54: ...tip is in line with the center of the needle for machines locked both in slot C and slot B The looper tip is to be behind the needle in slot C and in front of it in slot B Faults Damage to the looper Damage to the needle Missed stitches Thread breakage Risk of injury Risk of crushing from moving parts Switch the sewing machine off before setting the symmetry of the looper motion Warning 1 Center o...

Page 55: ...cise adjustments secure the gauge 2 order number 933 80192 to the looper drive housing and the indicator 1 to the looper shaft 2 Loosen the screws on the lower toothed belt wheel 3 3 Turn the lower shaft such that the indicator 1 is above the marking on the gauge 2 both in slot C and B 4 When you turn the lower shaft the indicator must swing out to the left 5 Tighten the screws on the toothed belt...

Page 56: ...t one Setting is performed using the gauge order no 0171 290010 Faults due to incorrect setting Damage to the looper Damage to the needle Missed stitches Thread breakage Cover Remove covers on the base plate Section 4 5 4 pg 13 and Section 4 5 5 pg 14 Remove the throat plate Section 4 5 6 pg 15 Remove the feed Section 4 5 8 pg 17 Remove the thread cutter Section 4 6 1 pg 22 and Section 4 6 2 pg 25...

Page 57: ... the looper in the looper mounting Setting steps 1 Loosen the screw 4 Fig 41 Looper and looper mounting 2 Place the gauge 3 order no 0171 290010 on the right side of the base plate cutout 3 Move the looper 5 to the gauge and tighten the screw 4 1 Thread cutter 2 Feed 3 Gauge 1 2 3 4 Screw 5 Looper 4 5 ...

Page 58: ...gauge The distance between the looper tip and the needle groove is to be 0 1 mm Fig 42 Looping stroke position Check correct setting When the needle 1 has risen by 3 5 mm from its bottom dead center as a result of turning the hand wheel in the direction of rotation the looper tip 2 must be at the center of the needle Slot C of the adjusting disk This setting must also be present in the opposite di...

Page 59: ...w 4 4 Set the looping stroke position Place the looper tip 6 behind the needle 2 on the center line To do this turn the adjusting screws 3 and 5 accordingly 5 Set the looper gauge Set a distance of 0 1 mm by moving the looper mounting 6 axially between the looper tip and the needle groove 8 6 Tighten 4 screw Risk of injury Crushing and needle prick injuries caused by moving and pointed parts Switc...

Page 60: ...the looping stroke position and looper gauge you must make the following settings Needle bar height Section 13 2 pg 59 Checking the symmetry of the looper motion Pos B and C Section 11 pg 52 7 After definitively aligning the looping stroke position looper gauge and needle bar cancel the lock Section 4 8 pg 28 ...

Page 61: ...nd the upper edge of the looper eye should be at the same level Faults due to incorrect setting Missed stitches Thread breakage Sequence Prerequisite A straight and undamaged needle must be used Operating Instructions Sec Replacing Needles Risk of injury Crushing and needle prick injuries caused by moving and pointed parts Switch off the sewing machine before checking and setting the needle bar he...

Page 62: ...he same level Important Do not turn the needle bar to the side while doing this 3 Tighten the needle bar fastening screw 2 Sequence After setting the needle bar height you must make the following settings Looping stroke position and looper gauge Section 13 1 pg 57 4 After definitively aligning the looping stroke position looper gauge and needle bar cancel the lock Section 4 8 pg 28 2 3 4 1 Needle ...

Page 63: ...st needle position half of the needle eye 2 must remain clear Faults due to incorrect setting Damage to the looper Damage to the needle Missed stitches Thread breakage Sequence Prerequisite A straight and undamaged needle must be used Operating Instructions Sec 8 7 Replacing needles Cover Remove the covers on the base plate Section 4 5 5 pg 14 Remove the throat plate Section 4 5 6 pg 15 Fig 46 Set...

Page 64: ...tting steps 1 Loosen the screw 3 2 Adjust the height of the needle protection accordingly 3 Tighten screw 3 4 Loosen screws 4 5 Move the needle protection to the needle point 6 Tighten screws 4 Important The needle must not be pushed aside any more than is required 1 Looper tip 2 Needle eye 3 Screw 4 Screw 3 2 1 4 ...

Page 65: ...ush with the left side of the needle see drawing In the sewing direction the spreader 3 must be set such that the looper with its groove 2 can move as closely as possible in front of the spreader tip but still with sufficient freedom The spreader tip should be centered in the looper groove 2 Faults due to incorrect setting Missed stitches Thread breakage Sequence Prerequisite A straight and undama...

Page 66: ...ate Section 4 5 5 pg 14 Remove the throat plate Section 4 5 6 pg 15 Remove the feed pincers and sewing foot Section 4 5 7 pg 16 Remove the feed Section 4 5 8 pg 17 Fig 49 Setting the spreader Setting steps 1 Loosen the screws 2 slightly 2 Set the spreader 1 accordingly 1 Spreader 2 Screws 3 Spreader tip 1 2 3 ...

Page 67: ... 18 Fig 50 Feed motion of the feed Setting steps 1 Loosen the screws 1 of the thrust cam 2 2 Lock the handwheel in slot D 3 Turn the thrust cam 2 such that when the adjusting wheel 3 moves the feed does not 4 Tighten the screws of the thrust cam 2 Ensure here that the lower shaft is set tight Important For the maximum feed length the feed must not strike the throat plate cutouts Section 17 3 pg 72...

Page 68: ...k Faults due to incorrect setting Damage to the looper Damage to the needle Missed stitches Thread breakage Cover Remove the oil pan Section 4 5 9 pg 18 Fig 51 Stroke motion of the feed Setting steps 1 Unscrew the screws 4 and remove the grease cap 5 2 Loosen the screws of the stroke cam 2 3 Lock the machine in slot D Risk of injury Risk of crushing from moving parts Switch off the sewing machine ...

Page 69: ...screw 1 in the direction of rotation of the machine is level with the housing edge 3 5 Align the toothed wheel to the upper toothed wheel and tighten the screws of the stroke cam 2 6 Position the grease cap 5 and secure with screws 4 Important In its highest position the feed should be 0 9 mm above the throat plate surface ...

Page 70: ...ing Stitch length does not suit Cover Remove the oil pan Section 4 5 9 pg 18 Sequence Prerequisite A straight and undamaged needle must be used Operating Instructions Sec 8 7 Replacing needles Fig 52 Adjusting the stitch length Setting steps 1 Loosen the clamping screw 3 2 Insert a peg in the borehole 2 and turn the guide 2 accordingly Risk of injury Risk of crushing from moving parts Switch off t...

Page 71: ...ing Damage to the material to be sewn Fig 53 Adjusting the angle of incline of the feed Setting steps 1 Loosen the screw 2 2 Turn the lever 3 such that the feed 1 is parallel to the throat plate Ensure that the feed mounting is not pushed in the longitudinal direction 3 Tighten screw 2 Risk of injury Risk of crushing from moving parts Switch off the sewing machine before checking and setting the f...

Page 72: ...en the screws on the thrust cam 1 3 Turnthethrustcam 1 sothatthefeeddoesnotmovewhentheadjusting wheel 3 is moving up and down Important Do not turn the thrust cam too far If it is turned more than 180 the feed movement will take place at the wrong time 4 Tighten the screws on the thrust cam 1 Sequence After setting the feed motion of the feed you must make the following settings Check the stitch l...

Page 73: ...i tion depending on the sewing equipment and parallel above the surface of the throat plate Faults due to incorrect setting Damage to the looper Damage to the needle Missed stitches Thread breakage Fig 55 Height of the feeds Setting steps 1 Loosen the screws 1 and 4 2 Set the height of the feed mounting with the gauge order no 935 054563 3 Tighten screws 1 and 4 Risk of injury Risk of crushing fro...

Page 74: ...he throat plate Damage to the feeds Noise Cover Removing the throat plate Section 4 5 6 pg 15 Fig 56 Feeds in the longitudinal direction Setting steps 1 Loosen the screws 1 and 2 2 Set feeds in the longitudinal direction 3 Tighten screws 1 and 2 Information Screw 1 can only be accessed from outside via the borehole in the base plate Risk of injury Risk of crushing from moving parts Switch off the ...

Page 75: ... is determined by the position of the left guide shaft 2 The differential feed can execute a different feed length than the main feed The amount of ruffing depends on the setting If for example a stitch length of 4 mm is set on the stitch adjuster 11 stitches on thin cardboard should correspond to a feed of 40 mm Faults due to incorrect setting Stitch length does not suit Risk of injury Risk of cr...

Page 76: ...ions 175 179 00 0 05 2014 Fig 58 Main feed stitch length Setting steps 1 Loosen the screw 3 2 Turn the guide shaft 2 accordingly 3 Tighten screw 3 Sequence Perform the sewing process and check the stitch length 1 Main feed 2 Guide shaft 3 Screw 1 2 3 ...

Page 77: ...al If the sewing machine is in position D and a stitch length of 4 mm is set the top feed foot 2 should not move when the top feed guide is swung out Faults due to incorrect setting Synchronization of the top feed to the bottom feed is poor Ruffing behavior is poor Cover Remove the head cover Section 4 5 2 pg 12 Remove the arm cover Section 4 5 3 pg 12 Risk of injury Risk of crushing from moving p...

Page 78: ...osition D 4 Loosen the second screw of the thrust cam 1 5 Turn the thrust cam 1 slightly and thereby raise and lower the adjusting wheel 2 6 Twist the thrust cam 1 until no further movement is evident in the top feed Important Before tightening the thrust cam screws pull the thrust cam 1 approx 5 mm away from the bearing so that the cam and bearing do not rub against one another 7 Retighten the tw...

Page 79: ...g the advance lever 1 Set the stitch length to 4 mm 2 Lock sewing machine in position D 3 Loosen the screws 4 two items of the clamping hub 2 4 Move the advance lever 1 to the vertical position 5 Retighten the screws 4 two items of the clamping hub 2 1 Advance lever 2 Thrust cam 3 Clamping hub 4 Screw 1 3 2 4 ...

Page 80: ...p transport foot and the feed must be in synch Faults due to incorrect setting Synchronization and ruffing behavior not optimal Cover Remove the arm cover Section 4 5 3 pg 12 Fig 62 Synchronization of top feed foot and feed Setting steps 1 Set the stitch length to 4 mm for the feed and the top transport foot 2 Loosen the screw 3 of the clamping lever 2 3 Turn the guide 1 insert locking peg in bore...

Page 81: ...in the direction the top feed becomes larger By turning in the direction the top feed becomes smaller 4 When there is synchronicity between the top and bottom feed retighten screw 3 of the clamping lever 2 Sequence Use the handwheel to turn the sewing machine through a cycle and check the synchronization ...

Page 82: ... incorrect setting Increased wear of mechanical parts Feed behavior not optimal poss loud machine noises Cover Remove the arm cover Section 4 5 3 pg 12 Setting steps 1 Lock sewing machine in position F 2 Loosen both screws of the stroke cam 1 3 Turn stroke cam 1 until the first screw in the direction of rotation is aligned with the groove 3 of the push rod 4 Retighten both screws of the stroke cam...

Page 83: ...e between the foot fastening block 1 and the bearing block 3 of the rocker lever 4 should be 72 mm Faults due to incorrect setting Poor feed behavior Cover Remove the arm cover Section 4 5 3 pg 12 Remove the head cover Section 4 5 2 pg 12 Fig 64 Stroke of the top feed Risk of injury Risk of crushing from moving parts Switch off the sewing machine before setting the stroke Warning 1 Foot fastening ...

Page 84: ...mportant The cloth presser bar must end flush on the underside of the foot fastening block Fig 66 Stroke height of the top feed foot 4 Tighten screw 1 5 Loosen the screw 6 of the clamping hub 5 6 Turn the lifting shaft 7 Thetopfeedfoot 9 shouldhaveamaximumstrokeof2 mmtothe throat plate 8 Turn the lifting shaft until the top feed has achieved the required stroke 1 Screw 3 Bearing block 5 Clamping h...

Page 85: ...Fig 67 Top feed foot and throat plate Important Set only as much lift as is required Too great a lift comes at the expense of the pincer movement i e the higher the stroke the shorter the move ment of the top feed on the feed 7 Tighten screw 6 8 Throat plate 9 Top feed foot 8 9 2 mm ...

Page 86: ...ts due to incorrect setting Material damage Fig 68 Position of the top feed foot Setting steps 1 Loosen threaded pins 2 2 Push the pin 3 into or out of the feed shaft 1 as required This adjusts the angle of incline of the top feed foot 3 Re tighten the threaded pins 2 Sequence After adjusting the angle of incline of the top feed the lift height must be checked and corrected if necessary Risk of in...

Page 87: ...ntered the thread triangle on the left in front of the needle thread loop 4 As the needle moves to its upper position and the looper moves to the left the needle point should pass the retention spring 2 at a distance of approx 0 5 mm Faults due to incorrect setting Missed stitches Thread breakage Cover Remove the covers on the base plate Section 4 5 4 pg 13 Remove the throat plate Section 4 5 6 pg...

Page 88: ...hecked when the machine is completed and threaded 4 Tilt the upper part of the machine backwards and turn by hand 5 Check the described stitch formation during the right to left and left to right looper motion If required if the needle thread loop is not pushed beyond the holding point 1 reduce the pressure of the retention spring by bending it or increase the pressure if the needle thread loop is...

Page 89: ...ly reproduced using a scale 2 Faults due to incorrect setting Missed stitches Thread breakage Fig 71 Stitch length controlled thread take up Setting steps Basic setting For sewing machines with a maximum stitch length of 4 mm 1 Push bolt 2 toward the guide shaft until it stops Setting the thread take up 1 Loosen screws 3 2 Set the thread guide in accordance with the scale 0 small thread quantity 5...

Page 90: ... 73 Stitch length controlled thread take up Important For an extreme setting e g shortest possible stitch length and largest possible thread quantity flexible seam it must be ensured that it is possible for the needle to enter into the thread triangle again securely Overly large thread quantities can cause missed stitches If for the above settings the stitch length must be increased significantly ...

Page 91: ...akage Cover Remove the covers on the base plate Section 4 5 4 pg 13 Fig 74 Setting the thread take up disk Setting steps 1 Loosen the screws of the thread take up disk 1 2 Insert the locking pin in slot E 3 Turn the thread take up disk 1 accordingly The measurement can be performed using gauge 3 4 Set the disk tightly and tighten the screws Risk of injury Risk of crushing from moving parts Switch ...

Page 92: ...point of the movable blade during the cutting process Faults due to incorrect setting Thread that is not cut or not cut cleanly Fig 75 Removing the blade Setting steps 1 Removing the blade 1 Unscrew screw 3 and remove movable blade 4 2 Unscrew the screws 5 3 Remove the entire thread cutter Risk of injury Risk of crushing from moving parts Switch off the sewing machine before adjusting the thread c...

Page 93: ...ch 3 Tighten screw 5 4 Perform cutting test with thread Important If the cut is not clean the blade must be checked for sharpness or replaced with a new sharp blade 5 Set the movable blade 2 in cutting position by lightly turning in the pressure screw 3 Important A smooth blade movement must be guaranteed 6 If required align the stationary blade 1 to the movable blade 2 using the pressure screw 4 ...

Page 94: ...nt If the clamping plate is too tight this can case ruffing at the start of sewing 4 Installing the thread cutter Fig 78 Installing the thread cutter 1 Unscrew screw 3 and first remove the movable blade again 2 Position the thread cutter such that the blade holder 1 fits over the ball lever 2 3 Tighten screws 5 4 Insert blade 4 and secure with screw 3 1 Thread clamping plate 1 1 Blade mounting 2 B...

Page 95: ...7 of the stationary blade 6 Important The point 5 of the movable blade 6 should be approx 0 5 1 mm behind the edge of the stationary blade Fig 80 End position of the thread cutter 4 If one moves the piston rod 2 into its right end position the edge 8 of the blade mounting and edge 9 of the table plate should be flush with one another 5 Loosen the nut 4 and set the end position of the cylinder acco...

Page 96: ...ened and the thread puller 1 is activated for the looper and the needle thread The pulled tension free thread serves to ensure proper stitch formation the next time sewing commences No more thread than is required should be pulled as this determines the length of the thread end remaining at the start of the seam The thread puller 1 is stepped By adjusting the end stop 2 more or less thread can be ...

Page 97: ... due to incorrect setting Thread is not cut Fig 82 Thread puller lever Setting steps 1 Insert sewing material and sew a short seam 2 Switch off the machine 3 Remove compressed air 4 Turn the needle bar into the top dead center 5 Press the thread puller lever 3 manually all the way to the right 6 Check whether the thread puller 2 is moving through the thread loop around the looper 7 Slowly push the...

Page 98: ...ht end position of the thread puller lever 1 Release the counternut 7 2 Turn the end stop 6 accordingly 3 Tighten the counternut 7 Correction of the left end position of the thread puller lever 1 Release the counternut 4 2 Turn the piston rod 5 accordingly 3 Tighten the counternut 4 4 Counternut 5 Piston rod 6 End stop 7 Counternut 4 5 6 7 ...

Page 99: ...de edge of the cover plate 1 The counter blade 8 must project sufficiently far into the thread puller plate here 1 Loosen screws 5 2 Align the holding bracket 2 to the edge of the cover plate 1 and to the thread puller plate 4 3 Tighten screws 5 Cutting pressure of the counter blade 1 The cutting pressure is set by turning the counter blade 8 with respect to the thread puller plate 7 2 Loosen the ...

Page 100: ...ches the MAX mark Risk of injury Skin rashes from lubricant Oil can cause a rash if it comes into contact with the skin Avoid any prolonged skin contact with the oil Wash the affected area thoroughly after contact Warning Risk of environmental damage from grease Lubricant is a pollutant and must not enter the sewage system or the soil Collect waste lubricant carefully and dispose of it and greasy ...

Page 101: ...0012 2 liter container 9047 000013 5 liter container 9047 000014 23 2 Cleaning work Sewing dust and thread remains must be removed every 8 operating hours using a compressed air pistol or a brush Areas that need to be cleaned particularly thoroughly Looper Throat plate Motor fan sieve These cleaning operations are described in the operating instructions Operating Instructions Sec 10 Maintenance Po...

Page 102: ...Maintenance work 100 Service Instructions 175 179 00 0 05 2014 ...

Page 103: ......

Page 104: ...mer 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 Dürkopp Adler AG Service Instructions 0791 179640 EN 00 0 05 2014 ...

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