Duerkopp Adler 4180i-1, Instructions For Service Manual

Page 1: ...vice a s Sokolská 60 CZ 680 17 Boskovice Tel 420 516 453434 453433 494111 Fax 420 516 452165 http www minerva boskovice com Edition 10 2005 Printed in Czech Republic S735 000662 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...echanisms of the main tensioners 3 4 4 Setting the adapting spring 3 4 5 Setting the thread limiter 3 4 6 Setting the additional thread limiter 3 5 Feeding mechanism of the needle feed and of the lower feed wheel 10 3 5 1 Description 3 5 2 Stitch length mechanism 3 5 2 1 Setting the upper eccentric 3 5 2 2 Setting the prop 3 5 2 3 a Forward and rearward stitch length distribution rough 3 5 2 3 b F...

Page 3: ...tion of the trimming mechanism 4 2 Setting the pickup roller 4 3 Setting the cam 4 4 Setting the fork 4 5 Setting the moving knife 4 6 Setting the height of the fixed knife and of the retaining spring of the lower thread 4 7 Setting the fixed knife 4 8 Setting the retaining spring of the hook thread 4 9 Setting switching of the electromagnets 5 Lifting the top roller by electromagnet 26 5 1 Descri...

Page 4: ... situations In industrial sewing machines attention should be paid to the following still remaining possible sources of injury 1 Moving sewing needle risk of injury when sewing with raised pressure foot or top roller because the finger guard is then positioned too high risk of injury when inadvertently threading down of the motor threadle 2 Moving thread take up lever risk of injury when inadverte...

Page 5: ...osen both screws 2 By turning the screws 3 and 4 set the required distance A For setting up use the setting gauge 7 as per the repective figure After having set it tighten carefully the screws By axial shifting of the gear wheel 5 set the axial clearance in such a way that this clearance is the least possible but sufficient for turning easily the hook Tightencarefullythescrews 2 Caution Oneofthese...

Page 6: ...protective sheet and the hook body 3 we shall reduce the play by levering in applying the pressure on the protective sheet in the sense of the arrow 4 we shall increase the play Check up the protecting effect in pushing against the needle in the sense of the arrow 5 The hook point must not catch the needle If so set up the protecting effect correct eventually the setting of the distanceofthehookpo...

Page 7: ...nt comes to lie opposite the needle 4 The wheel 2 is to be set with its gear rim symmetrically to the centre of the gear wheel 1 The clearance between the gear wheels is to be the least possible Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Set the angle of 2O8 on the handwheel 6 and lock it with the screw 7 On the removed post...

Page 8: ... bar 11 on the loop 12 is mounted in a ball bearing and it is slidingly mounted on the needle bar carrier The mechanism is lubricated by means of a central wick lubricating system 3 2 2 To check the handwheel angular adjustment The handwheel 5 must be situated in its precise position relative to the needle and thread mechanism This position is given by a pin 2 which locks the connecting rod of the...

Page 9: ...en the screws 1 and 3 3 2 5 Setting the needle the needle bar holder in the direction of sewing Whenshiftingouttheneedlefromthethroatplateinsert atthemoment when the needle eye is at the level of the top surface of the throat plate insert 3 the distance between the needle and the wall of the throat plate insert must be A 0 2 mm Caution Danger of injury Switch off the main switch Before starting th...

Page 10: ...ing the setting operation wait until the motor stops Turn slightly the finger 2 in the sense towards the throat plate 1 Place the throat plate 1 and screw in the screws 6 Place the insert 4 and screw in the screws 5 7 3 3 3 Side setting of the throat plate post The post of the throat plate 1 is to be side set in such a way that the axis of the hole in the insert of the throat plate 2 is at the dis...

Page 11: ...ad from the sewn material when removing the sewn material from the pressing element without leaving the tensioner 3 4 3 Setting the tensioning mechanisms of the main tensioners In the rest position of the tensioners when pushing the plate of the tensionersonthespot A 3 4 1 thisplatemusthavethesocalleddead travelofabout0 5mm Atthislifting thetensiondiscsofthetensioners must not be relieved This can...

Page 12: ...ring 2 shifts by about 1 4 to 1 2 length of its total length This means that the thicker will be the sewn material and the longer will be the stitch length the more will be the limiter shifted in the sense of the arrow and inversely Under standard sewing conditions the thread limiter is set in its tested positions depending on the sewing category in accordance with the chapter 11 Caution Danger of...

Page 13: ...ous setting of the eccentric by means of the setting bar Insert the setting bar 3 into the hole in the eccentric 1 and prop it from above against the feeding shaft 4 Shift axially the eccentric 1 on the shaft into its extreme positions and place it in the middle Tighten the screws of the eccentric 1 to the maximum one screw first and after having turned slightly the hand wheel the second screw as ...

Page 14: ...ng category where the stitch length of the indicator is 3 mm Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Screw in the screw of the control knob in such a way that the spherical surface of the screw 3 bears on the seat of the cam 4 Loosen the screw 5 and turn the control knob in the clockwise direction until the pin 6 of the k...

Page 15: ...ngaging and disengaging with the carrier plate 5 there are in a friction engagement both the cover 1 and also the star 4 namely in the dead centre of the connecting rods 2 and 3 The setting of the change over of clutches is done by tightening or by loosening the nut 13 3 5 3 1 2 Setting the lever of the second step of feeding angle position The lever of the second step 1 must be set in such a way ...

Page 16: ...isdoneatthemomentwhentheclutchdisks 3 donotmove which means when they are at the dead center of their oscillating movement This corresponds to the angle 90 on the handwheel Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Loosenthescrewsoftheindentedpulleyoffeedingandshiftittothe left Set the maximum stitch length Set the angle 90...

Page 17: ...rrected Caution Dangere of injury Switch off the main switch Before starting the setting operation wait until the motor stops Loosen the screw 3 Loosen the screw 4 Loosen or tighten the screw 5 and push simultaneously with finger the feeder 1 downwards until the required height of the teeth X of the wheel feeder is attained Tighten then still the screw 5 by 45 1 8 revolution Tension the tensioner ...

Page 18: ...soastoavoidtheslippageofthesewnmaterial when feeding it Method of setting the height of the top roller Lower by hand the presser bar 3 with the top roller 1 above the wheelfeeder 5 Loosen the screw 4 and set the required value A 0 2 mm Tightenthescrew 4 Setting the force of the top roller 1 Inscrewinginthescrew 2 theforceofthetoprollerisincreasedand inversely 3 6 Feeding mechanism of the top rolle...

Page 19: ...ows Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Loosen the screws 1 of the pulley 2 Set the pulley 2 in such a way that the distance of 5 mm is attained in accordance with the illustration Tighten the screws 1 3 6 4 Setting the tensioning roller The tensioning roller of the indented belt of the top feeding is mounted in a rot...

Page 20: ... a way that it is out of the pulley 4 Remove the pulley 4 Remove the front guard Loosen and unscrew the screw 14 of the holder of the wheel 15 and remove it from the holder 21 Loosen the screws 16 and 17 of the holder 18 Removetheholder 18 togetherwiththeholder 15 andarticulated shaft 13 from the machine Loosen the screws 19 of the pulley 20 Loosen the screw 24 of the ring 25 Hold the pulley 20 an...

Page 21: ... the required value X and tighten the screw 1 Loosen the screw 5 Byshiftingtheholder 2 intheholder 6 setthebottomedgeofthe roller to the edge of the needle operture Tighten the screw 5 3 6 6 3 Setting the gear clearance and in the mounting of the top roller Intheconegearofthedriveofthetoprollerfoot theminimumclearance must be set A too small clearance will increase the friction resistance of the g...

Page 22: ...o be A 12 5 mm Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Place a cube 1 having the height of A 12 5 0 7 mm under the presserfoot Screw in thoroughly downwards the screw 2 Tighten slightly the screw 3 in such a way that the lever 4 turns on the shaft 5 with a certain friction moment Push with the screwdriver on the lever 4 u...

Page 23: ...function of the cam on the winders shaft is interrupted and it moves in the sense of the arrow A fine setting is to be done on an incorporated condition in the machine Using the screw 2 thepositionofthefrictionpartofthepickuplever 1 isadapted In opening the lever the stopping function is accelerated Its inverse function delays it A test is to be done after having inserted the bobbin when passing t...

Page 24: ...lue of the tensioning moment is very sensible to the turning of the nut 5 When setting it it is necessary to proceed very carefully set it up only in emergency cases Check the moment using a torque limiting wrench Caution The clutch guarantees only one mutual position of the hub of the lower shaft 2 and that of the beltwheel 1 Nocheckingaccordingtothegaugemarks isneeded Putting theclutchoutofopera...

Page 25: ...Before starting the setting operation wait until the motor stops The belt is correctly tensioned when the opposite sides of the belt approach one to another by up to 20 mm in applying the force of 10 N The belt is tensioned in turning respectively the motor in its holder 3 11 2 Replacing the V Belt Caution Danger of injury Switch off the main switch before starting the setting operation wait until...

Page 26: ...e machine into operation each mechanism of the machine is to be lubricated with several drops of oil Oil is only refilled thereafter into the oil reservoirs using an oil can into the holes in the oil level indicators The oil tanks 1 2 3 of the central distribution is to be filled up to the mark max 3 13 3 Multiple oil use Oil which runs into the oil cup is collected in the collector 1 and may be r...

Page 27: ...same time t h e shaft 2 up to the stop against the shaft 3 With the holder 1 held on the stop shift the shaft 2 in such a way that there appears the gap A 0 2 to 0 4 mm and tighten the screw 4 Check the gap A in shifting the armature 6 4 3 Setting the cam The position of the cam 1 against the shaft 2 is to be such so that when the adjusting pin is in contact with the shaft 4 the protractor scale o...

Page 28: ...the height of the fixed knife and of the retaining spring of the lower thread The fixed knife 1 and the retaining spring 2 are fixed on the holder 3 This holder is fixed with the screw 4 on the post of the hook 5 In its height the holder 3 is to be set in such a way so that the top surface of the fixed knife 1 is by 1 8 mm below the top surface of the throat plate Caution Danger of injury Switch o...

Page 29: ...eter of the moving trimming knife 4 9 Setting the switching of electromagnets The electromagnets of the trimming device and loosening of the tensioner must work in accordance with the diagram This is ensured bysettingthestopmotor seetheinstructionsforuseofthestopmotor 1 1 position of the needle 135 on the handwheel 2 2 position of the needle 64 on the handwheel 3 position of stopping the tensioner...

Page 30: ...d and in rearward sense If this position is not correct the length of the stitch will be shortened in one or the other feed direction 6 2 Electromagnet height setting Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Set the position of the electromagnet 2 in the upper position of the grooves of the guard 3 Proceed to the mounting ...

Page 31: ...connected Connecting spots 4 backtackingelectromagnet 5 trimmingelectromagnet 6 tensioner loosening electromagnet 7 presser foot lifting electromagnet 8 connector of push button connecting 9 connector of coupling the head with the stopmotor 10 connecting cable of the head and stopmotor Wiring diagram of connecting the electric elements of the machine head 8 Drive control panel position sensor The ...

Page 32: ...thin the extent from the light to medium heavy duty sewing The setting of the machine must be adapted to the sewing parameters including also replacement of some components such as e g needle the throat plate insert For this reason the setting of the machine is divided into 2 categories 1 light sewing 2 medium sewing In the factory where this machine has been manufactured the machine has been set ...

Page 33: ...the retaining spring of the trimming device according to the paragraph 4 8 5 There are in use various types of feeders with the purpose of avoiding imprinting the teeth in the lining leather Otherwise it is possible to use any feeder Setting as per chapter Instructions for service 3 5 3 1 2 3 3 2 3 5 3 2 2 3 6 6 1 3 6 6 2 Instructions manual 6 5 6 4 6 4 Instructions for assembling 2 4 4 5 Standard...