Duerkopp Adler 4280-2 Page 1 Instructions For Service Manual Download

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Instructions for service

4280 - 2

Minerva Boskovice, a.s., Sokolská 60, CZ - 680 17

Boskovice

Tel.: +420-501-453434, 453433, 494111

Fax: +420-501-452165 http://www.minerva-boskovice.com

Edition: 06/2001 Printed in Czech Republic

735 342 000 435

Summary of Contents for 4280-2

Page 1: ...for service 4280 2 Minerva Boskovice a s Sokolsk 60 CZ 680 17 Boskovice Tel 420 501 453434 453433 494111 Fax 420 501 452165 http www minerva boskovice com Edition 06 2001 Printed in Czech Republic 735...

Page 2: ...Setting the rear guide 3 5 Thread tensioners and limiter 10 3 5 1 Description 3 5 2 Setting the tension of the main and auxiliary tensioners 3 5 3 Setting the tensioning mechanism of the main tension...

Page 3: ...25 4 1 Description 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 re...

Page 4: ...e actions of the operator may lead to dangerous situations In industrial sewing machines Minerva attention should be paid to the following still remaining possible sources of injury 1 Moving sewing ne...

Page 5: ...witch Before starting the setting operation wait until the motor stops Loosen both screws 2 By turning the screws 3 and 4 set the required distance A After having set it tighten carefully the screws B...

Page 6: ...driver between the 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 Che...

Page 7: ...ent when the hook point 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...

Page 8: ...a big or a small hook The needle bar holder 4 is mounted through the pin 5 in a rotating way in the arm 6 In its top part the holder is guided by the guide pin 7 The movement for the needle feed is g...

Page 9: ...the main shaft Set the connecting rod pin as follows Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Remove the front guard Loosen...

Page 10: ...e inserts of the throat plates have got the distance of the axes C of the piercing holes by 0 2 mm larger than the stitch width of needles A The space B then will always be smaller than the space D Ca...

Page 11: ...f the left needle at the moment when the needle starts piercing the material and set at the same time the side clearance between the guide and the right hand needle tighten then the screw Check up the...

Page 12: ...he dynamometer 2 as it is shown on the illustration The size of this force differs according to the category of sewing and is indicated in the par 11 2 The tension of the auxiliary tensioner is regula...

Page 13: ...le mechanism immobilizes 3 5 5 Setting the thread limiter The thread limiter is to be set in such a way that when sewing and passing the thread through the most distant point of the hook the spring 2...

Page 14: ...ndwheel 2 and lock it with the screw 5 whichisincludedintheaccessoryofthemachine tightenitcarefully Insert the setting stick 3 into the hole in the eccentric 1 and prop it against the feeding shaft 4...

Page 15: ...to the stop the maximum stitch length valid for the given sewing category and the stitch width is attained The scale on the control knob is to be oriented in such a position that therespectivemaxi mu...

Page 16: ...profiled spring 2 against the cover of the clutch 1 In the position when the wedge is disengaged the star 4 is pushed againsttheplate 5 liningand atthesametime thefriction connection with the cover of...

Page 17: ...at the shifting of the clutches is done at the moment when the clutch disks 3 do not move which means when they are at the dead center of their oscillating movement This corresponds to the angle 90 on...

Page 18: ...ttained butonlytothemeasureofnotdeteriorating the beginning of sewing after the carried out thread trimming With every correction of the teeth height the tension of the chain 2 is to be corrected Caut...

Page 19: ...Tighten the screw 4 Setting the force of the top roller 1 In screwing in the screw 2 the force of the top roller is increased and inversely 3 7 Feeding mechanism of the top roller 3 7 1 Description T...

Page 20: ...thereof is to be done as follows 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...

Page 21: ...h a way that it is possible to remove the indented belt 23 from the arm of the machine Replacethebeltwithanewoneandproceedtotheassembly inverted procedure of dismantling Proceed to the setting operati...

Page 22: ...amely with the diameter of 25 mm and with the diameter of 35 mm The suitability ofthediameteruseddependsonthetypeofsewingandontheconcrete technological operation There are in general valid the followi...

Page 23: ...top roller When replacing the top roller proceed as follows Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Unscrew the screw 1 Un...

Page 24: ...bin the pressing 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...

Page 25: ...ook is blocked but the clutch does not disengage the disengaging moment of the clutch is to be reduced in turning the screws to the left Caution The clutch guarantees only one mutual position of the h...

Page 26: ...the main switch 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...

Page 27: ...3 14 2 Refilling oil For lubricating the machine oil Esso SP NK 10 is used or other oil with the same quality When putting the machine into operation each mechanism of the machine is to be lubricated...

Page 28: ...inst the bracket 5 and at the same time the 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...

Page 29: ...the screw 4 4 6 Setting 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 t...

Page 30: ...crewed in in such a way that the retaining spring gets over the perimeter of the movin trim ming knife 4 9 Setting the switching of electromagnets The electromagnets of the trimming device and looseni...

Page 31: ...uch a way that it enables the maximum stitch length when sewing in forward and in rearward sense If this position is not correct the length of the stitch will be shortened in one or the other feed dir...

Page 32: ...el position sensor The detailed information concerning the drive the control panel and the setting of the position sensor is given in the manual of the drive and of the control panel 9 Lighting 9 1 Mo...

Page 33: ...ewing 2 medium sewing In the factory where this machine has been manufactured it has been set up with respect to the standard parameters of the required stitch width and the required sewing category w...

Page 34: ...s according to the sewing category Standard sewing parameters Seam Thick Number Stitch Label dis ness o f length n u m tance of one material ber of material layers thread layer PES 1 m m m m m m 1 2 0...

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