Duerkopp Adler 4120i-5 Page 1 Instructions For Service Manual Download

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Instructions for service

4120i - 5

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

Boskovice

Tel.: +420-516-453434, 453433, 494111

Fax: +420-516-452165 http://www.minerva-boskovice.com

Edition: 09/2006 Printed in Czech Republic

S735 000726

Summary of Contents for 4120i-5

Page 1: ...s for service 4120i 5 Minerva Boskovice a s Sokolsk 60 CZ 680 17 Boskovice Tel 420 516 453434 453433 494111 Fax 420 516 452165 http www minerva boskovice com Edition 09 2006 Printed in Czech Republic...

Page 2: ...main and auxiliary tensioners 3 4 3 Setting the tensioning mechanisms of the main tensioners 3 4 4 Setting the adapting spring 3 4 5 Setting the thread limiter 3 5 Feeding mechanism of the bootom fee...

Page 3: ...on 23 3 13 1 Description 3 13 2 Refilling oil 3 13 3 Multiple oil use 4 Thread trimming 24 4 1 Description of the trimming mechanism 4 2 Setting the pickup roller 4 3 Setting the cam 4 4 Setting the f...

Page 4: ...may lead to dangerous 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 w...

Page 5: ...ast value still ensuring easy rotation of the shaft 4 with the fixed wheel 3 Tighten both screws 1 Loosen both screws 5 Shift axially the shaft 4 with the hook 6 so as to obtain the required distance...

Page 6: ...crewdriver into the hole of the screw 3 and using the regulating screw set up the required clearance between the needle 2 and the protecting sheet 1 When turning to the right the protecting sheet shif...

Page 7: ...the procedure is inverse 3 1 9 Setting the gear The mutual angular orientation of the gear wheel 1 relative to the gear wheel 2 should ensure the accessibility of the screw 5 at the moment when the h...

Page 8: ...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...

Page 9: ...the main switch Before starting the setting operation wait until the motor stops Loosen the screw 1 of the pin 2 Loosen the screw 3 of the guide pin 4 In shifting the pin 2 set the needle bar holder o...

Page 10: ...setting operation wait until the motor stops Turn the finger 4 in the sense towards the throat plate 1 Place the throat plate 1 onto the post Screw in the screws 7 Mount the throat plate insert 2 Tigh...

Page 11: ...orce of tensioning the thread is measured by the dynamometer 2 as it is shown on the illustration The size of this force differs according to the category and its orientation value is indicated in the...

Page 12: ...d initial position of the adapting spring the screw 7 has been set at the producer s so as to permit the turning movement of the body 6 the screw must not be fully tightened During the installation of...

Page 13: ...ting bar 3 is pushed into the eccentric 1 and leans from above against the feeding shaft 4 Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the moto...

Page 14: ...ate as well Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Using the handwheel set the needle into its top dead centre the feeder...

Page 15: ...g the handwheel at 0 This setting can be done only after having set the top eccentric according to the paragraph 3 5 2 1 Caution Danger of injury Switch off the main switch Before starting the setting...

Page 16: ...and turn the knob in the clockwise direction and inversely Tighten firmly the screws 5 Insert a screwdriver into the hole 8 of the scale 2 and adjust the scale in such a way that the maximum length o...

Page 17: ...s pulled out from its friction engagement with the lining of the carrier disk 5 by means of an elastic washer 11 The disk lining 5 is then pushed by the flat profiled spring 12 against the clutch cove...

Page 18: ...ve which means when it is in a dead centre of its oscillating motion This corresponds to the angler 90 on the handwheel Caution Danger of injury Switch off the main switch Before starting the setting...

Page 19: ...etting 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...

Page 20: ...y 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 24 Loosen the screws 16 and 17 o...

Page 21: ...the groove of the holder 4 set the required value X and tighten the screw 1 Loosen the screw 5 By shifting the holder 2 in the holder 6 set the bottom edge of the roller to the edge of the needle oper...

Page 22: ...ger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Unscrew the screw 1 Unscrew the screw 3 with the washer 2 Remove the driven top roller with th...

Page 23: ...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 24: ...ase and on the contrary The value 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 Chec...

Page 25: ...jury Switch off 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...

Page 26: ...When putting the 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 h...

Page 27: ...e pickup roller 1 up to the stop against 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...

Page 28: ...the screw 6 the lever 7 must be leaning against the stop 8 and the axial clearance of the trimmer shaft must be maintained Loosen the screws 9 of the knife holder 10 In turning the screw 11 set the h...

Page 29: ...g of electromagnets The electromagnets of the trimming device and loosening of the tensioner must work in accordance with the diagram This is ensured by setting the stopmotor see the instructions for...

Page 30: ...th 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 direction 6 2 Electromagnet height setting Caution D...

Page 31: ...electric elements are disconnected Connecting spots 4 backtacking electromagnet 5 trimming electromagnet 6 tensioner loosening electromagnet 7 presser foot lifting electromagnet 8 connector of push b...

Page 32: ...ns within a large extent from the light up to the heavy duty sewing The parameters of the respective sewing operation must be in accordance with the given machine setting which includes also the repla...

Page 33: ...4 7 6 When changing markedly the sewing category together with a marked change of the needle number it is necessary to correct the setting of the distance of the shuttle from the needle according to...

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Duerkopp Adler 4120i-5, Instructions For Service Manual

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