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Duerkopp Adler 1183i-7, Инструкция по эксплуатации, Страница: 4 / 35

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1

1. General safety instructions

The  non-observance  of  the  following  safety  instructions  can  cause  bodily  injuries  or  damages  to  the  machine.

1. The machine must only be commissioned in full knowledge of the instruction book and operated by persons with appropriate

training.

2. Before  putting  into  service  also  read  the  safety  rules  and  instructions  of  the  motor  supplier.

3. 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.

4. When  gauge  parts  are  exchanged  (e.g.  needle,  top  roller,  needle  plate,  feed  dog  and  bobbin)  when  treading,  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.

5. Daily  servicing  work  must  be  carried  out  only  by  appropriately  trained  persons.

6. Repairs,  conversion  and  special  maintenance  work  must  only  be  carried  out  by  technicians  or  persons  with  appropriate

training.

7. For service or repair work on pneumatic systems the machine must be disconnected from the compressed air supply system.

Exceptions  to  this  are  only  adjustments  and  function  checks  made  by  appropriately  trained  technicians.

8. Work  on  the  electrical  equipment  must  be  carried  out  only  by  electricians  or  appropriately  trained  persons.

9. Work  on  parts  and  systems  under  electric  current  is  not  permitted,  except  as  specified  in  regulations  DIN  VDE  0105.

10. Conversions  or  changes  to  the  machine  must  be  authorized  by  us  and  made  only  in  adherence  to  all  safety  regulations.

11. For  repairs,  only  replacement  parts  approved  by  us  must  be  used.
12. Commissioning  of  the  sewing  head  is  prohibited  until  such  time  as  the  entire  sewing  unit  is  found  to  comply  with  EC

directives.

It  is  absolutely  necessary  to  respect  the  safety  instructions  marked  by  these  signs.

Danger  of  bodily  injuries  !

Please  note  also  the  general  safety  instructions.

IMPORTANT    WARNING

In  spite  of  all  safety  measures  made  on  the  machines,  inappropriate  actions  of  the  operator  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  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  inadvertently  or  intentionally  inserting  the  finger(s)  between  the  thread  take-up  lever  and  its  guard.

3. Moving  pressure  member

- risk  of  injury  when  holding  sewn  work  in  immediate  vicinity  of  the  pressure  member  and  beginning  to  insert  under  the

pressure  member  a  considerably  thicker  sewn  work  portion,

- risk  of  injury  when  sinking  the  pressure  member.

4. Moving  trimming  knife

- danger  of  injury  when  sewing  and  trimming  with  lifted    presser  element  (roller,  foot),  because  the  finger  guard  is  high

- risk  of  injury  when  sinking  the  pressure  member.

5. When  switched  off,  the  clutch  motor  slows  down  by  inertia  but  would  be  reactivated  by  an  accidental  treading  down  of  the

motor  treadle.  To  avoid  such  risk,  it  is  advised  to  hold  the  handwheel  by  hand  and  slightly  to  depress  the  motor  treadle.

2. Introduction

This  service  book  contains  instruction  for  regulating  the  mechanisms  of  the  sewing  machine  head.
The  instructions  for  use  and  for  putting  the  machine  into  operation  and  for  the  control  of  the  stopmotor  are  not  included  in  this

service  book,  but  they  are  supplied  as  separate  publications.
This  service  book  is  universal  for  all  subclasses  of  the  machine  -  it  contains  setting  procedures  for  all  elements  which  may  be

placed  on  the  machine  of  the  given  class.  When  the  supplied  subclass  of  this  machine  does  not  include  some  element,  then  it  is

possible  to  leave  out  the  respective  parts  of  the  instructions.  The  optional  equipments  of  the  machine  and  the  respective

configurations  of  the  subclasses  of  the  machine  are  given  in  the  operating  instructions.
This sewing machine disposes of a large extent of its use. The machine should be set with respect to the parameters of the sewn

material,  the  sewing  thread  etc.  The  setting  for  the  individual  categories  is  given  in  the  chapter  11.2.
For  setting  the  machine,  simple  setting  aids  are  used  which  are  included  in  the  accessory  of  the  machine.  Besides  these  aids,

universal  measuring  devices  are  used,  such  as  slide  calliper,  feeler  gauges  and  dynamometer  for  measuring  the  thread  tension.

Содержание 1183i-7

Страница 1: ...s for service 1183i 7 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 2004 Printed in Czech Republic S735 000652 ...

Страница 2: ...r 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 Forward and rearward stitch length distribution fine 3 5 2 4 Setting of the control knob including the stitch length limitation 3 5 3 Lower fee...

Страница 3: ...ting of the knife side position against the cutting edge of the throat plate insert 5 3 1 Setting of the lateral knife position to the sides 5 3 1 1 Fine adjustment of the knife when replacing the used insert by a new one with the same trimming distance 5 3 1 2 Setting of the knife when using an insert with different trimming distance 5 3 2 Setting of the knife angle with regard to the throat plat...

Страница 4: ...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 inadvertently or intentionally inserting the finger s between the thread take u...

Страница 5: ...h screws 2 By turning the screws 3 and 4 set the required distance A After having set it tighten carefully the screws For setting up use the setting gauge 7 as per the repective figure 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 Tighten carefully the screws 2 Caution One of these sc...

Страница 6: ...rew 3 Put the screwdriver 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 shifts out from the groowe and inversely 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 p...

Страница 7: ...he accessibility of the screw 5 at the moment 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 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 2O5 on t...

Страница 8: ...holder 4 The connecting rod 10 of the needle 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...

Страница 9: ...older in the direction of sewing When shifting out the needle from the throat plate insert at the moment when the needle eye is at the level of the top surface of the throat plate insert 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 the setting operation wait until the motor stops Shift t...

Страница 10: ... mounting the throat plate 1 the finger 2 must engage into the recess 3 To remove the throat plate insert 4 screw out the screw 5 take out the washer 7 loosen the screw 8 and remove the inlay 4 by oblique upward movement shown by the arrow Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Turn the finger 2 in the sense towards the ...

Страница 11: ...force 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 par 11 2 The tension of the auxiliary tensioner is regulated using the nut 3 It should be the least possible but sufficient for unthreading the thread from the sewn material when removing the sewn m...

Страница 12: ...ed 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 the mechanism into the machine arm take care of the axial adjustment of the mechanism Retighten the screw 2 and check the adjustment Loosen the nut 8 of the mechanism insert a screwdriver into the n...

Страница 13: ...nsert 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 well Turn the feeding shaft 4 back into the position for s...

Страница 14: ...when turning it in counterclockwise sense up to the stop the maximum stitch length valid for the given sewing category is attained cat cat 2 and 3 5 mm The scale of the control knob is to be oriented in such a position so that the scale end corresponds to the maximum stitch length Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops S...

Страница 15: ...ed Within a short instant when engaging 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 s...

Страница 16: ...e 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 the handwheel Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Loosen the screws of the indented pulley of feeding and shift it to the l...

Страница 17: ...ting see par 11 2 setting of the machine feeder pitch of the teeth Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Unscrew the screws 1 and remove the throat plate 2 Unscrew the screw 3 and pull out the feeder 4 with the guide 5 Replace the feeder 4 Insert the feeder with the guide into the groove and screw the screw 3 in Mount t...

Страница 18: ...belt passes through the centre of the passing hole in the bedplate The setting operation 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 Loosen the screw 3 of the tensioning roller 4 Set the pulley 2 in such a way that the belt 5 passes through the centre of the passing...

Страница 19: ...ch off the main switch Before starting the setting operation wait until the motor stops Loosen the screw 1 of the tensioning roller 2 and loosen it Loosen the screws 3 of the pulley 4 and shift it to the left in such a way that the screws 5 and 6 of the feeding clutch 7 are accessible Loosen the screws 5 and 6 Loosen the screws 8 of the axial ring 9 Loosen the screw 10 of the clutch 11 Push the sh...

Страница 20: ...3 in 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 operture Tighten the screw 5 3 6 6 3 Setting the gear clearance and in the mounting of the top roller In the cone gear of the drive of the top roller foot the minimum clearance must be set A too smal...

Страница 21: ...lectromagnet is to 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 presser foot 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 screwdrive...

Страница 22: ...bbin 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 2 the position of the friction part of the pickup lever 1 is adapted In opening the lever the stopping function is accelerated Its inverse function delays it A test is to be done after having insert...

Страница 23: ...ease 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 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 belt wheel 1 No checking according to the gauge mark...

Страница 24: ...Caution Danger of injury 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 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 swi...

Страница 25: ...P NK 10 DA 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 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 and 6 of the oil distribution are to be filled up to the mark 3 13 3 Multiple oil use Oil which...

Страница 26: ... 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 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 wi...

Страница 27: ...ury Switch off the main switch Before starting the setting operation wait until the motor stops Loosen the screws 4 and 5 Turn the moving trimming knife 1 in the sense of the arrow and set it in height Tighten the screw 5 Turn the moving trimming knife 1 into its starting position in such a way that the measure A 0 1 to 0 5 mm is attained Tighten the screw 4 4 6 Setting the fixed knife The fixed t...

Страница 28: ...inst the moving trimmer knife with a pre load corresponding to the force required to draw the thread out of the spring The pulling force is tested using a screwdriver according to the illustration Caution The setting of the retaining spring 1 depends on the setting of the hook thread tension and differs then according to the respective sewing category 4 8 Setting the switching of electromagnets Th...

Страница 29: ...op screw The stop screw 10 is to be duly screwed in but in such a way so that there occurs no spontaneous trimming device switching off Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Remove the trimming device guard Screw in duly the screw 10 but in such a way so that the trimming device when being switched on could not be switc...

Страница 30: ...th care the trimming device When the knife approaches slightly the edge of the throat plate insert go ahead further when this runs with difficulty or when the knife bends repeat anew the previous proce dure Disengage the trimming device Switch on the machine Engage with care the trimming device Caution Danger of accieent With the trimming device engaged do not put your fingers under the trimming k...

Страница 31: ...switched on prior to its contact with the trimmed material of the maximum thickness of 6 mm when the knife is in the bottom dead center of its oscillating movement Caution Danger of injury Switch off the main switch Before starting the setting operation wait until the motor stops Remove the trimming device guard Loosen the screws 1 Shift the microswitch 2 in such a way so that the trimming device ...

Страница 32: ...m 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 direction 7 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...

Страница 33: ...n 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 9 Drive control panel position sensor For machines provided with an vertical trimming device and with the EFKA stop motor DA82GA 6F82FA and DA320 the connector outlet A28 used for needle cooling as a standard for contr...

Страница 34: ...es medium and medium heavy duty sewing The parameters of the respective sewing operation must be in accordance with the given machine setting which includes also the replacement of some components such as the needle the throat plate insert For this reason the setting of the machine is divided into 2 categories 2 medium sewing 3 medium heavy duty sewing In the factory where this machine has been ma...

Страница 35: ...uses material wrinkling 4 The splice with the so called spur may be used with the sewing category 200 and is designed for sewing thin materials In the production factory the gib without spur is mounted as standard When using the gib with the so called spur we recommend carrying out the setting of the pin of the thread mechanism par 3 2 4 for the sewing category 300 Standard sewing parameters Thick...

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