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838

Spezialnähmaschine

Serviceanleitung

Service Instructions

Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld
T49 (0) 521 / 9 25-00

•

T49 (0) 521 / 9 25 24 35 •

www.duerkopp-adler.com

Ausgabe / Edition:

Änderungsindex

Teile-Nr./Part.-No.:

06/2008

Rev. index: 00.0

Printed in Federal Republic of Germany

0791 838641

Содержание 838

Страница 1: ...h 17 03 51 D 33703 Bielefeld Potsdamer Straße 190 D 33719 Bielefeld Telefon 49 0 521 9 25 00 Telefax 49 0 521 9 25 24 35 www duerkopp adler com Ausgabe Edition Änderungsindex Teile Nr Part No 06 2008 Rev index 00 0 Printed in Federal Republic of Germany 0791 838641 D GB ...

Страница 2: ...eser Inhalte ist ohne vorheriges schriftliches Einverständnis der Dürkopp Adler AG verboten All rights reserved Property of Dürkopp Adler AG and copyrighted Reproduction or publication of the content in any manner even in extracts without prior written permission of Dürkopp Adler AG is prohibited Copyright Dürkopp Adler AG 2008 ...

Страница 3: ...ersons with appropriate training 7 For service or repair work on pneumatic systems disconnect the machine from the compressed air supply system max 7 10 bar Before disconnecting reduce the pressure of the maintenance unit Exceptions to this are only adjustments and functions checks made by appropriately trained technicians 8 Work on the electrical equipment must be carried out only by electricians...

Страница 4: ......

Страница 5: ...eed dog 13 3 Top feed 3 1 Positioning the needle holder for single needle sewing machines 14 3 2 The needle feed 16 3 3 Top roller 18 3 4 Lifting the top roller 19 3 5 Press pad for the double needle sewing machine 20 4 Adjusting the needle bar and the hook 4 1 Hook height 21 4 2 Needle bar height play of needle to hook tip loop stroke 22 4 3 Protection for the hook tip and loop former 23 4 4 Bobb...

Страница 6: ......

Страница 7: ... order Please observe that various setting positions are dependent on each other Thus it is essential that the settings be conducted while keeping to the order described For all adjustments of parts involved in the stitch formation a new undamaged needle must be inserted This text does not specifically mention any machine covers or panels which must be removed or re mounted in order to conduct ins...

Страница 8: ...escribed When the needle bar is at top dead centre the pointer 3 should be aligned with 0 degrees Loosen the handwheel screws with a 3 mm hexagon socket wrench 1 Position the needle bar in the top dead centre position Use the retention pin 3 mm diameter to peg the position 2 Turn the handwheel so that the pointer 3 points to 0 degrees on the rotary scale Tighten the first screw with the wrench 1 T...

Страница 9: ...1 Set the scaling ring 4 with stitch length 0 to align with the circular mark 5 Limit the stitch length according to rule 2 For this screw the retention pin 6 into the proper hole The holes are marked with numbers which indicate the maximum stitch length If a maximum stitch length of 7 mm is required unscrew the screw 6 for 2 5 mm Another end stop is available for this length Put the settings dial...

Страница 10: ...crew 1 and turn the grooved 3 eccentric tappet 2 according to the illustration Fasten with screw 1 Loosen screw 4 on the clamping lever Turn the settings frame 5 so that the shackles 6 are parallel Tighten screw 4 This then fulfils rule 1 The next step is to match up the forwards and reverse stitch lengths Sew ten stitches forwards Press the bartacking lever and then sew ten stitches backwards Rot...

Страница 11: ...ew 1 Loosen screws 2 Screw out the screw on the feed clutch 4 Push the needle 3 into this opening Turn the clutch 4 with your hand until the needle 3 is 5 mm into the hole The rule is then fulfilled Tighten screw 1 Caution Risk of Injury Turn the main switch off Only carry out this lever adjustment when the machine is turned off ATTENTION Danger of breakage With large stitch lengths it is possible...

Страница 12: ...appet 3 so that it is approximately in the position shown in the illustration Now make the fine scale adjustment to the eccentric tappet Continue until you have found the position where the feed lever 1 no longer moves when the bartacking lever is pressed down Tighten screws at eccentric tappet 3 Caution Risk of Injury Turn the main switch off Only carry out this eccentric adjustment when the mach...

Страница 13: ...scale a settings pin inserted into the eccentric tappet should be flush with the ridge on the crankshaft 4 Turn the handwheel so that the pointer indicates 239 Loosen screws 1 Insert a settings pin 2 into the eccentric tappet 3 Position it so that it is flush with the crankshaft ridge Tighten screws 1 9 GB 3 1 2 4 ...

Страница 14: ... 5 until you feel it strike the tightening increases in jumps Push the clutch 6 to the right until the end stop is reached Tighten the screws 4 Verify the adjustment Turn the eccentric tappet with your hand in the other direction The resistance during the rotation of the eccentric tappet should increase significantly when the two dashes are lined up Caution Risk of Injury Turn the main switch off ...

Страница 15: ... Loosen screws 3 Turn the handwheel to position 305 Turn the eccentric tappet in the direction of arrow so that dash 1 is lined up with dash 2 Turn back the eccentric tappet about 2 and move axially on the shaft until the middle is between the limit settings Align the two dashes 1 and 2 again Tighten the screws 3 Caution Risk of Injury Turn the main switch off Only carry out this adjustment when t...

Страница 16: ...ational direction B of the belt pulley 1 corresponds to the direction specified in the table Do the same for 276 degrees If the rotational directions do not correspond to those specified in the table correct the necessary settings If the clutch switches over too soon on a smaller angle tentatively loosen the adjusting nut 5 see chapter 2 6 and repeat the check Continue loosening until you locate t...

Страница 17: ...roat plate must be appropriate for the thickness and toughness of the material 2 In its highest position A the feed dog should be 1 mm over the throat plate insert Loosen screw 1 According to the above rule lower or raise the feed dog Then re tighten screw 1 13 GB A 1 2 ...

Страница 18: ...arity of the needle holder Needle width Nm 120 160 180 200 Loosen screw 1 Turn the needle bar with the right grooved edge 2 on the needle bar axis in the sewing direction Tighten screw 1 Move the needle bar into the top dead centre point Use the 2 5 mm hexagon socket wrench 4 to loosen the needle holder screw in the hole 3 Turn the needle holder 5 according to the rule above Tighten the screw 1 14...

Страница 19: ...For your notes 15 GB ...

Страница 20: ...ft to the middle of the stitch hole 2 2 for the double needle machine it should be set so the needle stands symmetric to the middle of the stitch hole 3 The transport motion of the needle should be set as follows at the maximum stitch length the needle leaves the throat plate very near the back edge of the stitch hole Loosen screws 1 and adjust the needle bar to the dimension B 31mm as show in the...

Страница 21: ... Loosen screw 2 and the two screws 3 Move the post bed feed 4 so that either rule 2 1 is met A 0 1 mm according to Figure 1 or rule 2 2 according to Figure 2 17 GB 3 Abb 1 Abb 2 A 2 4 ...

Страница 22: ...ler should be set so that the lower edge of the top roller is aligned with the left edge of the stitch hole 8 Loosen screws 1 Push the presser foot bar perpendicularly according to rule 1 Insert the cross head screwdriver 2 included with the accessories into the hole on the top roller holder 3 Turn the presser foot bar 4 with top roller holder 3 until the screwdriver is at a right angle to the mac...

Страница 23: ...osition shown At the same time screw in the screw 3 until it hits the lever 4 The lever 2 remains in the position shown Position the spacer 5 6 mm below the top roller Move the hand lever 5 to the end stop as shown in the illustration Tighten the screws 1 Rule 1 has been fulfilled Using screw 3 set the ventilation cylinder lift for the pneumatic cylinder according to rule 2 The set value is also v...

Страница 24: ...he holder 2 with the rear press pad 3 vertically until it rests gently on the leather Tighten screws 1 gently Loosen screw 4 and do the same for the front press pad 5 Remove the leather Rule 1 has been fulfilled Adjust the press pad according to rule 2 Adjust the rear press pad 3 in the sewing direction by means of screw 6 and laterally by turning the holder 2 Adjust the front press pad in the sew...

Страница 25: ...screws 2 Adjust the hook to the clearance A Retighten screws 2 Push the ring 3 until it reaches the end stop on the hook bottom Tighten screw 1 This means that the height adjustment is no longer required when replacing the hook Caution Risk of Injury Turn the main switch off Adjust the hook only when the machine is turned off 21 GB A 3 1 2 ...

Страница 26: ...osition 2 5 mm with the indicator pointing to 205 Loosen screws 1 Turn the hook tip 2 on the needle axis Loosen screw 3 Position the needle bar with the needle to the dimension A Tighten screw 3 Loosen two screws 4 and screw 5 Move the hook column 6 from the needle Tighten screws 4 gently With the help of screw 7 move the hook column 6 to the clearance distance B Tighten screws 4 and 5 Verify that...

Страница 27: ...he loop former 1 to clearance A according to rule 1 Position the hook tip 4 to the needle Use a 3 mm hexagon socket wrench to move the regulator screw 2 for the guard plate 3 Adjust it so that the needle does not touch the hook tip 4 Check Put gentle pressure on the needle refer to arrow thus turning the hook The adjustment in not incorrect if the guard plate 3 pushes on the needle slightly Cautio...

Страница 28: ... 0 8 mm Insert the retention pin 1 in the lifting cam 2 This is at the rear for the right hook column and at the front for the left hook column Remove the lower plug Loosen screw 3 Adjust the handwheel according to rule 1 Tighten screw 3 Turn the handwheel so the indicator points to 312 Remove the plug Loosen screw 4 Turn the bobbin house lift 5 so that the available clearance distance A complies ...

Страница 29: ...just the height of the lubricator 2 to the clearance distance A according to rule 1 Tighten screw 1 Screw in the screw 3 according to rule 2 Turn the screw 3 in deeper if you need to reduce the hook lubrication You can screw it in a maximum of 0 5 mm under the level of the lubricator 2 Caution Risk of Injury Turn the main switch off Adjust the lubrication only when the machine is turned off 25 GB ...

Страница 30: ...read regulator 1 to number 4 according to rule 1 Tighten screw 2 Loosen screw 3 Turn stop sleeve 4 in the direction of arrow until the thread take up lever 5 is separated from the body 6 Turn the stop sleeve 4 in the opposite direction as the arrow Turn until the thread take up lever touches the body 6 Turn both parts 4 and 6 together until the clearance distance A is reached Hold the body 6 tight...

Страница 31: ... the belt pulley using screws 1 Push the belt pulley to the right so that both screws 1 are accessible Loosen screws 1 Adjust the clearance A according to rule 1 Tighten screws 1 You can determine the fill level of the bobbin winder by adjusting the screw 2 Screw in the screw 2 for 1 to 2 mm Put a bobbin on the bobbin shaft and wind Check the fill level as soon as the bobbin winder turns off If ne...

Страница 32: ...ghten screw 2 located on the surface of the shaft Tighten screw 3 until the distance A 0 2 mm is reached Rule 1 is then fulfilled Tighten screw 2 and then screw 1 Remove the post bed protective cover Loosen screws 7 and 4 Adjust the distance B 0 3 to 0 5 mm according to rule 2 Gently tighten screw 4 Turn the handwheel so that the pointer indicates 270 Use your hand to turn the thread take up knife...

Страница 33: ...rlap the blade of the counter knife 4 by 0 5 to 1 mm Check that the control cam 2 abuts on the circlip 5 Position the control cam according to the rule Loosen screws 6 Adjust the thread take up knife 3 according to the rule Tighten screws 6 Caution Risk of Injury Turn the main switch off Only adjust the thread trimmer when the machine is turned off 29 GB 2 5 1 4 3 6 ...

Страница 34: ... equal to 0 05 to 0 1 mm according to rule 1 Loosen two screws 4 Turn the handwheel so that the pointer indicates 40 to 45 on the scale Use your hand to adjust the thread take up knife 5 so that the blade on the thread take up knife overlaps the blade on the counter knife Push the control cam 1 to the left while simultaneously turning it in the machine s rotational direction Turn until the roller ...

Страница 35: ...spect the thread according the illustration Check if the thread is being pulled out of the bobbin winder or from the clamping 1 Using screw 3 control and adjust the spring pressure 1 until the rule is fulfilled Caution Risk of Injury Turn the main switch off Only adjust the clamping spring when the machine is turned off CAUTION Sewing problems can result when the clamping spring is improperly adju...

Страница 36: ...7 Electronic control and machine drive positioning drive A detailed manual for the positioning drive is enclosed with the machine also refer to www efka net 32 ...

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