DURKOPP ADLER M-Type 869 Service Instructions Manual Download

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869

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.:

04/2010

Rev. index: 00.0

Printed in Federal Republic of Germany

0791 869641

Summary of Contents for M-Type 869

Page 1: ...17 03 51 D 33703 Bielefeld Potsdamer Stra e 190 D 33719 Bielefeld Telefon 49 0 521 9 25 00 Telefax 49 0 521 9 25 24 35 www duerkopp adler com D GB Ausgabe Edition nderungsindex Teile Nr Part No 04 20...

Page 2: ...ser Inhalte ist ohne vorheriges schriftliches Einverst ndnis der D rkopp Adler AG verboten All rights reserved Property of D rkopp Adler AG and copyrighted Reproduction or publication of the content i...

Page 3: ...rsons 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...

Page 4: ......

Page 5: ...dog for edging work 15 2 3 8 Feed dog height 16 2 4 Transmission lever 17 2 5 Needle bar linkage 18 2 5 1 Aligning needle bar linkage laterally 18 2 5 2 Needle hole in feed direction 19 2 6 Hook loopi...

Page 6: ...height 38 2 14 3 Thread pulling knife 39 2 14 4 Cutter pressure and bobbin thread clamp 40 2 14 5 Cutting position 43 2 15 Potentiometer in the arm 44 2 15 1 Basic setting without control panel 44 2...

Page 7: ...h this it must be noted that different setting positions depend on each other Therefore adjustments must be made in the order described A new perfect needle must be used for all adjustment work on sti...

Page 8: ...ves 2 and 3 in the needle bar crank 4 the sewing machine can be locked in two setting positions Position I 5 mm locking pin for large groove loop stroke needle bar height Position II 3 mm locking pin...

Page 9: ...the graduated figure specified in these instructions on the indicator 3 Set as described Setting the hand wheel Move the machine to position II with the 3 mm locking pin Undo the hand wheel fixing scr...

Page 10: ...s switched off Standard checking The needle bar crank 1 is fixed to the arm shaft with the two screws 2 The screws must be seated on the flat spot 3 Correction Undo screws 2 on the needle bar crank Tu...

Page 11: ...spot 1 The distance between the sprocket belt wheel 2 and the bobbin winder wheel 3 must be 0 8 mm when the bobbin winder is out of action Check the distance between the sprocket belt wheel 2 and the...

Page 12: ...stitch adjuster drive 1 Correction Unhook spring 2 Fix the adjustment wheel 5 with the spanner 3 Remove screw 4 and remove the adjustment wheel 4 Turn the shaft 7 to the right with a 10 mm open ended...

Page 13: ...ting the eccentric The eccentric 2 must be set so that the marking 4 on eccentric 2 points away from the shaft 1 Undo screw 3 Turn eccentric 2 accordingly through hole 5 Tighten screw 3 9 GB 3 4 1 2 1...

Page 14: ...ment when the sewing machine is switched off Turn the top adjustment wheel 1 to 4 Remove screw 2 and remove the adjustment wheel 3 Turn the shaft 5 carefully clockwise with a 10 mm open ended spanner...

Page 15: ...is switched off Adjustment The basic setting is done when the stitch length is set to 0 Correction Set stitch length levers 1 and 2 to 0 Use a screw driver to turn groove 3 on the thrust shaft vertic...

Page 16: ...the left of the throat plate Correction Undo screw 3 Undo screw 4 Undo the grub screws on the stroke eccentric 6 Align the feed dog support 1 laterally Tighten screw 3 Tighten screw 4 Place the strok...

Page 17: ...must not move when the stitch adjuster lever is operated when the stitch is set to its maximum length Setting the longest stitch length Turn the machine to position 5 Move the stitch adjuster lever a...

Page 18: ...andard checking The feed dog should be the same distance from the throat plate at both the front and back dead centre Turn the hand wheel and check the movement of the feed dog Correction Undo the scr...

Page 19: ...jury Turn off the main switch Only switch off the lifting motion of the feed dog when the sewing machine is switched off Remove screws 1 from the stroke eccentric Insert pin 3 on plate 4 order no 0869...

Page 20: ...ure that the material being sewn feeds through properly the feed dog 2 must project 1 00 mm above the throat plate surface when it is at its highest position Turn the hand wheel 180 then the feed dog...

Page 21: ...bar crank Lever 3 must be positioned so that the distance from the surface of the arm 1 to the middle of the bolt 2 is 6 mm at stitch length 0 Set stitch length to 0 Check the measurement between the...

Page 22: ...eedle in the needle hole Correction Undo the screws on the adjustment rings 3 and 4 Set the needle bar crank laterally so that the needle is in the middle of the needle hole Line up adjustment rings 3...

Page 23: ...hould go through the middle of the feed dog needle hole when a stitch length of 0 is set Set stitch length to 0 Fit a new needle Turn the needle bar down with the hand wheel Check the position of the...

Page 24: ...cate top part of the machine in position I 5 mm locking pin in the large groove Set the stitch length adjustment wheel to 0 Check the position of the hook tip in relation to the needle Correction Loca...

Page 25: ...troke setting 202 Check the position of the needle in relation to the hook tip Correction Set the stitch length adjustment wheel to 0 Undo clamping screw 1 Push the needle bar 2 onto the needle 3 Whil...

Page 26: ...n the loop stroke position If the needle is being pushed away the needle guard must be reset accordingly see chapter 2 6 4 Check the distance The distance between the needle 4 and the hook should be n...

Page 27: ...the needle touching the hook tip In the loop stroke position the needle should be pushed away slightly Check the needle guard Correction Turn the machine to the loop stroke position Adjust the needle...

Page 28: ...he underside of the seam Loud noises 2 7 2 Bobbin housing elevator path Caution Danger of injury Turn off the main switch Only check and adjust the bobbin housing elevator when the machine is switched...

Page 29: ...ld by the grub screw 1 and a plastic pressure piece The frictional force can be changed with grub screw 2 when the hook bearing is removed 2 7 3 Elevation time The time of elevation is firmly preset b...

Page 30: ...average sewing foot pressure Set the sewing foot stroke on the adjustment wheel 5 to 3 Unscrew the feed dog Put a plate 3 mm under the sewing feet Turn the hand wheel and compare the strokes of sewing...

Page 31: ...er foot 2 should alight on the feed dog at the maximum sewing foot stroke and a maximum stitch length if with the descending needle 1 the needle point has reached the top edge of the feeder foot 95 on...

Page 32: ...processed must not float However it should not be given any more pressure than necessary Correction Set the sewing foot pressure with screw 1 To increase sewing foot pressure Turn screw 1 clockwise T...

Page 33: ...rew 2 on the stitch length adjustment wheel Take out adjustment wheel 1 Unscrew grub screw 4 and screw it into the corresponding hole The holes have numbers For 6 mm screw in hole 8 For 9 mm screw in...

Page 34: ...verse stitch should be the same Sew a seam forwards Sew a seam in reverse Compare the stitch lengths of the two seams Correction Undo screw 3 Turn the eccentric with a screwdriver through hole 1 Clock...

Page 35: ...er 1 Lower sewing feet Turn the hand wheel until the material pressure foot comes down Move the elevating shaft 6 and check play Correction Place the elevating shaft close by Unscrew the electronic an...

Page 36: ...sewing machine without material or to wind the hook thread The sewing feet 4 locked into the raised position with the hand lever should be 10 mm away from the throat plate Bring both sewing feet to th...

Page 37: ...r by using a knee lever should be 20 mm from the throat plate when the thread lever is at the top dead centre The screw 2 restricts the passage of the ventilation lever 3 Lower sewing feet Turn the ha...

Page 38: ...the thread is fed round the hook in a controlled manner The greatest amount of thread is released at setting 1 as it is required for particularly long stitch lengths and thick sewing threads Open the...

Page 39: ...erial To achieve an even seam at low thread tension the thread take up spring travel can also be increased The thread take up spring must only be at the stop when the needle has penetrated the materia...

Page 40: ...Remove the bobbin winder To do this unscrew the two fixing screws 1 and 5 and remove the bobbin winder Screw in screw 4 until the two side pieces of the bobbin winder flap 3 are parallel to each other...

Page 41: ...ng bracket 14 so that it is next to the locking disc 13 and has 0 5 mm of air axially between it and the bobbin winder wheel 6 Fasten the screw into the engaging bracket Screw the bobbin winder down a...

Page 42: ...he main switch Only check and adjust the thread pulling knife when the machine is switched off Standard checking The thread pulling knife should go past the bobbin 3 at a distance of 0 3 mm Correction...

Page 43: ...read pulling knife should be flush with the edge of the counter blade 2 Check whether the cam is close by Turn the machine until the highest point of the cam 4 is next to the spool 5 80 on the hand wh...

Page 44: ...stitches do not occur at the start of the seam Turn the hand wheel until the thread draw cutter can be swung out Swing the thread draw cutter out by hand Insert two of the threads to be cut into the t...

Page 45: ...ndo screw 4 a little and then screw it in slightly again on the counter cutter Swing the thread draw cutter out until the arrow on the cutter points towards the edge of the counter cutter Undo screw 1...

Page 46: ...To adjust the bobbin thread clamp Unscrew bar 5 Turn screw 6 Clockwise clamping force higher Anti clockwise clamping force lower Screw bar 5 on again 42 5 6...

Page 47: ...en the machine is switched off Standard checking If the machine is at position 58 on the hand wheel the threads must be cut Correction Undo screws on the cam 1 Turn the cam accordingly Do up screws on...

Page 48: ...y set the potentiometer when the sewing machine is switched off Unscrew the arm cover Remove plug 3 of the potentiometer from circuit board 4 Check the resistance on the terminals 2 and 3 of the poten...

Page 49: ...the potentiometer 2 Press down and hold P and switch the main switch on Access the technician level Select parameter F 188 Press E The current speedomat level e g 11 and the relevant speed limit e g 2...

Page 50: ...l and the relevant speed limit are displayed Set the adjusting wheel 1 to lowest stroke height Speedomat level 06 must be displayed on the screen Set the adjusting wheel 1 to maximum stroke height Spe...

Page 51: ...ons to lubricate the special sewing machine Viscosity at 40 C 10 mm s Flash point 150 C DA 10 can be bought at the sales points of D RKOPP ADLER AG under the following parts numbers 200 ml container 9...

Page 52: ...d in the following table for completeness Maintenance work to be carried out Operating hours 8 40 160 500 Upper part of sewing machine Remove sewing dust and loose thread X Check the oil level in the...

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