Bedienungsanleitung Operating instructions Manuel d
Contents
1. Daily maintenance work must only be carried out by appropriately trained persons Repairs and special maintenance work must only be carried out by specialist staff or by appropriately trained persons Work on electrical equipment must only be carried out by specialist staffs who are qualified for this type of work Work on live parts and devices is not permitted except as specified in regulations EN 50110 Conversions or changes to the machine must only be made taking into account all applicable safety regulations For repairs only spare parts approved by us must be used We must expressly point out that spare parts and accessories not supplied by us are also not checked and approved by us As a result fitting and or use of such products can adversely modify the specified design characteristics of the machine We accept no liability for damage caused by the use of non original parts safety symbols Danger spot Items requiring special attention Danger of injury to operators or specialist staff Attention Never work without finger guards and protective devices Switch off main switch before threading changing needles cleaning etc Items requiring the Operator s special attention These operating instructions form part of the machine and must be available for operators at all times The operating instructions must be read before the initial commissioning Operators and specialist staff must be given instruction on th2. Li 20 Abb 4 a E iefer A weniger tief we tie S RRA e Setting the stitch depth of the left hand plunger rib shaft The left hand plunger rib shaft OD is responsible for penetration of the outside of the hem and so must be adjusted with particular care Penetration shallower deeper For design related reasons the right hand plunger rib shaft depends on the setting of the left hand plunger rib shaft That is why the left hand plunger rib shaft is adjusted first e Setting the stitch depth of the right hand plunger rib shaft The right hand plunger rib shaft is responsible for penetration of the inside of the hem Penetration shallower deeper MAIER Setting the cloth retainers for classes 251 261 271 281 252 352 lowering over cross seams A For setting the cloth retainers the cloth is inserted in the machine as for sewing not on the cross seam Cloth retainer A the left hand cloth retainer on classes 251 261 271 and 252 352 is adjusted with the knurled screw B such that with a single layer of cloth when the needle pierces the cloth the shoe can still move slightly if you press your finger on the knurled screw The right hand cloth retainer on class 252 352 is adjusted in the same way but with a triple layer of cloth folded in an S shape When sewing over the cross seam the cloth retainers press the plunger rib shaft down so that with the correct sett
3. accept liability for transport within the customer s place of business or to the individual sites of use It must be ensured that the machines are only transported upright Disposal of the packaging The packaging of this machine consists of paper cardboard polystyrene wooden pallet and VCE fleece Correct disposal of the packaging is the customer s responsibility Storage The machine can be stored when not in use It must then be protected from dirt dust and damp For long term storage of the machine the individual components particularly their sliding surfaces must be protected against corrosion e g by means of an oil film Installation and initial commissioning A A The machine must only be installed and commissioned by specialist staff All applicable safety regulations must be strictly complied with here If the machine was delivered without table the stand and table top provided must safely support the weight of the machine and motor Adequate rigidity of the pedestal must be ensured including during sewing operation Suitable electrical and pneumatic supply connections as described in the Technical data section must be available at the installation location In addition there must be a level solid base and adequate lighting at the installation location Care of the machine 8 AN Switch off the machine MAIER Risk of injury due to the machine being started again inadvertently Oil holes ma
4. eyelet A and the groove of the thread clamp B through the hole in the base plate to the front thread eyelet Push back the flexible cap B to do this As a result the thread is clamped during the cutting operation e There must be approx 0 2 mm play between the nuts and the angle flange so that the connection pin D together with the brake cap B can be turned or moved easily Also connecting rod E must not bind VMAIER Ve Blind stitch hems on the hem edge Inserting the cloth and sewing The needle must be in its extreme left hand position when inserting the cloth Press down on the treadle or knee lift lever then insert the cloth so that the hem fold is positioned on the right hand side and is far enough under the feed dog for the feed dog to grip it Usually the blind stitch hems are sewn on the hem edge as shown in Fig 5 The function of the guide rule B here is to guide the cloth The edge of the hem C slides along the guide rule The guide rule B is adjustable It is moved to the left for thick cloth and to the right for thin cloth Only tighten bolt D Fig 6 slightly The guide rule is correctly adjusted when the seam coincides exactly with the hem edge C During sewing you must always ensure that the hem edge C slides along the guide rule B Only then can it be guaranteed that the seam is exactly on the hem edge Blind stitch hems on the cloth tuck 16 If the blind seam must be sewn on the hem tuck the
5. for models 240 241 251 252 261 281 352 with sub class 46 2 1060 Normalplatte Resopal belegt Worderkante P VMAIER Operation Threading Switch off the machine Risk of injury due to the machine being started again inadvertently Machine without thread cutter Fig 1 e The thread is run over the thread stand through the thread guide A the rear thread eyelet between the thread tensioning discs C not round the pin through the front thread eyelets D right hand hole and through the hole on the needle claw E e The needle is threaded upwards from below Move the needle lever to the extreme left position for threading e The thread eyelet D offers three possibilities for threading In conjunction with the thread take up cam the tension of the sewn thread loop can be influenced in this way Normally the thread is run through the right hand hole However running the thread through the left hand hole gives a slacker thread loop The effect can be increased further by turning the thread take up cam set collar e Adjust the thread tension C as slack as possible Excessive thread tension can cause marks thread pulls on the outside of the material Please use the correct thread quality e g 120 single 120 double 200 double Machine with thread cutter Fig 2 e When using our thread cutter Fig 2 the machine is threaded in the same way as shown in Fig 1 In addition however the thread is also run through
6. front guide rule E Fig 6 is used instead of the guide rule integrated in the stitch plate Fig 5 It is fitted with bolt D Fig 6 lt is essential that guide rule B is then removed The front guide rule E then acts as a guidance aid for the hem edge C and so ensures a uniform distance to the seam F Attention The front guide rule E can also be used to advantage for hemming at the hem edge of very thick material Classes 252 352 work exclusively with the front guide rule When sewing is complete stop the machine in such a position if necessary turn the hand wheel further by hand that the needle is in the farthest left position press down the treadle or knee lift lever then cut off the thread loop with scissors or pull the cloth back with a short tug so that the thread tears off over the looper and so knots the seam The last stitch must be located inside the cloth as a blind stitch sewing machine does not loop MAIER When using a stop motor with frame drop device and thread cutter then simply by stepping back off the treadle the needle is automatically positioned the thread cut off and the frame opened for removal of the material If thread pulls are visible on the outside of the cloth after sewing or if the seam is too loose at the hem edge the thread tension must be set slacker or tighter accordingly With delicate materials jersey fabrics etc sew with the lowest possible thread tension possibly use a fi
7. injury due to the machine being started again inadvertently The feed dog must be adjusted such that in its lowest position it projects approx 2 mm at least tooth depth beyond the underside of the stitch plate In addition it should be placed as far forward as possible in the stitch plate cut out If necessary the feed dog can be adjusted in its elongated hole by slackening the fixing screws Please make sure that these screws are firmly retightened afterwards 31 Sewing faults and how to remedy them Fault Cause LBemegdy S A IN Needle worn out Change needle seepage 16 Looperwronglyadjusted____________kseepage2B Needle stroke wrongly adjusted seepage 16 a Sharp edge in looper stitch plate or feed Polish the part dog ll E Needle breaks Needle not fitted correctly see page 16 Wrong needle system Check needle system see page 16 Looper wrongly adjusted see page 25 Plunger rib shaft timing incorrect Adjust plunger rib shaft see page 28 ll E Missing Needle bent or blunt Change needle see page 16 stitches i Looper wrongly adjusted see page25 Wrongneedle system Nelele system seepage 16 Needle stroke wrongly adjusted seepage 16 Needle support plates wornout_________ Replace needle support plates si Stitch plate wrongly adjusted Check adjust if necessary see page 23 Stitchplatesetincorrecty JL et stitch plate see page 23 Thread
8. screw The needle centres itself as it has a flat shank Important make sure that you use the correct needle system System 251 EU System 251 LG System 251 Classes 220 221 240 241 251 271 352 Classes 251 25 252 261 Classes 221 19 2 and 221 19 4 Normal needle size 80 size 70 or 60 for thin cloth size 90 for thick cloth Checking the needle motion A 22 Switch off the machine Risk of injury due to the machine being started again inadvertently 5 Dak te ws Sib ye S 0 ca 1 10 mm Nua The accuracy of the needle motion must be checked each time before fitting a new needle and before the starting up of the machine To do this turn the machine by hand Here the needle should slide on the needle plate A with no clearance until stitching the cloth but it must not be lifted by it either When the needle is at the farthest right position B the play between needle and stitch plate should be approx 1 10 mm If these requirements are not met try fitting another needle If no needle is suitable check that you are using the correct needle system It may be necessary to readjust the stitch plate MAIER Skip stitch device MAIER Class 221 241 251 261 271 machines are equipped with a skip stitch device When sewing thin cloths this enables the top layer of cloth to be pierced with only every second 1 2 or every third 1 3 stitch The plunger rib shaft either moves beyond the needle or stop
9. tddi ee 29 acia EE 29 PVE VO SNC UN eege 29 a e E EE E E EEA E AE SE Ee 30 Setting the plunger rib shaft tiMiNQ ccccccccoccnnncnnnccconononnnonnnononononcconnnonononnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnns 30 Plunger rib shaft skip stitch timing E 30 A eE 31 Sewing faults and how to remedy Theme 32 o EE 33 Technical Gala ia eee eo eee ota 34 S VMAIER GB Herstellererklarung Im Sinne der EG Maschinenrichtlinie 89 392 EWG Anhang II B Hiermit erklaren wir dass die Bauart der MAIER Blindstichnahmaschine Nahmaschinenoberteil Klasse und Seriennr siehe Typenschild zum Einbau in eine Naheinheit oder Nahanlage bestimmt ist und dass thre Inbetriebnahme solange untersagt ist bis festgestellt wurde dass die Naheinheit oder Nahanlage in die dieses Nahmaschinenoberteil eingebaut werden soll den Bestimmungen der EG Maschinenrichtlinie entspricht Angewendete harmonisierte Normen insbesondere EN 292 1 EN 292 2 EN 60204 3 1 Manufacturer s Declaration In accordance with the EC Machinery Directive 89 392 EC Annex II B We hereby declare that the MAIER Blindstitch Sewing Machine sewing machine head Class and Serial No see rating plate must be incorporated into a sewing unit or sewing system and that it must not be put into service until the sewing unit or Sewing system into which this sewing machine is to be incorporated has been declared in conformity with the provisions of the EC Machinery Directive Appl
10. 1 as po 240114 10 SS 5 mm wide round Suitable for classes 221 240 241 Normal slot Narrow slot Wide slot Suitable for classes 251 261 250114 Normal slot ss 20113 O PENES E BS In addition a useful aid is available for exchanging the table spring the lever for mounting the table spring Order No V241102 Technical data Class Class Class Class Class 220 221 240 252 352 261 221 19 2 221 241 251 271 19 4 effective V belt width 10mm 10 mm 10 mm 10 mm 10 mm effective diameter If a very accurate stitch penetration is required it is advisable to run the machine at reduced speed and to select a V belt pulley approx 20 smaller approx 2500 rpm with a 106 mm diameter motor shaft V belt pulley approx 2300 rpm with a 100 mm diameter motor shaft V belt pulley approx 1800 rom with an 86 mm diameter motor shaft V belt pulley a MAIER
11. 10 E mail mail maier unitas de Internet www maier unitas de MAIER General notes Directives A The machine has been built in accordance with the European regulations stated in the manufacturer s declaration and conformity declaration In addition to these operating instructions you must take account of all generally applicable statutory and other regulations and other statutory provisions including those of the Operator s country as well as the applicable environmental protection regulations The locally applicable regulations of the trade association or other supervisory body must always be observed Safety notes MAIER The machine must only be operated in full knowledge of the associated operating instructions and must only be operated by persons with appropriate training Always read the safety notes and the motor manufacturer s operating instructions before commissioning the machine The hazard and safety warnings fitted on the machine must be observed The machine must only be used for the purpose intended and must not be operated without the associated safety devices All applicable safety regulations must be observed when operating the machine When sewing gauge parts such as needle stitch plate for example are exchanged during threading when leaving the workplace and during maintenance work the machine must be isolated from the mains supply by switching off the main switch or pulling out the mains plug
12. ER Blindstichnahmaschine Klasse und Seriennr siehe Typenschild folgenden einschl gigen Bestimmungen entspricht EG Maschinenrichtlinie 89 392 EWG zuletzt ge ndert durch 93 44 EWG Anhang Nr 1 EG Niederspannungsrichtlinie 73 23 EWG EG Funktionsst rungsrichtlinie 87 308 EWG Angewendete harmonisierte Normen insbesondere EN 292 1 EN 292 2 EN 60204 3 1 EC Conformity Declaration In accordance with the EC Machinery Directive 89 392 EC Annex Il A We hereby declare that the sewing unit or sewing system MAIER Blindstitch Sewing Machine Class and Serial No see rating plate complete with sewing stand and motor see rating plate complies with the following applicable regulations EC Machinery Directive 89 392 EEC last amended by 93 44 EEC Annex No 1 EC Low Voltage Directive 73 23 EEC EC Radio Frequency Interference Directive 87 308 EEC Applied harmonised standards in particular EN 292 1 EN 292 2 EN 60204 3 1 Declaration de Conformite CE au sens de la directive CE sur les machines 89 392 CEE annexe II A Nous d clarons la conformit de l unit ou l installation de couture MAIER Machine a coudre a points invisibles Classe et no de s rie voir plaque equip de table a coudre et moteur voir plaque aux prescriptions correspondentes ci apres directive CE sur les machines 89 392 CEE derni re actualisation effectu par 93 44 CEE annexe no 1 directive CE sur la basse tension 73 23 CEE directive CE sur
13. MAIER Bedienungsanleitung Operating instructions Manuel d instructions Instrucciones de servicio 220 221 240 241 251 261 2 1 281 252 352 Contents Index GB Manufacturer s Decaraton ccc cece cece eee eee een eee ne een Eee EEE EEE rra 3 TMS Ba e 5 A E o E o e o REO 5 EE 5 A e Ae 6 Items requiring the Operator s special attention cccoonnccnccconnncnncononncnnnonnnnnnnonnonnnnnnononnnnnnnnnnnnnnnonnnnnnnnonannnnnnss 6 Operators and ET EE EE 7 A 7 Ser EE 7 Hazata WANING EE 8 Transport packaging and etorage ona rnnn nora rnnnnnnnnnnnnnnnnnrrnrnrnnnrnnnrrnnnrrnninnannnss 8 Installation and initial commissioning seesnenennennnnenrnnesrrnrsrrresrrresrrrrsrrrrrrrrstrrrstrttsnrttttrtsttrnnn trn ntrnerrrnnn nren n reen 8 Gate 01 Me MA le sen T E T a T 8 Disposal of the machine E 9 Assembly ofthe IMAGINING EE 10 installation INSIrUCtONS ace pases action cito er a esaer eese Eaei Eea aE EE srep EOE ENSF 10 Mounting instructions for the mini motor 46 attachment kt 11 Classes 221 241 251 261 27 1 E 11 SE 11 Automatic frame drop device nn rnn nn n nn nn rn nn nn nnnnnnnnrrnnnnnnnrnnnnrnrrrnnnrnnnnrnnanens 12 A 12 Sewing machine TADISTO PS ii oasis 13 o EE 15 TIE OM ele ae A 15 Machine without thread cutter Fig 1 15 Machine with thread cutter FIGs 2 EE 15 Inserting the cloth and SOWING DEE 16 Blind stitch hems on the hem edge cccoooocnnnccccnccnncccnoccnncnnnncconnnnnnnconnnonnncnnnnnnnnnnnnnr
14. Remove blanking plug 240236 slacken set collar 240203 and remove shaft 221204 e Push the new shaft into the machine body The shaft should protrude 10 mm beyond the machine body Tighten bolt 240205 on the flat fit set collar 240203 and fit blanking plug 241236 e Bolt rear cover onto the machine body use the hexagon bolt nut and washer Supplied as the top fixing bolt e The main shaft and gear wheel 221207 must not be turned during the next stages of the assembly Remove hand wheel and gear wheel 221226 e Push gear wheel 221226 and pulley with pin onto the main shaft the two gear wheels must not touch one another as you do this Turn the pulley until the pin engages in the slot in the gear wheel align the pulley with the faces on the main shaft push gear wheel and pulley against the machine body tighten the bolts in the pulley e Mount flange on the shaft fit motor on the flange push pulley onto the motor shaft Fit belt align motor pulley and tighten tension belt and tighten flange fixing bolts e Adjust hexagon bolt on the cover to a distance of 0 5 mm from the motor fit belt guard and hand wheel gt see spare parts list for numbers given here MAIER n Automatic frame drop device Frame drop device PFL M Frame drop device PFL P Consisting of Consisting of solenoid with Bowden cable mounting bracket and compressed air cylinder regulating valve deflection pulley solenoid valve and Bowden cable Order refe
15. antle the rear cover on the machine body e Remove blanking plug 240236 bolts 221212 and spring 221213 e Remove shaft 221204 e Refit shim 221204A and push the new shaft into the machine body The shaft should protrude 10 mm beyond the machine body Tighten bolt 240205 on the flat fit set collar 220151 e Fit blanking plug 240236 spring 221213 and bolt 221212 e Bolt the rear cover back on the machine body With class 241 and 251 machines use the hexagon bolt nut and washer supplied as the top fixing bolt With class 221 machines replace the fixing bolts for the cover with the long hexagon bolt spacer flat washer and nut e The main shaft and gear wheel 221207 must not be turned during the next stages of the assembly Remove hand wheel and gear wheel 221226 Push gear wheel 221226 and pulley with pin onto the main shaft the two gear wheels must not touch one another as you do this Turn the pulley until the pin engages in the slot in the gear wheel align the pulley with the faces on the main shaft push gear wheel and pulley against the machine body tighten the bolts in the pulley e Mount flange on the shaft fit motor on the flange push pulley onto the motor shaft Fit belt align motor pulley and tighten tension belt and tighten flange fixing bolts e Adjust hexagon bolt on the cover to a distance of 0 5 mm from the motor fit belt guard and hand wheel Classes 252 352 e Dismantle the rear cover on the machine body e
16. e lateral position of the looper e If the small finger of the looper hits pin M or hits the stitch plate at point N check first whether the feed dog lever link O is firmly tightened on to the set collar P so that the feed dog lever link has no play Adjust the set collar if necessary If the looper still hits at points M or N it can be adjusted to the left or right if required by slackening screws F and moving the entire eccentric cam G to the right or to the left Adjusting the looper stroke If the long finger of the looper takes up the thread too far in front of the needle or just behind it as it passes over the needle the looper must be set forward or back so that it takes up the thread earlier or later Adjusting the looper holder also adjusts the size of the thread loop looper stroke To do this slacken the locking screws see Fig 17 and set the looper forward or back one full turn using the spanner on the flat K of the looper holder B After making the adjustment it is essential that screws H and locknut are retightened The looper is correctly adjusted when the looper tip crosses over the needle scarf at its deepest point approx 1 5 2 0 mm from the needle eye The needle movement must be adjusted accordingly Eccentric link joint On class 221 19 2 252 261 352 machines and on machines in sub class 25 the link joint is fixed to the eccentric head by means of an eccentric bolt See spare parts list page 6 Turni
17. e machine s protective devices and on safe working methods The Operator has a duty to ensure that the machine is only operated in perfect condition The Operator must ensure that no safety devices are removed or disabled The Operator must ensure that only authorised persons work on the machine For more information please enquire at your authorised dealer MAIER Operators and specialist staff Operators Operators are the persons who are responsible for preparing operating and cleaning the machine and for troubleshooting in the sewing zone Operators have a duty to observe the following items The safety notes specified in the operating instructions must be observed during all work No method of working must be used that affects the safety of the machine Close fitting clothing must be worn No jewellery such as chains necklaces and rings must be worn It must be ensured that only authorised persons stay in the danger zone of the machine Any changes occurring on the machine that affect safety must be notified to the Operator immediately Specialist staff A MAIER Specialist staff means persons with electrical electronic and or mechanical technical training They are responsible for lubrication maintenance repair and adjustment of the machine Specialist staff have a duty to observe the following items The safety notes specified in the operating instructions must be observed during all work Befo
18. ied harmonised standards in particular EN 292 1 EN 292 2 EN 60204 3 1 Declaration du fabricant au sens de la directive CE sur les machines 89 392 CEE annexe II B Nous d clarons que la t te couseuse de la MAIER Machine a coudre a points invisibles t te couseuse Classe et no de s rie voir plaque est destin e a tre incorpor e dans une unit ou une installation de couture et que sa mise en service est interdite jusqu a ce que la conformite de cette unit ou de cette installation de couture aux dispositions de la directive CE sur les machines ait t constat e Normes appliqu es apres harmonisation notament EN 292 1 EN 292 2 EN 60204 3 1 Declarati n del fabricante de conformidad con la directiva CE sobre m quinas 89 392 CEE Anexo II B Por la presente declaramos que el tipo de M quina de puntada invisible MAIER parte superior de m quina Clase y n mero de serie vease placa indicadora est destinada a ser montada en una unidad de costura o instalaci n de costura debiendo comprobarse ants de su montaje que la unidad de costura o instalaci n de costura en la que dicho cabezal debe instalarse cumple con las disposiciones de la Directiva sobre m quinas CE Normas armonizadas utilizadas especialmente EN 292 1 EN 292 2 EN 60204 3 1 MAIER EG Konfirmit tserkl rung Im Sinne der EG Maschinenrichtlinie 89 392 EWG Anhang II A Hiermit erkl ren wir dass die Bauart der N heinheit bzw anlage MAI
19. ine being started again inadvertently Electrical assembly must only be carried out by a qualified electrician Installation instructions e Fit the stand in accordance with the stand manufacturer s specification In addition mount the second pedal e Fit the motor on the table top e Assemble table top and stand e Connect treadle and motor lever e Fit the transmission lever so that the centre hole is located underneath the hole for the chain that is fixed on to the supporting plate e Bolt the top section of the sewing machine on to the table top using two bolts The fleece must be laid between the top section of the sewing machine and the table top e Connect the support plate chain to the transmission lever e Using the long chain connect the transmission lever to the second treadle e Fit the V belt and tension it using the hinged motor bracket e Fit belt guard as shown in Fig 11 e Fit the thread stand Fitting the finger guard not on classes 220 221 271 lt is essential that the finger guard is fitted to prevent any finger injury when opening the frame with treadle or stop motor To do this remove the ratchet screw bolt the finger guard onto the table top at a distance of approx 3mm from the supporting plate Make sure that the supporting plate can move in front of the guard Refit the ratchet screw i MAIER Mounting instructions for the mini motor 46 attachment kit Classes 221 241 251 261 271 e Dism
20. ing only the cloth tuck of the cross seam is pierced If the outside cloth layer is pierced in the area of the cross seam thread pulls on the outside of the hem the cloth retainer clearance must be reduced turn the knurled screw clockwise If on the other hand the top layer of cloth cloth tuck is not pierced the cloth retainer clearance must be increased turn knurled screw anticlockwise During sewing the cloth retainers must move up and down alternately Important The plunger and cloth retainer are interdependent during adjustment so the cloth retainer may need readjusting after adjusting the plunger rib shaft Setting the helical spring MAIER The plunger rib shaft must spring downwards when sewing over cross seams The strength of the spring force can be adjusted with the knurled nut Hard cloths need a harder setting softer cloths need a softer setting Fig 4 OI helical spring for plunger rib shaft or left hand plunger on classes 252 352 Fig 4 4 helical spring for plunger rib shaft or right hand plunger on classes 252 352 21 Fitting the needle A Switch off the machine Risk of injury due to the machine being started again inadvertently To fit the needle turn the machine by hand until the needle lever is in the extreme left position Now slacken the fixing screw a few turns take out the old needle fit the new needle from the side and push it right up to the stop Then tighten the fixing
21. l interference radio 87 308 CEE Normes appliqu es apres harmonisation notament EN 292 1 EN 292 2 EN 60204 3 1 Declaration de conformidad de conformidad con la directiva CE sobre maquinas 89 392 CEE Anexo Il A Por la presente declaramos que el tipo de unidad de costura e instalaci n de costura de M quina de puntada invisible MAIER Clase y n mero de serie vease placa indicadora compl con mesa de coser y motor vease placa indicadora corresponde a las disposiciones siguientes directiva CE sobre m quinas 89 392 CEE modificada ltimamente por 93 44 CEE Anexo No 1 directiva CE sobre baja tensi n 73 23 CEE directiva CE sobre radio interferencia 87 308 CEE Normas armonizadas utilizadas especialmente EN 292 1 EN 292 2 EN 60204 3 1 With this machine you have acquired a user friendly universal and robust high performance blind stitch sewing machine All important information relating to working with this machine and the various setting possibilities is provided on the following pages If you need further information or have any difficulties whatsoever please contact your trusted dealer Of course apart from this we as the manufacturer are ready to answer your questions at any time and to help you with any problems you may have In this case please write direct to us or telephone us MAIER Maier Unitas GmbH Maschinenfabrik Postfach 1130 D 73253 K ngen Germany Tel 0 70 24 97 020 Fax 0 70 24 97 02
22. lasses 220 221 271 Align the plunger rib shaft accurately by adjusting the pivot screws See spare parts list page 4 items 19 and 20 e Classes 240 241 251 261 Align the plunger rib shaft by adjusting the set collar See spare parts list page 4 item 25 e Classes 252 352 Left hand plunger rib shaft Align the plunger rib shaft by adjusting the set collar See spare parts list page 4 item 35 Right hand plunger rib shaft Align the plunger rib shaft accurately by adjusting the pivot screws See spare parts list page 4 item 73 MAIER 29 Play e Once the alignment is complete make sure that the plunger rib shaft has no axial play Any play can be corrected by a tighter setting of the set collar or the pivot screws on the plunger shaft e lf the plunger rib shaft has any radial play this can be remedied by readjustment On classes 221 271 and on the right hand plunger rib shaft on classes 252 352 this is carried out by adjusting the pivot screws Classes 221 271 see spare parts list page 10 item 35 classes 252 352 see spare parts list page 4 item 73 On classes 240 241 250 251 261 this is carried out by adjusting the two set collars on the plunger shaft Make sure that the machine does not become stiff e Please remember to the lock the cone screw again with the appropriate nut Setting the plunger rib shaft timing e To ensure accurate penetration the plunger rib shaft must stop
23. m e The long finger of the looper must pick up the thread immediately behind the eye of the needle See Fig 18 MAIER 25 Adjusting the looper Switch off the machine Risk of injury due to the machine being started again inadvertently Basically the following rule must be borne in mind e When adjusting the eccentric cam G Fig 18 the looper is raised or lowered at both points E and L By turning looper holder B the path of the looper is raised on one side and lowered on the other Adjusting the height of the looper e lf the long finger of the looper touches the needle at point L or the stitch plate at point E or D the looper must be set slightly higher To do this slacken the two locking screws F Fig 18 on the eccentric cam G If the looper touches the needle turn the eccentric cam G upwards in a clockwise direction If the looper is too far away from the needle adjust the eccentric cam anticlockwise e It on the other hand the looper touches the stitch plate at point E or D and at the other side the needle touches the short finger of the looper at point L then an adjustment of the eccentric cam G is not sufficient This fault can only be rectified by turning the looper holder B slightly To do this slacken screws H and then retighten them afterwards This will prevent any contact by the small looper finger at point L and will raise the looper at points E and D so that it no longer touches there Adjusting th
24. n by turning the hand wheel The needle point must now be 2 mm 0 7 mm on class 252 and 1 0 mm on class 352 away from the right hand stitch plate edge Adjustment is by slackening and turning the needle lever Hold the hand wheel firmly as you do this e The left hand dead centre point of the needle must be such that the needle is free for threading Adjustment is by turning eccentric cam D e The needle movement can be adjusted by turning eccentric cam D after slackening screw E The position of the needle may have to be corrected by slackening the hexagon bolt on the needle lever Fitting and checking the looper KL E LD A ai U AO Ko WI il ag Switch off the machine Risk of injury due to the machine being started again inadvertently e Slacken the looper fixing screw A and remove the looper by pulling it forward Place the new looper on the looper holder B and push it backwards until it hits screw A e Then tighten the screw If our original looper is used no readjustment of the machine is necessary Even so you should spin the machine by hand to establish whether the movement of the looper is correct e Todo this turn the hand wheel backwards carefully e As you do this the looper must not touch either pin C or the needle or even the stitch plate at point D It must stroke the needle scarf exactly at point E but without touching it e Normally the distance to the needle should be approx 0 05 m
25. ner needle size 70 or 60 MAIER 17 Setting the stitch depth penetration Classes 220 221 240 241 251 261 271 Stichtiefe tiefer weniger tief Stitch depth more deep Prise du point e Adjusting screw A for setting the stitch depth is located under the frame plate e Tocheck the stitch depth turn the hand wheel until the needle point is positioned directly above the plunger rib shaft B e When correctly set the needle should just pass over the plunger rib shaft B without touching it e When checking the adjustment make sure that you do not operate the treadle or knee lift lever as otherwise the adjustment will be incorrect with the automatic presser foot device the associated Bowden cable must be slack e If the needle passes too high over the plunger rib shaft B as shown in C turn the stitch depth adjusting screw anticlockwise e However if the needle strikes the plunger rib shaft B as shown in D turn the adjusting screw clockwise Penetration Low number High number shallower deeper e Both the adjusting screw A and the numbers are clearly visible through the small opening in the frame or swing out table If some stitches are missed shallow penetration during sewing adjust the machine in accordance with C e However if some stitches appear on the outside of the cloth adjust the machine in accordance with D e On machines with spring loaded plunger rib shaft classes 251 261 271 accu
26. ng this eccentric bolt causes the longer finger of the looper to come further forward at its extreme right position At the same time the looper is shifted further back at its extreme left position Conversely setting back at the extreme right position causes the looper to be shifted forward at the extreme left position This enables even more accurate positioning of the looper The basic setting ex works is marked on the eccentric bolt A gauge block is available for basic setting of the length of the looper holder Order No V241103 Setting the thread take up cam A MAIER Switch off the machine Risk of injury due to the machine being started again inadvertently When the long finger of the looper is located over the scarf of the needle the thread should lie flat against the right edge of the thread take up cam see Fig 18 The appearance of the seam and the thread tension setting can be influenced by adjusting the thread take up cam If the thread take up cam is adjusted to the right more thread is pulled through and the size of the loop formed with the looper stroke can be reduced If the thread take up cam is adjusted to the left less thread is pulled through As a result the thread tension can be reduced slightly 27 Stitch length adjustment Switch off the machine Risk of injury due to the machine being started again inadvertently Abb 20 CBA e Remove cover and slacken screw A The adjustment eccen
27. nnnrnnnnrnnnnnnnnrnnnnnnnnenanrnnnnnnnns 16 Blind stitch hems on the cloth he 16 Setting the stitch depth penetration cc ceeeecccccceccseeseeeceeeeeeeeeeeceeeeeseeeeeeeeeeeeseeeseeeeeeesseaaeeeeeeesssasseeeeeeees 18 Classes 220 221 240 241 251 261 271 WE 18 NS SS r a RE 19 Setting the cloth retainers for classes 251 261 271 281 252 28 21 Seiting the helical SOMAG wssccccccc2scnsduecscacesedeceacesaccteassdedhacheeddtavsenasbodeodddeaunedscGcdosddduasshcedbageshadbatnededaadeuddddessededeeess 21 o e EAEE AE EA A I VEEN E EE EE A T EE E A E E E E A 22 Checking the needle moon 22 Jo ee ec en EE EE 23 Jeder elt En EE 24 Setting ME stitch e 24 Basic setting of the needle movement occcccccocccnncccnncconccnonnnnnnnnnncnnnonnnnnnnnonnnnnnnnnnnnnnnnnnrnnnnnnnnrnnnnnnnnrrnnnrnnnenanennnnss 25 Fitting and checking the looper nnnnnnnnnnnnnnnnnennnnnsrnnnnnsrnnrnnrnnnrnsrnrrrnsnnrrrnsrnrrrnsnrrrennnrrrnsnnrrrnnnrrennnnnnennnrrren nenen 25 e ele 26 Adjusting the height of the lOOPEr ccccccssseecccceeseeeeecseeseceecseaeeeecsseaueeeessaueeeeesseaueceeseeaeeeessaaecesssaaeeseseaas 26 Adjusting the lateral position Of the looper oocccccccooncnncccconnnncncnoncnnnnonnnonnnonnnnnnonnnnnnnnnonnnnnnnnrnannnnnnnnnnnnnnns 26 Adjusting the looper stroke cota di iii 27 Setting the thread take up cam 27 HCH lenggih adu Sime Ni eese E IA I R p REE r eE EEPO EE SEEE Ei 28 Plunger rib shaft adjustment Meee ne eee Rn
28. rate adjustment of the cloth retainers is very important See page 21 of the operating instructions for more on this Classes 252 and 352 Abb 4 7 weniger tief tiefer A a d 2 D i d r N fol gt Zen ao WY EEE ed With the above machine classes double blind stitch the cloth is inserted folded in an S shape see Fig 4 In this case the distance from the seam to the hem edges can be any value required All other essential information on inserting the cloth is described on page 16 For accurate adjustment of the stitch depths of both plungers rib shafts it is particularly important to follow the correct sequence e Setting the cloth guide Depending on the cloth thickness the cloth guide at the front of the stitch plate must be adjusted such that the folded hem edge is positioned exactly between the two plungers rib shafts Reason the setting of the right hand plunger rib shaft is influenced as a result If the hem edge is too far to the left it will be pierced too deeply by the needle If on the other hand it is too far to the right it will not be caught by the needle Two folders and edge guides are provided to make it easier to guide the cloth 26 the fabric hem is automatically folded into an S shape Seam inset from the edge of the hem can be any value 28 the hem edge is automatically folded into an S shape Seam inset from the edge of the hem is approx 5 mm VMAIER
29. re starting work and before any adjustment or repair work the main switch must be switched off and locked off to prevent reclosure Work on electrical equipment must only be carried out by specialist staff who are qualified for this type of work No work must be carried out on live parts and devices except as specified in regulations EN 50110 Protective covers must be refitted after repair and maintenance work Hazard warnings e When the machine is in operation a 1 m working area must be kept clear in front of and behind the machine so that unhindered access is possible at any time No objects must be left lying on the table during setup and adjustment of the machine The objects could be clamped or thrown out Risk of injury due to parts flying about Do not operate the machine without wearing eye protection Do not operate machines without belt guards Risk of injury due to the drive belts The machines are used to produce blind stitches in industrial sewing applications Any use not by approved by the manufacturer is considered to be incorrect usage The manufacturer accepts no liability for damage resulting from incorrect usage Correct use also includes compliance with the operation maintenance adjustment and repair measures specified by the manufacturer Transport packaging and storage A Transport to the dealer Operator All machines are delivered fully packed Internal transport The manufacturer does not
30. rence PFL M Order reference PFL P The frame drop devices PFL M and PFL P can be obtained directly from us The stop motors and frame drop devices must be switched to give the following sequence e Positioning needle in extreme left position e Cutting with treadle position fully down e Dropping opening of the table frame e Intermediate dropping without cutting is possible at the treadle mid position Attention operators please note The table frame is under strong spring tension So always make sure that your fingers are outside the danger zone when you release the treadle after the cutting and dropping process Accessories Thread stand treadle with transmission linkage or knee lift lever chains hooks 2 part belt guard plate finger guard not with classes 220 221 271 oiler screwdriver open ended spanner Allen key cover spare parts list Sewing machine table tops Sewing machine table top for models 220 221 271 1060 Normalplatte Resopal belegt Vorderkante Sewing machine table top for models 220 221 271 with sub class 46 1060 Normalplatte Resopal belegt RAL 9002 formica coated RAL 9002 Vorderkante leading edge Fra MAIER Fase 5x45 umlaufend 5x45 Fase umlaufend bevel circulating 13 Sewing machine table top for models 240 241 251 252 261 281 352 1060 Normalplatte Resopal belegt RAL 9002 Vorderkante Sewing machine table top
31. rked in red are provided on the cover and on the machine body The machine should be oiled at these points about two or three times per month One drop of sewing machine oil per oil hole is sufficient Attention Make sure that you don t too use too much oil as this can result in the material becoming soiled About every two months the covers on the looper drive and the skip stitch gears should be taken off any excess oil removed and the individual lubrication points of the bearings also marked in red should be oiled Also from time to time the presser feet under the stitch plate and the plunger shaft rib shaft should be lightly oiled Only use sewing machine oil to lubricate the machine The time intervals given above relate to single shift operation Disposal of the machine A MAIER Correct disposal of the machine is the customer s responsibility The materials used on the machine are cast iron steel aluminium brass and various plastics The electrical equipment is made of plastics and copper The machine must be disposed of in accordance with the locally applicable environmental protection regulations It may be necessary to employ a specialist firm for this Make sure that any parts that have lubricants adhering to them are disposed of separately in accordance with the locally applicable environmental protection regulations Assembly of the machine Switch off the machine Risk of injury due to the mach
32. s short of it in this 1 2 or 1 3 cycle Turn switch handle A to ON to switch on the skip stitch mode Switching on the skip stitch drive does not interfere with other machine settings It can be switched whilst the machine is in motion Attention The plunger rib shaft must be specially adjusted when sewing with a 1 2 or 1 3 skip stitch See page 29 plunger rib shaft adjustment of the operating instructions 23 Instructions for the mechanic Se a stitch plate Switch off the machine Risk of injury due to the machine being started again inadvertently Spin the machine by hand Here the needle should slide on the needle plate A with no clearance until stitching the cloth but it must not be lifted by it either When the needle is at the farthest right position B the play between needle and stitch plate should be approx 1 10 mm In addition the feed dog must be located in the centre of the stitch plate cut out e Slacken the two stitch plate fixing screws and the hexagon bolt on the rear stitch plate mounting e Retighten them slightly e Now you can move the stitch plate to the required position e Tighten screws and bolt A setting gauge is available for basic setting of the stitch plate Order No V241101 ep VMAIER Basic setting of the needle movement Switch off the machine Risk of injury due to the machine being started again inadvertently e Position the needle at the right hand dead centre positio
33. take up cam wrongly adjusted Correct adjustment see page 26 AA Needle bent or blunt Change needle see page 16 Plunger rib shaft timing incorrect Adjust plunger rib shaft see page 28 Stitch plate set incorrect Set stitch plate see page 23 Bearing play in plunger shaft or plunger Adjust plunger rib shaft see page 28 lever Ca SR ENE SOTERA under cloth retainer Miscellaneous Transport problems in the area of the cross Only use one guide rule or replace with seam can be caused due to the guide another guide rule rules Sewing tools The machines are equipped with special sewing tools for different purposes The tools are also available separately Order No Description NINA WA Suitable for classes 220 221 240 241 251 271 281 Feed dog Normal serration Fine serration Coarse serration Pyramidal serration Rubber coating 220145 220145 F 220145 G 220145 PY 220145 GU Suitable for class 252 252145 252145 F 252145 G 252145 PY 252145 GU Normal serration Fine serration Coarse serration Pyramidal serration Rubber coating Feed dog Suitable for class 352 352145 352145 F 352145 M 352145 PY 352145 GU Normal serration Fine serration Medium serration Pyramidal serration Rubber coating Suitable for class 251 Plunger rib shaft 250167 ST 5 mm wide for coarse meshed knitwear Suitable for classes 240 241 Plunger rib shaft 240167 ST SS Cloth retainer 240114 240114 3
34. tric B can now be adjusted to the required stitch length by turning it using the holes A zero mark is provided on the eccentric head C This serves as a reference point The number appearing opposite the zero mark is the stitch length in millimetres Higher number longer stitch length lower number shorter stitch length When changing the stitch length bear in mind that the feed dog changes too and on class 220 the plunger rib shaft also changes So you must recheck the feed dog setting see page 30 of the operating instructions MAIER 28 Plunger rib shaft adjustment Switch off the machine Risk of injury due to the machine being started again inadvertently Radial position e Correct adjustment of the needle is prerequisite for adjusting the plunger rib shaft e When correctly adjusted the plunger rib shaft should stop with its tip A approx 2 3 mm in front of the needle as the needle point passes over it e If it stops too far in front of or behind the needle an adjustment must be made To do this slacken screw B Using an open ended spanner on the flats provided on the plunger shaft the plunger rib shaft can then be adjusted backwards or forwards Retighten screw B firmly afterwards Axial position The same requirement holds for all classes e that the plunger rib shaft stops exactly in the middle under the cloth retainer If this is not the case it can be adjusted as follows e C
35. when the needle passes over it The return movement must only start when the needle eye crosses the plunger tip on the forward movement of the needle This can be checked by turning the hand wheel slowly e If the plunger rib shaft moves earlier or later the following adjustment is necessary Slacken screws D at the back of the machine Fig 22 then turn the hand wheel until the needle point is positioned in the middle of the stitch plate cut out Now turn the eccentric E forwards or backwards until the plunger rib shaft is at its rear reversing position During the adjustment hold the needle stationary by means of the hand wheel When correctly adjusted retighten screws D firmly Afterwards the plunger rib shaft adjustment should be checked again as described above Plunger rib shaft skip stitch timing When sewing in skip stitch mode the plunger rib shaft must perform one short stroke and one long stroke alternately The skip stitch eccentric must be adjusted for this for part numbers see spare parts list page 10 e Turn the hand wheel until the plunger rib shaft is in its rearmost position e Remove the hand wheel and gear wheel 221226 e Turn gear wheel 221227 until the plunger rib shaft is in its rearmost position e Fit the hand wheel with gear wheel 221226 When doing so make sure that the main shaft and gear wheel 221227 do not turn Feed dog adjustment A MAIER Switch off the machine Risk of
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