LK3-B434E INSTRUCTION MANUAL ELECTRONIC LOCKSTITCH PATTERN TACKER

Transcription

1 LK3-B434E INSTRUCTION MANUAL Plas ad this manual bfo using th machin. Plas kp this manual ithin asy ach fo uick fnc. ELECTRONIC LOCKSTITCH PATTERN TACKER

2 Thank you vy much fo buying a BROTHER sing machin. Bfo using you n machin, plas ad th safty instuctions blo and th xplanations givn in th instuction manual. With industial sing machins, it is nomal to cay out ok hil positiond dictly in font of moving pats such as th ndl and thad tak-up lv, and consuntly th is alays a dang of injuy that can b causd by ths pats. Follo th instuctions fom taining psonnl and instuctos gading saf and coct opation bfo opating th machin so that you ill kno ho to us it coctly. SAFETY INSTRUCTIONS 1. Safty indications and thi manings This instuction manual and th indications and symbols that a usd on th machin itslf a povidd in od to nsu saf opation of this machin and to pvnt accidnts and injuy to youslf o oth popl. Th manings of ths indications and symbols a givn blo. Indications DANGER CAUTION Th instuctions hich follo this tm indicat situations h failu to follo th instuctions ill almost ctainly sult in dath o sv injuy. Th instuctions hich follo this tm indicat situations h failu to follo th instuctions could caus injuy hn using th machin o physical damag to uipmnt and suoundings. Symbols... This symbol ( ) indicats somthing that you should b caful of. Th pictu insid th tiangl indicats th natu of th caution that must b takn. (Fo xampl, th symbol at lft mans ba of injuy.)... This symbol ( ) indicats somthing that you must not do.... This symbol ( ) indicats somthing that you must do. Th pictu insid th cicl indicats th natu of th thing that must b don. (Fo xampl, th symbol at lft mans you must mak th gound connction.) LK3-B434E Mak II i

3 2. Nots on safty DANGER Wait at last 5 minuts aft tuning off th po sitch and disconncting th po cod fom th all outlt bfo opning th fac plat of th contol box. Touching aas h high voltags a psnt can sult in sv injuy. Us th sing machin in an aa hich is f fom soucs of stong lctical nois such as highfuncy lds. Soucs of stong lctical nois may caus poblms ith coct opation. Any fluctuations in th po supply voltag should b ithin ±10% of th atd voltag fo th machin. Voltag fluctuations hich a gat than this may caus poblms ith coct opation. Th po supply capacity should b gat than th uimnts fo th sing machin's lctical consumption. Insufficint po supply capacity may caus poblms ith coct opation. Th pnumatic dlivy capability should b gat than th uimnts fo th sing machin s total ai consumption. Insufficint pnumatic dlivy capability may caus poblms ith coct opation. CAUTION Envionmntal uimnts Installation Th ambint tmpatu should b ithin th ang of 5 C to 35 C duing us. Tmpatus hich a lo o high than this may caus poblms ith coct opation. Th lativ humidity should b ithin th ang of 45% to 85% duing us, and no d fomation should occu in any dvics. Excssivly dy o humid nvionmnts and d fomation may caus poblms ith coct opation. Avoid xposu to dict sunlight duing us. Exposu to dict sunlight may caus poblms ith coct opation. In th vnt of an lctical stom, tun off th po and disconnct th po cod fom th all outlt. Lightning may caus poblms ith coct opation. Machin installation should only b caid out by a ualifid tchnician. Contact you Both dal o a ualifid lctician fo any lctical ok that may nd to b don. Th sing machin ighs mo than 49 kg. Th installation should b caid out by to o mo popl. Do not connct th po cod until installation is complt, othis th machin may opat if th foot sitch is pssd by mistak, hich could sult in injuy. Hold th machin had ith both hands hn tilting it back o tuning it to its oiginal position. Futhmo, aft tilting back th machin had, do not push th fac plat sid o th pully sid fom abov, as this could caus th machin had to toppl ov, hich may sult in psonal injuy o damag to th machin. B su to connct th gound. If th gound connction is not scu, you un a high isk of civing a sious lctic shock, and poblms ith coct opation may also occu. All cods should b scud at last 25 mm aay fom any moving pats. Futhmo, do not xcssivly bnd th cods o scu thm too fimly ith stapls, othis th is th dang that fi o lctic shocks could occu. Install th blt covs to th machin had and moto. If using a ok tabl hich has casts, th casts should b scud in such a ay so that thy cannot mov. B su to a potctiv goggls and glovs hn handling th lubicating oil and gas, so that thy do not gt into you ys o onto you skin, othis inflammation can sult. Futhmo, do not dink th oil o at th gas und any cicumstancs, as thy can caus vomiting and diahoa. Kp th oil out of th ach of childn. ii LK3-B434E Mak II

4 CAUTION Sing This sing machin should only b usd by opatos ho hav civd th ncssay taining in saf us bfohand. Th sing machin should not b usd fo any applications oth than sing. B su to a potctiv goggls hn using th machin. If goggls a not on, th is th dang that if a ndl baks, pats of th bokn ndl may nt you ys and injuy may sult. St th ndl to th ndl up stop position bfo tuning off th po. If this is not don, th ip may stik th ndl, hich might caus th ndl to bak. Tun off th po sitch at th folloing tims, othis th machin may opat if th foot sitch is pssd by mistak, hich could sult in injuy. Whn thading th ndl Whn placing th ndl and bobbin Whn not using th machin and hn laving th machin unattndd If using a ok tabl hich has casts, th casts should b scud in such a ay so that thy cannot mov. Attach all safty dvics bfo using th sing machin. If th machin is usd ithout ths dvics attachd, injuy may sult. Do not touch any of th moving pats o pss any objcts against th machin hil sing, as this may sult in psonal injuy o damag to th machin. If an o occus in machin, o if abnomal noiss o smlls a noticd, immdiatly tun off th po sitch. Thn contact you nast Both dal o a ualifid tchnician. If th machin dvlops a poblm, contact you nast Both dal o a ualifid tchnician. St th ndl to th ndl up stop position bfo tuning off th po. If this is not don, th ip may stik th ndl, hich might caus th ndl to bak. Tun off th po sitch bfo caying out claning, othis th machin may opat if th foot sitch is pssd by mistak, hich could sult in injuy. Claning Maintnanc and inspction B su to a potctiv goggls and glovs hn handling th lubicating oil and gas, so that thy do not gt into you ys o onto you skin, othis inflammation can sult. Futhmo, do not dink th oil o at th gas und any cicumstancs, as thy can caus vomiting and diahoa. Kp th oil out of th ach of childn. Maintnanc and inspction of th sing machin should only b caid out by a ualifid tchnician. Ask you Both dal o a ualifid lctician to cay out any maintnanc and inspction of th lctical systm. St th ndl to th ndl up stp position bfo tuning off th po. If this is not don, th ip may stik th ndl, hich might caus th ndl to bak. Tun off th po sitch and disconnct th po cod fom th all outlt at th folloing tims, othis th machin may opat if th foot sitch is pssd by mistak, hich could sult in injuy. Whn caying out inspction, adjustmnt and maintnanc Whn placing consumabl pats such as th otay hook Disconnct th ai hoss fom th ai supply and ait fo th ndl on th pssu gaug to dop to 0 bfo caying out inspction, adjustmnt and pai of any pats hich us th pnumatic uipmnt. If th po sitch and ai nd to b lft on hn caying out som adjustmnt, b xtmly caful to obsv all safty pcautions. Hold th machin had ith both hands hn tilting it back o tuning it to its oiginal position. Futhmo, aft tilting back th machin had, do not push th fac plat sid o th pully sid fom abov, as this could caus th machin had to toppl ov, hich may sult in psonal injuy o damag to th machin. Us only th pop placmnt pats as spcifid by Both. If any safty dvics hav bn movd, b absolutly su to -install thm to thi oiginal positions and chck that thy opat coctly bfo using th machin. Any poblms in machin opation hich sult fom unauthoizd modifications to th machin ill not b covd by th aanty. LK3-B434E Mak II iii

5 3. Waning labls Th folloing aning labls appa on th sing machin. Plas follo th instuctions on th labls at all tims hn using th machin. If th labls hav bn movd o a difficult to ad, plas contact you nast Both dal. 1 Hazadous voltag ill caus injuy. Tun off main sitch and ait 5 minuts bfo opning this cov. Hochspannung vltzungsgfah! Bitt schaltn si dn hauptschalt aus und atn si 5 minutn, bvo si dis abdckung öffnn. Un voltag non adapté povou ds blssus. Etindl'intuptu t attnd 5 minuts avantd' ouvi l capot Un voltaj inadcuado pud povoca las hidas. Apaga l intupto pincipal y spa 5 minutos ants d abi sta cubita. 2 Moving pats may caus injuy. Opat ith safty dvics. Tun off main sitch bfo thading, changing bobbin and ndl, claning tc. Safty dvics Ey guad Fing guad Thad tak-up cov Thad tak-up solnoid cov Blt cov Moto cov, tc. 3 B su to connct th gound. If th gound connction is not scu, you un a high isk of civing a sious lctic shock, and poblms ith coct opation may also occu. 4 Diction of opation 4 Thad tak-up cov 2 Blt cov Thad tak-up solnoid cov Ey guad 3 1 Fing guad Moto cov iv LK3-B434E Mak II

6 CONTENTS 1. NAME OF EACH PART SPECIFICATIONS Spcifications Exampls of sing pattns INSTALLATION Po tabl Installing th moto Installing th moto pully Installing th contol box Installing th ubb cushions Installing th oil pan Installing th cushions Installing th machin had Installing th had st Installing th liuid cooling tank, optional Installing th opation panl Conncting th gound i Conncting th cods Piping (fo pnumatic) Installing th V-blt Installing th blt cov Installing th foot sitch Installing th moto cov Installing th spool stand Installing th ndl sub plat Installing th y guad LUBRICATION Lubication points OPERATION Nam and function of ach opation panl itm Opating pocdu Opating th foot sitch Opating th mgncy stop sitch CHECKING THE SEWING PATTERN CORRECT USE Slcting th ndl and thad Installing th ndl Thading th upp thad Winding th lo thad Rplacing th bobbin cas and thading th thad Sing conditions and thad tnsion SEWING MAINTENANCE AND INSPECTION Claning th otay hook Lubication Daining th oil Claning th contol box ai inlt pot Claning th y guad Chcking th ndl STANDARD ADJUSTMENTS Adjusting th ndl ba hight Adjusting th ndl ba lift amount Adjusting th div ndl guad Adjusting th ndl claanc Adjusting th shuttl ac thad guid Adjusting th thad tak-up amount Adjusting th movabl knif Adjusting th ok clamp lift amount Wok clamp intchangability Adjusting th ndl up stop position Adjusting th thad ip Chcking th input snso and DIP sitch input Chcking th input voltag Claing all mmoy sttings Moving stitch pattns Adjustmnt of ai pssu (fo pnumatic) Adjustmnt of inn clamping dvic USING THE COUNTERS Using th bobbin thad count Using th poduction count CHANGING FUNCTIONS USING THE DIP SWITCHES Opation panl DIP sitchs DIP sitchs insid th contol box Using us pogams CHANGING SPECIAL FUNCTIONS USING THE MEMORY SWITCHES Using th cycl sing function SETTING THE WORK CLAMP MODE Stting solnoid ok clamp mod Stting pnumatic ok clamp mod Light ok clamp Stting vs ok clamp mod TABLE OF ERROR CODES GAUGE PARTS LIST ACCORDING TO SUBCLASSES TROUBLESHOOTING OPTIONAL PARTS LK3-B434E Mak II

7 1. NAME OF EACH PART 1. NAME OF EACH PART o!7 u y!4!0 i!5!3!2 t Spcifications ith inn clamping dvic!6 o [LK3-B434E Mak II/Solnoid spcifications]!7 u!1 y!3!4!0 i!5!2 t!6 [LK3-B434E Mak II/Pnumatic spcifications] Po sitch Contol box Opation panl Foot sitch t Moto y Tnsion las lv u EMERGENCY STOP sitch i Pully o Spool stand!0 Thad tak-up lv!1 Wip solnoid cov Safty dvics;!2 Fing guad!3 Ey guad!4 Thad tak-up cov!5 Blt cov!6 Moto cov!7 Thad tak-up solnoid cov 1 LK3-B434E Mak II

8 2. SPECIFICATIONS 2. SPECIFICATIONS 2-1. Spcifications BROTHER INDUSTRIES, LTD. LK3-B434EX-3 MADE IN JAPAN 1 2 Mdium matials Havy matials Stitch fomation Maximum sing spd Maximum pattn siz Fd mchanism Stitch lngth Numb of stitchs Maximum stitch numb Wok clamp lift Wok clamp hight Rotay hook Wip dvic Thad timm dvic Thad tak-up dvic Safty dvic Data stoag mthod Numb of us pogams Numb of cycl pogams Numb of stod data Moto Wights Po souc Singl ndl lock stitch 2,500 pm (Pitch 3 mm) mm max. R-θ intmittnt fd mchanism (puls-moto divn mchanism) mm Vaiabl 20,000 stitchs (including 10,000 stitchs hich can b addd) Solnoid typ o pnumatic typ 17 mm max. (fo solnoid), 25 mm max. (fo pnumatic) (Max. 17 mm fo inn clamping dvic) Shuttl hook (shuttl hook 2, optional) Standad uipmnt Standad uipmnt Standad uipmnt built-in stopping mchanism P-ROM (Any sing pattn can b addd using BAS-PC/300.) 16 4 Up to 100 pattns can b addd. Total numb of stitchs of stod data hich can b addd is ithin 10,000. Th-phas 400W induction moto Machin had: 49 kg, Opation panl: 0.6 kg, Contol box: 9-19 kg (dpnding on dstination) Singl-phas V 3-phas 220, 380, 400, 415V Maximum lctic po consumption; 600VA [Main us] Pattns up to a maximum siz of 100 mm 60 mm can b sn. Fo plain stitching of small aticls, cutain dats, tc. To-stag ok clamp, light ok clamp and inn clamping dvic can b usd (fo pnumatic). Fo attaching itms, sing labls, tc. If you ant to s a pattn, you can cat you oiginal pattn using th BAS-PC/300. Consult ith you local Both Sals Offic fo dtails. LK3-B434E Mak II 2

9 2. SPECIFICATIONS 2-2. Exampls of sing pattns Th folloing a xampls of possibl pattns ith th LK3-B434E Mak II. Sing pattns Uss Dcoativ tacking Tiangula chain tacking Rctangula dcoativ tacking Numb of stitchs Sing pattns Uss Coss tacking Opn coss tacking Buckl stitching Numb of stitchs Sing pattns Uss Sua tacking Bullt-nos tacking Round tacking Numb of stitchs Sing pattns Uss Hat-shapd tacking Half-moon tacking L-shapd tacking Numb of stitchs LK3-B434E Mak II

10 3. INSTALLATION 3. INSTALLATION CAUTION Machin installation should only b caid out by a ualifid tchnician. Contact you Both dal o a ualifid lctician fo any lctical ok that may nd to b don. Th sing machin had ighs mo than 49 kg. Th installation should b caid out by to o mo popl. Do not connct th po cod until installation is complt, othis th machin may opat if th foot sitch is dpssd by mistak, hich could sult in injuy. Hold th machin had ith both hands hn tilting it back o tuning it to its oiginal position. Futhmo, aft tilting back th machin had, do not push th fac plat sid o th pully sid fom abov, as this could caus th machin had to toppl ov, hich may sult in psonal injuy o damag to th machin. All cods should b scud at last 25 mm aay fom any moving pats. Futhmo, do not xcssivly bnd th cabl o scu it too fimly stapls, othis th is th dang that fi o lctic shocks could occu. B su to connct th gound. If th gound connction is not scu, you un th isk of civing a sious lctic shock, and poblms ith coct opation may also occu. Install th blt covs to th machin had and moto Po tabl Us th po tabl hich has bn spcially dsignd fo ach sing machins. * If using a commcially-availabl tabl, pocss it as shon in th illustation blo. Tabl/ lgs assmbly Modl cod 127-V NOTE: Th thicknss of th tabl should b at last 40 mm, and it should b stong nough to ba th ight and vibation of th sing machin. If th distanc A btn th insids of th lgs is lss than 740 mm, mov th contol box installation position clos to th moto (B = 247 mm). Chck that th contol box is at last 10 mm aay fom th lg. If th contol box and lg a touching, it could caus th sing machin to opat incoctly. Moto Contol Box Opation panl cod hol Countbo dpth 23 Sction A-A dpth 5 LK3-B434E Mak II 4

11 3. INSTALLATION 3-2. Installing th moto Install th moto u to th ok tabl ith th fou accssoy bolts, cushions, cushion collas, flat ashs, sping ashs t and nuts y. At that tim, fix by stting bolts a littl to th ight of oval hol on moto. NOTE: Tightn th nuts y so that th claanc btn th tabl and th cushion collas is appoximatly 1 mm. u t y Tabl 1 mm 3-3. Installing th moto pully Plac th moto pully onto th shaft of th moto so that th ky goov is alignd, and thn tightn th st sc so that th cnt of th V goov in th moto pully is alignd as closly as possibl ith th cnt of th blt hol in th po tabl. 5 LK3-B434E Mak II

12 3. INSTALLATION 3-4. Installing th contol box!1!0 t y i u o 3 mm Tabl t Cushions y Cushion collas u Rubb colls i Flat ashs o Nuts!2!3 1. Rmov th 12 scs, and thn opn th covs (panl mounting assmbly and main P.C. boad mounting plat ). NOTE: Whn opning th cov, hold it sculy so that it dos not fall don. 2. Install th contol box ith th fou accssoy bolts, cushions t, cushion collas y, ubb collas u, flat ashs i and nuts o as shon in th illustation abov. At this tim, lav a gap of appoximatly 3 mm btn th ok tabl and th top of th box. * Us to nuts o at ach installation location, and mak su that both nuts a tightnd. 3. Clos th covs (panl mounting assmbly and main P.C. boad mounting plat ), and tightn thm ith th scs. * Th main P.C. boad mounting plat ill b opnd again duing Conncting th cods, so povisionally tightn it ith th sc. 4. Install th po sitch!0 ith th to scs!1. 5. Scu th po sitch cod ith th th stapls!2. 6. Pass th moto cod though th cod hol!3. LK3-B434E Mak II 6

13 3. INSTALLATION 3-5. Installing th ubb cushions Install th ubb cushions ith th nails Installing th oil pan 1. Inst th tabs of th oil pan into th hols fo th cushions, and thn scu it in plac ith th fiv nails so that th oil pan is not at an angl. 2. Whil pushing th oil pan don fom abov, sc in th oil contain Installing th cushions Plac th to cushions into th hols in th ok tabl so that th notchs a alignd ith th tabs in th oil pan, and scu thm in plac ith th nails. 7 LK3-B434E Mak II

14 3. INSTALLATION 3-8. Installing th machin had u y t 1. Inst th had hings into th machin had so that thy a paalll, and thn scu thm ith th to st scs. 2. Plac th machin had gntly on top of th ubb cushions and cushions. NOTE: Pull th cods t out as shon in th illustation abov in od to pvnt thm fom bing clampd by th machin had. 3. Install th hing pss y ith th to scs u Installing th had st Tap th had st into th tabl hol. NOTE: Tap th had st sculy into th tabl hol Installing th liuid cooling tank, optional 1. Rmov th ubb plug, and thn push th liuid cooling tank. 2. Tightn it ith th st sc. LK3-B434E Mak II 8

15 3. INSTALLATION Installing th opation panl Th opation panl can b installd to ith th top o bottom of th ok tabl. Top of ok tabl Bottom of ok tabl t Tabl t Tabl 1. Install th a fam to th ok tabl (top o bottom) ith th fou ood scs. 2. Install th font fam to th a fam ith th fou scs. * Th vtical ointation of th font fam is th sam hth it is installd to th top o th bottom of th ok tabl. 3. Inst th conncto cod t into th contol box though th hol at th sid of th box. Rf to Conncting th cods fo dtails on conncting th cod. 4. Scu th conncto cod t ith th stapls (in th placs) Conncting th gound i CAUTION B su to connct th gound. If th gound connction is not scu, you un th isk of civing a sious lctic shock, and poblms ith coct opation may also occu. Rd Whit Black Yllo/Gn Connct to th po sitch. Hov, th black i is insulatd to th insid of th box and is not usd. Connct to gound 9 LK3-B434E Mak II

16 3. INSTALLATION Conncting th cods!2!3 t P8 P1 o y P18 P2 P3 u i!1!0 P14 P11 P4 P5 P6 P7 1. Gntly tilt back th machin had. NOTE: Aft tilting back th machin had, do not push th fac sid o th pully sid fom abov. 2. Pass th cods though th hol in th ok tabl. 3. Gntly tun th machin had to its oiginal position. 4. Rmov th six scs, and thn opn th contol box cov (main P.C. boad mounting plat ). NOTE: Whn opning th cov, hold it sculy so that it dos not fall don. 5. Loosn th to scs t, and thn opn th cod pss plat y in th diction of th hit ao and pass th cods though th opning. 6. Loosn th sc o, and thn attach th gound cod u fo th machin had and th gound cod i fo th opation panl as shon in th illustation. 7. Loosn th sc!1, and thn attach th gound cod!0 fo th upp shaft moto as shon in th illustation. 8. Sculy connct connctos P1 to P8, P11, P14 (fo pnumatic) and P18 as indicatd in th tabl. Connction location X, Y, Sing snso Synchoniz Machin spcification slct conncto Thad ip solnoid* Thad tak-up solnoid Pss solnoid Thad timm solnoid Puls moto, Y Puls moto, X Opation panl Upp shaft moto EMERGENCY STOP sitch Solnoid valv (fo pnumatic) Machin had connctos No. of pins 12-pin 5-pin 8-pin 5-pin 4-pin 4-pin (blu) 4-pin 26-pin 3-pin 6-pin 12-pin Cod mak z x c v b n m Non Non 8 Non Connction location on cicuit boad P1 (ORG2) P2 (SYNCHRO) P3 (SELECT) P4 (SOL2) P5 (SOL) P6 (YPM) P7 (XPM) P8 (PANEL) P11 (UVW) P18 (HEAD) P14 (AIR) * Povidd as an option fo solnoid spcifications. 9. Scu th cods ith th cod clamps!2 and! Clos th cod pss plat y in th diction of th black ao, and scu it by tightning th scs t. NOTE: Chck that th cods do not gt pulld hn th machin had is tiltd back gntly. LK3-B434E Mak II 10

17 3. INSTALLATION!4!6!4!5 a!5 a! RESET!7 11. Rplac PROM contol assmbly ith on hich contains sing data. 1) Us th spcial tool to mov th PROM contol assmbly!4 fom th PROM sockt!5. * Sto th movd PROM contol assmbly in th spcial cas povidd. 2) Bnd th pins of th PROM contol assmbly hich contains sing data!6 so that thy a at an angl of appoximatly 90. 3) Mak th dictions of th PROM contol assmbly!6 and th PROM sockt!5 sam so that th potions (a) com on th sam sid, and pss th PROM gntly into th sockt hil chcking that th pins of th PROM a going into th sockt poply. NOTE: If th PROM has bn placd, pss th RESET sitch!7 hil tuning on th po in od to initializ th mmoy. All of th us pogams, cycl pogams and mmoy sitchs hich hav bn codd ill thn b clad. Th PROM hich is installd at th tim of shipmnt fom th factoy dos not includ any sing data. If you ty to chang th pogam numb ithout placing th PROM, o E-b1 ill b displayd. To cat sing data, us th BAS-PC/300 lctonic pattn s/ad (sold spaatly). 12. Tightn th cov (main P.C. boad mounting plat ) ith th six scs. 11 LK3-B434E Mak II

18 3. INSTALLATION Piping (fo pnumatic) Pnumatic ok clamp Upp knob 2B 1B 2A 1A Cylind L Cylind R Lo knob Sitch 2 1 2B 2A 1B 1A 3A 3B Rvsal cylind Rvs ok clamp 3B 2B 1B 1A 3A 2A Connct ai tubs in accodanc ith th idntifid numbs in th figu. At this tim, pass th ai tubs though th hol and thn pass it though th ok tabl hol. * Aft conncting th ai tubs, bind thm togth ith th fastning band. * Light ok clamp mod can b usd by changing ov th ai tub connctions. (Rf to 14. Stting th ok clamp mod.) LK3-B434E Mak II 12

19 3. INSTALLATION Installing th ai unit Mak su that th ai unit dos not touch th contol box o th ok tabl lg. u i!0 t o y 50 mm 120 mm Whn installing to th undsid of th ok tabl 1. Rmov th to scs and th valv stting plat. 2. Tun th valv stting plat upsid don, and install it to th undsid of th ok tabl using th to ood scs and ashs hich a povidd as accssois. 3. Install th ai unit t to th valv stting plat ith to scs. 4. Connct th ai hos y. 5. Adjust th ai pssu. (Rf to Adjusting th ai pssu.) Whn installing to a bam 1. Mak hols in th bam as shon in th illustation abov. (Button hol diamt is 5.4 mm.) Pnumatic ok clamp... Pitch 50 mm Rvs ok clamp... Pitch 120 mm 2. Install th ai unit u to th bam ith to accssoy scs i and to bolts o. 3. Connct th ai hos!0. 4. Adjust th ai pssu. (Rf to Adjusting th ai pssu.) Adjusting th spd contoll Th spds at hich th ok clamps a aisd and lod can b adjustd by loosning o tightning th valv contol knobs. Th spds should b adjustd to spds hich a suitabl fo th intndd application. If th upp contol knob is tightnd, th aising spd bcoms slo; if it is loosnd, th aising spd bcoms fast. If th lo contol knob is tightnd, th loing spd bcoms slo; if it is loosnd, th loing spd bcoms fast. Whn th po is tund off, th ok clamps can b opatd by pssing th sitch. NOTE: Pnumatic spcifications Adjust th contol knobs so that th lft and ight ok clamps both opat at th sam spd. Spcifications ith inn clamping dvic Fist, adjust th spd fo th vs ok clamp. (Valv 1) Nxt, tun on th po and thn adjust th spd of th lft ok clamp. (Valv 2) Adjust th contol knobs so that th loing spd of th lft ok clamp bcoms fast than that of th vs ok clamp and th aising spd of it bcoms slo than that of th vs ok clamp. Nxt, adjust th contol knobs so that th vs ok clamp opats mo uickly. (Valv 3) 13 LK3-B434E Mak II

20 3. INSTALLATION Installing th V-blt A Appox. 1 mm B Appox mm 10N 1. Gntly tilt back th machin had, and thn plac th V-blt into th V goovs on th machin had pully and th moto pully. NOTE: Aft tilting back th machin had, do not push th fac plat sid o th pully sid fom abov. 2. Gntly tun th machin had to its oiginal position. * B caful not to clamp th cods at this tim. 3. Povisionally install th accssoy tnsion pully assmbly ith th accssoy flat ash, sping ash and bolt. 4. Adjust th blt tnsion by moving th tnsion pully assmbly to th ight and lft so that th is 9-10 mm of dflction in th V-blt hn it is gntly pushd in th middl ith a foc of appoximatly 10 N. Aft adjusting, tightn th bolt A to scu th lft pully assmbly. 5. Mov th ight tnsion pully so that th is a gap of about 1 mm btn it and th V-blt, and thn tightn th bolt B to scu th ight pully assmbly. NOTE: Us both spcifid V-blt (blt, VM). Th V-blt may sttch slightly hn it is fist usd, so adjust th blt tnsion aft about 3,000 cycls of us. Whn abov blt tnsion is k, this ill b caus of folloing poblms; Nois & vibation bcom lag. Ndl up stop position bcoms unstabl. Eo mssag [E-50] is displayd. Chck that th moto is positiond so that th V- blt is staight. (Fig.1) Sing machin V-blt Moto Fig.1 LK3-B434E Mak II 14

21 3. INSTALLATION Installing th blt cov t u y 1. Loosn th to scs of th upp cov and th to scs of bd cov L. 2. Inst th blt cov t in th diction of th ao, and thn scu it ith th to scs, th to scs and th sc y. * Whn tilting back th machin had, loosn th scs and, mov th sc y and thn mov th blt cov t fist. 3. Attach th ubb plug u to th blt cov Installing th foot sitch [A] y u i!1!0 o!2 t!3!6!4!5 [B]!7!8!9 1. Inst th conncto of th foot sitch into th conncto of th contol box. 2. Install th foot sitch to th ok tabl lg!2 ith foot sitch suppot plat A, foot sitch suppot plat C t, th bolt y, sping ash u, flat ash i, bolt o, sping ash!0 and flat ash!1 as shon in Figu A. If foot sitch suppot plat B!3 is usd in a back-to-font position, it can b usd as shon in Figu. B. 1. Rmov th sc!4 and ubb plug!5. * Not that th sping!6 ill com out hn th sc!4 is movd. 2. Tun foot sitch suppot plat B!3 back to font, and thn install it ith th bolt!7, sping ash!8 and flat ash!9 as shon in Figu. B. NOTE: If using th foot sitch ithout installing it to th ok tabl lg, mov th foot sitch at last 10 mm aay fom th lg. If th foot sitch is not fully in contact ith th ok tabl lg hn th foot sitch is usd, fo xampl, if it is just hookd loosly onto th ok tabl lg, it may caus th sing machin to opat incoctly. If using th to-pdal foot sitch as an option fo solnoid spcifications, chang th stting of DIP sitch A on th opation panl hil fing to Stting th ok clamp mod on pag LK3-B434E Mak II

22 3-18. Installing th moto cov 3. INSTALLATION 1. Install th moto cov to th moto back cov ith th scs and th flat ashs. 2. Pass th moto shaft though th notch in th moto back cov, and thn tightn th scs y and th ashs u so that th claanc btn th moto pully t and th moto cov is unifom. t u y Installing th spool stand Assmbl th spool stand hil fing to th spool stand instuction manual, and thn install th spool stand at th ight sid of th ok tabl. LK3-B434E Mak II 16

23 3. INSTALLATION Installing th ndl sub plat 1. Install th fou ndl sub plat suppots ith th fou scs. t 2. Inst th ndl sub plat fom th font of th machin so that it is lvl. NOTE: Inst th ndl sub plat so that th X fd lv cap sits on top of th ndl sub plat. 3. Install th ndl sub plat ith th fou scs t. 4. Loosn th scs and mak fin adjustmnts to th hight of th ndl sub plat so that it is at th sam hight as th ndl plat y. y o!0 i 5. Povisionally scu th to auxiliay plat suppots u ith th ashs i and th scs o and!0, and thn fimly tightn th scs o and!0 in that od. o u i!0 17 LK3-B434E Mak II

24 3. INSTALLATION Installing th y guad CAUTION Attach all safty dvics bfo using th sing machin. If th machin is usd ithout ths dvics attachd, injuy may sult. Install th y guad assy to th fac plat ith th to scs. LK3-B434E Mak II 18

25 4. LUBRICATION 4. LUBRICATION NOTE 1: NOTE 2: NOTE 3: NOTE 4: CAUTION Tun off th po sitch bfo stating lubicating, othis th machin may opat if th foot sitch is dpssd by mistak, hich could sult in injuy. B su to a potctiv goggls and glovs hn handling th lubicating oil and gas, so that thy do not gt into you ys o onto you skin, othis inflammation can sult. Futhmo, do not dink th oil o at th gas und any cicumstancs, as thy can caus vomiting and diahoa. Kp th oil out of th ach of childn. Fill th machin ith oil hn th oil lvl is don to about on-thid full in th oil sight glass. If oil is not addd and th oil dops blo this lvl, th is th dang that th machin may siz duing opation. B su to lt th machin opat fo a hil aft adding th oil. If th is no mo oil on th flt of th shuttl ac bas, poblms ith sing may sult, so add oil to th flt until it is slightly soakd. Us only spcifid Both oil (Nisski Sing Lib 10) fo th machin oil Lubication points 1. Fill th am-sid oil tank ith oil. * Whn stting up th sing machin and hn it hasn t bn usd fo an xtndd piod of tim, b su to add 2-3 dops of oil at th plac indicatd by th ao. 2. Fill th bd-sid oil tank ith oil 3. Add oil to th flt of th shuttl ac bas. * Whn stting up th sing machin and hn it hasn t bn usd fo an xtndd piod of tim, b su to add 2-3 dops oil to th flt. 4. If using th liuid cooling tank, fill it ith silicon oil (100 mm 2 /s). 19 LK3-B434E Mak II

26 5. OPERATION 5. OPERATION 5-1. Nam and function of ach opation panl itm B430E Sis POWER RESET u i o P PROGRAM NO. X-SCALE Y-SCALE P1 P3 P2 P4 TEST!0 SPEED!1!4 COUNTER t BOBBIN.WIND SELECT y POWER indicato... Illuminats hn th po sitch has bn tund on. RESET sitch... Pss this sitch to st th machin hn an o occus. TEST sitch... Us this sitch hn you ant to opat only th fd mchanism in od to chck a pattn. TEST indicato... Illuminats hn th TEST sitch has bn pssd. t BOBBIN. WIND sitch... Pss this sitch to ind th lo thad. y SELECT sitch... Us this sitch to slct a mnu (pogam numb, X and Y fd, spd and count). Each tim th sitch is pssd, on of th mnu indicatos (u to!1) illuminats, and th stting fo that mnu itm appas in th display!4. Th illiminatd indicato changs as follos ach tim th sitch is pssd. PROGRAM NO. indicato u X-SCALE indicato i Y-SCALE indicato o SPEED indicato!0 COUNTER indicato!1 u PROGRAM NO. indicato... Illuminats hn th SELECT sitch y is pssd to shon th pogam numb stting. LK3-B434E Mak II 20

27 5. OPERATION B430E Sis POWER RESET i o P PROGRAM NO. X-SCALE Y-SCALE P1 P3 P2 P4!3!0 SPEED TEST!1!4 COUNTER BOBBIN.WIND y SELECT!2 i X-SCALE indicato... Illuminats hn th SELECT sitch y is pssd to shon th X-scal stting. o Y-SCALE indicato... Illuminats hn th SELECT sitch y is pssd to shon th Y-scal stting.!0 SPEED indicato... Illuminats hn th SELECT sitch y is pssd to shon th spd stting.!1 COUNTER indicato... Illuminats hn th SELECT sitch y is pssd to sho th bobbin thad o poduction count stting.!2 DISPLAY SET sitchs... Usd to chang th mnu dtails hich a displayd in th indo!4.!3 Us pogam sitchs... Usd to st and slct us pogams.!4 Display indo... This display indo ill indicat th cunt statu fo th slctd mnu, o o mmoy sitch. 21 LK3-B434E Mak II

28 5. OPERATION 5-2. Opating pocdu Ppaation Tun on th po sitch. (Th POWER indicato ill illuminat and th pogam numb ill flash in th display indo!4.) Pogam No. X-scal (%) Y-scal (%) Spd (pm) Factoy dfault 0 * Vaiabl ang * ,000-2,500 * 1 Fo chcking th oigin points fo X and Y fd * 2 Custom-mad pogam Stting th pogam numb Pss th SELECT sitch y until th PROGRAM NO. indicato illuminats. P PROGRAM NO. X-SCALE Y-SCALE SPEED y Pss th DISPLAY SET sitchs!2 until th dsid pogam numb is flashing in th display indo. Dpss th foot sitch to th scond stp. NOTE: Fo to-pdal foot sitch, dpss th ok clamp sitch to lo th ok clamp, bfo dpssing th stat sitch. * Th display ill stop flashing and illuminats stadily, and th fd mchanism ill mov to th sing stat position. 1st stp 2nd stp COUNTER SELECT!2 This complts th stting of th pogam numb Stting th X-scal and Y-scal Pss th SELECT sitch y until th X-scal o Y-scal indicato illuminats. P PROGRAM NO. X-SCALE Y-SCALE SPEED y Pss th DISPLAY SET sitchs!2 until th dsid scal stting is flashing in th display indo. (Th stting is displayd as a pcntag.)!2 Dpss th foot sitch to th scond stp. NOTE: Fo to-pdal foot sitch, dpss th ok clamp sitch to lo th ok clamp, bfo dpssing th stat sitch. * Th display ill stop flashing and illuminats stadily, and th fd mchanism ill mov to th sing stat position. 1st stp 2nd stp COUNTER SELECT This complts th stting of th X-scal o Y-scal Stting th sing spd 1 2 Pss th SELECT sitch y until th SPEED indicato illuminats. P PROGRAM NO. X-SCALE Y-SCALE SPEED y Pss th DISPLAY SET sitchs!2 until th dsid spd stting is flashing in th display indo. NOTE: * B su to chck th sing pattn (f to pag 25) aft stting has bn compltd to mak su that th ndl hol dos not go out of th aa cicumscibd by th ok clamp. * Th ndl acking idth fo backtack stitchs (ith stitch idths of 1 mm o lss) is not nlagd o ducd. If this sults in poblms, st mmo-0d to ON. COUNTER SELECT!2 LK3-B434E Mak II 22

29 5. OPERATION 5-3. Opating th foot sitch Singl-pdal foot sitch (to stps) Whn th foot sitch is dpssd to stp 1, th ok clamp is lod, and hn it is dpssd to stp 2, sing stats. 1st stp 2nd stp To-pdal foot sitch (on stp + on stp) Whn th ok clamp sitch (lft sid) is dpssd, th ok clamp is lod, and hn th stat sitch (ight sid) is dpssd, sing stats. Stat sitch Wok clamp sitch 1st stp 2nd stp Stat sitch Wok clamp sitch To-pdal foot sitch (to stps + on stp) * Fo pnumatic Whn th ok clamp sitch (lft sid) is dpssd to stp 1, th ok clamp on on sid is lod, and hn it is pssd to stp 2, th ok clamps on both sids a lod. * Th ok clamp loing pattn can b st to a vaity of diffnt pattns. (Rf to 14. SET- TING THE WORK CLAMP MODE. Whn th stat sitch (ight sid) is dpssd, sing stats. 23 LK3-B434E Mak II

30 5-4. Opating th mgncy stop sitch 5. OPERATION If th mgncy stop sitch is pssd hil nomal sing o tst sing is bing caid out, th sing machin ill immdiatly stop opating. Cancling an mgncy stop 1. Tun th mgncy stop sitch clockis and thn pull it out to las th lock. 2. Pss th RESET sitch on th contol panl. * Th lctonic alam ill stop sounding. 3. If not joining a n thad, pss th RESET sitch onc mo so that th display panl flashs. Tun th pully by hand to st th ndl to th ndl up stop position, and thn continu ith sing. RESET BOBBIN.WIND TEST Continuing sing fom a stopping point If th mgncy stop sitch as pssd bcaus a thad bakag occud o th lo thad an out, sing can b sumd fom th point h th thad ndd. 1. Tun th mgncy stop sitch clockis and thn pull it out to las th lock. 2. Pss th RESET sitch on th contol panl. * Th lctonic alam ill stop sounding. 3. Pss th BOBBIN. WIND sitch to tim th thad. 4. Pss th BOBBIN. WIND sitch onc mo. * Th ok clamp ill mov backad on stitch at a tim hil this sitch is bing pssd. If th ok clamp movs back too fa, pss th TEST sitch to mov th ok clamp foad. Pss th TEST sitch onc mo hn you ould lik th ok clamp to stop. 5. Onc th ok clamp has tund to th dsid position, dpss th foot sitch. Th sing machin ill thn sum sing. LK3-B434E Mak II 24

31 6. CHECKING THE SEWING PATTERN 6. CHECKING THE SEWING PATTERN Whn chcking by opating only th fd mchanism 1. Tun on th po sitch. (Th POWER indicato ill illuminat and th pogam numb ill flash in th display indo.) 2. Pss th TEST sitch. (Th TEST indicato ill illuminat.) TEST 3. Dpss th foot sitch to th scond stp. * Fo to-pdal foot sitch, lo th ok clamp bfo dpssing th stat sitch (ight sid). (Th fd mchanism ill mov to th sing stat position and th pogam numb ill stop flashing.) * This opation is only caid out th fist tim that a pogam has bn slctd o th siz atio has bn changd. 1st stp 2nd stp 4. Dpss th foot sitch to th scond stp. Only th fd mchanism ill mov. [Chck that th ndl hol dos not potud past th fam of th ok clamp.] * If you dpss th foot sitch again and kp it dpsss aft th fd mchanism has statd to mov, th fding spd ill incas. * If you ould lik to stop th fd hil it is moving, pss th TEST sitch. 1st stp 2nd stp 5. Pss th TEST sitch. (Th TEST indicato ill sitch off and th tst mod ill b clad.) TEST 6. Dpss th foot sitch. Th ok clamp ill is and th ppaation fo sing ill b compltd. To nsu safty duing us... You can pvnt accidntal changs bing mad to pogams by stting DIP sitchs 7 and 8 to ON. Whn DIP sitch 7 is ON... Th sing pattn cannot b nlagd. Whn DIP sitch 8 is ON... Th pogam numb cannot b changd. 25 LK3-B434E Mak II

32 7. CORRECT USE 7. CORRECT USE 7-1. Slcting th ndl and thad Diffnt ndls and thads a usd fo diffnt sing applications. Rf to th tabl at ight fo dtails on hich ndl and thad to slct. NOTE: Fo inn clamping dvic, us only th DP 17 ndl. Ndl DP 5 #14 DP 17NY #19 Thad #80 - #50 #50 - #20 Main application Mdium matials Havy matials 7-2. Installing th ndl CAUTION Tun off th po sitch bfo installing th ndl, othis th machin may opat of th foot sitch is dpssd by mistak and sious injuy could sult. Loosn th st sc, inst th ndl as fa as it ill go so that th goov is facing toad you, and thn tightn th st sc Thading th upp thad CAUTION Tun off th po sitch bfo thading th thad, othis th machin may opat if th foot sitch is dpssd by mistak and sious injuy could sult. Thad th upp thad coctly as shon in th illustation blo. * If th tnsion las lv is aisd in th diction of th ao, it ill b asi to opn th tnsion disc and pull th thad though. [To hols] Spun ayon yan [On hol] [Whn using th liuid cooling tank] Synthtic thad 9 Appox. 40 mm LK3-B434E Mak II 26

33 7. CORRECT USE 7-4. Winding th lo thad CAUTION Do not touch o plac anything against any of th moving pats hil inding th lo thad, othis psonal injuy o damag to th machin may sult. 1. Plac th bobbin all th ay onto th shaft. 2. Thad th thad as shon in th illustation at ight, ind th thad aound th bobbin sval tims in th diction of th ao, and thn pss th bobbin pss. 3. Tun on th po sitch. (Th POWER indicato on th opation panl ill illuminat.) 4. Chck that th ndl is not touching th pss foot, and thn hil pssing th BOBBIN. WIND sitch, dpss th foot sitch to stat th machin. Kp dpssing th foot sitch until th lo thad stops bing ound onto th bobbin. Rlas th BOBBIN. WIND sitch aft th machin stats opating. If you las th foot sitch bfo inding is compltd, dpss it onc mo hil pssing and holding th BOBBIN. WIND sitch. BOBBIN.WIND 5. Th bobbin pss ill automatically tun to its oiginal position aft a st amount of thad (80-90% of th bobbin capacity) has bn ound on. 6. Rlas th foot sitch. 7. Rmov th bobbin, hook th thad onto th knif, and thn pull th bobbin in th diction of th ao to cut th thad. 8. To ind mo thad onto th bobbin, loosn th st sc t and pull th bobbin pss outad. t <<If th thad inds onto th bobbin unvnly>> If th thad inds onto th bobbin unvnly, loosn th nut and tun th bobbin ind thad tnsion stud to adjust. * If th thad inds on as shon in A, tun th bobbin ind thad tnsion stud clokis; if it inds on as shon in B, tun th bobbin ind thad tnsion stud countclockis. Cas A Cas B 27 LK3-B434E Mak II

34 7. CORRECT USE 7-5. Rplacing th bobbin cas and thading th thad CAUTION Tun off th po sitch bfo moving and placing th bobbin cas, othis th machin may opat if th foot sitch is dpssd by mistak and sious injuy could sult. 30 mm Pull th shuttl ac cov toad you to opn it Sing conditions and thad tnsion Inst a n bobbin into th bobbin cas, and thn pass th thad though th slot and pull it out fom th thad hol. Chck that th bobbin tuns in th diction of th ao hn th thad is pulld at this tim. Pass th thad though th lv thad hol, and thn pull out appoximatly 30 mm of thad. Us Upp thad Lo thad Upp thad tnsion (N) Mdium matials Standad hook #50 o uivalnt #60 o uivalnt Lag hook Standad hook #30 o uivalnt #50 o uivalnt Havy matials Lag hook Lo thad tnsion (N) Thad tak-up sping hight (mm) Thad tak-up sping tnsion (N) P-tnsion (N) Ndl DP 5 #14 DP 17NY #19 Th sing conditions givn in th abov tabl may nd to b changd dpnding on th aticl bing sn. LK3-B434E Mak II 28

35 7. CORRECT USE Guid to maximum sing spd <Standad hook> Us 8 lays of dnim 12 lays of dnim Odinay matials Max. sing spd (pm) 2,500 2,300 2,500 NOTE: Th thad may bak du to hat und som sing conditions. If this happns, duc th sing spd, o us th liuid cooling tank (option). <Lag hook> Us 8 lays of dnim Odinay matials Max. sing spd (pm) 2,500 2, Lo thad tnsion Adjust th thad tnsion to th akst possibl tnsion by tuning th thad tnsion nut until th bobbin cas ill not dop by its on ight hil th thad nd coming out of th bobbin cas is hld. ak stong Upp thad tnsion Wak Stong Tun th tnsion nut (main tnsion) to adjust th tnsion as appopiat fo th matial bing sn. Futhmo, tun th thad nut (sub-tnsion) to adjust th maining lngth of upp thad to mm, hn th thad tak-up lv is not usd. Stong Wak 29 LK3-B434E Mak II

36 Thad tak-up sping hight Thad tak-up sping tnsion 7. CORRECT USE Lo High Stong Wak Loosn th st sc and tun th tnsion body to adjust th thad tak-up sping hight Adjusting am thad guid R Bcom gat Bcom lss Th standad position of am thad guid R is th position h th sc is in th cnt of th adjustabl ang fo am thad guid R. To adjust th position, loosn th sc and thn mov am thad guid R. * Whn sing thick matial, mov am thad guid R to th lft. (Th thad tak-up amount ill bcom gat.) * Whn sing thin matial, mov am thad guid R to th ight. (Th thad tak-up amount ill bcom lss.) Thad tak-up amount Loosn th sc and mov th stopp (3.57 nut) to adjust th opating angl of th thad tak-up solnoid. * To duc th thad tak-up amount, mov th stopp upad. * To incas th thad tak-up amount, mov th stopp donad. Bcom lss Bcom gat LK3-B434E Mak II 30

37 8. SEWING 8. SEWING CAUTION Tun off th po sitch at th folloing tims, othis th machin may opat if th foot sitch is dpssd by mistak, hich could sult in injuy. Thading Whn placing th ndl Whn not using th machin and hn laving th machin unattndd. Do not touch any of th moving pats o pss any objcts against th machin hil sing, as this may sult in psonal injuy o damag to th machin. Bfo stating sing... Chck that th ndl ba is at its highst position. Tun th machin pully so that th indx mak on th pully is btn th maks on th blt cov. * If th machin pully stop position is incoct, o E-50 may b displayd, o th ip may com into contact ith th ndl and bak th tip of th ndl. 1. Tun on th po sitch. (Th POWER indicato ill illuminat and th pogam numb ill flash in th display.) 2. Dpss th foot sitch to th 2nd stp. * Fo to-pdal foot sitch, dpss th stat sitch (ight sid). Th fd mchanism ill mov to th stating position and th ok clamp ill is. * Not that if th foot sitch is pssd to th 2nd stp hil th display is illuminatd, th machin ill stat opating. 1st Stp 2nd Stp 3. Plac th matial to b sn und th ok clamp, and thn dpss th foot sitch. Whn th foot sitch is pssd to th 1st stp, th ok clamp ill lo. If you ould lik to shift th position of th matial, las th foot sitch. Th ok clamp ill thn is again. Whn th foot sitch is pssd to th 2nd stp, th machin ill stat opating. * Fot to-pdal foot sitch, dpss th ok clamp sitch (lft sid) to lo th ok clamp bfo dpssing th stat sitch (ight sid) in od to stat th machin. 4. Onc sing is compltd and th thad has bn timmd, fd ill mov automatically to th nxt stating point and th ok clamp ill is. 31 LK3-B434E Mak II

38 9. MAINTENANCE AND INSPECTION 9. MAINTENANCE AND INSPECTION CAUTION Tun off th po sitch bfo caying out claning, othis th machin may opat if th foot sitch is pssd by mistak, hich could sult in injuy. B su to a potctiv goggls and glovs hn handling th lubicating oil and gas, so that thy do not gt into you ys o onto you skin, othis inflammation can sult. Futhmo, do not dink th oil o at th gas und any cicumstancs, as thy can caus vomiting and diahoa. Kp th oil out of th ach of childn Claning th otay hook 1. Pull th shuttl ac cov toad you to opn it, and thn mov th bobbin cas. 2. Opn th stting cla in th diction indicatd by th ao, and thn mov th shuttl ac body and th shuttl hook. 3. Clan all th dust and thad nds fom aound th div, th top of th otay hook thad guid and th shuttl ac. LK3-B434E Mak II 32

39 9. MAINTENANCE AND INSPECTION 9-2. Lubication NOTE1: NOTE2: NOTE3: NOTE4: Fill th machin ith oil hn th oil lvl is don to about on-thid full in th oil sight glass. If oil is not addd and th oil dops blo this lvl, th is th dang that th machin may siz duing opation. B su to lt th machin opat fo a hil aft adding th oil. If th is no mo oil on th flt of th shuttl ac bas, poblms ith sing may sult, so add oil to th flt until it is slightly soakd. Us only spcifid Both oil (Nisski Sing Lib 10) fo th machin oil. 1. Fill th am-sid oil tank ith oil. * Whn stting up th sing machin and hn it hasn t bn usd fo an xtndd piod of tim, b su to add 2-3 dops of oil at th plac indicatd by th ao. 2. Fill th bd-sid oil tank ith oil. 3. Add oil to th flt of th shuttl ac bas. * Whn stting up th sing machin and hn it hasn t bn usd fo an xtndd piod of tim, b su to add 2-3 dops oil to th flt. 4. If using th liuid cooling tank, fill it ith silicon oil (100 mm 2 /s). 33 LK3-B434E Mak II

40 9. MAINTENANCE AND INSPECTION 9-3. Daining th oil 1. Rmov and mpty th ast oil contain hnv it is full. 2. Aft mptying th ast oil contain, sc it back into its oiginal position Claning th contol box ai inlt pot Us a vacuum clan to clan th filt in th ai inlt pot of th contol box at last onc a month. * If th machin is usd hil th ai inlt pot is blockd, th insid of th contol box ill ovhat. Whn this happns, th ovhating o cod ( Ed0 ) ill b displayd and you ill not b abl to opat th sing machin Claning th y guad Wip th y guad clan ith a soft cloth. NOTE: Do not us solvnts such as kosn o thinn to clan th y guad Chcking th ndl Alays chck that th tip of th ndl is not bokn and also th ndl is not bnt bfo stating sing. LK3-B434E Mak II 34

41 10. STANDARD ADJUSTMENTS 10. STANDARD ADJUSTMENTS Maintnanc and inspction of th sing machin should only b caid out by a ualifid tchnician. Ask you Both dal o a ualifid lctician to cay out any maintnanc and inspction of th lctical systm. Tun off th po sitch and disconnct th po cod fom th all outlt at th folloing tims, othis th machin may opat if th foot sitch is dpssd by mistak, hich could sult in injuy. Whn caing out inspction, adjustmnt and maintnanc Whn placing consumabl pats such as th otay hook and knif Adjusting th ndl ba hight CAUTION Hold th machin had ith both hands hn tilting it back o tuning it to its oiginal position. Futhmo, aft tilting back th machin had, do not push th fac plat sid o th pully sid fom abov, as this could caus th machin had to toppl ov, hich may sult in psonal injuy o damag to th machin. If th po sitch nds to b lft on hn caying out som adjustmnt, b xtmly caful to obsv all safty pcautions. If any safty dvics hav bn movd, b absolutly su to -install thm to thi oiginal positions and chck that thy opat coctly bfo using th machin. a A (DP 5) DP 17 Tun th machin pully to mov th ndl ba to th lost position. Thn mov th ubb plug, loosn th st sc and thn mov th ndl ba up o don to adjust so that th scond fnc lin fom th bottom of th ndl (fnc lin A) is alignd ith th lo dg of th ndl ba bush. * If using a DP 5 ndl, us th highst fnc lin (fnc lin a) Adjusting th ndl ba lift amount t t b B (DP 5) DP 17 t Adjust th ndl ba lift amount as dscibd blo so that th tip of th otay hook is alignd ith th cnt of th ndl hn th machin pully is tund to ais th ndl ba fom its lost position until th lost fnc lin on th ndl (fnc lin B) is alignd ith th lo dg of th ndl ba bush. * If using a DP 5 ndl, us th scond fnc lin fom th top of th ndl (fnc lin b). 1. Opn th suppot in th diction of th ao, and mov th flt suppot. 2. Loosn th sc, and mov th div to adjust so that th tip of th otay hook is alignd ith th ndl cnt lin. * Whn tuning th flt suppot, plac it as shon in th illustation so as not to clamp th flt t, and thn gntly pss th flt t and th ick y until thy a at th sam hight as th otay hook ac. * Rtun th suppot to its oiginal position. 35 LK3-B434E Mak II y

42 10. STANDARD ADJUSTMENTS Adjusting th div ndl guad Ndl cnt lin Tip Tun th machin pully to align th tip of th otay hook ith th ndl cnt lin. Thn loosn th st sc and tun th ccntic shaft to adjust so that th div ndl guad contacts th ndl. If th ndl contact pssu is too gat, skippd stitchs may occu. On th oth hand, if th div ndl guad is not touching th ndl, th tip of th inn otay hook ill obstuct th ndl, sulting in an xcssivly high amount of fiction Adjusting th ndl claanc mm Tun th machin pully to align th tip of th otay hook ith th ndl cnt lin. Thn loosn th st sc and tun th ccntic shaft to adjust so that th claanc btn th ndl and th otay hook is mm Adjusting th shuttl ac thad guid Install th shuttl ac thad guid by pushing it in th diction of th ao so that th ndl goov is alignd ith th cnt of th ndl plat hol. NOTE: If th shuttl ac thad guid is in th ong position, thad bakags, soild thad o catching of th thad may occu. LK3-B434E Mak II 36