重機(jī)780系列平頭鎖眼機(jī)說明書資料

1、JUKILBH-781 -LBH-782LBH-783-LBH-784使用説明書為了安全送便用 81您在使用之肺一定使用説朝會(huì)另外 SI您注用脫明 以便強(qiáng)餡Al# oNo.0129300001蛋要安全事項(xiàng)此期紉感生幻的5H家（投賣場(chǎng)斷）由於垓盛的安全規(guī)定而披篥止使用同時(shí)技術(shù)服務(wù)也同 糅眾累止1 使用此時(shí)必劣越守包括如卜項(xiàng)旦的基本安全招施。2. 便用吐絞切毀之腫滯閤本便用蛻明吉在內(nèi)的所有蓿示文件同時(shí)説明褂 妥苕保管以便能夠霜時(shí)克関3. 與貢祈的有無安全規(guī)定一起便用久便用此紉嫌期作中所有的安全菠國慮安強(qiáng)到規(guī)定的位賈沒有安裝規(guī)定的 安全裝宜的縫紅樓京止雯用5. 此atws由揍受妁塔訓(xùn)的操作人只來換作

2、。6使用縫紉概閭建SR戴安全防綏眼與，7.叢生下列惰況時(shí)應(yīng)立則關(guān)掉置檸開羽-或拔=毛滾綠捕頭。7-1楓針、錚針分肅器等穿躲和更換竝技跨，72 .電橫檢針、蕊榊針扳彎針分遵器送布牙護(hù)針番、支架布導(dǎo)向器等說 7-3修理時(shí)7,工作場(chǎng)所無人了或紙開工作場(chǎng)所時(shí)宣用昭含國栓時(shí)詰尊待幄逮完全停止之後再M(fèi)L行&羥切柿以及使用的視油例灣脂等液證流入眼睛或沾到皮WR KIS飲W 應(yīng)立ED灣洗有躍部份並去書院治眾9京止用手話攜訂吐了毎紉極開關(guān)軸電的孚件或裝百。io有as維刼費(fèi)的修齊、改毎由受辭門訓(xùn)按的技術(shù)人，員豉頌家來逵行。11 一般的雖停塚養(yǎng)瘠由受百訓(xùn)播的人貝來進(jìn)行。】2玄韻鍛妞嫩的電氮方面的修理第修應(yīng)由有資格的

3、1氛技術(shù)人員戒沖家的監(jiān)管和抬珥F 逵廳】3緋理保茶化開空氣氣缸*燼柯空妃的尊件畤應(yīng)切財(cái)空氨愛縊醱供氮源後再煨廳 如玄殘陽壓胡空氮時(shí)玉敦掉邸躍空氯但受過旳當(dāng)訓(xùn)統(tǒng)的技術(shù)人員或?qū)＜疫M(jìn)行右豹39整或確認(rèn)動(dòng)作時(shí)陰外14 線紂慷的使用定期逢行清掃15為了正常安全連轉(zhuǎn)應(yīng)安裝地線。同睛膽在不受海損焊接機(jī)導(dǎo)強(qiáng)噪音蹤老的環(huán)境下便 用。16.0源插頑匝同具有?8筑卻門知6的人來安裝-H源描頭必須速檢到接地插座上。17綠刼樣播定用繪以外不能便用】&的改）8、變更81住合安全規(guī)格竝棵取盲效的安另外對(duì)於有關(guān)改 和變更JUKI公司槪不負(fù)費(fèi)】9.本便用説明晉上採用以下2個(gè)警吿總號(hào)。有損傷操作人員維修人員的危險(xiǎn)安全上筒要特別加

4、以注意的事項(xiàng)。為了安全地使用LBH縫細(xì)機(jī)的注意事項(xiàng)L ATW止人4事故茫發(fā)生清不要疋手推放列壓何切刀和極択的附近2. 為了肪止突然的思成人車玫放慍at址徼爲(wèi)幀皮廚罩ITV竜皮弗斧漬一定H沖必3. 莒了防止被卷入懂存的人astt 涪兢織丼傅中聖次壬黑手?jǐn)r、衣股祥遼慶帑輪 v形 皮葦民進(jìn) zs?ws分也不要把k西放列槻為上謝4. A了防止人自礪敬的牛.擠不建芷算下穫弔防護(hù)章IR睛防謬辭幫安全矢胃的蔽命下曹即拚 刼減5. 為了P5止人身爭(zhēng)故的發(fā)生族倒tl旳嘆駆四匣來位*耳*餐巴意不要夾住手 6 A了訪二備享故卸下統(tǒng)瀕心的狀態(tài) 7.為r防止fw帝和發(fā)壞電抵寫件拔重漁於播戲吟済先wws?qw 8為了訪止

5、Ifl境寧勺誥成的爭(zhēng)故打雷芳舘停止作縈主対盹君摘禎保安全9. atw止損wnAfU的敖從聲冷的地方急縫地移騎畫3和的地方卸 tsueff 待水 濟(jì)先全就說再打閱電io.為了防止損壞寫件成的事故停時(shí)縮一定*T 電 T t. I XV、 f ” ，.彳L Z*. p flf UJUt的 安發(fā)方Ji 3. - X “X. ” e4平皮帶的掛法5. 皮希F53m的安眞*折卸 6. 線聚的安裝一iii-，8艮 針的安鬢方法9住鍛的安眞方空10底魏的絹鯨方法I （歲 Li I ，）2 I ! e ! .13. 伍速和聚念停止 i-14. 一“_一一I* . . * . *7”,J - - e*w o *

6、*im18 It兵ST （迭布）的I 9 Y0 -iX, x yxx 20/戦之庫和加囿以244認(rèn)甚Hfirn的詞整“- 21孫數(shù)的計(jì)敗方法*丫x.rew I 0x. z1 1 】2 * 13 4 * Mae * ” * IS* 16 * 17 17 19 20212123 機(jī)士和樊後的佬一-24 檢將倫弛瑋期的羽整25 轅心出憐的赫用26.慮辣繪竦裝買的斎轅一27 沱摘彩的調(diào)力28上廉切館的狷整-29.底就MJ刀的WtIff *-*3a上披切損酚作曲帥和限制板的澗整31 切刀裕刀時(shí)期的類矗3乙程關(guān)璉乂的故5#、匣因及處更方法33的藝以外的故障原因及處理方總） X * 23 24 * - *

7、. 26. .26tn:龍 How to install motor pulleyPtacQ motor pulley O mto th motor shaft so that flat par 0 o( the motor shaft aligns Mth first setscrew O secure ytjhten setscrews OandO 皮用II的安i主崗繪戌妁怕當(dāng)庁坷!？軸的平坦13人汕第：因足滋 *桂入。煞廈緊ft定姒沁l. S便用罩租或三怡的4梅J00R馬規(guī)(如集便用250 W%鋰并0J理;3弟制在毎分3,100)2畫用MSV形皮帶。3宅金皮話給和V彩皮笹昱麥、蚣刼桃創(chuàng)噫

8、的訶佞如下所示砂國8 (rpm)Sewing speed (rpm)Hz毛一夕 7-9CDES Moloc puily part No.高 ilVJl/b High speed V beit (mm)任速Vi卜 Low speed V belt (mm)3.60050B7262-781-000A45(1143)42(1067)60B7263-7B1-0C0A43(1092)41 (1041)3.30050B7256-781-0C9A44 (1 1 18)42 (106刀60B7257-781-OOOA43(1092)42 (1067)3.00050B7253.791O00A44(1 118)4

9、2(1067)60B7254-781-0C0A42(1067)41 (1041)2.80050B7258-781-OOOA43(1092)42(1067)60B7259 781-OOOA41 (1041)41 (1041)(VJL: MTJVM00 00. CD：VK)S?(V-belt Par number MTJ-VF.W0 匚口 g 匚口 V-belt lengih)臨嘈皮鉗的目燎2曲V形變S 低ItV多慶咎(V形皮槍琵貸豪：MTJ.VM00匚00 心 V形反幣的貝度)毛一夕7-U Motor pultoy食V用皮褂踽法比島速V杉皮單樽到冬熄皮命給心駡建用信綸的大直壓部上1把低竦V形皮尊

10、檢到吒連皮需輪Ofc昭還友帶輪的小玄徑約上J.用手I?電檢8! V矛皮簾的中央哲使雙廈為lOmm左右左右移動(dòng)虔建建行次整。 bZ% 才時(shí)D使用taU /Screws used for set up/ 肢般詩便用的絲2. 5/7夕一駆動(dòng)已（組）O取。付 1/Attaching the shifter driving pin（asm.） 屛降KI勧幽（組件）的安裝D把期的斜漏瘠涂到畀RHI越鞘（組件）的痢子和 肖畫椅妙01 怎雀榮起來。（樁照舉3）2）把昇澤棧HF :帶件）月忸好0固定手頭序 上3）護(hù)JW動(dòng)超臺(tái)。冃事球勾定対慮照耳首面。運(yùn)時(shí)昇 糾整越殆也上下動(dòng)作呱喇4）妃&載肛安菠劉異惟ft；動(dòng)飼

11、上。3.滅速At (組)上夕一土臺(tái)(組) by screw O 4) Attach shifier wnsion spring O to shifter stopper bracket (asm.) 0 arxj sniner ion創(chuàng)on spnng dracket 0 ot tho shifter stopper base (asm ).1) 芒恆殖越稈？1背而2) It養(yǎng)歡疋低球莽(姐件)同定繪來3) 用卿處兇定好昇澤器(凱件)4 JL昇烽理拉賛0掛到減也器(組件)的昇陡器止勤 臺(tái)0和畀洋號(hào)臺(tái)座(老件)的箱詢上。彊力皮帝喰組件的安裝4. 7y3yy7S/ a y7-U -() ICWZ忖

12、(ruSAftU卍18定(參9 夕頭眇一乂座7工兒 卜乞取。付療未 V?夕一eyT位I；：忙滅花広布L/C竝H/又.3 夕一夕一丄：/受1九021；豪布 ur 砂魅器ms動(dòng)踏和綃臺(tái)上滴姐at的需*廟滋。 另外也向畀忌器社俏前和的a絲頭 上荊遇第肌高濡話注J結(jié)合取付l/lnstalllng the tension pulley coupling5頭部(組)取 0忖 /Installing the machine head base (asm.)1) 亍一力1/0庭油穴(02 5)因乙油2) 上K2頭砂J7U組)乙亍一 力1/下卜(平牙金總呻用)TWK rirruyo1) Fix dram knn

13、el to tha drain hole (025) m tfie tabo by wood screw O .?) Placing the machine head base (asm ) on lhe table, fix H by tightening nut O (flat washer O 0 U6ed from the bottom of the tabte1) 把油袴用木4并Q刈定到根臺(tái)的姦泊孔0 25) 部.2) 出艮刃瞪(血件)歡r鞍弓上從嚨行弔譏珂 (卻舉片：囲定好6. 壬一夕一O取0付/Installing the motor/ 的安裝1）壬一夕一S花壬一夕一&KZ13l

14、卜co締0付（九3下卜聲取D付I力tM卜冊(cè) 取9付 17401/卜力9. 5 mm1）Install moior on motor base O by screw Q （flat washer O、spring washer O . and nut are used）.2）Placing spacer between the taW bottom erxl the motor base, fix the motor base by installing bolt （a flat washer O and nut O a-e used） Tighten the nuts so that the

15、皿創(chuàng) nut is lovelled 腫th th end of bolt or bo t O projects by 0.5 mm1）把様0囹定超01平蹇片和聲畫墊、即9 安裝到騰祛應(yīng)0上2）把聖疣O友到慨臺(tái)下直和靂出莊之IU! 甲安除歡檢 （平墊門砧同定好馬II 蜻刖歸安快歡性瀆下少的螺母空 好我犁安我甥栓蛭徨突出05mm I排抻彊臺(tái)腫祂密（25廠的愧焉用木2 3莊（WaWtfrt）安賓到壌頭ha把朋頭魏變或臺(tái)上的4中衣凍幾然棧收上4個(gè)）4把雖53座放到上IfiJ 從樓臺(tái)卜創(chuàng)用爐呦掙聚固定s把s形金aiwOjhflfflIS（理復(fù)方安#的超動(dòng)班上堆孩縫修益安55fJCM75N上6把怡片枚到

16、儀僂徨然後播彌勺懂頭師矗懂把14鈔復(fù)朕戲到tfiM瀆一 7 5IE池it吸入D往從機(jī)座支柱宜下拉出23皿 （S用A可以觸整丿R安5?完槪誡拎如下萬法SEffi起物琨涸詢抹垃於分WW後向後方按堡起動(dòng)環(huán)10 用媒母把11和12的就fiU覧猿命05:mm 比時(shí)1W提則歿環(huán)和亡動(dòng)班曲軸卻闔聞$05mm。4平卜雨陸7ATTACHING THE FLAT BELT/平皮帶的掛法1 0Ti*O 從強(qiáng)鹽協(xié)鉤上即卜并艮（比功禍不夬生震頭方立按鑿趕動(dòng)安全曲桿12 如果錯(cuò)技了 起紂安全曲殍12不能向埃沱對(duì)諮擔(dān)鬆第1渙冬力桿味母鬆駕竟】慝螢力料賽起勤安全壯吟毛PJ後拉 然後左分孽痔再次淮行鍛定。）1淚皮帑的舛動(dòng)方向和

17、茹頭A ft膠進(jìn)皮舒卡O寧再那刑皮帶輪上I iEM妖和井35安賢到辰來的位買。4. 方血箱圮為拇舁撈樸程何B和綢AN間穹皮葩：5吃皮帝掛賓就連岔傅的枝荷提界滯上再吃皮帝樹更麥力2上6足*1足爪戲刑窗愷的刮SR第?個(gè)彌上蟲聖皮弟（注JV）平皮wnflia 漁度曼化生若干伸*安發(fā)特不容易電上但昆便用看住恢宦到原來的艮度因此不用病心，5尺兒卜力八一CD取。付I九取0外1/AINSTALLAT10N/REM0VAL OF BELT COVER/ 皮帶防廢罩的安裝拆卸tPf卜力八一妙川總強(qiáng)芒比丿&rz七音勺巧召求疋于印方沏wi/卜力丿（一壬捋嘰 取。外劉竊今農(nóng)反矢印萬向 wi/卜力八一總侄 上入抜Ali

18、gning guioe m O wrth hole O m tett cover .push the belt cover in the arrow dieciion urtil it snaps.For removal oftno bon cover, txing （town tho belt cover in the direction opposite to the arrow. and siido it up.把反彼防後罩0的QA對(duì)朮尊冊(cè)往薛頭方戲按出皮帶 訪博2T 丸負(fù)再見喀瞅的ttfr FiflE畤杞皮帶吋跟行胖還應(yīng)方向啪臣方向放宦然矗 向上拔出7給油/LUBRICATION/加油

19、* Before starting the machine:1 Fill the oil reservoir with JUKI New Defrix Oil No. 1 up to the level indicated by *HIGH.BZ When the machine s operated after the oi reservoir has been (sited with oil. no OH ;s seen to run through Ite two pipes from oil s.ght vbindow O as far as the seeing machine is

20、 normally lubricated. (Low speed operation permits easier ooservaiior of the lubricating ollj H drty oil is u$eo. dust will accumulate on trie lubrication rol pads shown In the fgure. impairing smooth flow oftheoS from the machne. In the case it b necessary to drain the ol from the machine base and

21、til il wth fresh o)l and to renove the ft pads and wsh itwn dean3. H the oil gets stained, kxxsen drain screw O to dFin the dirly ori from the machine oase arxl fill d will fresh oil.転 前 k:1 質(zhì)部7J 97.才彳兒No.l $HIGH入2注油後渭滑/正倉2B5【丈 油本妙77（舛T 3Zfe0Z/ 見（転速逵転歹召七；旳勤?/rQ7：洗浄l/cn.3 油獷汚n/t5.斷l(xiāng)a、L IFINo.1 JUKI費(fèi)權(quán)

22、油加入列他泗：列II1GH標(biāo)記2. 加枯髮建!般攪摘槽止為轉(zhuǎn)懇能右劉皚窗甩的2rsff 中有（低邊運(yùn)均楚W得葦劇消楚）注駢了之後積存封加淮走說0上會(huì)堵塞祐管 油茄請(qǐng)花池相力的祜福茨新的前MJ下況池斛氈稲洗 干淨(jìng)3. 池I污之後請(qǐng)律嗾致柚以恥協(xié)出衲並!fttrtfl 濁 Adjusting the lubrication for the sewing hookAdjust the volume o? lubricating oil supplied to the sewing hook by turning oil adj usttng sc *ews for rough adjustmeri,

23、 and Q for fine adjustment; oil volume is reduced when turning the screws clockwise. Other lubricating points1 Apply one or two drops of lubncating ori to the arrowed pomts once a wt?ek or every othoc eek.2. Apply two or three drops ol lubricating oi only io O point when the machine is newly sol up

24、or has boon out of use for a long me.scofflawi：乞(D他(Z)注泊1. 12週囲回.矢印注油2. 鷹5叵5/次衣加/艮期間到和用7TV哺氏別亡338注；1/$ 0.為唆油的演懷用*J節(jié)爐緣凋眄大炭後的泊G1 戸JUSfiJf魚電廳皺IE調(diào)茹妖絳往裡I*油串程夕。其他加油I. 毎I2刊往御圻示的*fe方機(jī)衲1次毎次加袖12 禱2斯H鈕琥或很久沒右雙用的蓋創(chuàng)攝莊便嗎A清拄 A部加社23濟(jì)歿柏。8.針CD取0付LT方/INSERTING THE NEEDLE/様針的安裝方法nDPx5J5 用。求1. 針止針部力手前艮1；: Scfcoic 持52. 針7

25、WjiG：5?e當(dāng)n：石左深差1/込a久3. 針止Use a DPx5J needle1. Loosening needle setscrew O. hold needle with its recessed pa! lacing toward the operator.2. insert the needte tuly into the nee3 糸賽內(nèi)o總矢印方向m押糸tfsijnsy.4糸郃八分目位港1了2/刃乙58ffjrv/ b05.綢節(jié)131；35tt.下糸案內(nèi)2壬勤辦2乙正IX額才召何K： usr.1. Fit a bobbin onto the bobbm winder sha

26、ft.2. Tako the thread from ttie spool and pass it through the gudes in the numencal order shown in the figure and wind the end of tho thread several turns around the bobbin3 Push the bobbin winder trip latch O In the arrow direction, and the bobbin wil be wound.4. Loosening the adjusting nut, perfot

27、n adjustment by screwing in or out the adjustvg screw 0 so that the bobbin B wound about four fifth, full.5. If the bobbin is wound unevenly, adjust the position of the bobbin winder tension bracket O for proper and even windrig1 把後心播列娛磔上1刎系示世行5?粽並心上魏幾詔3. 俞頭方劇按愎心9US箜0raw 4停趙鋼此那洱心的so%。5刎采標(biāo)級(jí)褂說脅猜芒應(yīng)痔粵務(wù)*

28、殄動(dòng)到正碓的位 1 1 入tl方/ATTACHING THE BOBBIN/ 梭心的安裝方法1 初左入ru2. 糸週J創(chuàng)! 9 -toss糸藝引axKo（cb*t.1 Hold and place a bobbin into the bobbin case so that the bobbin Is wound counterclockwise.2 Passing tte thread through thread outlet O of the bobbin case puN the thread, and the thad can bo drawn out from thread outl

29、et 0、passing undor the bobbm winder tension spring.* Sot the bobbin so that it rotates m ttw arrow direction von the bobbm thread is pulled 1. 手拿檢心左終第方向 E藝放入桜;R -2. 花徐穹退確&的片禺C A 然後杞戲往B方向拉毬値張力禪篙下囿的 穿瑕口B竝岀耒。侖笛肛S?C F紀(jì)龍煤是否復(fù)芯輿爵瑕的方期相問1 2.上糸通1/方/THREADING THE NEEDLETHREAD/上線的穿線方法1. 上糸2. 扌卞糸龍通芬詢付:糸 便利1 Pass

30、 th rwAdle thread in the ocder as shown in the figures.2. Tie threading be done eas ly by using the needle threader supp ed with th machine.l. ttH所示穿上織。2M舁針詩 i怕用刀豪的穿祭翠線非常方使M*. RD飛-糸Coffoo thred sexn GrX SyrtfiHc Wnnt mj.13.低速運(yùn)運(yùn)転及Cf非常停止REDUCTION OF SEWING SPEED AND EMERGENCY STOP/ 低速運(yùn)轉(zhuǎn)和緊急停止i. ttT （A的

31、位置孚動(dòng)停止年柄】1花確Mil中的n）（A也燮成低燧理轉(zhuǎn) 停止!忙手動(dòng)伴止孑也銀編縛到B的也宜2縫刼機(jī)立旳停止（注）手柄不能施回琦播粒靈純加陽力就11越也低速連転1手下（刀花） （CcySTo 2中ma*5U：底謔35転去歹。非林止1. TLtAKJbM下QU回2. 止（注JR）手軽 力uoxr怎匚This machine is caoable of forming two different types of stitches, namoly wNp stitch 1 and purl strtch. 2.1) Whip stitchThe whip stitch is formed in

32、zigzag showing the needle thread only on top of fabric, and tne bobbin thread on the bottom.2) Purl stitchWhen applying higher tension Io the needle thread to permit ! to pass straight through fabric, the purl stlcti is formed by the bobbin thread which k pulled over from txlh sides to the center li

33、ne.1 7.糸闊子/THREAD TENSION/鄒B力八一丿糸n子1. 下厲齊力 7?0 】5 0.2N wsrca?2. 門止wnWO Y 7vMCJ：1 糸（siicc3仔岀召時(shí)汛 第1糸糸譌子1. 下糸張力出子uero4-o5Ngffi：ic2. 弟】糸錦子Oi:弟2糸調(diào)子調(diào)前藝交（弟 2 糸調(diào)子a 3芋rnzrri、上Nmo山自燉眼縫的無靈力i用彊設(shè)刖力織磐O列底紛棗力SI胡為05 0第左右2洶役第1球張力那昶奐出器亮的辭修緩無那 樣戲妊檸（忑果背直線質(zhì)頁岀的話潘懿緊 第丨殊茨力余。）3對(duì)於平行部A的狀略用第2猱強(qiáng)力蒔 賈們褚醺卿披的煤炎力LIHK力細(xì)櫛把憊滋展力1W為0 40.5

34、N- 右2.更奧弟I粽頁力羽和第2毀？6力界的蕩門 實(shí)（aaEs）IE檢揀笄籥0的挖據(jù)銅祁成810（wn 螢歎 功的5K力強(qiáng)度倜廚怡0.10 2N曼更3滋竇的動(dòng)作絕圍曲Kf!9KMe 把 刀槽到竦蛍力楫約切毎龍確忙琥僚 變更垃級(jí)卻艮的乞虔時(shí)誘在妊絲*聚的默堿 、擔(dān)鈿如（刀描到煤張力軽的切處勤離S5。右羽動(dòng)花線勞簧的営度譽(yù)大立左轉(zhuǎn)動(dòng) 省。tension so that the bar-tack part O is locmed by weH-shaped whip stnchcs. If the tension is too Qw. bar tacking seam may form threa

35、d knots on the rear face of labnc.3 Adjust tension controller No. 2 O for proper lonsion of tho para Mei $ido &eams Q by judging from lhe stitcti formation.* Adjustina the thread tension for whip stitch:1 Adjust the bobbin thread tension to approx. 0.4 to 0.5N by adjusting screw of the bobbin case.2

36、. Exchange the adjusting sprigs of tension controllers No. 1 and No. 2 eatih other (the tension controller No. 2 will have a weak spring).3. Adjust tension controllef No. 2 O to prevent ravelling off at tho end of a seam.4. The stitches ol the parallel sides or bar-tack can be adjusted by tension co

37、ntroller No. 1 0 （第2毬掘力娶要稱3些。）3用易2綜疇力器杞:進(jìn)行剁冷不JW3I紂充了 後我煤4冃？H荻茨力器詢的平仃部、加固曲部的後糸取oc-juato&取0(#necD)?SI68 mm.動(dòng)圭地QJZ)金m 0 l0.2NH當(dāng)左。糸取動(dòng)汙藝力吭紙/ 糸謁子算8丁。劉09B分人入1177回1反糸!0戸8審0 割 088 分 KZ 人n 右k：回審匕 糸取o黏辺強(qiáng)m強(qiáng)右：d 左 I 二回 Adjusting the thread take-up spring (for purl stitch)The suitable range of the stroke ol thread

38、 take-up spnng is from 6 to 8 mm with a starting tension o0.1 to 02N. For adjusting the stroko of the thread take up spring, loose screw O, and Insert a thin screwdnver into the slh of tension post O Io tum ttw tension postTo adjust the tension of the thread take up spring. insert a thin scrowdrivor

39、 hto the slit of tension post O to turn it, with scrow 9 tightened. Th tendon o( the thread takeup spnng increases hen the tension post is turned dockwiso. and decreases when turned counterctockwise.桐用集裂枸忙庁度變更鐵躱可以得到良好的警8 縫天厚料時(shí)淳9抵器O的JE疋螺站 Jfr 左移砂粵龍*線備*大b縫黃海料時(shí)疋坊瓊器向右莎動(dòng)塲號(hào)黠- 魚煤旦箜小1. Pull out covor O. and

40、 raise cover 0 2. Loosen nu! O by the spanner suppiod with the machoo Sol point 10 b desired length on scale (th s length is the same with the knifo width), and then retighten nut O3 Through your trial sewing. adjust the overodging length accurately to the extent that The bar tacking seams are not cut by ttio knife Changing the wor