ZOJE ZJ757 User manual

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SUPER HIGH-SPEED OVERLOCK SEWING MACHINE
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OPERATION MANUAL
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PARTS BOOK
ttJOO ·ttJJitii!JiitiR RilfR~BR~61
ZOJE SEWING MACHINE CO ., LTO .
From the library of: Superior Sewing Machine & Supply LLC

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02 TO THE OPERA TERS
02 HOW TO INSTALL THE NEW MACHI!';£
03 HOW TO OPERATE THE NEW MACHINE
03 lU BRIC ATI ON AND D RAI NAGE
Ol T HREA DING THE MACHINE
OS THREAD TENSION
06 STIT CH LENGTH ADJUSTMENT
06 NEEDL E REPLACE ME NT
•
07 DIFFERENTIAl FEED RATIO!\/ ADJUSTMENT
07 PARTS RELATIO~ AND TIM 'NG
10 TROUBLE SHOOTIN G
- I-
From the library of: Superior Sewing Machine & Supply LLC

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T0 T HE OPE RATERS
T hank you ve ry mu ch for ulliog our Super H i& h Speed , Stra i ght Ne ed le. Over l ock/Saf t ty S til ch Machine.
Before operatin g this macb lne. please study 'b 1S boo k lborougbJy.undtrstaod the ruociiOnl and features or 1he
macbine. Thc:n it wtll help you to increase )C · UI sew10g effiC:1ercy and quality. ·
ATIENTION:Becausc th 1s is ansuper high spced ma chi ne. Do n ot ru n it before fillina o il a nd/ma k in gsure the
c orrect turning direction of motor
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l!l iii 1191'll• 'h IOOm m. ~il'C 'i\:'h5mm,
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H ow TO INSTALL THE MACHINE
( J)Jo st l'l ll the machine a~cordHtg to the cr.b le cut-out dtagram,Cushion Ru bber and R es t B oa rd as en dose d.
In c:ase o( (emi -s.ubmerg ed . the distance ltPtwccn r\eedlc pltte to p ~urface and Table Top i.s about 10 0mm,
and for
full) ·S-obmcrced is about 5mm
{l)Seui ug the p eda l of clu t ch mot or to the le ft side and the pedal or prellser foot lift at r i~h t ride.
(3)1n<~tall the cl o th waste chute,thrcad nand u parb li st.
(.l)
Bc 5 ure lh~: mo tor turmn & direct io n is clod :. '4ise.And the bdt can be preued inware about IO mm .
NOTE :The di mensio ns or mot or pulley and sewing speed are shown in Table I.
Machine ~J><C d
M utor pulley di~em eter (mm }
(s .p.m)
6011 z 50H z
55 00 90
110
6000
9'
115
I!I . F~ . J
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From the library of: Superior Sewing Machine & Supply LLC

How To OPERATE THE NEW MACHINE
Plea$c run cbe oew machanc m the fiut '" Ur at 20 .. less -':>C ed than muimum .Then repJace the new oit and
thereafter I he mactUnc may be opcroted up to maximum speed.
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HIA:filllfiU:rZIOJ!!II•I. t!l .(i i'flll'illllt A.
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LuBR ICATION AND DRAINAGE
~~------ ------------------ -
(I )Lubrl<otion Fla .I
• Rem
ov e Sc r ~w A an d fil l in enclo s ed ultra high lf-pe ed lubric;atr oil ( or \Jmlar to ~t ob1 l i 1 0. Es su •32 )
unulthr top of otl lc:\ ·cl indtCI.lO r betw een two hnes of Oill..cvel S 1a:h t W1ndow.Thcn replace Strew A.
·Wh en the machine u operated fur the first um c h was idle for a lona tlmc.please be sure to 01l1he top of
tbe needle holder .guidc.upptr looper guide etc .bdo re op erat ing tbc mach1ne
( 2)Drolnaa• Fia.2 ·
• Remove. Screw A and dratn out th e 011 then replace Screw A.
• For keepinQ ch e go od lubrication and ma c: hinc life.pl case replace th e new oll when the new machine has
bee n o-pertnng ove r four "'ecks.And a.fttr tbat.c:bange oH e"'cry four month~.
• This mac:- hjne ha s been fiAed wllh oil O ller . Pitasc clean it every monlh or replace a new one if necessary.
C3)
Sttdle Coolina Lub rltatioD·Silicon oU.
M.Fig .2
-3-
From the library of: Superior Sewing Machine & Supply LLC

T HREAD /NG T HE MA t:' fl i NE Fl g3,4
~~~~---- ---- -------- ------ -- -
Rcf~r IO the .:;ew•ns type you need ror c:orrcctlhteadtD,l. Any incorn:;;t rhreldlnJ ma) C::&U\C thread breal.
uneven scilthes or skip $Ute bet etc .
VOR SEAMTYPE 516 ONLY
F'OR F'OUR THREAD ONI .Y
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From the library of: Superior Sewing Machine & Supply LLC

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THREAD TENSION
The !hl e.l (ll-eru.fnn hot ai1JU'ir.cd =-cc,HdJUg tn \G\loln)! foJblic th1~ L~~~ :~.kv.m$- thtcaJ.,s.e11m '<llhhh . ,mc.h I C"Agl .b ~l{
Thcrdorc !he p! t\"IJf(' of the TcoJ.iUA Nllt<; tat Tl)l(';td c .... ~ mu~t bt' ~jU!r•t'd lll (',.,.;h \uJJ\'hJUlll ca:se
r I )TI!" o ~tun Nuu A.dJu.,.unNu . Fi~.5
· The (t'tnl on N ut It '-"<MHI'Olll lht OOublr dtrun l'lr-.odlc- lhrc.;!d or ll:'n fiiJe. o'i'Ctitck need!~ thn::tt.d
The Jrnnoc Nnt ·l- OQnlrobi l))e dnubh: chlt1n •U()fk!r lltt-e.d
'lbt Tensln"' NUl 'li (ftO it ('f~ lhc: oH•riock DC::UiJe 1h1 ·~.
- 5-
From the library of: Superior Sewing Machine & Supply LLC

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STtTCH LENGTH ADJUSTMENT Flg . 9Tsb2
The stitch 1eo&lh a.djuitmeot is made according to the 5t"V~ ' tng fabnc.differential feed ratio etc .
• Keep
pushtnJ the Push Botton en ter deep inside.
• K
eep pr essing the Pu sh Bo tt on and match the desired stitch lena:th which is sho wn on the pull ey with
the indicauna point of Be1t Cover.
Maxi diff
ratio Machine
type
I 2
I :2 Seamin&
I 1.5
I : 3 Shirring 0.7 I
I :1.3
Sctgihg
1.6 2.;\
I :4 Spcc1al
0.6
0.9
lli.Fig.9
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• w~ • ~ <l>.
NEEDLE REPLACEMENT Fig .10
• Please use DC x 27 or cqu1valent needle size.
• Loosen Screw <t> and remove the old ote.dle.
Tab.2
Pulley scale
) 4 s 6 7
2 2.S 3 3.5 3.8
1.4 1.7 2 2.3 2.5
3 I 3.9 4.7 5.4 5.9
1.2 IS
1.8 2.1 I
'--I
lll.F lg.l 0
• Insert the needle wbJcb long groove faces you a.nd pu'h it up deep into the needle hole unul 11 stops and
1iahren Screw <D
-6-
From the library of: Superior Sewing Machine & Supply LLC

t;'1: i!"' .IU'.J iiii!flft;Jc'f#iU!A.irl itfJ !lilt . ..~ .. $ lt !Jt llot< . &zllle: • •
•• n~~~~ -~~ ~~ - ~~ - ~~ n~ tt~~,.~~ . &z .. ~• · •• fi~w~ • ~®.
i£ ~ -.lltf CD II'J<l!ii!flUO:t£lUil~ ;1241tJiil:l. Z'lfi~W~Il:MS2 J;Il:llt. iJ ~$MIIoll'.~ 1:0. 7.
DIFFERENTIAL FEED RAT IO ADJUSTMENT( Flg. 11 Tab.3)
' rh c dtfftrcntia l feed ratjo is tbe ratio of mo\'ement.s b etweeo Ma in Feed Dog and Differential Feed Do&,
when che movement of Main Fee-d Dog is bigaer thltl Differential f eed Dog. the fabric be stretched in ~cwl na
Otbcrw he the fabric be shrinked.
• Loo.scn Nut <D then tuta Scrcwel) tn ctoc .kw ue for strctebing lhe fabric and lo rcvene duee:tion for shrink.ina
the fabric thea liJhtcn Nut$
NOT'E: Whea the surf a c~ of adJYSOOJ; Level Q) be. set at the Jcale~ \be diffcrcnttal feed ratio t$ 1; l,ud 1f it
be set over lhe ~ale tts ratio c.• ., be •dJu.Uablc up to 1:0.7.
Tab. 3
S.:~&.lc
I 2 3 4 s ~ l®
~
01lfer· I :3 -1:0.7
1:0 .9 1: 1.1 1:13
cntitl
I 2 1:0.7 I : I 1:1.4 1:1.7 I
:2
Q)
Feed
I : 3 I : I 1:1.5 I :2
12.S I :3 ( \ .
ntJo
0
I : .;
1• 1.1
1:1.6 1•2.3 1:2 .8 1:3.3
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~ lt I: It !! .Qatt . WI: '3 ( .!i! ttllol~/itt?J il l rttt'iitifi'Jlii!Jl. ._ltiULZJJIJ9.5·9 .7 mm <ftU U'i
ln. It Jl/1 0.8·11 . 0mm ). .« ttiltti tt,ejj( JI& ft1itt ~ JA 0.2-0.3mm. Ill tilt 'l lli illi'Nlfl l l!li{ 1.2mm.
~~-~~~ - ~ m ~%~ ~·/l ~ tt *M~ . M~~-~~--~ttAM.A . £- JI.I~ ~ · tt
Q) Vl illltJ. ft Ill.
~~~-~~tt~&~· ~· QM D *M~- ~ - ttA a G• ·· ~ $.
( 2)..1:1i.J tt .!ittllll ~~ 111 13
~ ..1: ~ tt 8 ~ A 1i:lt.t. 'Qft~ llll !J ilt• I •·N~ !<J4 . 5·5 . 0mm. : ~U t~lt ii.1ltt ~ • .C• !<l 9 "'J tt!J< 11lt"Jif1 5.5·
6. 0mm .
(J)'F1iJ tt.!ittllll~~ 111 14. 11115
• !!!'ft.jtt 8 3i: & .& a-t . 'Qtt~!Jtt'l'ot:.lt (.iHtiiH..Lti!ttJiilll II'Ji!1JIIA .. Il1Ullti : 3.2-3,4mm
illiiUllt : 3.0.3.2mm
• ~ t' ~lt !U ift!fo<.•tt ( .«tt~lilt.:ttJii~ ) •t . lt.!;~ttii'Uil.JII O·O Smm ,
W..I: Sltt~l'1ilttlltl;.<~ 11 16
' ~J :. r"'lftl05l ~ !lt. ~~tt Jl.•II Uiif . flt~"' lilif. lft~ . ~H-AA'l.Jii O. Smm&BillJII0 .2 mm.
(5) tt.l; . ltft ~fi'J"'~ 1111
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From the library of: Superior Sewing Machine & Supply LLC

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· ~~~~~ M g Mtt (·~ ~ -~·~ · )·0 ~ ~. -~~ ~ -~ A ~N -~ 0=.
· ~• s• r a 4 A . tt !i M~ tt lli B I'l M aJII O . I-0.2mm.
(6) q; • 1iltt.!itta9~- . 18
• ~ iF •~ tt 8 £ li ti.llt <19tt~ II !j ft of' (; I& ~II! Ill J\J2.Smm.
I!I .Fig.l2
(I) Nudle ond Ne~dlt Ploce Fla . 11
Wben the Needle moves lo tbe hicbe.st position, the distance between aced It point (leh ne edle tf two needle)
and Needle PlacetS. 9.S·9.7mm for stand ard lift ma cb.Jac or 10.8·ll.Om.m fOC' h•ah hft. mac:hitte. Each needle mw.1
ecnlers in eaeb nec:.dle slot of N eedle plate . The riC.ht needle must ed ahead abouc 0.2-0.Jmm than left needle.
And tbe diStance between lhe needle po1ot (richc needle if two needle) ro needle sJor of Needl e P llrc or Presser
Foo t is J.2mm.
• Sli&htly loosen Sc re w cP of Needle Drive Crank.
• Rotate t he P ulley to check ~ f oeedle cen t er In ea ch needle sJot or 1'\cedlc Plate. or you may loos en Scr ew (I)
and adju SI Nccdc H older .
• R
otate the Pulley for re mo v ing the needle co the hi gh est position . tap che Needle H older Go idc until che.
co r rect needle heigbc is obtai ned.
• Ti&hten Screw:!)
(Z)U pp•r L oo por ( Spreader ) and l'i .. d l• FI1. 1J
• Wbeo the Upper (s preader ) moves to tbe extremely Jefc. lbe dutaoce bct..,· ua the point of looper ( spreader )
tod ~enter hne of needle is 4.5-S. O, for I needle (spreader) to center line of left needle is S.S·6.0mm for 2 need·
Je machine .
(J) Lo wer Loop•r and Needle Flg.l4 . 15
• Wh en the Low er l oo per moves to the extremely left, th e distance betw e en l ooper poin t an d ce nter Hne of
ne edle (left needle if 2 n ee dl e) is 3.4· 3.6m m for high lif t machine.
• W he n the Lower Loop er moves to lhc ce nt er line of nee dle (left needle if 2 needle). tb e ga p be tween needle
and looper is o.o . o~mm.
(4)U pper L oopor oDd Lo wer Lo pper Fla . l6
When the Uppe-r and Lower Looper •' crou~d .
(S)N .. dle ud N •tdle Guard f lc .l7
When the Lo,.cr Looper poi .- : t.S opposue the center line of J\eedle (left needle if 2 needle), the &•P bet .. e.ea
Ne e dle and rur l'eedle Ooard A is Omm . When H.!edle moves t.o the lowest posuioo. the cap between Needle
a.nd front Needle Guard B is 0.1S·0.2mm .
(6) Choln Loo per and Needle Fta . l8
The Chat n Looper muu be fixed iuro rhc Jowe.u p otilio n of its holder and when the Ch ain L ooper m ovts ro
rbe exm:meJy Jef1. th e dists .ne-c be tween the looper point and t:em er tine of needle is 2.5 mm.
-8 -
7
From the library of: Superior Sewing Machine & Supply LLC

le A ;
4.5-$0
B· 5 5-60
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ol
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.___ _ ____ ,. -=. ! _ d l ~- =:; -; -~-~'•" J
A
0.5 l A 0.0 I
1 \ r 0. 15-020
~~I
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llll _·,g.l-6 __ _.I L til FIR 17
- 9-
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2.5
!!I Fig. IS
From the library of: Superior Sewing Machine & Supply LLC

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(2) ft R •t:f'ft
(3) ttB~I'f
(.) tt !j lJI tt 11" i'l * lli !eil!
IS) tt!i"''ttil'l3(;~1a~
16) ttA<.A.ttl!iili!lf.U f t ~ 'l'!lt
NEE DLE BREAK
REA SON
(I )Needle ins101led wrong
(2)Wron.a needle size.
(3)Needle " bonded.
(4)Wroa&
"'latiod with Needle Guanl
!S)Wroca rdatioe wid! looper
16)Neodle does no< ~nter dle oecdle sloe of
Needle Plaw or ~sser Fool
1111!1
Ill atoll..:,;R
(2) ttlll• -!'Ill !tit it 11.;k
(3) 1Jtlllll
(4) IUt!iJJ : UI
(5) tf"l'11illll
(6 ) tl:!l!iti:UI\1!
(7) tt ftlll:.llilli
I. ftlt~III B xlt lllilll
2. tt ~ IU<Ift
cs> &lllt e.ea
(9) tt 'i <lilttJICJ:)t;J>Iftil!
(10) tt . ~t t. ttlli . ttttl!i . tti&:f: ~
THREA D BREAK
( I )Inferior quality of threa<l
(2)Thread is thicker th.an Needle hole
(3)Wrona threading
-10-
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(l) lUi 4ut , 1!: IllIii Iii! I!H3e
(2) ;&mi1~1!il'lfa•tt8'lfltt
(3) J!IUiU
(4) illl!llltt ll ' llttll'J.):;l!i
(;) ill•"''t t.IIJ ftfJX._
(6 ) tli.ttllillft . !l" !! !i.
•
C OKRE <..'T
( I)Reset needle com:ctly.
(2)Use properly needle for fabric and thread.
(3)Replace new needle.
(4)
RQd j u>l Needle Goard.
(S)RQd)ust looper
16)
RQd )oat tho l"cedle Plate and Presser Fool.
J't.
(I) <:1:/ll&ll*fll'lll
(2) 11!1611fi'Jtt ~ Hl
(3) tllli if. •YI'tt
(4) illl! &tt•ll
cs> •• .a: ••n
<&> ilili~tU!llttftilii nm
(7) I :Wlt.lllilll
2 illl!lttl'l<!l·
(8) 1!1~-!lititri.O JM:It:
C 9J ••u t · ; ~nll'l* -"
(lO) *11:t'-~IUiollo
COR.R£CT
(!)Use good quality tllread.
(2)Usc proper Needle
for fabric and lhrc>d.
ClJRelhteadina
c cim:c~y .
From the library of: Superior Sewing Machine & Supply LLC

(4f l'hn :ad tension i5 t oo SU'l)nJ
(5)Needle mswl<d wrong
(6) TI=ad SW>cl onstalled wrong
(7 )0\r er h ea l or NeedI <= l. NO 6iJicon oil2
Wrong sculn& of Needle Guard
(8) Tbread Da c Of Guide IS bu rred
(9)Wroog n:lalioft of li«dl e and Looper
CIO)N ...Sl e. Looper. l'eedle Plate and Guide os
b urred
IIIII
(I) lt-"~ttll'l~f.illil
(2) !Jiillill
(3) tt'l<tHII II<
(4) l'l!t!i JJJ: IIil..t:tl
IS) •Ht 1U& IIIq;t.:t;~
(G) rt~fJ
(71 llittJ ~1C III!Itili\
S KtP STITHCES
REASON
( I)Wroog n:labon of Needle aod Looper
(l) Wrcng thruding
(3) 1\ud l c: installed wrong
(4)l nadequate t hrtad te nsion or t eQO.ion too
suoo g
(~) Looper pom IS dam~icd
(6)Needle " bonded
(1) Wrong installed Needle Ouard
• l!l
(I) "~IO Q
(2) lt : UI
(3 ) ~~IU l!i tlJtll
<•J tt !t eA:itMI
(~) tt ';tjtt ¥11
- II-
(4) Re.adju.st thread te nsion nut
(S)Rcs.et
oeedle c nm:cly .
(6) Reset thruds wd for threading smoochly.
( 7)l. fill In Silicone oil
l .Rta.dju:n Needlt Guud
(8)Gnnd ot! polish or replace new <Ml< .
(9) Read ju>t Needle and Looper
(10 )Grind off, poJjsh or replace new one .
,..
(I) ill l!t t!Jiiltt ~.
(2l .l U i if: iUl< tl
(3) !!IIi i£ ~1Ut
<•l iiU! ~tt• a
(S) 1:;!a :f;9..!111i.ll.
(6) lllli .ll.
(7) ~tlli tiH.-I/< 1>HiiHJ. "
CO RRECT
( l) Readjonl l'ecdle and Looper
(l) R etlutadina com<tly .
(3)Reset N eedle c<~rrceUy .
(4)Readj ust Th.rc.ad Tension Nut
(5)Rcploce MW one .
(6)Rep l..,. new one.
(7)Readjust Needle Guard
Jf•
Ul .il II iE tl ll< !.t
(2) WI Jot "' J.: ·t ii'Jtt
(3) illlU l! l!liUi ~l UI lifo
(4) ¥..1uUii
(S) i:Ji iE IIU!l{
From the library of: Superior Sewing Machine & Supply LLC

'.
.
;.
L
.. .. "
:f ~~ -· -
~-
REASON
0 )W ro ns tltre•din&
(2)Titt<4d i• thicker than ~ :.: die hole
(3)Tensoon Disc
do not pre ss thread PfOperly
(4)Nec.dlc thread is n
ot lubricated
(5)
Wrona >ctting of Neodlc 1nd lc<lpcn
-~;r-~
l Ui
(I) ~ttf.'l~
(2) tllll~~'iilil:
(3) l'Jl"~lllil!
(4) Jl~IIUY'IIi !W !F
J.JJ 1Qift
2. m•
<s> .i:li:Ut •m
(6) ft ~: UI
( 7) l!MA8!1~·1l
(8) lf.I\Bi1J;UI~ : Ul
REASON
(I )W ""'i thn : adtnJ
(2)Thn:ad Stand lDIIallcd ~ ·ro na
(3)Low er Knife installed wr on&
( 4)Kni\n do not trim neady.
I. Knivc.s installed wrong
2. Dull 1ower Kni fe
(S)Thn:ad Disc or Guide i> bllned
(6)Needle point u damated
(7)lnadcquatc heigh of Feed Dog<
(8)1nackq
ua te thread ltnsion
Ill!!
o> !9.tll.l<JJxtl
(2) 1'1' .14/J< )J ;1: lll t&. .!: Gil
( 3) j)S!I!JU:~Iflttl!i
<•J JlA;tt: !H 1
(S) .12 .11 ~ tH<d ~ ft
(6) ·~ ;1: Ill
(7) li!~llllltttlllli~'l!
- 12 -
CORRECT
(1)Relhrcadi n& correctly.
(l)U sc proper :>leeciJe
(3)Re<et Tension Disc properly
(4)Fill silicon oil
(S)Rudjust Needle l!lld Loopers.
)f .
(I) 11! i'i tf. liUP tt
(2) a Ji. t UIIf !Ulill ll HII9
(3) IJIJi :l< tl l'Jl
(4) I lll!l JJitillfU~
2 ll.ftliUIIJi&
(S) .UitrJI':
(6) llllift
(7) 'IC! U . ill lill
(8) lll ~ lfJUi:ll!lll
CO RR Ect
(I)RclhreadlDJeorr«11y.
(2)RcS<tThn:adt
for threading smoothly.
(3)Rcadjust Lo,.·er Knife.
(4)Ccmect as follol.:
I.Rcadjust Knt\'CS
2. Shar pe n ur rtplact new K nivc .t .
($)Grind off. pohsh or rcplau new oac
(6)Replace new Needle.
(7)
Readjust Feed Dogs .
(8)Rcad
just Thread Tension NuL
)f .
0 l !I .II i1Ul l2 tlli a:
( 2) lllllll'l' Jl.f.i )J li a:
(3) .IJi!Mn i EIIrAil
(4) lfi" Jlll ' illllli£
(5) II U!~ ~~4J i!SM
(6) lll~il:11iflltlll'JU
(7) llll!!f!J.i!lllllillllttl!i i'i
From the library of: Superior Sewing Machine & Supply LLC

'
t
(I)'T'bread &cnt.ion is too sli'On g
(2) 1oadeqoat< pm..,. ot l'l<.sSCt Foot
( ))I nadequate height of F«<< Dog s
(4) kn jvc:s do n ot trim QQtly
~ 5 ) 0ifferc.nhal feed '' ooc mllcbcd
(6)Ncedte i11 too th1ck
(1)5<am .. kith is .,., - tpUut the cha to-
off finaer of Needle Pla te
••
<1l " JH< ~ 111 ill
00 ~HdA ~ ~M~~~e~a,
U) IH t tl ft"I< ~IB ill
w ll<! llftil!
(S) lt!t.ltA::I;:il.til
( 6) ft'Jtjftii'J:lt:: Aill!;;l
(7) ftl!ii<";!i"~ 'l!;tl
(8) l!! lll lt l! l!l.
THERAOCHA
REASON
(1)Preucr f'ooc imulled •roaa
(2) 1n.adequate timma of Looper Th.read Ca m
CJ)Oouble Chain Looper in s (.al led v.rong
(4) Wront tluudin1
( ')Inadequate or t OO nr on& lhread tel' ~i() n
(6)Wrong relation of Needle and IN ;. er
(71 S<cdle Pia,.ThRtd o;.., Of l'ml<f Fool Is
burred .
(IUTh. read ccns.ioo dJ Jk i.5 roua h.
- IS -
CO RRECT
(I)ReadjUJt T1lretd Tco!ioa Nvt.
( 2) Readj ust l'mRr Foolprcuure.
(3)ReadjuJI Fe«! Dot• ·
(4)RadjUJt Kll i vu Of slwpeo KlliVCL
(S)Readju $1 dilf ereo tl& l f eed nt . io .
(6)V,. proper Ne«<lt for fabric lAd lluud .
O)
Rudjust aeam -,tdth or tq)lacechalo off
finger.
Jj .
(I) 8tfi iE III'RIIi
(2) illl!lll "tl\ ~ H&
( 3) j! llj iE 111 'I< 1li
(•) ~fj JE 111#1l
(SJ illl! i4 'll!! ll!I.W
(6) illlU t 'J<Ht li' J* ~
(7J Jll "lli oii Hi t1 Ill M i lt
(8J Ill il> lll l ~ ill Jf.tll:l't
CORRECT
( I)ReS<t Pruo<r FooleorTectly.
(2)Readjtut Loo per dtread Cam.
(3) R<S<t Double Clwo Looper e«recd y
<•J R<Ihrtad1liJ <Om>C:O y.
(3) Rudju s Thread Tcnsloo Nut
(6)Readjust Needle ood Looper
C7)0rindnff,po ti s.b or repl ace. new on e.
(8)P ohsb thread len .:<li on disk
From the library of: Superior Sewing Machine & Supply LLC

If· tP: ~lrl til:umbcn
• ¥
1>-<mp
'1 ' • '"\c
· rt
~
p-..,. "o
'"
Thret·r hreod Fut~r·rhrend !'wNhreaJ
I
YTC8'1
ffbt madun.! frame
I I I
2
YTi\04
I +\.,._·,'.;1'~
Offill•thrc!d 0>\.,. pL.u- I I I
3
YTAOS r l>~
IIJ)f>C1" oncdc oo>rr I I I
4
YTAO<>
I \l~l1'
upper oncde Cu\cr pJd
I I I
~
YTAOS
1·JU:i\ blhc .~~tu uprn k.noc
I I I
0 YT
Afl'l
ttffffi
Oc<dlc riJIL I I I
7 YTAIO
I 'nl~H
ur~r \\d:ShCr
I I I
M
YTAI2 l'l:ii c>tl ruht I I I
Q
\HI~
IU! All~~
RarCUI ad:tk,:_,r,e ~ I 1 I
10 YIA~2
l!l!H
ozl s.cal
I I I
II
YT <\25·1
/iiJ!II( ft:llCU\.:T
I I I
12 YTA2.S 2 fi olHit.I!H re.u- CO\Cf Vii .;nf I I I
13 YTA27 IIUi
('OVer I I I
14 Y'iA2S
~bll~
oil 'Oe.U wL-her
I I I
IS
YT~'I
l!i.~
ttnt!r ,.,..u.r.-:r
I I I
16 YTA33 ~tl
"'"1
~ ~
4
17
YTA.lo IM'!IA' m:"hmt model pill< I I I
n
YTAJM fi"Hli
model lllh< I I I
I
'I
YTA39
"l+lll
PIO
2 '• 2
20
YrMo
ll!il!Jl•i
or I screen
I I I
21
YTA42
F'l'
~nne
I I I
n
YTA:ll IIIII". od <e>ll I I I
21 YTA24
ti~Hil
011 sealu I I I
14 \1P0'
•I u~ · ,
l>tgm pm
~
4 4
2S
\'To\65
Ji~
or.ldc mart< rhte I I I
26
YTA67 ill!J..t t>tl wol I I I
27 YTA84
i>f!li'
l'll3d piJte I I I
I S30' 1 ·..:1.\.!Utf
$Ctel' 1 4 4
2
5292
l,.l!.'Wtl
sere"'
1 ) 1
) S2'l0 t,
lfJ!trl.
needk bar .&s.m ,..,(l!Vro
2 2 2
4 sm ltjiiH'iWtiiiiJ ll<Cdlt ltnd 'o<l \CICW
I I 1
s '>.21~ HH :f. :A:ll'•l!Hfi tt
oetdk rhreod ..,,.,. plat< mp "II. I I I
(>
~))·
t! >.! 1;1 :id'' l'( 11 [lj If !f ~ lhn:od co<er pl>tc . .a Ktc•· I I I
7 S268 ;,: .. ~i\'!ntlllfJ m:un CO\·er bcann!l rc:t!ulrttr.: SC:rt~
I I I
8
N26
J,lit'ijj.'j-l\Cf:J nwn
cu .. cr be-.uing r..:r..dJt-: nuc
I I I
9
.,~,1
"'* !'itriJ
R.af t."'\ tr rlatt
11 11
II
10 ~261
1.1ltilftl
lm,trcu,,rr pl:ue
2 : 2
II '>401 ~/.'iii!'. WIT Nf pan JOlR ~rew
~
~
4
1: W23 i!i!Ciii:f'~ ~ .... .Jxo,
~
~
4
13 \\02 >1 • tt; itdf!rill' 151 da~ucJt) \lrJ•.llcr
4 4 4
14
S-100
~lll.l,tttw ;;~uw.tr
n~a,..,•n '"Od..<r ~re·A
4 ~ 4
IS
Sltl8
-If
;m:w
I I I
fi I _.;:ft If -4-I'BI)'I } \!1.~:
o- './.
.,
.-1 .~ •
II
4
-14-
From the library of: Superior Sewing Machine & Supply LLC

••
0
@11 @2
' 12'
' . ~
i ~ t
T 1:) @
0
-15-
From the library of: Superior Sewing Machine & Supply LLC

2. ~ fJ fiiS ?t Cloth plate assemblies
r~
f'l~
••
'
Pat~ "0
!l.o
I
YTBOI
YTB02
1
YTIIOl
1 YTB0 4
4 YTOOS
5 YID06
6 YTllOS
7
YTB12
s YTI:I1S
y
YTBI7
10 \T922
YT!J2l
II YTB29
12 YT10
13 Ynl
I Ylii()6E-1
l S!7•1
l 5!17
4 N26
~
S401
6 Wl~l
7 :-<23
~ \I.'(JII
9 S2:1
w SSM
II
W05
~
"'
Deocopo<o
ut.aml'l
c~>thp~
I.Jft ~lft1J-
ci<Mh plate
~11
.. -...bet
!K!It
rubb<-r bu<hong
ti~
rubber bu''""l
~1 tr <lt!W~IIU
C01tb plate sonng s~w
11ill
'f'tlng
~lfiil! IJ Qjlll~ C~t plate 'f'rlfl&
.uuliKf
clll!b pbtc shd<r CO><r
"i f; Q'i ;9(
cloth pb1e co>tr '~"""'
ttfi ... :!t;r,
<loth plate..,, .... rial<
&tft ~ ';i'f{.
cloch platolo"<r plat<
~~.,
.. ~.
J .'lilT He(
upper loopor ~ling rl•l<
IJ'l' !T -~It i!( ~
upper IOo.'!'(r ,ca!~n•• pla1e "Wier
J: 'ifht. H!!{trt; UJ'I'Cf looper <eallng p!Jt~ "'"'"
A..U~ flff!
Kt~""
l\H.t:. rJ.i J
~~-re~
) •• ;i!(lt!lll·t set
nut b•a \;t) .. ·cr .ub~ w-~-v.
t;WtT
""'""
{;!fH if:
SCf""W ...,._"•cr
:'i!!IIIJI i J('re\\
nut
~-
... .Jtcr
-"iiii\I~H
ba.g CO'\ef !ipnnw: screw
J..!liHl!SH
b1g C(W\ (T JOUU sat"
:. (oi~lllff ~·!01
b1g CO\et JUint c;aew tAthhc:r
l'., ~l'!'ll-f·AH ·,;~ J; 0- '~ .,,,
-16-
rrtt (Number)
. I.t
,,.,,
l•tl
111tte-thJtad Four-~hread
Fove-thrad
t t 0
(I 0 t
I I 1
4 • •
1 I I
l I I
1 I I
1 I I
t I I
I I I
I I 0
0 0 I
I I I
I I I
I I I
3 1 3
I I I
~
2 2
2 2 2
I I I
I I I
I I I
~
2 2
2 2 2
l 3 1
3 J l
From the library of: Superior Sewing Machine & Supply LLC

®
-17-
@ ~
~
0--o
cv --i
From the library of: Superior Sewing Machine & Supply LLC

,_
•
..
~·
• ••
•
f
t·
,
-.
.
)UI=l
bl' 1es over assem
1 1'
f't~
fl it _(
I ~
Pan l'o
~ ~
DoscripC>On
:O tt
RQ~
lila\
I YT CO IF 1:1
upper cover I I I
12 YTC03
Hi~
upper cover washer
I 1 1
13 YTCOSE .i:HU! tluw!
guide suppcllla 1 1 1
14 YTC09F
~'rit~:l
belt cover 1 1 1
Is YTC I3 tti11J~·
thread coverspnng 1 I I
16 YT C! S fd MI:!lf&
cl oth gui de pla te 1 I l
17 YT C17 ~ll!i~U
oil gu id< U 1 l l
IsYTCts
iia:a~m
pin
I I I
19 YTC20
'"~-.~~-
from spnog I I I
1 10 YT C21E
!iii~
fro nt cover I I 0
Ill YTC 22B
li'!f ~ f:lf& fr ont co v<r 8WIId
0 0 I
YTC23 S n
~ f:l . ~ frontcoverguatd I I I
1 12 YTC24S
fil!~
front cover hinge
I l I
13 YTC25B iftlJifl
binge plD
I I I
14 YTC28
Iii~~-·
front cover lunge spring 2 2 2
IS YTC29 iia l! ~lli
fronr cover hinge washer
I I I
116 YT C38F
~ti< Jill! tnde mar k p i a~
I I 1
lt7 YTC39-4
.i!l8N;i;
oil flow sindow 2 2 2
18 YTC36 ft) :J tlJi.
front cover snap guatd
I l I
19 YTCSSB f:lltlll&l oil guide I I I I
20 YT C$ 8 it!tt.i<S'
oil level gauge washer I l l
21 YTC 62 1:'/# M
pin I I I
22 YTC67
t,ltffii!l oi l level gauge washer I I I
23 YTC69F fl~~~~~~ oil SJght
I I I
24 YTC81
!ell wasllcr I I I
25 YTC61F
.1;\l(
upper cover
I I I
S503
l: ;l;! I* U
uppe r cover screw
4 4 4
5438
~~ · 41
tbttad guard $(TeW
2 2 2
S233 .tJ Jjf Jt i* 4T upper cover spring screw
3 ) 3
M84 itlfll washer
2 2 2
S 25 7 !it Mf:J j&II f1
cl oth gu ide p late screw
s 5 5
S238
~ ~tiC U I
o il guar d screw I 2 2 2
54 32 ~ t O I U
snap pl ate
4 4 4
5401 f.l~lflflj(Jir iJ fT
screw
) 3 3
S2SO
front covet p ia~ block spring
iitr l!iR •- ,Jtl* tr
screw
2 2 2
l :i S 245
lfJ :J i~;JIIH
fro nt cover hi nge S(rew ) 3 3
It W09 llii l! ~lt:
front cover h inge wash<r
3 3 3
I ~ E03
·H t •napnng I l I
i±:: l' fllf *i!!R'~il!. lfl•
0 - !~1<!¥~. • -«~lltr!Jflf ,
-18-
From the library of: Superior Sewing Machine & Supply LLC

- 19-
From the library of: Superior Sewing Machine & Supply LLC