ZOJE ZJ20U93 User manual

AUTO-OIL FILLED ZIGZAG SEWING MACHINE
flmmeJJ~
OPERATION MANUAL
'11**¥*
PARTS BOOK
en Ill· ClJJilUil!fl m ft2 fR fai BIJ~ at
ZOJE SEWING MACHINE CO .. L TO .

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- I -

CONTENTS
1. Applic . ation ....•.......•.••.•••••••• .•• •••••••••.••..•.••.•.•••.••.•.••••.....•.....•.•.•••.•......••.•••••••.
2. Secure operat io n................................................... . ................................ . .... 1
J. Caut ion be foe op eration.......................................................... . .................... t
4. Lubrication •• .• ••.•....•••......•••..•••.••......••••..••.•.••••...•..••...................••.......••.••.•• 1
5.
Se lection of needle and t.hread................................................................... 2
6. I nserting of needl..................................................................... ... ............... 2
7. Replacing bobbin •.••..•••.......•._........•••....•......•..••.....•..••••.•.••. ••.••• •.•...•••.••.••••.• 2
8. Tbread the bobbin case.......................•...................••...............•.......... •. .•..•• 2
9.
The installation of the bobbin..................................................................... 3
I0. Thread surface stitches.............................................................................. 3
11 . Adjusting stitch lengtb •..•.•••.....•••....••..••••.... 60 ••••••• ••• •••••••••••••••••••••••••••••••• • 4
12.
Adjusting presser foot pres s ur e... .... . .... .. .............................. . ............. . ...... 4
13. Adjusting needle thread tension................................................................ 4
14. Regulate the length and tendion of take - up spring............. .. ............... 5
15. Adjust bobbin thread tendion ••••••••••••.•....••.•.•......••.•.•...•.•••••••..•..•.••••••••... 5
16. Adju . st needle p os1t1on ............................................................................... S
17. The ad justment of horizontal di sta nce ................ ... .. ................................. 6
18. To mount thread uo1' inder •••••••...••••••....•...........•...•.•••.........••••.•••••••.•.•...•• 6
19. Assemblage of belt cove r....•....•...••..••......••.....•••••.•.••••..•••••••••••.....•.•.•••.••.• 6
20. Munt knee lifter....................................................................................... 7
2
l. Modes of seve ral sewing stitch and application of accessory................... 7
22. Maintain of ma chine ...••••••.••••••••.••••••...•••••.••..•••.....••.••..•..••.•...•••.••.••••.• •• •. 9
23.
I\ 1 ain sp eci fication .....•••••..•••.•.•.••••.•...•••..•.•.•.......•.....•..•...•..•• •. .•..•......•.••... 9
- ll -

-, I'll~
I APPU:CATIO~
iJE~L i ~Rlfl!Q~~- il<J: JIJ ~. ¥.li11l. 't rti. ~!!~
fl'lM. ~ - ~~~~~ - ~~-§~aR~ .
!l<m 7iilim 11t tfJ mHiv ~fll'fl f<l fl'lJJOi!rllll ili\141 ~
~ T ~41<~fl'~tlfl'l~~~!l! .
This series of rigzag sewing machine is used to
zigzag, embroidery and lockstitch on thin. n• wdiun
and thick material for garmen t, bed articles. shoes.
towels and wall carpet.
Extra accurate mechanical transmission and knee-
control .wing range unit assure many kinds or perlect
embroidery stitch.
=, :Et :i: lii 'F S~
2. SECURE OPERi\TIO~
1.Jift!A m1li~;& ~lftiJIHHflSlfRJ \J~ 1'! ffliitl9l'l!fti.
/Jlif {Vft;
2.fl!l!HMllP.t, 'l<~~~,e.i>ji~l!1~~;
3.~!H'1~ lil til$f!I' ( ~u : tJ Ltt. JJi , !lll, #Iii. ilil'f!f
fol!!<>~ ). jffl, i:IHG:l:Xllft:.A.~1UUl .(!If, £•il
*f~ '1!. 11'it* * ii!Ztl< r iti. tit liti!J.. :
4 . Vt~!i'J!ltJ. ~ l'l ~:C:fti~ilfh'Vjl:tt;t:AJAilt
ti ;
L) The operator should be rtained. and u.,..deI$18lld
this manual \'ery well before operating.
2) All security equipemnts should be ILxed very
'\\'ell while running the machine.
3) Tu rn orr Lhe DOWer or dr aw t he l)Ower off.
while unfi:dg soc aooe6SOr'.es (like .-Ile. prtSSet fooL
needle Dlate, feed dog a nd bobbin sase). win ding
thread and no operator is at the workplace maintalning
the machine.
4) Maintenance and adjustment of the machine
should be carried by Dto iessional teehnician
5) The electricity equipment should be managed
by managed by wireman or prolessional technician•
.=.' tli'FlllJ!'.19it~ -~
3. CAUTION BEFOE OP ERA TIO:\
.l9i!St111.8 !II~. ,Q:.jjj iVl Jlit~l' Jll $ Jl;
1. It IX~/ll~ ~ ". & Mi M l il< ill~. :J'c jTJJ1 1 )!J:
L~E~~~ffi/t~~$. ~~W~~N~~:
i. J:.~-li!. ~ lifll~;li(ll] iiH l .
To avoid the damage of madline. don care of the
followinJI:
.,.
I) Please clean the machine thoroughly, add enough
oil before first usa11e.
2) Check the normal cy of voltage connecting oil
before first usage.
3) The upper wheel should rotate in the d.irec'Jon
facing the operator.
11!1. tll R tt.J iii! if (Ill I ' 2 )
~ . L U BRI C A TION( flg.l,l )
l. l!! ;lfVl.:'h. ll-Jil!i.£ti1:.A!tWlllil!lx HIGH iCft~
(111 l).
2.~il!llliflf':f ADD OIL iC~8'1. ~lli.llliillll(l'!l I).
3.lXJ~.fi. 3hlJ Vl.l!J , $ '1fi!i lllllilllit~ ~ l! U~llll11! A.
ill. IJll ifil!It iE 11W E 3).
4. 11T JII ff<Jilit li 38c 8't. fU l'. Jl; 20.0mm/s. :r£ 1s'C U.t.
tt<I Jl'.)9 0.888g/m, 13!\il~ lll 18 "}ll\J.
l).Tum Over the machine head. Pout lhe oil into
the oil pan cu the "HIGH" marks.
2). \\hiJe the oil is bowr than •ADD OIL._ please
poru the new oil int o the oil pan.
3).Tun on the m&hine at.er pouting oiJJf the oil
SPlaCh on the oil w1ndow A. freauemly, the lubrication
is goodorder.
4) .The >iscosity the used oil of should be 20.
oomm/ s when the oil temperature is 38'C.
The denSily of the used oil should be 0.888g/m
when the o il tempera ture is 15 'C.
We suggest that you should use No.18 white oil.
HIGE
l ~ Figl
l'f!Fig.2

Ji, tt~((.J~ill
S. SE LEC TI ON OF ~EEDLE AN D THREAD
Mll! ::r-lll!SU4. ailt 111mefr141'fJin. tt·& Ill~. !ft!
~~IRl:t< !: ~ l
ii.Ill~!!!! flt+
'l'~tt
)q: *l
~Ulltti&
120 60 30
111.tt.k'T
#!2 - #16
#!8 -#19
(!/ !OOmm ) #10
(80-100 ) (110 -12 0)
ill.ti ~!,If
l910-05(135x9)
nJ Jfl :lt it~ !!'!.Ill~ tiJ Utt
Select the apropriate thread and needle
according
to the different sewing material as
following:
Applicable kind Thin ~IB!ium hea•-y Hea>-y
of w:erial rntttrial material
Max si2e of
l20
60
30
thread
Needle size #!2 - #16 118-1119
(1/IOOmm ) #10 (80-100) (1 10-1 20)
!\eedle M>e
l9I0-05(135)(<))
Other equal suitable si2e thread usable.
,\ , t'ltt((.J:it~(~ 3)
6. T NS ERT1 :-JG OF N EEDL (F ig. 3)
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00 Fig.3
at~J:~tfttff J:'1-fUU~lt ri . ~:Tf~tt~!Al
!UT I, f.l.t1LttWilii'1Jlili, *l§iiil
0
J~fl!.fl, t~Fa. 1'i'
~:llt61tltr !,
Turning the hand wheel and raise the needle
bar to the highest position. then loose the needle
rightening
screw I. Insert the needle in the oe«lle
bar and push il up as far as it will go.
-2-
Make sure its Jon g groove faces toward the
front. Tighten needle set screw I securely.
-t;, d1 1'..,lf(lll 4, Ill S)
7.REPLACl:-lG BOBBIN C ASE (Fig.4, S)
'
Ill Fig.4
3 •
i:BFig.5
tfl fiH!! n it I. 1!jl UJ !flIii ~ .C';t 2.
~J:~·t>l5D<t, ~*9Gtt:tftf<f1 ~I, t.U.i>f)~nt
A~~•2.t..~~~;t~n3~~*~~~4mm
~. ~m~~~nm. ~~a~*J:· N~~~ ~ .
Raise latch J. then pick out the bobbin case2.
Open bed slide I and lay the rase on the case
Sthatt 2, while the case hook 3 fit location channel
4. then down the bed slide and press the case and
push the plate.
J 1., ~·Uttl.'tl
8. THREAD THE BOBBIN CASE
I. ti ' Ml tEJ:~. :5'l' :r.f Iii ft IUUJ <D4'1 A1i flil
$t~~tf.
2. ~ #1 {,g A tktliltHlr®, J1.1!'f fll!Jl!!!1i r, ffi VII
J:~~~~*n . J:~tt•~•+n~~~-~n~
jjtjc, fl - /jfOJ ttillJlft, *n~•IJ\.
3. 111'.li !'k cn taJ JIU~ tl< :ll!: VII~ Bi l!i 1%1, ~ !6 6:
~m_a~tt, l!l~~~ B :H i=J IJ!Eft' . Ill: il!l'\1 ll .C' J:ll'J~
tt ~, 9ea:li'Ci!ll "1'1:lit!UUT ®. inJ ltili:/1 :H itl ft i\fJif.\l 'I'>'

!E:f!i. t'Hl.>l:l!H~;'.9 , J.iz, tH~~.;l f.flt! fJ D . ill.J~f.i.
it~ ilW\'i !Ji~ ~n .
4.m*m~~~~. ~~~n ®. Lr~~ L*
tJi a>f!l!~ ~:l;'..J~, l'& FP liUH'UT @.
I).St op motion of needle by oUsening stop -
motion screw (I). Hold hand wheel with left hand
and tum stop-motion screw toward you
"IVith r ig ht
hand.
2).Place bobbin on bobbin winder spindle (3),
pushing it on as far as it will go.
Pre-tension (IJ
+ ...... More tension.
- .. ... . Less tension.
3). Push latch ( 2) in the direction inwcated by
arrow (A), th en start the machine.
Bobbin winder spindle (3) rotates in the direstion
indicated by arrow (B).
To adjust the amount if thread on bobbin,
looen screw (
4) on latch (2) and swing the latch
(2) and swing the l atch (2) away from you of
toward you,
as required.
4 ). For more thread on bobbin, swing latch
(2) away from you.
For less thread on bobbin,
swing latch (2)
tow ard you, if thread "'in ds unevenly on bobbin,
loosen screw (5) a
nd move pre-tension (6) ·;p or
down,
as required. an d tighten screw (5 ).
J!l F ig .6
;It.. ~ ·1>~~~( 1!17 . s. 9, 10)
9. THE IN STA LLA TION OF THE BOBBIN (Fig .7,8 , 9.10)
-3-
00 Fig.8
l!! Fig.9
00 Fig.IO
1• .li.C • ~A..ftl.C • ¥ ( 1117 ), fHi M*Hf2}l.ftl !t I
l ft tll(OO 8)
i. :13-!ilti!tll.ftl.!t;f<ll!lfo'fL 2 ( 00 9J
> !e~~itit ~!H L!,f./ i:Jj60~*-l<:l'f.Jttg.. ( jjj IO ).
I). Put the bobbin into bobbin case. Pull thread
into notch I and draw it un de r tension spring 2.
(Fig.7)
2 ). Draw thread out form slot 2 on end of
gpring I.(Fig .9 )
3 ). Pass it through bobbin case thread guise
(!) . allow about 60mm of thread out of the bobbin.
( Fig . IO )
-t, ~i!ii~ (l:l:J 11, 12, 13, 14 )
10. THREAD SURFACE STITCHES (Fig. ll ,ll,13 ,14)
A
'
00 Fig.II

00 Fig.12
&i Fig.13
!flFig.14
1. ttff illli!J~if;!j {!): ~ . ~ .lfibl.t&~.t ~I lb ~:il.. !tic
!X~i:tA. B. C. D. E~ F .
t j!Jlll !4 flliilr.JGf#~ .
i. st ti.I~ 100 iS* li:-li ~~ !k .
1). Raise needle bar to lhe highest position.
then pull the trhcad out and through A.B,C,D,E
and f.
2). As Fig.14, thread fo rm forward tc back.
3). Pull about lOOmm or thread out.
+- , t!tlaHE fft tr.Jilll iHlil t s)
II. AUJ US TING STITCH LENGTH (F i&.IS )
01 .«tH~tlt!{'=JI: ( l!Pfl-li'!! l ill~
1!1 Fig .15
-4·
tt<llill<ttt~i!B>ttt 17 iol.R~tt i'l!llii!tll I.
+ .. ..... . ..tUI !~~;
- ........ .. ttll!~li .
(2) fllJ .lllli!S ~ l'l\J illl 1!
~ fjlllJiJ&"f 2~'1' El 111.V:~H·t, tll.lo'UJ: 'flllii.!l: *'l(ltJ
tt~ .
~1.tr!!UIH!i"f 2, !ILD!tt'flffiti.f+tt~ .
'It< ~ A<t tt mt a! O;f H :tr J ol Mi $1J ilJlf!I ff 3, iiJ \Ill 'l'i 1M
itil+ (!t}tt llH~Jl'..
+ .... ...... ttJ1!1l{'=;
-. .. ....... ttm~ Ja.
Regulating the stitch length
To regulate the stitch length, turn feed
regulaUng dial 1 lOward left right as reQuired,
+........ .. to lengthen
-.......... to shorten
Changing the reverse teed
Push lever 2, release for forward feed and
down for rever.;e feed .
To regulate the re\'rse stitch length. turn lliumb
screw 3 toward left or right as required.
~ .......... to Jenathen
-..........to shorten
+=. Uffi1J~~i1<!4!.lll t6 )
1 2. ADJt:SIDG PRESSER FOOT PRESSURE (Fig.16)
JllillHtl1Ett l.l!IF.lidtr I. Di1l!ft:k.
.i!!ttttrE?;ilUJi ll~ I. Eli1l~1' .
To regulate the presser foot pres.<1re, turn
preswre regulating screw I. toward Jett to strengthen
or right to reduce pressure.
00 Fig.16
+.=:, lfitU!t:h~W~ C ll! 11)
13. ADJt:STING NEEDLE THREAD TENSION ( Fig.11 )
,l(jlll>ttl'Jt~~~i'll!i J, ~:IJ!tl;:k.
;!llOtlfeft~tUI~ 1, ~J.J~ .

+ .......... tr.:tlltl*
- .. ........ ~:1J attl'
Regulate needle thr ead tendion with tension
regulat
in g knob l. toward left to str engthen or
rig
ht to r3educe pressure.
+ .......... more tension
-..........less tendion
' .
00 Vig. 17
t-l!!l, ~Ul•*.1JHfttttr.l~'P Clll 18)
14. REG ULATE THE U:l" GTH Al'\u l.END-
ION or TAKE-UP S PRl :->G (Fig.18)
IJI Fig.18
L litt!l ~~ :t JP9~1'i :
m~ ttn• ~~~~ n1. ~ ff~ttR AC.J~:tJ
+.......... ~:tl ll*
- .. . ....... ilr: )J . ,1'
2. ft ~ M ft fiAC.Jill'P
Jllt:U V J .ri! tk~~~ ·» ui!ij( t f 2. ME~~~11tmf'I'
3, llll'\lft tU f li< J ill: =-8'~. K.* 16 1*UT 2.
I). Regulate lhe tension of teke-up spring
t.:sing a screwdriver in slot ID regulate take-
up
Sl)rin g tension by turning st ud (I ) as required.
+. ......... more tendi on
-.......... less tendion
2). Regulate the length of take-up spring
To acljust the amount of ta ke-up spring
movement, loosen screw 2 and se take-up spring
heig ht by turning the entire tendion assembly 3
toward le!t or right Then securely tighten screw 2.
t-2i , litl*.1JB'-l~;; ( li! 19 )
IS. ADJt.:ST BOBBIN THREAD TE~DION (F ig.19 )
l'iHHI rr 2, rt tii Ji);~ II!Lt !Sf I 1. il.1! 'l'i1 1\: ~ 'J lt :IJ •
- 5-
+.....•.... *J Jl!l ;k
-.......... ~;tJ~ lj'
Regulate bobbin thread tension regula tiflg s::rew 1.
+ .......... more tension
-..........less tension
Ill Fig.19
t-7'' ftti!B'-J~'P ( lll 20)
16. AFJUST NEEDLE POSITION (Fig.20)
llt ~lll~tll.tth: . 9' . :ts fi!:§:((.JiJ.llfj#;, Jigf!:,;llll
~-~ ~~.~ ~~ ~.9'.~ ~fil: T~m 8 ~ ~~AC.J
ill: :5! . 1!11 iiJ ft llH !l.el AC.I ~it: .
tt ~ = mttr~ •~ ~. ::flil ~• tt~.
Left,Center and Right needle position se ttings
a
re available for placeme nt oi bot h st raig ht and
zigzag slitch.ing.(Fig20)
To position, push le'-erin and move to dEsi.red
setUn&.
Do not make any needle position adjustment
while the needle is
in the fabric.
1' "' .t
L J. ..1
11 Ill 11
~ ~ l.4
Ill Fig.20
t--t, iJtttl!e:(llflflttMCflB'-liJil'P <Ill 21 >
17. THE AMJSTMENT OF HORIZ01'1'A1 DISTANCE (f~l)

Ill Fig.21
~ llUf ill:ti dll lir st l'!IJ I* tUI! N; - ~ £4 lit . 1IJ t1i r
ii<i!rr :
(I ) !'}: Jf l7l ttlfi '¥ ~{\'(.tr 2;
(2) r.fl\lttf-l&'F 3 If;¥: 0 flt ( ll!I A@ft );
(;JtJ!ltflttli;fft~U 2;
( 4 ) f'&1ff!ftjiHi'.l~tr I;
<s> •ttttllt~ff!fi'f 3 ~ B fi'l~;
! 6 J ~l!U~JWtt~ii'.itltf I,
U one fLxed value between the min-max of
curvilinear stitch is needed, the adjustment can be
made as follows:
I). Relemie the horizontal needle set screw 2;
2 ). Tum the spanner 3 to Oposition (i.e. A
position);
3).
Lock the set screw 2;
4 ). Release the needle set screw I:
5 ). Turn left the spanner 3 to B POSition ;
6 ). T hen lock the set screw I.
t- JI.., tll. :9t&ll ~)lb~$!JlJIJ'P ( lll 22)
1 8. TO MOUNTT HRE AD U:'<WJNDE R(fi g.22)
~·-~et~fi7tllll • &t . tJF-Jf~3(21JB~ l. Jlll!t
nrr~A~.~-~,~~ . ~~mm2A1JB ••*·~*
i!l! ~ll lJ,a·J, l&ft~90~.
While adjusting the oil amount of the machine
head,plense take out the rubber cap 3( "2" is oil
pipe ). Turn A by s:rew Sliver to adjust the i; r <Sitionof
• 1•• V.1tile the position is shown in the oil amount
is max.II you wa nt to edcrease the oil amount.
P lease turr1 • l" ar o Wld 90• ,
-6-
00 Fig.22
t- ft., &:ffi.ii~:/(!l ( ill 23)
19 . ASS E MB L AGE OF BE LT CO VER (Fig.23)
@!!LI:: fJ!'F~ V ~&:flfitl!il!fD";il~ - ll~.
ti.\ Id l'i' It II. tr.
s llil': '.t< ~.8£ '1 1 Hll!ri Fl!. tll~~ it~~ ltUH I Jill ,
On che table:while the V Lype belt is line
with belt co, -er, tighten thge screw.
t;nder the tabl e: after the asremblage of belt
covenn the wheel and belt should rotate freely.
Ill Fig.23
=t- ' nl~$#a93i:* ( lll 24 ,)
20. MU NT KNEE LTTIT ER (Fig.24)
1• .$.llll!lll>'l !1£ lit ll9 ill fl
I)f!ill£ tlill:l:llll~l!i =!' Q>, f!!fiJfS ~ ~ rffl.ti:tl:~ .
~~~&r~l>'l~f'f . ~ Ql ~ ® ~~m . *~~"t'!
l!i' IJiJ!f tfJ l!l! $JI~ li: "1 9•*.
2. ll Ot lllt ~at l'f.J\t!Jit
I) illi'iMill: r1!'1t'! &ii f'f, ff ©.t;; a>~~ JI!. Hi tkfft
tt~~~~nro.$.~m~~t'!~f'f~~~.~tt~
i1i fill It ;I;: IA'..
(I ) To adjust presserlilter
Lift the presser fott $ by presser lifter <D
and then adjust Q) and <D to push the knee lifter
controller
to the end. the lifting height is up to
9mm .
(2) To adjust width stitch
Adjust the knee lifter
Wlder the oil pan by
© and <:>. the loosen the adjusting screw <!!, @,

Push the knee lifter controller to t lle end, t! ." widtll
stitch is up to Max.
1£ Fig.24
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20. MODES OF SEVERAL SEWING STITCH AND
APPLICATION OF ACCESSORY
(20U33/ 43 /53/ 63)
1. li!ii
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Linea r se"'ing
In care of linear sewing, using the linear sweing
presser foo t, needle and feeding dog is better than
using multi-function ones.(Fig.25)
While do linear sewing,
the hori20ntal width
-7-
-sb.> uld be ad j us t to 0 position, the linear locking
u
nit wi th sway i ng rack of locking n eedle s haf t
can be used in combination wish swayi ng rack of
l ocking needle shaf t can be used in com bination
wi th spe:ial presser foot. needle plate and material
feeding tooth.
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2 .$1 ]~
2. Embr oidery
llilFig.25
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Preparation before embroidery
~ ). Hshould be notedthreat any free regulation can
be made at t he horii on ta.J needle distance between
min- max, set t he vertical needle dista nce to O
position and will adjust the knee- contro lparts co
make-the component con tr ol th e movemem of the
sway of needle.( fig . 24 )
2). Dis:l-.arge the presser for and needle plate and
feeding dog , then change if w ith embroidering plate.
3). Hold finnly th e end of th e surtace s!itehes with
your Jett hand, tum the out fro m the hoksof the needle
plate.
4) . To make sure to s tr e tch tightly t11e material
between the in ternal an d ex te rna l embroidering
frames, otherwise, maybe cause skipping and stitches
breaking or material creased.( Fig .26)