Jack J?796-5-36 User manual

开头语
衷心感谢您购买本公司产品！使用缝纫机之
前，请认真阅读此说明书。本说明书介绍了缝纫
机日常使用、维护与安全的有关注意事项。请您
仔细加以保管，以便日后查阅。如产品规格或外
观经过改良可能会与说明书略有不同，恕不另行
通知。
PROLOGUE
Thanking you for your purchase our products
sincerely, please reading the manual book before
operation, the book introduce some points how to
operate, maintenance, and safe. Please keep it
carefully for reading in the further; you will be not
informed if the file has been revised. Please set
sample as standard.
-Ⅰ-

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CAUTION
OBSERVETHESE SAFETY PRECAUTIONS
Though JACK takes the ut most care to
produce safe sewing machines and devices,
operstors should follow these basicsafety
rules.
•
To prevent acc idents,do not remove safety
devicesor partswhite operating the
machine.
• Do notleave tools or otherunnecessary
objects on the machine table while
operating t he machine.
•Before maintenance,ad ju sling, cleaning,
threadi ng or replacing the needle, and to
prevent acc idents,be sure the power is
turned off.Check t
hat the machinewill not
operate when the pedal is pressed.
Note -- ---- ----~
lncase a clutch lype motoris used, it will
keep on ro tating by inertia after turning
off
power supply .© If the machine pedal
@ is stepped on inadvertently , it is
dangerous because the machinewill move
unexpectedly.keepon stepping on the
pedal
<D until the machine comes to a stop
after turning
off power supply.
• Turn the power offbefore leaving the
machine table.
•
In theevent of a powerfailure.be sure lo
turn the machine off.
•Checkthat the machine is securely
groundee.
-n-

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&
- m-

IMPORTANT SAFETY INSTRUCTIONS ---- ---
Putting .se \vlng systems into operation I& prohibited until it has been asce rtained that the Se\vlng systems in
\Yhlch these sewing machineswi ll bo bull I Into, have conformed \V i th tho safety reg u lations in your co unt ry.
Technlcal service for those se\vlng systcnls Is also prohibited.
1. Observe the basic safety measures. Including,
but not limited 10 tho foll owlng ones. wheneveryou use tho
machine.
2. Read all the instruc t ions. lncludfng , but not limited to th is instruc-lion Manual before you use the machine.
In addition, keep this Instruction Manual so that you may read it at anytime when necessary.
3. Use the
machine after it h.as been ascertained that it conforms with safety rules/standards valid In your
country.
4. A ll safetydevices must be in pos iti on when the machine is ready for work or In operation.
Tho operation\Vithout the specifiedsafety devicesis not allo\ved.
5. This machine shall be operated by appropriately-trained operat ors.
6. For your per so nal prot ect i on ,vie recommend lhat you \Vear safetygtossos.
7. For the foll owing , turn off tho pO\vor &witch or dis connect tho power plug of the machine from the
receptacle.
7·1 For threadingneedlc(s).loopor, sp reader etc. and replacing bobbin.
7·2 For replacing part(s) of noodlo,pre sse r lool, throat plate. looper, spreoder, feed dog, needleguard,folder.
clolh gu id e etc.
7·3 For repair VIOfk.
7-4 When leaving the wor1ting place of wMn the working place is unottend:Ctd~
7.5 \\'hen using clutch motors without applying brake. it has to be waited until the motor stopped totall y.
8. It you should allo\v oil ,greaso,otc. used wUh the mach ine and devices to come in contact with your eyes or
skin or S\Yallo\v any of such liquid by mistake , Immediatelywash the co nractedareas and consult a medlcai
doctor.
10. Ropalr, ren1odeling and adjustment works must on ly be done by appropriately trainod tachnlclnn s or
specia lly skilled personnel. Only sporeparts d<>signated by JACK can be used for repairs.
9. Tomporfng \Vlth
the live parts and dovlcos. regardless of \vhether the machine is po\vorad,l sprohlblt :l d.
11. Goncrnl maintenance and in.speciion works have to be done by appropriately trained personne l
12. Repair and maintenance works of elec tr ic al compo n ent s shell be conducted by quallflod electric
tochn lcf-ans or undQr the audit end guidance of spec ialty skilled personnel ~
Whenever you find a failure of any of electricalcomponents. Immediately stop the machine .
13. Before making repair and maintenance works on the machineequipped with pneumaticparts such as an air
cylinder, tM air compressor has to be dctacht'dfrom the machinoand the compressed air supply has to be
cut off. Existing residual air pressureBfter disco nnecting the air compre ssor from the machlno hos to be
expc llod. Except ion s to th is are only adjustments and performance chec ks done by appropriatoly trR1ned
rechnlclans or specially skll l ed personnel.
14.Periodically clean t
he machine throughout the period of use .
15. Grounding the machine is elways necessary for the normaloperaUon of the machine. The machine has to
be operated In an environment that Is free from strong noise sources aueh as high.frequency welder.
16. An appropriate power plug has to be attached to the mach in e by electrictechnicians. Power plug has lo be
connected to a grounded receptacle. -
17.Tho machine is only allowed to be used for the purpose Inte nded . Other used are not allowed.
18. Remodel or modify the machine In accordance with t he. safetyrulealatandards v1hile taking all the effective
safetymeasures. JACK assumes no responsibility for damage caused by remodeling or modification or
lhe machine. -
19. Werning hints are marked with tho two s how n symbols.
& Danger
of Inj ury to operator or service staft
& Items
requiring speclal attention
--
IV -

•
•
•
•
•
•
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t~ I ' @.~ ti!i l*J ~ V'.J ~ 14: 0
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- v -

FOR SAFE OPERATION
~
1. To avoid electrical shock hazards, neither open the cover of the electrical box for the
motor nor touch the components mounted inside th e electrical box.
1. To avoid per sonal injury, never operate the machine with any of the bell cover, finger
guard or safety devices removed.
&
2. To prevent possible personal Inju r ies caused by being c aught in the machine, keep
your lingers ,head and clothes away from the handwheet,V belt and the motor while
the machine is operation. In aditlon ,pl ace nothing around them.
3. To avo id personal in jury, never put your hand under the needle when you turn " ON"
the power switch or operate the machine.
4. To avoidpersonal in jury , never pu1 your fingers inlo the threadtake-up cover while the
mach i ne is In operation.
5. The hook rotates al a high speedwhile the machine is in operation.To preventposs.Ible
I
nj ury to hands, be sure 10 keep your hands away from the vicinity of the hook dur in g
operation.In addition, be
sure to turn OFF the power to the machine when replacing
the bobbin .
6. To avoid possib le per sonal i njur ies,be careful not to allow your fi ngers in he machine
when tillng.'rai sing the machinehead.
7. To avoid possible accidents because of abrup t start of the machine, turn off the power
to the machinewhen lilting themachine head or removingthe belt cover and theV bell .
8. If your machine is equipped with a servo-motor, the mo to r does not produce noise
while the machine is at rest. To avoid possible accidents due to abrupt start of the
machine, be sure to turn OFFthe power to the machine.
9. To a void electrical shock hazards. never operate the sewing machine with the ground
wire for the power supp ly removed.
10. To prevent possible accidents because
of el ect ric shock or damaged e lectrical
component(s), turn OFF the power switch in prior lo the connection/disconnection of
I
the power plug
& CAUTION:
To avoid malfunction and damage of the machin e, confirm the foll ow Ing.
• Bcfor you put the machine into op erati on for the fi rst time the set·up, clean It thoroughly.
• Ren\ovc all dust gathering duri
ng transportation and oll It well.
• Confirm that the power plug has been property connected
to the po\versupply.
• Never use the machine rn the state \'there tho voltage 1ype is different tram lhc designated one.
• Th e direction o1 rotati on of the scv1fn9 machine is counterclockwise as ob serv ed f rorn the hand\vheel
• side.
Be careful not rotate it in reverse direction.
- VI -

0 E!t&:JJoIOO
El m
COTENTS
Schematic diagram of the machine table
0 §i ;33tJUt'.J'!,(~1J¥t
Installing machine head
0 g,l;3]tJLl39fiJE~1JrtJ&~~
The machine speed and the turning direction
Lubrication
o =¥-~mna
Manual lubrication
0 ff lltn ff :1J 13'.J i)i'i] l'i
Presser foot pressure
0 it~ l:t 13'.Ji)i'i]l'J
Diff. feed ratio
0 tt lltn-KJt 13'.J iJi'iJ l'i
Stitch length
0 ~if\~ 13'.J i)i'i] l'i
Thread tention
0 §i;3]f]Ll3'.Jf,lf:jg
Cleaning the machine
0 ~ft
Replacing the needle
o t&~tJLnai3'.Jfl~
Checking the oil circulation
0 t~fJLilb
Checking the oil
o rJJJ1!3'.J!J!~
Replacing the lower knife
0 i)i'i]~;f>'f-<i~~~
Adjustment dimensions
0 tJLtt;tT-<t tt%5\.f ~~
Standard needle Comparison table of epuivalent sizes
0 ;f>'f-(i]_t;~ftf~
Gauge Parts List
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17-67

~i I
~~ ..
.,
...
€tt&1JDI~
Schematic diagram ofthe machine table
~
{l ) rl
R'! .c
~,2
gg
......
- 1s-
[
"'
!!:?
Cl.A the tall4e relermg to the ciagam .
- -(52S) ------- ---<
• !!~tl ·S ee N o:as - -~ -
l
·· -- - - 294 -- - ·'
- - -- 202- - - -..i
- - -- 236 -- ---1
48r IG
-
t-B
/'.
'
"'
"'
·-
'
>-8
~
,,.._
r 1'
L4=«~r
~
.
~20
~
., I
I ~ .....
~
I
q;~ I
/ '
-A
, " ,
°'
' "'
,v
,.A
i- -- 1 83 -- +l
i-- -- '.10- - -i
"" --- 234 - -- +l
olll
.. -
411
,--------- ------- -------------------~
'a !
• • !l!IR;l!tl 'fn -t: J"t9~ i!r.f . .. ........ ···· ···· ······ · 306mm,
: e l(Jllll!tlllll'IEFKA!l<OOICK f:f~ '\lZillit.... ........ 3:1<1mm •
1 Notes !
!e Oi nK-rnoion fOt moto<S jn Japan ··········· ... ······· 306.mm t
1
eo ;m ons lontorEFKmo tor ..... · . ... .. ................... 334 mm :
~~ ------- --- ~M ·~ ----- - ---------~~---·
- l -

I 1£iflftZtfi . ;.~
t l!EFORE~~
T • .... ·'f>'
!l~m l'.f(J ~~1.i~
Installi ng the machine head
I. :t!l · fiUIH IL'W T f-1 . Jl1Z 1-. tf:nls~J-t! L IQ! Ill 11\'
4Hn1J,Jlsi.QJ&: # H~f~ L: v 1~11<:1 1 1 .
2. ~•!1.ibldillii~f.~¥1Jfll T· J1<1J i 1Jdlt •l• 1iiJ. !.'~
fl 2'.-m 1r.u((.J~~~i':1H
'
1. Mount th e machine head on the machlne rest
board.
2. Adj
ust the tension of the belt so that ii can be
about 2cm bent inward when you press the
mlddle of it
Adjust the height
of the mOlqrto do this
3. Install the beltcover referring to the Fi gure .
'
,,
,,
0''
,,
''
- 2 -
2cm

~~JJm~~ff1'fDl&ffft
The machine speed and turning direction
~ ?!JJtll.IY-1 ltcf~ h l~ J . M 11<: -l!Ht 81!:W :Jt(u 1 <..
~ilf.J.
The machine pulley rotates clockwise as seen
from the machine pulleyside.
Check your ma ch in e type and run it at appropriate
speed aslisted In
th e table below.
tiU3J~Ull!l!l
•~n• (r .p. m)
Modelo de maquina Velocidad maxima (r.p.m)
JK796/788·5·36 6
,5 00
JK796/788·5-38 6,500
JK796/788·5-48 5,500
JK796/788·5-48P2 5,000
JK796/788·5-70 6,500
JK796/788·5-86 5,500
JK796/788·5-355 6,000
JK796/788·3·01 7,000
JK796/788-4-13 6,500
JK796/788-3-16S2 6,500
JK796/788·3-17 7,000
JK796/788-4-23B 6,000
JK796/788·3·54A 5,000
JK796/788·3·55A 5,000
JK796/788·3·180 7,000
JK796/788-3-181 6,500
- 3 -

~Mr.: llt!illliji!ll! 1111t'-1 t.~~..C.~l)(JH .
4M~~fL5N.RaaN•k~~ .
lUl1i;'i ffnl~Hl~ ..J!:i~t'r.J (HIGH SPEED
SEWI NG MACHINE OIL) (ISO !bit '1 VG22
llllu1 ).
'f!tjd!
Lubrication
Afterfiling lhe oil pan. the o• surface should
lie between (H)and (L)lines.
Add oll . wllen the oil surface reaches or goes
below (L)
Not e: Use JACK recommended
[HICH SPEED SEWING MACHINE OIL)
(ISO VG22)
H
L
- 1 -

f.:~J!f;;l11 :L ft.fllt~HJlhH11JFM1W! 111 lt-t
!li:lfl.'.'i - ~..ill · J ' Jlo)l"Jt !Jl!lll f ll ·t. llifJtfft
2-3 'illii1h lllilh r/aJ:lll ;~ nHli
;EIY'1 [ HI GH SPEED SEW I NG MACHI NE
Ol lj (ISO f,J;J!t VG22 !Uli;J)
=f.iiJ:J~~IB
Manual lublication
Apply 2 or 3 drops of oil by hand when the
machine is used for t
he first ti me or has been
left unused for so- time.
Note:Use recommended
[HI GH SPEED SEWING MACHINE OILJ.
(ISO VG22)
I
HIGH SP E ED S EWING M AC HIN EOIL
'
iili ~~ W Hll.il!I
- 5 -

Bi JJ14J Bi :tJ l'.r.J wrn
Adjusting the presser foot pressure
/ l i . IJJ ~Jli 1) (l'~ ~ W IJi"if l.li:$~9:t:1 M.1 ilH r rr:. 1w. . ( ~ill
fli :I J/:ft'. t ~ ~f ' l l' f it II'~ !:J . .1$ J (..;J Hll!i lll '· J ll!: ll ll 1 ~ J . J ~ uf
MltJ! lllt111~Jft\JJ liJJ 1~~(' .
Tum adjusting screw to ad ju st th e presser
fool pressur
e. It should be as light as possible.
yet be sufficient to obtai" the proper stitch
formation.
- 6 -

~ i)J ~I: lr.Jifol il
Adjusting the diff. feed ratio
t.i!;/J~~(i(Ji.\\11'.lM'tJHll\HJ: JS . J:T .§:ij:IJ* Loosen the nut and move the lev er up and
l!rfii111Ti. ill!-W~lfi. 'llf!IJ!!l!j:YJ':it. down toobtain the correct differential feed
ratio.
Tighten t
he nut after positioning th e lever as
desired.
To shrink
- 7 -

tt JJ!P *Jl eq iJil i5
Adjusting the stitch rength
1. ilfi*W., 1'E~¥~) *W.fi~Jttl!:~~o ~.J) Jl,/
2. J!B>B!111f1*f1L it1~z;tJ¥~. ~tHlf!~iC ~/l~i2 ~*
%xtlfEEIT*r1H1<1fiuL Al" . M ~'A Coarse
1gnm ar w- /
CD While pressing the push button, turn the ~ ""'' # .,. $. \
hangwheel to seek the position at which the,..._~ ~· C
push button goes further into the depth. Ejc. . r -\~~~~
®Then , keeping the push button pressed, ~ .,..
turn the hand\Nheel and set the desired
scale to the aligning mark.
1± :~~Jl"'1\IU1' 4HH1HE\IU1' H tt:ZFo
0
.I T .
Note: Stitch length adjustment must only be ::::::::---._ ~lj\
made after the differential feed ratio ~
has been changed. ~
- 8 -

Adjusting the thread tension
tt'.ilf J iti: ~ 1¥J~ 1'. ~ JflH~\111'\l' !J!iil'il
©. 1: 'llJ'-tt lll il\11' .Ill\ r.l @. l'lJ tHJi ~ l'i ~ f.l ®
*i1Hrilll'W .
·~
~
Q: •
• I
.. . ti'~
tiHf To tighten
To loosen
- 9 -
Make tension adjustments with th e needle
thread knob (j), lhe upper looper knob (?) ,
and the low er looper knob @ .

~~!JJ:fJl.eqiJiE
Cleaning the machine
Mainly the slots of the needle plate and the
feed rows should
be cleaned.
-10 -

~tt
i!ll!'f'~li!t ".'
MA INTENANCE ~
DURING USE { Replacing
the needle
-~-~tt(l<JM S . mM ij M ~~D~.
UP 111:
01
~fl! . tf · l!Hi'!.:~.
ft ~tl!fill ACJ ldlilHLOCJ flt ti!~ .
e Checi< the nee<!le carerully to see that the
scarf is turded to lhe rear ofthe mact1<0e
e lnsen the needie tothe properdepth. ,_---....i
and fasten securely
J;~ ~ e 1il! 111 (1<J !iUJJ tt. ~ u~
Jrrl:fil..f<lll / 1t0C J "lll~Ni< lf F. " •
Be sure lo use standard
needle
Refer lo ADJUSTMENT
DIMENSIONS on
lhe
end or instructions
-- - -
- 11 -
OKI NO!
.
·+
1111! I il'l::f'~tt! - ~llll'f* ·
(N ote ) Do no t remove the SQ'eW

~\. il'lll'*'ll\lfi~ . !
!& MAINTENANCE ,
f OURING USE '
~~*Jt)IB e~ ~1!£1\
Checking the oil circulation
OK! mttlfl
- 12 -

tt ., m111ct>B!Ji¥Jf ~ t~m5m
1\ MAINTENANC ~
{ ~ bURtNG use. ~ Replacing the oil
.YLilb~J . ll( Jlk , iff:ftM!fl:Tf/lfll1- }l/ii]i~- Replacing the oil one month af ter the Orstu se
!X . t!.lli:i. fif61- Jlll! ~ - lX. and everysixmonths thereaner.( See p4 .)
IJtl! bi i'i~ .!Mil 4lii.
- 13 -