Siruba PK522 Datasheet

PK522
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INSTRUCTION AND PARTS LIST
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~ KAULIN MFG.CO .. LTD.
From the library of: Superior Sewing Machine & Supply LLC

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IMPORTANT SAFETY INSTRUCTIONS -------
Putting sewing systems into operation is prohibited until it has been ascertained that the sewing systems in which these
sewing machines will be built into, have conformed with the safety regulations in yourcountry.
Technical service for those sewing systems is also prohibited.
1. Observe the basic safety measures, including, but not limited to the following ones, whenever you use the machine.
2. Read all the instructions, including, butnot limited to this Instruction 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 has been ascertained that it conforms with safety rules/standards valid in yourcountry.
4. All safety devices must be in position when the machine
is ready for work or in operation. The operation without the
specified safety devices is not allowed.
5. This machine shall be operated by appropriately-trained operators.
6. Foryour personal protection, we recommend that you wear safety glasses.
7. For the following, turn offthe powerswitch or disconnect the power plug of the machine from the receptacle.
7-1 For threading needle(s), looper, spreaderetc. and replacing bobbin.
7-2 For replacing part(s)
of needle, presser foot, throat plate, looper, spreader, feed dog, needle guard, folder, cloth
guide etc.
7-3 For repair work.
7-4 When leaving the working place orwhen the working place is unattended.
7-5 When using clutch motors without applying brake, it has to be waited until the motorstopped totally.
8. Ifyou should allow oil, grease, etc. use with the machine and devices to come in contact with youreyes or skin
or
swallow any of such liquid by mistake, immediately wash the contacted areas and consult a medical doctor.
9. Tampering with the live parts and devices, regardless of whether the machine is powered, is prohibited.
10. Repair, remodeling and adjustment works mustonly be done
by appropriately trained technicians or specially skilled
presonnel. Only spare parts designated by JUKI can be used for repairs.
11 . General maintenance and inspection works have to be done by appropriately trained personnel.
12. Repairand maintenance works
of electrical components shall be conducted by qualified electric technicians or under
the audit and guidance
of specially skilled personnel.
Whenever you find a failure
of any of electrical components, immediately stop the machine.
13. Before making repair and maintenanceworks on the machine equipped with pneumatic parts such as an air cylinder,
the aircompressor has to be detached from the machine and the compressed airsupply has to
be cut off.
Existing residual air pressure afterdisconnecting the
air compressor from the machine has to be expelled.
Exceptions tothis are only adjustments and performance checks done
by appropriately trained technicians or specially
skilled personnel.
14. Periodically clean the machine throughout the period
of use.
15 . Grounding the machine is always necessary for the normal operation of the machine. The machine has to be operated
in an environment that is free from strong noise sources such
as high-frequency welder.
16. An appropriate power plug has to be attached to the machine
by electric technicians. Power plug has to be connected
to a grounded receptacle.
17. The machine is only allowed to be used
for the purpose intended. Other used are not allowed.
18. Remodel
or modify the machine in accordance with the safety rules/standards while taking all the effective safety
measures. JUKI assumes no responsibility
for damage caused by remodeling or modification of the machine.
19. Warning hints are marked with the two shown symbols.
~ Danger of injuryto operator or service staff
& Items requiring special attention
From the library of: Superior Sewing Machine & Supply LLC

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From the library of: Superior Sewing Machine & Supply LLC

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&
FOR SAFE OPERATION
1. To avoid immediate rotation of the machine afterturning the power on, checkto be sure that the cloth feed
cam on the machine head is in the stop-motion position.
2.
To avoid possible personal injury, never operate the machine with safety devices such as beltcoverand
eye protecting cover removed.
3.
To avoid possible personal injury due to involvement, keep your fingers, head and clothes away from the
handwheel, V beltand motor while the machine is in operation. In addition, place nothing nearthe
aforementioned parts.
4.
To avoid possible personal injury, never place your fingers nearthe needle when turning the power on or
while the machine is in operation.
5. To avoid possible personal injury, never place your fingers inside the thread take-up cover while the
machine
is in operation.
6. The hook rotates at a high speed while the machine is in operation. To avoid possible injury to hands, keep
your hands away from the hookwhile the machine is in operation. In addition, be sure to turn the power off
when replacing a bobbin.
7. To avoid possible personal injury, exercise care not to allowyourfingers to get caught in the machine when
tilting the machine
or returning it to the home position.
8.
To avoid possible accidents due to abrupt start of the machine, turn the power off when tilting the machine
head and removing the belt cover and the V belt.
9.
To prevent possible accidents because of electricshock, do notoperate the machine with the power earth
removed.
10. Be sure to tum offthe power switch in prior to the connection/disconnection
of the power plug.
11 . In time of thunderand lightning, stop your work and disconnectthe power plug for safety's sake.
12. Ifthe machine is suddenly moved from a cold place to a warm place,
dew condensation may be observed.
In this case, turn on the powerto the machine after you have confirmed that there is no danger
of water
drops in the machine.
fi\. CAUTION:
[D The safety.devices, "eye guard cove r" , "finger guard", etc ., may be omitted in the figures of this manual
for easy explanation. Never use the machine with these safety devices removed.
1.
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From the library of: Superior Sewing Machine & Supply LLC

~4~
CONTENTS
IMPORTANTSAFETY INSTRUCTIONS ····························································································· 6
CAUTIONS BEFORE OPERATIONS ································································································· 6
1. INSTALLING THE MOTOR ········································································································· 8
2. INSTALLING THE THREAD STAND ····························································································· 8
3. REMOVING THE BELT COVER ·································································································· 9
4. RAISING THE MACHINE HEAD ·
.............. · .......... ·····....·..··........... ............ ·....·......·.... .. .......... ·....· 9
5. INSTALLING THE MACHINE HEAD
............................................................................................. 10
6. ATTACHING THE IDLER PULLEY
................. .. .......... ......... .. ....................................................... .10
7. MOTOR PULLEYS AND BELTS ···.
........................ ..... ......... ..... .. .. . ....... ......... .· .......... ···· ............... 11
8. ATTACHING THE CHAIN ··········································································································· 13
9. LUBRICATION ...... · .......... ··············......·······........· ............ ··· .. ····· ........ · .......... ···......···..·· ...... ···· 13
10. OPERATING THE SEWING MACHINE
........ .. ........................ .' ...................................................... 14
11 . MATERIALS AND NEEDLES TO BE USED ................. .. ........... ................ ...... .................... ........... 15
1
2. ATTACHING THE NEEDLE ... ............................................... .. . .. ........ .................. .. . .................... 15
13. THREADING THE MACHINE .
................ ........... ............. .............. .. ............... .. .. ..... .. .. .. ......... ...... 16
14. REMOVING AND INSTALLING THE BOBBIN CASE ....·......·....
.. ...... ...... · .............. .. ..· ............ · ........ ·16
15 . WINDINGA BOBBIN ..... ............... .......... ......... .. ....... .... ........ ...... ............. .................... ..... ........ 17
16. THREADING THE BOBBIN CASE ·······
······ ··· ········································· · ······· ········ ······ ······· ········· 17
17. THREAD TENSION
.......... ·····..··· .......... ·..·· ........ · .............. ········ ................... ··.· .. ..·······......··· ...... 17
18.ADJUSTING THE THREAD TAKE-UP SPRING ····
··········· ·········· ·· ·· ······ ··· ··························· ····· ······ ··· 18
1
9. ADJUSTING THE LENGTH AND WIDTH OF BAR-TACKING ····· ······· ·· ················ ·· ·· ······· ·· ·· ·· ·············· 18
20. ADJUSTING THE FEED TIMING ································································································· 19
21. NEEDLE-TO-SHUTTLE RELATION ······························································································20
22.ADJUSTING THE THREAD TENSION RELEASE TIMING ································································ 21
23.ADJUSTING THE DISK FLOATING TIMING(For S-type only) ·····························································
21
24. ADJUSTING THE THREAD TRIMMER ··························································································22
2
5. ADJUSTING THE LATERAL POSITION OF THE WORK CLAMP FO OT .................. ........ ·...... .......... ·..·22
26.ADJUSTING THE LIFT
OF THE WORK CLAMP FOOT ...... ..· .......... ·.. ............ ..· .......................... ·.... 23
27. ADJUSTING THE SAFETY PLATE
............................................................... .. ........ ......... ............ 23
28. SPECIFICATIONS ··················································································································· 24
29. TROUBLESAND CORRECTIVE MEASURES ·······················
·' ·······················································26
30. HOW TO SUPPLY GREASE TO THE REDUCER ···
·· ····· ·· ·· ·· · ·· ····· ·· ·· ·· ·· ·· · ·· ····· ·· ········· ·· ····· ·· ·· ·· ····· ·· ···28
From the library of: Superior Sewing Machine & Supply LLC

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·· ·· · ···· •··················· ··· ················ ··· ···· · ···--· ··········· ·· · ··· ·· · ··· · ........... ... .. ,.. .. ................... .. 28
From the library of: Superior Sewing Machine & Supply LLC

~6~
WARNING:
~
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work
afterturning the poweroffand ascertaining that the motor is at rest.
&
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I. ,~,
f£71tfi.It~?&1Atlbii~A~$~ . ~~~~-~ . U.~itii.~.It·lhJ§fliiiU7 .
IMPORTANT SAFETY INSTRUCTIONSI ~~511:$~
1. Do not place yourfingers near the work clamp foot while the
machine is in
ope ration.
3. N eve r bring your fingers or hair close to, or place anything
on the handwheel, V-belt, bobbin winderwheel
or motor
during operation.
It may lead to serious personal injuries.
3. ou q~ rp ~1'~ ~ =F t ~, im ~ , :t{IJIUtm
.&:t,!filfifft, v ~.&:f/fl' , RJGji , ili1' ~fEJf<!es~fU.oo o
~~ ~
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-~ - ~ I o
f ;\
,, \' 1 0 : r7
! '-J ~ li ~ · f/ t
+- : :: : l ..i
\ ! r: i
\ t li .
2. Make su re to tum offthe power switch before removing the
belt cover.
4.
If your machine is provided with a belt cover, finger guard,
and eye guard, never operate your machine with any of
them removed.
4. 3C~~.&:mfifftj}~, ilm~, ~~& lijljf* ~~~IJ\¥ . ~
1'~tt~rt~~~~ r ~"b ~ o
CAUTIONS BEFORE OPERATIONS /li.Uis.Jitf.J51·$~
X
1. Do not hold the belt cover when
carrying the sewing machine.
1. m- ~ ~ IJ\¥, m1'~ m- .&: m
j' } ~ o
2. The sewi ng machine should run in the
arrowed direction. N
ever allow the
ma ch ine to run in the reverse direction.
2. m,w ~ ~fi iJJn JJt , ~.&:m~~ il! IJ
~m&:~£ t:n tcJ < ;r ~) o @t-1 1'
~ ~W.~~Jiji o
3. Remove the rubber plug. If the felt
placed inside
ha s dried, lubricate the
machine referring to the description
given in "9. Lubrication".
3. MJ r ~ ~m ~, t~o:!if! • oo~tt ~~~
7 ~ ~ ~ ~ ~ ~~ " 1Joi1tl" ~ JJt§~ fi
1J D i1tl o
From the library of: Superior Sewing Machine & Supply LLC

~7~
0
))y) }
I 0/ ""'
/ o ""'
/
/
4. Before starting a ma chine which hasbeen newly set up or has not been used fora long period of time, apply a few drops of the
lubricating oil to main shaft components through
hole8 , one drop to the racing surface 8 of the shuttle race, and infiltrate amount
of the lubricating oil to the machine bed oil felte
4. :tJJ:?i: ~ffl*ii ,f@J.~~, ~~m ~~r.n &:ij~ms":Jli,W tt~ . ~rm i!!l ~illl5 B e JJo2-3~, rmme~'ftm, oo e1Jo1~iffi , rmftiffi
tt eiffir~if'JJ o
5. Be sure to fix eye protecting covere with screw8 on machine frame before putting the
machine into service.
From the library of: Superior Sewing Machine & Supply LLC

~8~
WARNING:
The machine has to be installed by a serviceman
or maintenance personnel in accordance with the
Instruction Manual. Set-up
of the machine has to
be started after turning OFF the power to the
machi
ne .
:lt~*l*'-1*~· alilftlif!A~:§X$
fJJAiiH!UaltiB.f.IJIH~itUr . je~
il*'lfl~ , ··N·i!~il~i .
1. INSTALLING THE MOTOR /,~lfa91t~J55!
!A
&
WARNING:
To protect against possible per sonal injury due to abrupt start of the machine, be sure to start the following work
afterturning the poweroffand ascertaining that the motor
is at rest.
':£.:1%
I. ~~~
m 71tfjll:~?&@lhi!.SXA.~t$~ , illlltt•i! . u.~ltfiiWfJ.ll:MihFcPJitUr .
1.Attach motor base• to table8 using bolte, vibration-
proof rubber pad0 , washer 0 , spring washer0 ,and
nutO.
2. Using bolt Ci) , washerO , spring washer Q) , and nut0
install motor 8 to motor base8
1. ffl~it~3C~~~ · - ~it~~ · ' zp~ ):f et , ~!'fl~~
wo, :i'\ fi'!~a o re .~ifl* 8 ~~ ~u1l ~ 'G . .t.o
2. ffl /\fi'l~~ · , zp: ~J:f 6il , si\!JY£~J:f Q) , /\%1!ltl«-at 0 re
~jf f) 3/:~~ IJ~ it~ 8 .l:. o
2. INSTALLING THE THREAD STAND I *l~~il:a9it~
/C;
c;:/ .:
~
'
i
~
.. ._.,e ~
....... ~ ... ~
9 ""'
. i
i
w
r:
''
I;
J
Assemble the thread stand, and set it in the hole in the
table.
Tighten nut8 to fix the thread stand.
If ceiling wiring is made, pass the power co rd through
spool rest rod8 .
re~~~t!3C~~UtlBfL ...t a
t•~IID;E~e e . ISJ}Efi~~~~~o
llJ .t:J~a~r ~~~, ID!fre~?mi~iitf~$1@ff 8 1iJ~j§ o
From the library of: Superior Sewing Machine & Supply LLC

~9~
3. REMOVING THE BELT COVER I &:~9~.!1~9tfi~nn5!
~
&
WARNING:
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work
afterturning the power off and ascertaining that the motor is at rest.
'!.:1%.
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I. #1:.1' m
71tfj11:~?&~11Ji§JiXAjt*~ · ~~~~~-~ . fii~J~itfil'l~li:MibFcMiiMi o
- -- 0
To remove the belt cover, loosen screwe and tilt the belt
cover
away from you until itcomes off then lift it.
* lntall the belt cover
by reversing the above proceduce.
m~~~~a~.~~~~~~~ -. ~~~~a~~n
fb{itl¥} ~ J:filJillo
* *'~~~a~ . tft:Wtlfff P ~:f§&IY-JJ I I\'V¥j!ff o
4. RAISING THE MACHINE HEAD I *1*1Jml~9~~JJ)!
WARNING:
~
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work
afterturning the power offand ascertaining that the motor is at rest.
&
'!.:1%.
' B
I. '1:.1'
~ 71tfj ll:~?&f§t1Ji§JiXAjt !JI~ . ~~~~~-~. ~~ . ~itfil'l~ ll:ftltiFcMiiUro
1. Remove the belt cover. With the machine head set in its installing position
on the
ma chine table, raise the machine head in direction 0 while pushing
down (in direction
)0 bed lockere.
2. Releasing the bed locker, further raise the machine head in direction0 until
it locks.
*To lowerthe machine head, push up the bed locker to release the lock.
1. ~T ~~)'}a, :tE~Wm~:f'~:ttmBIY-JitJ\fm T ,
~T<~~ O) tft:m B ~~~ · .~~wm~~
~ 0 n~tiliill o
2. ¥~0011 B ~~~ . rJt~~ 0 n~~itttJ:tiliill
~W.11iR~U~~ f .t ffi&Jl:. o
* ~W11~@~~~ . filiill~B~~~ . M~~~ .
fb T ~W.m o
From the library of: Superior Sewing Machine & Supply LLC

~10~
5. INSTALLING THE MACHINE HEAD I Mi9J#IMH~a9~~n5!
At
&
WARNING:
Turn OFF the power before starting the work so as to prevent accidents caused by abruptstart of the sewing
machine.
Be sure to raise the machine head with both hands. Move your hands
off the machine head after ascertaining
that the bed locker has been locked.
'~XI:.
~71!till:a9~~-M!: . ~~~~~-~~~~~7"M~IUUJft::t'lb~lliitU1' .
I. ~~~
ltffl."fffliiliiM .
~7·~---~Z~lli~~--¥ .
1. Install bed mounting basee to machine tableO
using bolts 8, flat washers 8 ande,and nuts CD
(each 3 pes.).
2. Fix point0 before raising the machine head.
Then fix two points
6.
1. mr:%3~~ · , zp:~ Jt • e , r:P3~a • ~ 3 1'1, :tE
5'JX~ ge 'JX~JIJ.ttt i:J CD ..t o
2. 9tiEI~ O ffB, ?&tt t ~illime1L !e!J:E a g B ~ 2@l tti!1J o
~i§flmt~ , ~~IJ.I~flmtift~
ftO(l{J-=F . ~1'.te-=FW1.iU~fl
H~m~ii~i1'zll1 .
6. ATTACHING THE IDLER PULLEY I i'ft-a{]~~
At
&
WARNING:
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work
afterturning the power
off and ascertaining that the motor is at rest.
'~XI:.
' E3
I. ~~~
ii 71t':i .Lt~~811Ji.§liX.A.a- $~ , a.lll~·~ · ~J!~ltfiiW~ lf::.fllhFc:JiiitMi' .
Fix idler pulleye to mounting plate8 by setscrewe.
(Caution) Adjust the clearance at 0 to justallow the V beltto
pass itthrough.
1E ' IW~ 8 ffl !el~~&% e ~Jm5E¥ U '!X~:t& 8 ..t o
( ~~) 0 $~rd'l~)ji:JJ!fiEgJV~&:1ff3m~ o
From the library of: Superior Sewing Machine & Supply LLC

~11~
7. MOTOR PULLEYS AND BELTS I .~itltfif.~Jttl
1. M-type V belts are used for this model of sew ing machine.
2. This sewing machine users
two V belts, one for high-speed sewing, and the other for low-speed sewing.
3. The table below shows the relation between the motorpulleys, V belts, and sewing speeds.
Frequency Sewing speed Motor pulley part No. Engraved mark High-speed Vbelt (mm) Low-speed V belt(mm)
2300rpm *
13531 108 50-2300 MTJVM005000(1270)
50Hz 2000rpm * 13531207 5
0-2000 MTJVM004900(1245) MTJVM004600( 11 68)
tR OOrp m 13531306 50-1 800 MTJVM004800(121 9)
2300rpm *13531405 60-23 00 MTJVM004900(1245)
60Hz 2000rpm *13531504 60-2000 MTJVM004800(
121 9) MTJVM004600(1168)
1800rpm 13531603 60
-1 ROO
MTJVM004800(1219)
Note: The motor pulleys marked with asterisks are applicable on ly to cotton thread. Please orderthe motor pulleys for threads otherthan cotton
thread.
1. i ~J§M m!t'I9V ]f; &:t,:'!¥ "
2. :<t>: fitm-t~~ m r.~J~fflffif~~mz f l5\'iviD&:~ 0
3. .' W b~&:t,¥r~ffi&:t,'f! , ji~M~Et91m*~ D T* J5!f 5fo
fi$
""'
.~il&:li•(l(rW~
~J~P~7F
jij;!VW~&:t.f Cmm) iftifVW ~&:tili (mm)
2300rpm *13531108 5
0-2300
MTJVM005000( 12 70)
50Hz 2000rpm * 13531207 50-2000 MTJVM004900(1245) MTJVM004600(11
68)
1800rpm 13531306 50- l
ROO
MTJVM004R00(1219)
2300rpm *13531405 60-2300 MTJVM004900(1245)
60Hz 2000rpm * 13531504 60-2000 MTJVM004800(1219) MTJVM004600(1168)
1800rpm 13531603 60- 1800 MTJVM004800(1219)
WARNING:
~
To protect against possible personal injury due to abruptstart of the machine, be sure to start the following work
& afterturning the poweroffand ascertaining that the motor is
at rest.
'£.:1%
I. ,~,
1§ 71ifj J.l:~~51bl!.61Aa-$~ . awlll~•:s . ~~itfi'IW~ J.I:.111Fc~~~7 .
*Installing the motorpulley
Set m otor pull ey e o nt o motor shaft 0 so that one of two setscrewse
me ets th e flat part of the motor shaft. Then tighten setscrews e.
* .~ii&:~-(I(J~~
felJ!i;llSlli¥¥ Me ~~ : liMili:i!J.!i,~ft!l . H * tlll e t¥J lfi !!!$~Dz f !E
f!m }E~t.;** • tp i¥]1 f !E f.t~ 0 :Jelf!m)i:~** · ~ ~ 0
From the library of: Superior Sewing Machine & Supply LLC

~12~
* J.t~a~nm~
*Attaching the belts
1. Set high-speed V belt8 on the large diameters of high-speed pulley 8 and the motor
pulley.
2. Set low-speed V belt e on the small diameters oflow - speed pu lley e and the motor
pulley thro u ght pr ess ur e de cr eas ing pulley e and idler pulley• .
3.
Move the motor pulley back or forth to provide a 2 to 3mm clearance b etween high-
speed v belt eand
bobbin winder whee!O.
4. Lomen setsc rew t9, and move the motor to the right or left to make adjustm en t so that
the
high-speed V belt comes evenly in contact with the b ob bin winder whee l wh en
the bobbin winder is used (refer to "15. winding a bobbin").
5. Loosen setscrew0 ,and mov e motor base Q) up or d own by adjusting nut 0 to perform
ad
ju s tment so that the high -s peed V belt slacks abo ut IO mm whe n yo u push th e belt at
middle f) .
6. Loosen set sc rewfB , a nd move idler pulley 4!) in th e arrowed direction to perform
adjust
ment so that the low- speed Vbelt slacks about 1 Omm when you push the belt
midd le(f).
(At this time, set the idler pulley so that it is aligned wit h eng raved marker dot ell on the
installing plate.)
1.
:te:li'§i3i vjB &:trff e tt¥ 1J jlf{ji!&:tr'fffffil & fo~ :li&:m~ B"J*iil ~ ~_t o
2. 1 [g1~ 3ivff~&:trff~)®~ ~ &:1fr~ e w·~~ e ~ ti~ IJi ~3m&:m~ e w. ~ :li&W/~L¥Y J \iil~*fti_t o
3. Mitt .t$!1UJF.!;;~&:w~ , te:l~3m&: we f!J~~M e Z rJJI¥1r a ,l\: ~r.u3m ~ 2-3 rnm c
4. ID~~fl~J:E~~m~~~mli¥J~~ < ~m 11 s. ®~ I¥J ~~:n ~ J ) , ~t11!f!IJ:E~**- e, tr: k:i.f$JJJ&: w~ . tef.li
3i v jB&:tr'ff f!J ~~~~~~~~*~ o
s. t ;~l!f!JJ:EM:**- 0, lr:ti.f$ii.J .~jt, ffi~ ~ ~~W~ffl: ® ~f-J-Wijj~, !tl'fmi'§i§!fvff~&:t,lffB"J~~ O ti3!ey if.'J T:!fE. l Otnm o
6. l*~l!f!I J:E t' **- 4!1, r alfriml nrta.t$i!Jifi~ 4ll ~n ~lf. m ¥- ~1~11Ev* ~ &:1ffili¥Jcp1\: e rm~¥-rf * tomm o
From the library of: Superior Sewing Machine & Supply LLC

~13~
8. ATTACHING THE CHAIN /il1tla9tt~5!
~
&
WARNING:
To protect against possible personal injury due to abruptstart of the machine, be sure to start the following work
after turning the power offand ascertaining that the motor is
at rest.
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/. IU#'
li71tf:il.l:[email protected]!l«AA$~, 91m~ii:~, il~.~;til.ff l.l:ft!JJFc:pJ;tt~J' .
HookS-shaped hook f) into the hole in the tip of starting
lever
8, and attach chainG to the S-shaped hook.
9. LUBRICATION /1JD5m
~
&
WARNING:
To protectagainst possible personal injury due to abrupt start of the machine, be sure to start the following work
afterturning the power
off and ascertaining that the motor is at rest.
't==
~ B
/. IU#'
m 7!$t:il.I:~~@IJJ~l«AA*~· ~lm~il:~. iil:~.~;tiiW'f* l.I:MI1.JJ!i:pjil~1'.
1. Lubricate the machine once a day from lubrication hole 8.
The machine can also be lubricated by removing rubber
pluge.
2. Use Juki New Defrix Oil No.2 orspindle oil No.2 as the
lubrication oil.
* When using the thread guide of silicone oil lubricating unit.
(optionally available)
Supply silicone oil through silicone oil lubricating hole f) when
using thread guide e
of silicone oil lubricating unit.
Atthis time, check that the thread which has passed through
thread guide e has the silicone oil on it.
1. iWr1JD<1EfL8~-WIW&8, 4JJ7.j~~j:t!11JD<1EFX o
2. ll1H~fl3JUKI No.2~;1EJJX;z~~W~nB o
*iRffltt1M~~~,~~I!i¥ C ~~~ )
~Jft1~\Ht~~~-l*OI!i¥, mi?£~~1JD<1EtL81JDA.1ilt~:£<1E ( {iinl:J) "
Jltl!i¥, ®~~~~~~o J:t!1~~-U~:W{ii<1E o
From the library of: Superior Sewing Machine & Supply LLC

~14~
10. OPERATING THE SEWING MACHINE /*IMJ~a~H.Iifit
Ope rate the sew ing machine in the foll ow ing pro cedure:
1.
Tum on the p ower switch.
2. Depr
ess the starting pedal a littl e, and the work clamp f oot w ill come down. When you want
to make the
work clamp foot go up, release the pedal.
3. Furt
her depre ss the pedal, and th e sewing machine starts bar- racking. I mme diat ely after the
s
ewing ma chine starts bar-ra cking, release the pedal.
4.
When the mac hin e has completed the specified ba r-t acki ng cycle, the wo rk clamp f oot will
automatically go up, and the n eed le an d bobbin thr eads are trimm ed before the machine stops.
(Cautions) 1. Be sure to release the pedal as soon as the machine starts bar-tacking, or
else the machinewill notstop at the prodetermined point.
2. Ifyou fail
to depress the pedal sufficiently, the machine may stop at the first
stitch. In this case, depress the pedal gain sufficiently.
3.
If the machine will not start even when you depress itstrong enough, turn
offthe powerswitch, and remove the belt cover. Then turn changeover
pulley e (Knurled part) in
the arrowed direction of low-speed pulley• .
4. This sewing machine may run rather unsmoothly on a cold morning because
it
use s grease for the lubrication of several parts. In such a case, allowthe
machine to idle for 5
or 6 times before starting the work.
*To operate the sewing machi ne manually;
WARNING:
Carry outthe following steps of procedure after the power switch has been turned OFF.
Turn off the powe r switch, remove the upper end spri ng8 , give lo w-speed pulley e two turns in the arrowed direction and the work clamp
foot will
come down . Th en depress the starting pedal, and the machine c an be run manually.
~ ttrf ~Ua-:J A !ft~~~ o
t. fTIJf.lil! lw. OOIUJ o
2. ffiWJ .i!*MI!l1Jr.lifBL ~RW -v~ o l"l*MmmiD ..tf Hii'f, ~j~RfiD~OOr./i t&, mne~Jllt~ ..tft-o
3. l"}ll,f{ ~~*• ~~~!WJtiE!M\M:I.J o ~~liJ 1 ~~jlj'ffi~IJI!m~t& o
4. UD11'7fn~ IY-JJhf'F 1~. D§Jha-:J..tft, WUT..t~~~f'tli.:.IIJJ f'F o
n.t•)
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2. MMJUfiR~:;;n~.~ma~ . ~PJ~a;1&tFcll~.lJ: . il~a.mnrlMfi .
3. .fflt.JU~MSJW~~~ID~ , -·~·i1-llll , tfl""Flt.~U!. reftflltf;liflfii e < li~Dffl!l't-Jml~ ) M¥41a:iiltfl'*•l't-Jfi
mt1JIRJ .
4. **1*1.ltll't-J-&~U:I$J1!1I17~illli , ll51M . tiWJtll't-J"Ih*WI . f;!ldtM~·s-6li!J5~il~ft'Ftl .
From the library of: Superior Sewing Machine & Supply LLC

~15~
11. MATERIALS AND NEEDLES TO BE USED I lttt~01ti*~A{J31ti1J5!
Material Needle Needle plate needle hole guide Class
or work
Extra lig ht -weig ht material #
11 ( DP X 5)
D2426282COO Knit goods, tri
cot we ar
Sy nth etic fiber material #14 ( DP x 5, SUPER needl e) B2426280000 (sta nd ard) Men's suit
s, Ladies' wear
Medium- weight material
#16 ( DP XS)
B2426280000 (standard) Men's suits, Ladies' wear
Heavy-weight material
#18 ( DP x 5) B2426280000 (standard) Working wear, overcoats
;{fjf*
Mitt tt1UirtiJB
-~.i.
t3!~*'1-
#11 ( DP X 5)
D 24 26 282COO
jt~.fc ' rlfif..}t{~
ft ~
#14 (DPxs .~-tl~ t ) B2426280000 (~$)
~!l!'i,~!l!'i
tf:!JJ* ~
#16 ( DP X5)
B2426280000 (~$ )
~!l!'i,~~
JJ;j<;~ # 18 ( DP X 5) B2 426280000
(~$) IfFij~ , ::k:t<:~
12. ATTACHING THE NEEDLE I *l~tA93t~1J5!
WARNING:
~
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work
afterturning the power
off and ascertaining that the mo tor is at rest.
&
~==
i. JG!~
~7~J.I:.~~@Ibii!UAJt·~ · flllll~t» . ~J~;tMi1W'{:$J.I:.MIJJFc~)l~t .
3C~~~ t rey, ~~~IBJ5E~&\1 e , tel.fil i te~ *tiJiiErtoOOM . tel
-ilit~~~1 f H tff f L miA. , ?!.: 13tt;~[ji!)YE~ **- • o
() :£;1 )
1. ~D·M~~DOII~m~ . a.reMttWn11H1~!M. .
2. 11::MUi~itlln~ . IW~Jf.lil::li'JJf.liH*&.it .
Loosening se ts c rew e. in se rt needle e full y into th e needle
bar hole
with the long groove of th e needle fa cing towards
yo u, then tighten set sc rew 8 .
(Cautions) 1. If the bar-tacking stitches asOshown ab-
ove are produced, install the needle so
that it slightly faces to the left.
2. Use a SUPER needle for synthetic fiber
when sewing with synthetic fiber thread
or material.
From the library of: Superior Sewing Machine & Supply LLC

~16~
13. THREADING THE MACHINE I J:Jl~9~*in5~
#\
&
WARNING:
To protect against possible personal injury due to abrupt start of the machine, be sure to start the fo ll owing work
afterturning the poweroffand ascertaining that the motor
is at rest.
'!~
' B
/, IU,\
li71lfill:~~P.Rihl§.s.tA..••~. ~1111$11~ . u.~ii~W~ll:•lhJ6M-i1Ui .
Thread the mach in e in the or der a.~ s hown above. Leave
thread
of approx. 4cm on the needle.
(Cautions) 1. Ifthe machine is equipped with a
silicon oil lubricating unit, pass the
thread through guide e
of the si li con
oil lubricating unit. (Thesilicon oil
lubricating unit is optionally available.)
< a• l
2. For a thick thread, pass the thread
through only one
of the two holes in
needle barthread
guide• .
1. 1£fflj!) dlley , ~~~,....... . (ill •• f4)
2. UH~ , !I.R~&tffd.ftea~-111L .
14. REMOVING AND INSTALLING THE BOBBIN CASE I ~tia9Im-rM.A
#\
&
WARNING:
To protectagainst possible personal injury due to abrupt start of the machine, be sure to start the following work
afterturning the power
off and ascertaining that the motor is at rest.
'!~
' B
/. IU#\
ji71l1Jll:~~@lhi§I£Aa-•~ . illlltf.'lliF- , U . ~;iii.~ll:f!llbJ6JiitM'T .
1. Open cylind er arm cap 8.
2. Raise and hold the latch lever of bobb in cas e (i} to take it out. Th e bobb in in the bo bbin
ca.se does not fail as far as latch lever e is raised and held.
3. To load
the bobb in case into the s hut tle, fit it on to the shaft of the shuttle and snap in the
latch lever of the bobbin case.
t . HOO Wiftt~~ eo
2.~~ ~ - ~~~ - ~ili~~ o ¥ $~~~~~~*~~ 0
3. tiA I!if , JE\ ME ttttai~Umi f~~_t . ~1tdU J M~~ o
From the library of: Superior Sewing Machine & Supply LLC

~17~
15. WINDING A BOBBIN I ~Wa9W=Mn5~
1. Attach bobbin 8 to bobbin winder spindle@.
2. Thread the winder in the order as illustrated and wind the thread onto the
bobbin four or five turns.
3.
Push bobbin wmder trip latch 0 towards the bobbin (in the arrowed
direction),
and the winder starts to wind the bobbin. The winder will
automatically stop
as soon as it has wound a predeter-mined amount
(80% of the capacity of the bobbin) of thread round the bobbin.
4. To adjust the amount of thread wound round the bobbin, loosen nut 8
and sc rew in adjusting screw 0 to decrease the thread amount.
5. If the thread is not wound evenly round the bobbin, loosen screw (i) and
move bobbin winder base 8 in the arrowed direction to make adjustment.
(Caution) Ensure to use the genuine JUKI bobbin case and bobbin.
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16. THREADING THE BOBBIN CASE IME-Mra9fi.A.n5~
1. Hold bobbin 8 in hand so that it spins counterclockwise and set it in bobbin case f).
2. Pass the thread throgh slot 0 in the bobbin case. Pull the thread to pass it under the tension spring
out to thread exit$. At this time, confirm that the bobbin spins in the arrow ed direction when
the thread is pulled.
3. Pass
the thread through hole 0, and allow the thread to trail about 2.5cm from the hole.
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17. THREAD TENSION I *l~JJ
*Adjusting the needle thread tension
As thread tension controller No. 1 8 is turned clockwise, the length of the
thread remaining on the needle after thread trimming will decrease, and vice
versa,
Minimize the length of the thread remaining on the needle as far as
the thread does not slip off the needle. As thread tension controller No. 2 f)
is turned clockwise, the needle thread tension increases, and versa.
* Adjusting the bobbin thread tension
Turning thread tension adjusting screw 8 clockwise will increase the bobbin
thread tension, and vice versa.
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From the library of: Superior Sewing Machine & Supply LLC

~18~
18. ADJUSTING THE THREAD TAKE-UP SPRING I Wi~ii~iiJiff
The no rm al stroke of thread take-up spring 8 is 6 to 8 mm , and th e tensi on
at the starting point is 0.3 to O.S N .
*Adjusting the stroke
Loos en screw8 ,and cum tension contro ll er asse mbly e clockwise to increase
the s
tro ke or co unt ercloc kwi se to decrease it.
*Adjusting the tension
l mert the bl a de of a flat -bi t scr ew dri ve r int o the groove in the tens ion post8 ,
and
turn it clockwise to in crease the tension or counterclockwise to decr eas e it.
(Caution) Decrease the tension of the thread take-up spring for a
synthetic fiber thread.
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19. ADJUSTING THE LENGTH AND WIDTH OF BAR- TACKING I
MMJR'i"a~DiJiff
WARNING:
~
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work
after turning the powero
ff and ascertaining thatthe motoris at rest.
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*Adjusting the bartacklng lenght
Push and open bed cover (A )e in the arro wed direction, and loosen
nut 8 . Mov e feed across regulator e towards you to in crease the ba -
r
ta c king length or away from you to decre as e it. Af ter adjustment, ti g-
ht en nut 8 and close bed cover (A) e .
*Adjusting the bartacking width
Push and ope n b ed cover (B ) 0 in the arrowed dir ection, and l oosen
nut @. M ov e feed regulat or 0 to t he le ft to increase the hartacking
widt h or to the ri g ht to de crease it . Mt er adjustment, ti ght en nut 0
and
dose bed co ve r (B) 0 .
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~19~
20. ADJUSTING THE FEED TIMING I ~{f]I6J~89~fri
WARNING:
~
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work
after turning the power offand ascertaining that the motor is
at rest.
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1. Rai se the machine head. (See "4. Raising the ma c hine head")
2.
Loosening hexagon nut f) and socket s crew 8, tum feed c am0
to perform adjustment so that the material feed is completed at
the moment the point of needle e has lowered to a height of 7
to 1 Omm above the surface of throat plate8 . Turning the feed
cam clockwise will delay the compl etion of the material feed,
and vice versa.
3.
After adjustment, securely tighten soc ket screw e and hexagon
nut@).
-fi Better thread temion is obtained as the above-mentioned height
is adjusted to about 7mm.
ti If starting stitches formed are loose when using a synthetic fiber
thread, adjust
the above-mentioned height to about lOmm in
order to prev e nt such trouble.
4. Stop-motion regulating c am Ci) is turned together with feed ca-
m0 . Therefore, loo s en setscrew 0 and turn the stop-motion
regulating c am to make adjustment so that stop-motion regula-
ting cam roller 8 enters stop motion from the low-speed revo-
lution when stop-motion hook 0 tills onto stop-motion cam
sc rew No. 1 0 at the final stitch.
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