Newlong DS-9 Installation instructions

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SEWING FIEAD
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MODEL
9A
9G
9P
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For Operator Safety
Thank you for purchasing the NLI
Model DS-9 Bag Closing Machine Head.
o This manual contains the instructions and precautions for
using the Model DS-9 Bag Closing Machine Head. Be
sure to read and understand this manual before use and
use the machine correctly.
o Keep this manual near the sewing machine for easy
reference. Be sure to attach this manual to the machine
when lending or transferring it to another person or
company.
o Please orderthis manual from the nearest NLI office if it is
1ost.
O The contents ofthis manual are subject to change without
prior notice for improvement and safety purpose.
Instructions with this mark are especially
important for operator safety. Be sure to
observe these marked instructions.
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A*"=rd of Injuring the Fingers
O The Model DS-9C sewing Machine head is provided
with a built-in automatic tape/thread cutter. The
operator's fingers may be injured by the cutter. A
"hazard ofinjuring the flngers"mark is attached to the
sewing machine. Do not put your flngers in or near the
cutter when the machine is running.
Hazard of Being Caught in the Machine
o Be careful, when you insert a bag to be closed into the
sewing machine, or your fingers may be caught in the
machine between the presser foot and feed dog.
O A"Hazardous"mark is attached to the machine. \Mhen
sewing, be sure to support the bag with the hand from
beneath the sewing head and not to touch on the
machine.
o The instruction manual and parts list is subject to change without prior notice.
o ; 0) ffi *E -# flfr#,2 t \-y'J 7. F ltffi HE frt -t-A t= &> A fr /i L I : 4 E t 6 z t hrbu tt "

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WARNING
PERSONAL INJURY rvlAY
RESULT IF THE FOLLOl|llING
SAFETY PRECAUTIONS ARE
NOT OBSERVED.
BE SI'RE IHE AREA SURRflJNDING I|ACHINE IS
FREE F AI-I HAZARDS SU$I AS FIRE, WATER,
OIL, RUBISH OR AIIYTHING THAT CAN CAUSE
IIIJI'RI?
D0 NOT 0PERATE ITACHINE ll'l AN EXPL0SIVE
AREA OR UNDER IIET CONDITIONS.
THE IIACHINE IS NOT N EXPLOSION_PROOF
TYPE NOR I{ATER-PROOF TYPE.
DO NOT OPERATE IIACHINE BEFORE READING
I NSTRUCT IOII IIANUAL.
DO NOT OPERATE I|ACHINE ON VOLTAGES OTHER
THAI{ SPECIFIED FOR THE HACHINE.
BE SURE iIACHII{E IS CONI{ECTED TO BUILDTNG
ELECTRICAL SAFETY GROUIID (EARTH).
Br sunr PowER (ND AtR suppln ts oFF
BEF0RE PERF0RIilll'lG MACHINE iilAII'ITENAI'ICE,
PARTS REPLACETENT, ADJUSTMENTS OR
CLEAI.IING.
DO ].IOT OPERATE IIACHINE IIITH GUARDS ND
COVERS REIIIOVED.
D0 NOT T0UCH Kl,llFE, NEEDLE, PULLEY, BELT
AllD ilOvltlc PARTS I{HEI'I IIACHIItE lS It{
OPERAT I ON.
BE SURE IIACHINE IS PLACED ON A SIIIOOTH
(LEVEL) SURFACE ITHEN PERFORiIIIIG
li|AINTENANCE, PARTS REPLACE[lEl'IT,
ADJUSTIIEiITS, CLEANING OR STORAGE.
BE SURE THE MATERIAL TO BE SE[{N OR CLOSED
COIPLIES I{llH THE I'lA$llNE SPECIFICATIOI{S.
DO NOT USE SPARE PARTS OTHER THAN
.ilLI' GET'IUINE PARTS.
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Where the construction permits, each part is stamped with *lIft*fqfJ,EtlO;1H
its part number. On all orders, please include part number,
part name and model name of rnachine. o =z*vYfT#(ffi) AElEffiffilaitDs-9d)ftfi8*fJ#
tffi.{ffiL<*c9*f.
Safety Rules
To prevent personal injury: . :'tstOffiil. zt*)!xl'Ozi*)*ElAf6(lffim
o All power sources to the machine must be turned offbefore (li'3V t.
threading, oilins, adjusting or replacing parts. o {Effi l:j6 EE /r,F.X. ${EE + a)&HtT.#/r,f; . t
o A1l cover and guards must be in position before operating D{&#lffitfEtfi49 lc( V t &6^lJ. f. H L \Ilf L tfcld*
machine. *Llc.=,,.-vYr''f#(*)eEig*6trl.aB*F<fl3
u\" BitDm,ffiffi*. ffiffi66. ii/)/@fi5#. :i/)/
t Do not tamper with safety cover, guards, etc., while 6ts4:ffim(ld8t,t*f&)*sffiV'.'vtlcL*-d-"
maehllre is in operation.
ldentifying ond Ordering Pqrls
Coulions When Using ihe Mochine
Mqintenonce
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Safety Precautions tA{:eUtf
1)Always turn po$rer off before threadins, oilins, and 1)f;E=#X9'iAEJtLatZDXiiEL, X\D*&,ffi&.ffi#.
adjusting the machine or replacins parts. *tJffit&. {*+,f;&{f#a-ffii.Z,fE,ffi&9lc((Id3
l/\"
2) Wear safety srasses. 2)ffi*{F#0>}SEAAlrrz^alFHt*;ffDLEf"
3) Make sure, before starting the machine, that all covers 3)A(O#'iz\-itZ'fIEEBfrlaffiD((fl5v''"
and shields are in place and closed.
4) Do not touch on the machine when it is run. 4) f zr*fta*iiffiEa(lrr6:LAffiffiL(r)BiEEL(<
fd8u."
5) Turn power off and make sure the cutter does not operate 5) ffl)Tla+b^tLbL*lt. /'f€rHt9]-a((Idttr ''"
before you put your fingers under the cutter blades and l6E.ffi*.Ctelt. Z.f€ffitgJ0:yy7)rfi7)r/3trta|
the needles to adjust. &ffiffiL(i.btF#.t'fr">((ld3tr\"
6) Do not touch on the machine when it is run. 6):y)/OiEE$lclt. iyyl.mful31ta47351rt"
o Please keep in mind to handle the machine carefirlly and to o iyvEF*t5ltffiffi/ed.3/e*Ilffii.bH*trrr<L\*f.
maintain the machine in good condition. ilHW<&$RiL&6tlHt:Effitl,L.fSiJ((li3V',.
o Thread tuzz or dust must be cleaned with air or brush on o - E A+FXrtrK-f L*Llcb. fi+ffi"D k, *9&.0>l#0>
throat plate, in the groove of feed dog or around looper F, tL-z{*a*bDIaR*aftl8LDS}*B*t,U\la}fi'9
after the day's work. ffiL\(T$L\"
o Wipe the area easy to rust with oil cloth. . ZD{frffiDL\ffiEtr}*lH&'gaffiVt((fd8Vl"
o Check the machine for loose screws and tighten them, if o E lc-Eltt-rDffi.\fiiltL\r\,F,ffrL((ld3v''.
any, once a month,
o Good maintenance will prolong the machine life. o +y'.fi,ORLHLttt#ffia#frIc**#L*fOfa'igH
(li8v''"

CONTENTS/ flYK
1 .Specifications/tlffi
2.The Points Before Operation/trEBta>ffiffi 2
S.Threadins/XiiEL
a.oiline/#iH
1. oil Filline EiH. .......4
2. Exchaneins Oil mot&-.. .......4
5.A{iustine/ffiW
1 . Thread Tension fnffi+Offi#. .... . . .... s
2. Presser Foot Pressure fF-&OffiW.... ...... s
3. Looper tv*t\*61EHH. .....6
4. Feed Mechanism E9&OAEB . ... ........ 8
5. Thread cutter f47Dffi#(ps-ge) .... 10
6. Cutter )tyV*0tiffi#Os-9c) ....t0
7. Adjustmentfor, Single Thread Sewing HffiffirrlOflfi|B. ...L2
o.Trouble shooting/\yyoh,77*a76ElL*ffe 13, 14
Parts List/ffiffi* 15-39
List of Screw, Nut & Washer/i9. fyl..,VyVf--HEl 40, 4l
Numerical Index of Parts/z{-)ffiE 42-44

1. Specification/ftffi
2. The Points Before Operation/EffitfrOffiffi
o Oil the area through which thread passes, the tension disc,
the thread guide, Iooper, etc.
(Note;An anticorrosive agent is applied to the machines at
the factory, in order to prevent rusting. It is necessary to
use oil to remove this agent. or it may prevent the thread
from passing smoothly.)
o Conirm that the machine has been threaded as per the
instructions 3. in the manual.
o Confirm that the machine has been lubricated as per the
instructions 4. in the manual.
o fi+mL<. -vY trylh<trEf 6LE l*' *\'0)i&6ffifr '
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Model DS-9A DS-gC DS-9P DS.gAW DS_gCW
Max. Speed
frHtr]E& 2700rpm 2500rpm
Ordinary Speed
HffiEffiEffi& 2500rpm 2300rpm
Stitch Length
ffiH rfr 7-11.5mm 7-10.5mm 7-11.Smm 7-11.5mm 7-10.5mm
Stitch Type
fi48#"2fr Fouble thread chain stitch
28ffiffi1,'
Needle Type and Size
#laY,,*^ t4A DR-H30#26 DRG-67#27 DR-H30#26
Cutter
itvF* Thread Cutter
*,VJDtvl* Crepe Tape Gutter
,v"/fiyr- tt"rrylfl.tv Thread Gutter
*<6lD)tvF- Grepe Tape Gutter
tv*/)tvF-
Lubrication
ffitH6fr resedoilbath frAffif'f,Ht4tv"sz
--..-_Modet ffifEft
Part*IIfr#i--i -DS-9A DS-gC DS-9P DS_gAW DS-9GW Purpose HE
Presser Foot, left
#-&#s.(E) 062251A 102135A 302161A 062391 A1022814
Standard
ffiry
Presser Foot, right
ffi-&*tr(fi) a62261 102162 062381 1A2261
Feed lfog, tront
Er&(Et) 304211 3041 31 304221 304291 104231
Feed Dog, rear
Xt&.(th) 104072 104072
Throat Plate
AFfiE 3041 81 104123 304231 304281 104241
Presser Foot, left
ffi-A*E(la)
1 021 34A 062392A 10231 1A Hand feed
+#Lffi
102136A Sub-Tape g<ffiffi
1023214 t02s31A Bag Mouth Holder
affiu)wH
Presser Foot, right
#-6ffi(E) 1021 61 Iland Feed
and Jute Bag
+ELH. ffi#H
Throat Plate
e+ffi.
1 04093
104122 by lever staft
iyyxt-1.1.,/\-{
30431 13041 71 304241 Single Thread
HffiffiVTH

3. Threadins/friEL
1. ForDS-9A,DS-9C,DS-9P(Fig.1-A. @ @ >
a) Thread @ on the left side of thread stand is Needle
thread. Thread it points O throueh @ in order.
b) Thread @ on the right hand side of thread stand is
Looper thread. Thread it points @ through @ in order.
c) Both threads should extend from the last threading point
by 15 to 20cm.
1. DS-eA,DS-e0,DS-9P 0)Efi<rie.l-A. @ @ >
a) i6 ir( o rto ->a El$lo *<@ G'tr ) AO -@Erl[F6 E iE
L(<fa'8v\"
b) iA ir ( o rFJ c\ h lill0) *, @ ( T i6 ) A@ - @ E tllF6 I r iE
L((/i8v',"
c) t i6 l*fi n' 6. T/A li.tv - f * 71. b 1 5cm-20cm { b t,'E
(HL((/dEv',"
Caution:
No stitching at all, or thread break or skipping stitches
result if t}te machine is not properly threaded. Check the
threading with (Fis.l-A,B), and be sure both Needle
thread and Looper thread are correctly thread.
DEH]
lRaiEVfi *F"1 EZ*f t. A*ffi er*u tit. *fl *t. El
fttXfa&"0>lHtrbfsL)*t "
(Fig.l -A,B)f & (f H l:/au (. -t. #. T # &t,iFEllLE l:
FpliEtrfa(iEL<<EtL\"
2.DS-eAW,DS-9CW @l6d/.Gie.t-B. @ @' @ o'>
a) -L.i6 1@ t*O -@ *reol|[FE{.rEL((IdSv''.
b) tX 2@' i*O' -@' *tolllH6[.iEL((fd3v''"
c) T/6 1@ lt@ -@ *<"olrF#l.iEL<(li'3t,."
d) TX 2O)' lt@' -@'E-eol{E6t.iEL<(li3t, ''"
2. For DS-9AW,DS-9GW(Fig.1-8. @ @'
a) Needle Thread 1 @ :Thread it points
in order
b)Needle Thread 2 @' :Thread it points
in order.
c)Looper Thread 1 @ :Thread it points
in order.
d)Looper Thread I @' :Thread it points
in order.
@ @'>
O through @
O' through @'
@ throush @
@' through @'

4. oilin g/t# lH
Oil is Completly drained from the machine before packing.
Ensure the machrne is fl1led to the correct levels as descdbed
below. Use mineral al 22-32 cSt at 40"C. (Eg. Tellus oil
#32.)
1. Oil Filling
a) Unscrew breather cap a and fiIl with oil to between the
maximum and minimum levels @.
Approximately 1,600cc should be used. (Fig.2)
b)Remove cover @ and flll with oil so that level reaches
the'red point'indicator @. Approximately 140cc should
be used. (Fig.2)
2. Exchanging Oil
a) Oil should be exchanged after the flrst 1,000 hours of
operation then after every 2,000 hours.
u) Oit oraining
As indicated (n'ie.Z) oil is drained ilom the machine by
rotating and un-pluggine.@, @.
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it-d-L(# JL 7) ffi A*r&ifr L( < rd8 r,',. lI& Et*ffr
140cc Tf" (Fig.2)
2.ifraf'+a
d &?nE. f*Eifl+Ffr 1000 F+FHl-f. -{frt{,&t-<(fi3t,''. z
El E D-lffilt 2000 ffiFfrSLlriHAt&L(T8t,."
b) ffi&&<&tst*. EXd)Xir.77f @,€)AEf L(<fi8
1, r. (Fig.2)
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Screw(1 1 /6454009)

5. Adjusting/Elf H
The looper movernent of this rnaqh.i&e tr-as hee(r qrcge(L\
adjusted before shiprnent from the factory, but if it needs
re-adjustment when it is disassembled for repair or etc,
prcceed as foilows.
1. Thread Tension (figure 3)
Thread tension is most important for successful sewing,
Maiadjustment results in thread break, skipping stitches and
break ofbag.
Proper thread tension may slightly vary with the type of bag
and thread. The norm is given below. Thread tension
regulators are mounted so that the tension is uniform for
stitch length. To adjust the tightness of seam, adjust O,@
in Figure 3:*
1) Heavy material fiute,etc.)
Thread tension regulators O should be loosened slightly
(turn the adjust nut counterclockwise), Needle thread
controller @ after loosening set screw.
2) Lisht material
Tighten thread tension regulators O (turn the adjust nut
clockwise).
3) Needle thread
At the shipment, the needle thread controller @ for
Creped Paper Tape is adjusted a iittle downward. In case
of using sewing machine without Creped paper Tape, the
needle thread controller @ should be re-adjusted
upward.
The feed rate of thread must be adjusted according to
stitch leneth and thickness of bag. If thread tension
regulator adjustment is not sufficient for obtaining the
required thread tightness, use needle thread controller @
by moving it up or down as necessary, after loosening set
screw. Thread is tighter by moving it up (in the direction
of the arrow), and is looser by moving it down. Tighten the
set screw after adjustment.
4) Looper thread
Looper thread tension regulator @ should be adjusted in
accordance with adjustment of the needle thread tension =
regulator. Adjust it so that the looper thread will not sag.lf
looper thread tension is too much, the needle thread may
break.
2- Presser Foot Pressure
Presser foot pressure must be adjusted according to the
material of bag and thickness. Check the reverse side o{
searns. The pressure is too strong if seams show a sign of
scratches by feed dog teeth, or the actual stitch length is
shorter than the preset feed rate of feed dog teeth. In this
case, unscrew plate spring adjust screw(102171),Figure 4,
after loosening nut (5/16N24301). Be sure to tighten the nut
after the adjustment. If the pressure is too weak, seams do
not form a straight line, or the stiteh length is irregular. In
this case, increase the pressure by screwing the plate spring
adjust screw. Decrease the pressure when closing jute and
other heavy bag material, and increase it when closing pp
woven cloth and other light bag material. your machine is
adjusted for 3-ply kraft paper bags at the factory.
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r, r" ffi cli# 0DFrftl,:.ffii,\ H AF,(<fi8L." Elr&lrI->
A. Ert\.> *, Elcffi r, r E fE- rt*, E& g 4. 3 v. LE l*#F-E
,r tfi f 3- *?-. fEu s * ffi frFR y(l 02 I 7 1) tfrX O < ffiFtrV<
T 3 r,'' " z a b t -f y I. (5/ 1 6N243 0 L) tt- -> t1,g fr#E r < rd 3
l, t" #f -E /i $$ l, r | ffi !, r E nl Effi lcffi if . E/1fi6 L \ El fiE-
66ffi r,. t:/r D *f" Bifi ,)=FlE#trE lr;6664y tffi b>< <
ld5 t, .. ffi!frfrE EMz a*tffi) t*llffi -E &86 < L(< fd
3t''" PP, n z$lt?Wryn OXb{#2}B i*ffi -E b*kd> tt
L(( ld8 t, r" TE tr)ffi D L.Z tX, 77 l. sE ofiS# tlAbrt
t=ffi#tL<L\*,f.

5. Adiustins/ffi H
i
I
3. Looper
a) Distance between Needle and Looper
Turn the pulley in the forward direction and adjust the bell
crank so that the end ofthe looper is 7mm away from the
needle center when the needle is in the most retracted
position, as shown in (Fie.4). The distance between the
nut (outside) of Looper Connecting Rod must be 38.5+
0.3mm.(Fis.4)
Upon completion of the adjustment, tighten the screw of
the bell crank.
b) Gheck of Height of Needle
Needle and looper movements are correctly timed if
distance (A and A' of Fie.4) between Looper point and
Needle hole when Looper points gets in line with left-side
edge of Needle is the same as Looper passes Needle in
forward and backward movements. A-A' + 0.3mm is
allowable. Adjust by hiehtly tapping the looper Drive
Lever. Looper eyelet should overlap with lower part of
oval hole of Needle, as shown in (Fig.5-c.) as looper goes
forward. Adjustment can also be done by loosening the set
screw ofthe needle bar connecting stud and adjusting the
height of the needle bar so that the end of the needle is
15.5mm from the upper surface of the throat plate as
shown in (r'ig.o).
s.lt -r{-oEEE
il fitL.tv-tt-ofEHfi
b bf.Dab fi - tv) e 4 YI' r: v r* o. EX o ffi HE(A-A' )A
3 8. Smm + 0. 3mm D[ 6t llL<E D {'i Lr(( ld8 v r" (Fis. 4)
/L-.,{ - ir ft 6 f& ELfc } tsfif Ifi &zt, */{ - a) HEE lt
?mm Tf"
ffi #L. ffi E{-t}r< < Ii3t,'," a0)W,9v, 7y 2 Wl.tl,
$'H f6 ) rr f B /*r, r & ) I cl},e.: L( ( li 3 t, t.
b)ffoH8
o )v* t \* 71trffi &. t+ D Ra;;f$-ri IFJ D t./J6 & 2 t.EEg
L*f . )v - ) s- ?dfriE "{& nB3ii. /lz-" t - I &+rt\rt#
f 6 }* tc. )v - / :- D fitffifi'E>fi+ fta'f if it IEI D tI/r6
&i [A=A' ) llffi EL<< fi3l,''" (Fic.s-a. b)A=A' + 0.3mm
itE-f6ffiEflTf"
. )v*,,s- o) taffit, &+ D l<D=f #fi:fuN2fst, tffi6 lclt'
.< p r' 7 Y 2 ffit. Ef E/c tt lkblW|fi'b, 7 2 zf v / t'v
< *(-i'6 ( Icrcv r (ffi HL(( IdS t, t.
. A=A' Orfi**68&ti,Clkc. (Fie.5-c) )v*ts*fiqn
ffiL - tI lr,)T ffi ,r- &f 6 I i tr' f*ffitr6'+ a *, L@
6ii. t+BoH 3 AiE#L( ( /c'3 t,''.
o &) EZ)>DE. (Fie. 6) o rE 4 elD&6 &rnr o lc &3. #+ tfr+ ffi
o)Hffiri 15.5mm l:.ft635 0.. fr+W0 ttftr,Ab- ffi
#fi;*D!i_zc8Ef"
. ffi#Dblfarffiffi +i itl-->fi'9ffiD((ff 3 v t"
]L
r
Fig.5-c
- Fig.S
tv-tl- i = I
b9a"2
Fig.5-o Fig.5-b

I
5. Adiustine/ffi H
c) Clearance Between Looper and Needle
Adjust the clearance between the needle and the looper to
between 0.05-0.1mm when the needle goes forward and
passes the rear of the needle. To obtain the corect
clearance, loosen the screw @ of the looper rocker
frame @ and incline @ the looper rocker. Adjust the
clearance ofthe needle and looper to between 0.1-0.5mm
when the looper moves fonnard to the right at the closest
point to the needle.(Fig.7-a)
To facilitate the adjustment first adjust the looper avoid
eccentric cam so that its screw is 45" to center of the
main shaft.(Fie.7-b)
d) Clearande^Between Looper Retainer and Needle
Loosen set screw@ and adjust the clearance of the
needle and looper retainer to between 0.05-0.1mm as the
needle goes up.(Fie?-c)
c) fi+&rt -/{-o)Fe1ffi
. &l D Z<A b.)v- t s- 161ffi ffi &ffi BL*f "
)v - ) s - D 9tffi rt\fr+ D'tk 4a E iE f 6 L8. f+o i { I
l, .rl,-z{- o ftffit o:-l1ffiilt. 0.05-0. t mm t.ffi*L(
(ld$t,''.
. )v- ):*ff.Ilt7 - A @ D+y@ Affi E (. zt,-zt-6'
@AFJL(ffi#L(<rdSl,\"
o ift [:. /r-.,{- rrBfr ff_,fi)t>fr ttth.iBf 6}8. # D L< 9
L.tv* ts- 61H tffi E 0.1-0.5mm t.ffi#L<<li3v',"
(Fie.7-a)
. ,<)vVTYZirTi\ct{trEf . )v-/:-'F41-fi Aa*,
,i 45" CI&E[:./361i 1.. )v-/s-FlL)J ab{Effie>l-
<,'#\ffi*tL((ri'3 v''" (Fic. z-b)
a) ft L, tv -Jli,f ls o) Fpl lE
)v-/ )t 4 ts l#o rfi ffi aaH gL*f "
Slir6c &6f isaft'{trEi'b, k*-l- 6}* lr. )v-7
)f 4 r* Lfi+ rr^lfrffi t 0. os -0. lmm l./r6Xi irffi #LrT
Str''" (Fig.7-c)
Fig.7-o
Fig.7-b Fig.7-c
Fig.7

!-
I
L
5. Adjustins/ffi W
4. Feed Mechanism
a)Clearance between Throat Plate and Feed Dog
Ensure that the feed dog does not touch the throat plate
as it passes through. A clearance of 1.5mm should be seen
between the middle teeth of the front feed dog and the
throat plate as indicated (p'k.A).
b)Height of the Feed Dog
o Adjust the height of the feed dog so that it protrudes
2.5mm from the upper surface ofthe throat plate when the
feed dog has risen to the highest position, as shown in
(p'ig.g). If the feed dog is higher than this, stitch will not
chain satisfactorily, and if it is lower than this, the stitch
width will be too smal1. Slacken nut @ with a box spanner
to adjust the height of the Feed Dog. It is important to
adjust the height with set screw @ to ensure that the
pressure from the Pressure Foot should not force it back
down. Tighten nut @ when the adjustment is correct.
o The Rear Feed Dog should be set 0.1mm lower than the
Front Feed Dog.
Gaution:
Tentatively tishten the nut and make several stitches to
be sure the required stitch length is obtained. After the
confirmation, firmly tighten the nut with a spanner.
4-ix'JeOFla*
a) St*E&iEtJ#oFslffi
E) &is*: c *6 Efr trLf L3. fltE@ffi &X, &o f5
1.5mmTf" (Fig.B)
EINifo t tffie><. ffi*L((lddt,l.
b) iXu#orat
o Er#(Bfi)o H3 tt, i*, &r\Eb Iii->lcl*. SitEt ffi
D.b 2.5mm H6&il.ffi#L*f" (Fie.9)
ffiEF*-r@ &EIL(ErADI 2.5mm t6{tEl.A6&i l.
ffi #L<TS r, \. #l# ri ft€*> cAfi'b, if > 2 z ztsaa
J'vF@ &ffi E ()Xll Aa H EL(<fd8 L \"
. E, A('{&)t*. Er&(BfI) icf.f L< E DHSi'. 0. 1mm l* &"
T }Jft,* tr u( & I {-.} !r(( fdsr,',"
ItrH]
ty l-d lRffia>L (-aE * nrfi I b U *Lt= b tv F @ t L z z5r
tJ*if,&)(T*t\"

5. Adiusting/ffi W,
c) Stitcn Spacins
The stitch width of this machine has been adjusted to
10mm before shipment from the factory. The stitch width
is adjustable from 7 to 11.5mm.
(only DS-9C is adjustable from 7 to 10.5mm)
Loosen the nut @ of the feed regulator and move the
feed connecting rod @ in the direction ofS, as shown in
(p'is.tO). to decrease the stitchwtdth, an(ruove the ro(in
the direction of L to increase the width. When moving the
feed connecting rod, do so after confirming that the feed
connecting rod can rnove freely along the slot in the feed
rocker (Rotate the pulley in the forward direction until the
feed dog is in the forefront position).
c) #ELtEfE
fEL \ El fE-t* z-1 r.Smm offiEfl tEE#EI6E-cf ,i. rB
Hffi ol*l*mr,. El rFE tomm tl6i2rt'<ffi HL<L \*f.
fi6v'' H fEod6*t*(Fis. 10)t8ffi ( li3 v''.
(fE L DS-9C l* 7-10.5mm)
vl@tltrffiDL*f.
r €'l ttv\-'t S fi H(rBi S gffi r gffififfiflr(ft9. L 5
H 1ls31'j1#6v'' H r[E- tt&, b < /r I *f "
o El/ p y r*&#rr.f &* tt. EI rz y r."rtEll N E oE It tc
z ">Tw1#s( ttFF I I u<ffi g L( < /i3 L''"
o f vlL{EffiDl,<ffi#nr*$b9*LIc b. f yf@tl-o
i'9*ffiD((ldSvr"
d) Needle Guide
When the stitch width is changed, the needle guide must
be adjusted accordingly, as the clearance between the
needle guide and the needle will change. Turn the puiley in
the forward direction after loosening the screw @ of
Fig.1l and adjust the clearance between the needle and
needle guide to zero when the end ofthe looper comes to
the side ofthe needle, as shown in (Fig.11) and tighten the
screw @.
d) fitti.fFoEE#
. DS-g ryiy)//)ffiI, \ H rFE=EHfrm DX)|. 10mm [.==Jfl#L
<b9*fri, flf4F'66*2t( 10mm lc.ffi#L<vr*
l"
. flf4F'rsft 6 ffi reLt.&3 lc(nig. t t ) o> zrf l) ir_filta
f6 Hrr omm i.A6& ) ll-lnt @tffi aD (-ilEHLBf "
o DS-e Ha*AtJ., fi61\ H r[E&n.i(6ffr4]."offigtj
U.E&) I *rf tu i\. Ao /l. E Be'E=aE L(( /i3 I',"
iI'l ilEE
iX'J ftE

5. t-paffiH (DS-eA)
t 4 7 A tt,l 7 B arffi Tlebit ttho &'i t.=EE
V\" (Fis.12)
a) t4z A i*ElErtaawlt,tt}ffiffittl-'
(t8v r" 4ffiv rft ztst#O +T8trb/et t&i
,rln, B ttf47v,{-oi#rr,'fi,. *)@-efnmt" I
", 511;il;**,L(r,{7 BiitoLb*ii*LirL*., n, I
A o>: fr l. 2 mrntt'7t6iatruEf+r@4ffi E<tr €t< |
il -f47 ALt47 B tDtyti(^zrflrD&'{EBD"f47 |
rzz\-2911<e6gL*i" I
e) /n s AAHi2<i47 A.B o>ffitrr''fL. /-y-t+< |
*bt-TL)J.>trL*, gJtt'ffi\ rt:*<9] ffi ffi ,r E fr l.qJfi" I
I
r.ffi@Ds-eAull
ffir nilr ll
EJfl II]fl
ffil lfnk
*{q *\
\Krilrl b ll
t'(aA Fis'12 ) |
6. h'yl--.olefrr* I
)tyF*o>ffiWb-f 6tr!E. /,f-7 *{R't.j9J'>aara* |
r,r" -7*JRri@trr<1,''6:&&AEffiL((fd*v''" I
]trfl.Tl]a-}.&'t'6LZi*, v''.tbffilErrz.E-ef" I
d S9]-e.E'll t#trt'L=c, LTJ LT flbrffi 7*6t2rt*3-. I
}.TJTT tf 6&3(Fie. t3)*r@, @, @l:z l'@, @ ttffi |
. ?;y+*;), *r^*o* rt(Fis. 14)o & ) t=iva*z+ |
-sii 0.1mm-0.2mm {l/r61iO.*r@-eAEELEf" : I
o&ts'b'ItT fl flftffilultt. Ef,fL(v''ari icffiEL I
((ldst,l I
r tt
I =az+<a&6&*(Fig.r4)o&il=. t.l;LTTJaFeil= I I
lrtztrw,t +xtt*;tAr (rrf:Etlf,. ffiHt=H;F:Ff" I I
I rl
b) .CIffi#.Dfrrt t,@t+ro lrffi<&)(<. trl@a I
ffiD((ldsl""
5. Adjustins/ffi W,
5. Thread Cutter (DS-9A)
The knives, (A) and (B) are to be adjusted as following steps.
a) pix the knife (A) with tightening scre\4r @ at the proper
position. Be sure that the knife edge does not protrude
from thread gutter ofthroat Plate.
b) Fix the knife (B) in the gutter ofknife lever, bv tentativelv
tightening screw @.
c) Tum pulley clockwise direction. When the knife (B) moves
farthest right position, fix the knife (B) moves so that it
contact with the edge of knife L\) approx, 2mm.
d) Sliehtly bend knife lever to obtain proper contact between
knife (A) and (D.
e) Tr:nto cut several threads wound and then confirm ifthey
are cut sharply and straightly.
6. Cutter (DS-9C)
a) To occlude the upper and lower blades, manually move the
upper blade. To do so, put off air source. Here, prior to
lowering the upper blade, loosen the screws @,@ and
@ andthenuts @ and @ shownh(fie.tf).
When both blades are oecluded, allow a gap of 0.1 to
0.2mm between the faces of the two blades on the rear
side, andtighten the screw @ and the nut @.
b) After the setting described in O above, where the screw
@ is in light contact with the screw @, tighten the nut
@.
u*.,a1
;a 7+v t& 6 &*(Fie.1 4)O &5 l:, -E.n &T 5 o Fe3 l:
,a7F*fr, I tfEl*t/-(Ltf:Elt{f,. ffi+t:H*tf "
NOTE:
The gap a{ustment can be easily made placing a sheet of
Kraft, paper between the upper and lower blades, as shown
in (Fig.14).
10

5. Adiustins/ffi W
c) After the adjustment by steps @ and @, cut a crepe
tape or thread for test. Ifthe front end ofthe cutter cuts
but the rear end does not, there is a gap on the rear side.
In this case, loosen the nut @ and loosen the screw @
by l/8 turn, and cut the thread again for test. If it still
does not cut, loosen the screw by another 1/8 turn and
repeat this adjustment and test cut until the thread can be
cut, and then retighten the nut @. If the rear end of
cutter cuts but the front end does not cut, the adjustment
by step @ is insufrcient. Then, make re-adjustment of
the rear side so that the gap between both the blades
becomes 0.1 to 0.2mm. Here, adjust the upper and lower
blades so that they are in contact with each other on the
front side. If the lower blade tends to turn away without
cutting, lsesen the nut @ and increase the pressure of
the spring by turning the screw @ clockwise. (p'is.t3)
a) eajust the overlapped depth ofthe upper and lower blades
by changing the leneth ofair cylinder rod end so that the
distance between the upper face ofthe lower blade and the
rear side of the upper blade becomes 2mm, as shown in
(Pis.t+).
e) Do not operate without Air Speed Controller on the
Solenoid Valve of the Stand. (See the Parts List
A2/A6(2L) pace 12 Ref.No.49). In case of operating the
Solenoid Valve without air Speed Controller, it will be the
causation for some parts broken.
0 eajust air pressure to 0.4Mpa (ake/cfi) not to exeeed
0.5Mpa(5kg/crf,). in case of using with excessive air
pressure (over 0.5Mpa(5Kc/crfi)), it will be the causation
for some troubles.
c) Bfrs@, @ rr-ffiWrt\f 7^*Lt6. *qt1)t v I -t#9'
L<., v *j*.fi*r..i** & \JWL< 7r<( fd8 t,''.
. fi y F - aft 'ffi fiil rlq fu < .,tr4[ilrt\ @ il"ttv).E6 t* -
,tk4l1lD^+?r\Efg*f.
o fvl-@ &ffiE.<. jir@ A U I @*ffiE.art,b2v*7
*rG) a 1/8 EEf, fi*b<ffi#t-((td3 v'," qttL6 t.
:,5<iyl.@AEEL(<fd8L \"
.'& 6lillrt\gJ tL< fi,iHlillrti fl fu /3 t, r S.S it. @ a> ffi # rr
6Rrf" 6 i-8. .tIJ LT fl a'rkbl\lT*<ri 0.1 -
0.2mm tc/r5E5 O.*y@rAB#L*f" *tc.9llfiffiic.
T>l rr [. if 6&irLlc b. t vl @ tftED <+r@ &H
A+frfilttr4r7aY Ytr DEh Arf;< L(( /dE t,''.
(Fis.13)
d) -trg&fIJ arffi&eb:&i* 2mm <t" yy>.y -pyr.^&
r: y 5^-7f."d) t*ffiF.5?rt.Z(. (Fig. 1 4)t >ffil., -Lfl
LT rJ Dffi46i2tol#3 t 2mm (cffi #u<</i8v t"
d ^, vF [H\o €ffi # ic-7 -^c * i.^ av Fv - 7 * t il,
f mD{.f [r<&ffi L(< fjg 1 r. (z{ -yt) z.l_ Az / A6(ZL)
a n *-rEl6 +g aK)"Wttt]lrv.#6Effi$tfiEH
ft E o> 17 7 tv# /fa'lilW.tr9 *f "
0 -7-E lt o.4Mpa(4ks/crf)t.b 0. 5Mpa(5ks/cni) trAt:
il(<fi8L\"
0.5Mpa(5Ke/ crk)t ffiL<{E,ffi f 6 }. S ft fift H /r Do l.
7)turyhogEI[:699j"
Lower Knife Base Connection
Tnt6i(106062)
Kraft paper
,77\ffi
Lower Knife Stopper
Tnxl.y/{-(106093)
11

5. Adjusting/ffi W.
7. Adjustment for Single Thread Sewing
a) Fixing Throat Plate Thread Retainer (Fie.l5)
Fix Throat Plate Thread Retainer @ at Throat Plate @
with Screw @, keepins its point havins 0-0.3mm
clearanee from Needle center.
b) Clearance between Needle and Looper (Fis.16)
Tum the pulley in the forward direction and adjust the bell
crank so that the end ofthe looper is 7.5mm away from the
needle center when the needle is in the most retracted
position. The distance between the nut (outside) of
Looper Connecting Rod must be 39.5t0.3mm.
Upon completion ofthe adjustment, tighten the screw of
tSe,bell crank.
c) Adjustment between Looper and Throat Plate Thread
Retainer (Fig.17)
Adjust Throat Plate Thread Retainer with Looper
Connecting Rod, keeping it not touching concave part of
Looper when Looper pass through the nearest position A
from Throat Plate.
o When the test to run, if the thread does not slip out
smoothly from Throat Piate Thread Retainer, adjust
keeping its point having 0-0.5mm from Needle center.
7. HHfiIL\OffiE
a) SftEJTtoffi {.} (rig.t s)
ff+Em@ oft ffi ,rGlffi 19 0-0.3mm tc'/e6196.***
r\ afi++E @ [.+v €) E(m,f.f ir6"
b) ?,1 L tv- tt-o-EE* (Fie.l 6)
bbi'DD,$ - tv)a4 Yh.r: yFo). BXOEHfi (A-A' ) A
39. Smm + 0. 3mm DJ. h tlL<m D f'ttJ((/d3t,''.
/L- /{ - rj fr 6 {& iEL/c } t #l.ffi }rt, - /{ *. o HHfi lt
7. 5mm -Cf. :/)ffilg:tj', * tv 2 =v z a ii-l @ bt#b<
* tv / 7y y' t#il#L. ffi D{.f tr<< /d3 v.. aow,s )v,
7v rffitot, (rs: ffi ) rir*/rv \&i l.i}H L<</d8t,''"
c) tv- t \- L,$++EIItCIffi E (Fie.I 7)
.,L-l{-ri A,ft r'Bfr{* t.FJtL6[S. flfiEll\isrt *zs-
os lfl#f r S /cb /ev .Xi [. )v* ) <* ra 4 v lu vF L#
*t6"
1 61-ffi v rtL<r( riff&/t\'l.BI rH.r]r rrffi L \Eeltf+
l-1ll lrrc+t @
LooperLooper Cmnecting F
,1,-/f-iy'a1:z.bD.t
\)bra>2
Throot Ptote
Threod Retoiner
Af EJI\ Loopr Oorurecting F
tV-tf-]:z-E12l'E].t
Fig.I5
12
Fie.l7

t
Ia,
!t
6, Troubleshooting
* Plastic contents existent in bag material is melt by the heated needle and may stick to needle, etc., causing skipping
stitches. When closing woven cloth bags, kraft paper bags inclusive of polyetlrylene coated layer, polyethylene and PVC
bags, etc-, dampen needle thread with oil to prevent sticking of plastic contents. Use silicone oil processed thread for
packing rice and other food products.
Problem Cause Solution Ref.
Needle (looper)
thread breaks 1. Damaged looper 2. Too much thread tension
3. Too little thread tension
4. Thread snarled or hung up along path between thread stand
and needle,/looper
5. Incorrect threading. Thread not between tension discs
6. incorrect needle setting
7. Bent or damaged needle
8. Double sewing
9. Decreased stitch leneth because ofworn feed dog teeth
Replace
Decrease
Increase
Correct
Thread correctly
Set correctly
Replace
Move up thread controller
Replace feed dog
5-3
5-1
5-1
3
3
5-3-b
5-3-b
5-1
5-4-b
No chain formed
between bags 1. Incorrect threading
2. Too much looper thread tension
3. Too little needle thread tension
4. Thread controller too low
5. Needle and looper not timed each other
6. Not enough presser foot pressure
7. Thread is cut by feed dog teeth
8. Thread is feedback because feed dog is set too high
Thread correctly
Decrease
Increase
Move it up
AdirLtst timine
Increase
File the row offeed dog teeth that
comes in touch with thread
Adir,rst heieht offeed dog
3
5-1
5-1
5-1
5-3-c
tr_o
5-4
5-4-b
Skipping stitchs 1. Wrong setting of needle
2. Bent or damaged needle
3. Thrcad controller too low
4. Wom looper point
5. Needle too high
6. Thread sticking to needle due to heat
7. Needle guard pushing needle
8. Looper thread too loose to form a good triangle (reverse skip)
9. Needle and looperwide apart (scoop skip)
Set correctly
Replace
Move it up
Replace looper
Lower needle bar
Dampen needle t}read with oil
Adirrst needle Suaxd
lncrease looper thread tension
Adjr,rst distance needle to looper
5-3-b
5-3-b
5-1
5-3-c
5-3-b
*
5-4-d
5-1
5-3-c
Needle or looper
breaks 1. Bent needle
2. Looper point hitting needle. Needle point hitting looper
3. Needle guard pushingneedle orthey are wide apart
Replace
AdjrLrst timing of needle and looper
Adj,Lrst needle guard
5-3-b
5-3-c
5-4-d
Stitch length nqt
uniforrn, Curved
seam
1. Not enough presser foot pressure
2. Worn feed dog teeth
3. Bent needle
Increase
Replace feed dog
Replace
5-2
5-4-b
s-3-b
Thread bites into
ctepe tape 1. Two much needle thread tension Decrease 5-l
Crepe tape creases 1. Feed dog, rear, is higher than feed dog front a little Adjrust height 5-4-b
13

6. =>>Aj-A))bAHEI&ffre
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ORDERING PARTS
1. Description ofeach part and its stamp number is described in this parts list. Screws an{ nuts for parts are
shown adjacent to the relevant parts. When ordering parts, describe clearly stamp number with its narne of part.
2. The parts which have no Ref. Number can not be delivered independently; always oder it as an assembly.
3. A set ofassembled parts is represented by the stamp number ofits main parts.
4. The last figure on the parts stamp number advances on each improvement ofthe parts.
5. Parts No. described in [ ] of Remarks means old parts No.
a The parts list is subject to change without prior notice.
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CONTENTS frIA
O!. MISCELLANEOUSCOVERSPARTS ..........16
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O2-1. THREADTENSION&OIUNGPARTS ......... 18
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O2-2. THREAD TENSION & NEEDLE THREAD OILER (DS-9AUDS-9CW) . .... . . 20
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03. BUSHINGPARTS. .....22
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04. NEEDLEBAR & CRANKSHAFTPARTS ..,..24
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05. PRESSER FOOT PARTS ..... ...,,.... 26
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06. LOOPER ROCKER & CONNECTING ROD PARTS .....,... 28
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O7-1. FEED DRIVING & THROAT PLATE PARTS (DS-gA" DS-gAW). ...... 30
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O7-2. FEED DRTVING &THROAT PLATE PARTS (DS-gC, DS-gP, DS-gCW) ..... 32
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O8-1. CUTTERPARTS (DS-gA, DS-gAW) ,....... 34
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08-2. CUTTERPARTS(DS-9C, DS-gCW) ......... 36
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09. THREAD BREAK DETECTOR & BINDER PARTS ..... 38
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USTOFSCREW,NUT&WASHER. ...40,41
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NUMERICAL INDEX OF PARTS. .. . . 42-44
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01. MISCELLANEOUS COVERS PARTS
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