ZOJE ZJ9800 User manual

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III
I:
HIGH-SPEED
LOCKSTITCH
SEWING
MACHINE
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31¢
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OPERATION
MANUAL
PARTS
BOOK
EDEI-Eflliéiimmflflfiffififlflflfil
ZOJE SEWING MACHINE CO., LTD.

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CONTENTS
Before
Operation
1.
Specification3m--m-
2,
Installation.................................................................................
-
Adjusting
the
height
of
the
knee
lifteru-m-v-mu
.. ..
.
Installing
the
thread
stand
_
LUbrICation”"“"‘
can. a...
one.
.
Adjusting
the
amount
of
oil(oil
splashes)
in
the
hook
.
Attaching
the
needle-
3
4
5
6-
Adjusting
the
amount
of
oil
in
the
hook
7
8
9
. Setting the bobbin into the bobbin case .. -
]0_ Adjusting the stitch length
11_ Presser feet pressurem ..
]2_ Threading the machine head
13_ Winding the bobbin thread-ummmu ..
14' Thread teneton
15. Thread take-up qpnng .. .. .. .. ..
]6_ Adjusting the thread take-up stroke-
17. Adjusting the needle stop position-"mm-H" . .
18. Oil cheak and addltlon
19.
Adjusting
0f
the
pedal..................................................................
20 Pedal operatton
21. One-touch reverse stitching mechanism-"m-m-n-
22.W1per
23. Needle-to-hook relationship---
24' Change of counter kmfe
25. Change of counter knife and moving knife
26. Adjustment oftrimming system------------------------------------------------------
27-Height
and
tilt
of
the
feed
dog
28.AdeStlng
the
feed
timingo-utuooott
noouuoouuoooo-uu
noun: ounc- Outtt
assumes...
no.
29.
Thread
tension
release
releasing
mechanism"---------------------------.---...
30.
Micro-lifting
mechanism
of
the
presser
foot
31.
Caution
when
carrying
or
placing
the
sewing
machine-mun-nun-um...

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BEFORE OPERATION
Caution: To avoid malfunction and damage of the machine, confirm the following.
> Remove air-vent cap (red color) attached to the sewing machine bed.
> Be sure to pour in the oil before using.
‘P Before you put the machine into operation for the first time after the set-up , clean it
thoroughly.
> Remove all dust gathering during transportation and oil it well.
)> Confirm that the voltage has been correctly set.
> Confirm that the power plug has been properly connected to the power supply.
> Never use the machine in the state where the voltage type is different from the designated
one.
)> Confirm that the direction of rotation of the motor pulley is correct.
> Do not tilt the sewing machine head toward this side since oil leakage or parts breakage
occurs.
A safety switch is installed so that the sewing machine cannot be operated with the head
tilted. When operation the sewing machine, turn On the power switch after properly setting the head
on the table.

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1. Specifications
Application
Thin-medium
material
Heavy
material
Sewing
speed
5000mm
61000er
Stitch length
Needle
DP X5
lfi‘hulgl't
By hand lifter 18 mm (standard)
Presser foot lift
By knee lifter 15mm (max.)
Oil
Rated power
2-
fiéflfltfi’mfi
Installation
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1‘ Installing the oil pan;
1) The oil pan should rest on the four corners
of the machine table groove;
2) Two rubber seats ® for supporting the head
portion on the operator side ® are fixed
on the extended portion of the table by hitting
the nails CD, and the other two rubber cushion
seats® on the hinged side ® are fixed by
using a rubber—based adhesive. Then, oil
pan @ is placed;
Remove air vent cap (5) attached to the
machine bed. (Be sure to attach cap when
transporting the machine head in the state
that the machine head is removed from the
machine table.)
Fit hinge into the opening in the machine
bed, and fit the machine head to table rubber
hinge @before placing the machine head
on cushions (3) on the four corners.
Caution: It” the sewing machine is operated
without removing air vent cap 6), oil leakage
from gearbox portion G) may occur.

3.
maiafiaemaa
Adjusting
the
height
of
the
knee
lifter
ZQXWE:Wrmtfimmwgfiflfl.%%fi%%ZEfifififlfie
Warning: Turn OFF the power before starting the work so as to prevent accidents
caused by abrupt start of the sewing machine.
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l, The standard height of the presser
foot lifted using the knee lifter
is 10mm.
2. You can adjust the presser foot
lift up to l5mm using knee lifter
adjust screw @.
Caution: Do not operate the sewing
machine state that the presser foot
@is
lifter
10mm
or
more
since
the
needle bar ® in contact with the
presser foot ®l
4
.
fififififi§§
Installing
the
thread
stand
1.Wflfi$%fi&%§%fl%%mfififl
Lu
2.m&i%fi®fififi%u
3.nanan,emenauamn®e
gun
I . Assemble the thread stand unit, and insert
it in the hole in the machine table.
2. Tighten locknut (D to fix the thread stand.
3. For ceiling wiring, pass the power cord
through spool rest rod ®.

5.
With
Lubrication
A
iii-2.1%:
fiTfiiffiéflmfi'flfié’l‘flfiJ,
ifiééifitEflEZlfififliffiéi’Ea
Warning: Turn OFF the power before starting the work so as to prevent accidents
caused by abrupt start of the sewing machine.
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Lower engraved
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2.
ififl‘lfiilfltfifis’éfifififiifiu
Fill
the
oil
tank
with
oil
for
hook
lubrication
before
the
sewing
machine.
1)
Tilt
the
machine
head
until
it
comes
in
contact
with
the
head
support
rod.
2)
Remove
oil
hole
cap
@and
fill
the
oil
tank
with
2]
No.1
using
the
oiler
supplied
with
the
machine.
3)
The amount
of
oil
should
reach
up
to
the
engraved
marker
line
of
oil
tank®.
If
the
oil
is
filled
excessively,
it
will
leak
from
the
air
vent
hole
in
the
oil
tank
or
proper
lubrication
will
be
not
performed.
So
,
be
careful.
4)
When
you
operate
the
sewing
machine,
refill
oil
if
the
top
end
of
oil
amount
indicating
rod®comes
down
to
the
lower
engraved
marker
line
of
oil
amount
indicating
rod
comes
down to the lower engraved marker line of oil amount indicating window@.
_5_

{Caution}
LWhen
ytm
use
:t
he-e-
sewing
machine
or
:t
gnawing
machine
after
an:
cxltfilldcd
pat'iud
ttl~
disuse.
run
fmur
machine
all
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ELSUUrpm
[In
the
purpnse
m'
break-tn
2.
lJn
11m
tetnm-e
ruhhet
pingi-
fi.
hittfihhifltflififi'fl’fit
(HUI!:Pfifihi-flthltfiHJL-fle)
Adjusting
the
mutant
hf
nil
in
the
hunk
A
tlifll:
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iffs'ét‘iililflEzhfil'fiiiHHEtEfiin
Warning:
"IFtIrn
OFF
the
putter
hel‘ure
shutting
the
wnrk
5n
:1}:
tr:
prevent
accidents
CitLlSfld
by
abrupt
Marl
uJ'
Lhr:
eventing
machine.
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1513
hi
fih
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Ti
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hi]
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1.
Adiheunenl
pthcethlre
Tighten
{tum
clockwiege]
nil
ammtnt
atljtmtment
screw
I1];-
tn
increase
the
muuunt
hf
011
in
the
hunt:
tar
Ihheen
{turn
muttteretnckwtse}
In
decrease
il.
{Cattllhm}
|.1r"r'hefl
using
RP!mhk[l1uukl‘ur
dry
head]
fur
the
HE
13r1te1he
.‘iLll't't
te
lumen
Lhr:
nil
:nuetmt
mtjuxtment
screw
up
In
1he
minimum
at:
as;
to
reduce
the
oil
anmunL
in the hunk.
2.
Never
drain
the
hi!
in
the
hi1
tank
even
when
RP
hook
{hank
1hr
dry
head}
is
nae-t1.

7.fi§%fl%(flfl)%fi¥fifi
Adjusting the amount of oil (oil splashes) in the hook
[c3 ea:aaecaeaan.aroeaeea.aanea,amanenne.
Warning: Be extremely careful about the operation of the machine since the
A amount of oil has to be checked by turning the hook at a high speed.
CD
Amount
of
oil(oil
splashes)
confirmation
paper
G)
Position
to
confirm
the
amount
of
oiltoii
aplashes)
CD
ifliilifliifilfiflfifiéfi
Q“,-
idiifiifiii‘fliifiikiifi
Hook ..
fiffi Hook firming Shaft front
Approx
25
mm
25mm
2.23
3
to
10
mm
L—J
Approx.70
mm
Oil
splashes
confirmation
paper
Closely
fil
lht‘
Paper
i’Dmm
ZEE
ifiifififlfiffigfi
against
the
wail
surface of the bed.
Tiiilitltlélifl‘liiffii
*
Use
any
paper
available
regardless
of
the
material.
‘
Place
the
amount
of
oil
(oil
splashes)
co
9%
JFFH
ilfigfififllfifio
paper
under
the
hook.
X
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fiflfiffififfiflfiflfi'l‘fiu
1.
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(BE)
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ifiififi3fii¢ififi9§¥§o
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2)
fiEfifiéfllflLi‘Efith'fiifilE
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fifflikfifiiéitifiko
3)
fifiiikifliifirhfifififlflo
4)
iflife‘
(no)
lifliikfla‘liflfiaif').
1.
How
to
confirm
the
amount
of
oil (oil
splashes)
When
carrying
out
the
procedure
described
below
in
2,
remove
the
slide
plate
and
take
extreme
caution
not
to
allow
your
fingers
to
come
in
contact
with
the
hook.
i)
If
the
machine
has
not
been
sufficiently
warmed
up
for
operation,
make
the
machine
run
idle
for
approximately
three
minutes.
(Moderate
intermittent
operation)
2)
Place
the
amount
of
oil
(oil
splashes)
confirmation
paper
under
the
hook
while
the
sewing
machine
is
in
operation.

3) Confirm that oil exists in the oil tank.
4) Confirmation of the amount of oil should be completed in five seconds. (Check the period
of time with a watch.)
2. iflifi (ifliiflr) fifififi
Splashes of oil from the hook
Rfiifixfllfiflfléfiflifll
I’
W“
—
“PEN:
0.5
~
IInm
EH:
l~
3mm
thin and medium matcrialflj In [Him
heavy \vcith material: I In 3mm
Approprtato amount of oil(small)
idiiifi'éi (1h)
Splashes
of
oil
from
the
hook
aamxasaiaeasia
IV
flap-t
—
Illjtfiiifi:
I
»—
I
.Smm
EH:
2-w41'11111
thin and medium materiam to 1.5mm
heavy weatlil material: 2 m4mm
Approprtato amount of oil(large)
aiifliifi (at)
sewing product may be stained with oil.)
Dilflfiiflfiifiééififlfifififi
fi‘tifiiififli,
{Hitifiig‘flrifiq’afi
alike
aiiéifibfli,
Qx‘Ziifit
fiiiifir‘fiifiu
iHifiitfiHT
’2?
iafikfieifiin
mite
($311313)
mamwaac
Eflfia‘fiin
.
Sample
showing
the
appropriate
amount
of
oil
The amount
of
oil
shown
in
the
samples
on
the
left
should be
finely
adjusted
in
accordance
with
sewing
processes.
Be
careful not
to
excessively
increase!
decrease
the
amount
of
oil
in
the
hook.(if
the
amount
of
oil
is
too
small,
the
hook
will
be
seized
(the
hook
will be hot). If the amount
of oil is too much, the
2) Adjust the amount of oil in the hook so that the oil amount (oil splashes) should
not change while checking the oil amount three times (on the three sheets of paper).

8. filfififi%%jfii& Attaching the needle
A 'EEfi: fiTI‘fiifiéflJiflH’flfi'fil‘i-Efit, ififiéifififlifiZJfifiifiiilfiéi’Fn
Warning: Turn OFF the power before starting the work so as to prevent
accidents caused by abrupt start of the sewing machine.
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do
.eaaaaeea@,se
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.
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.saaaaaeae
.aaamea©aaam
®mfiMD
BEE:
fiffiififiiflé’fafil.
finfiflfi'filflifil’mififi.
fififiiéfifi$fi.fifiifiéfifififfl§io
ffifiififimfiéfla‘,
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fifill’lfi‘flfiflfliflgfififiu
A needle of DBxl or DPxS should be used. Select a proper needle size according to the
count of thread and the type of material used.
1. Turn the hand—wheel until the needle bar reaches the highest point of its stroke.
2. Loosen screw @, and hold needle {D with its indented part ® facing exactly to the right
in direction ..
3. Insert the needle fully into the hole in the needle bar in the direction of the arrow until
the end of hole is reached.
4. Securely tighten screw (2).
5. Check that long groove © of the needle is facing exactly to the left in direction @.
Caution: When filament thread is used, if the indented part of the needle is tilted toward
operator's side, the loop of thread becomes unstable, As a result, hangnail of thread
or thread breakage may occur. For the thread that such phenomenon is likely to
occur, it is effective to attach the needle with its indented part slightly slanting
on the rear side.

9. mafltflfififirljfli Setting the bobbin into the bobbin case
1.aaeaxa¥m;
2.aaueeimaa®mea.a®amam.
aa,annaaaraaa®aam;
3.aea©h.aenaaanaaa.
1 . Install the bobbin in the bobbin case so that the
thread wound direction is clockwise.
2. Pass the thread through thread slit @, and pull
the thread in direction ®. By so doing, the thread
will pass under the tension spring and come out
from notch ®.
3. Check that the bobbin rotates in the direction of the arrow when thread © is pulled.
10. fiiilélilijilfl‘fi Adjusting the stitch length
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2.fifliflflfifi$$fim%*fifis
3.aaaeaaaa.anaaaoaaaaamrnna,eaaanaa.
1. Turn stitch length dial (D in the direction
of
the
arrow,
and
align
the
desired
number
to marker dot 03) on the machine arm.
2. The dial calibration is in millimeters.
3. When you want to decrease the stitch
length, turn stitch length dial 6) while
pressing feed lever C2) in the direction
of the arrow.
lie
[2: Efi:%T%i%flmW%%Efi.fiifififlififififififio
é Warning: Turn OFF the power before starting the work so as to prevent
accidents caused by abrupt start of the sewing machine.
_10_

1.
fiflififififlfEfiWfi
(EFAJ‘J‘FI'J)
fiflfls’fifiifi‘i‘iflfl.
Efifiififi:
2.
iifl‘fif
(EIJBJ’J‘EH)
fifiiflifififi
Tififl.
Hijfilfififi:
3.
fidfiififi§fiflififl®s
4.
M—flhfifififi‘é’JifiififififiB‘lfi
fifififin-fimaflfi
(451(3)
a
l. Loosen nut Q). As you turn presser spring regulator (D clockwisetfin direction A), the
presser foot pressure will be increased.
2. As you turn the presser spring regulator counterclockwisefin direction B). the pressure
will be decreased.
3.
After
adjustment,
tighten
nut
G).
4. For general fabrics, the standard height of the presser spring regulator is 32 to 34mm(4.5kg).
12. ifiiéfifififlfififié Threading the machine head
A
33%:
fiTWmfiéfiflLWfifibflfiJ.
fifiéififififififlfilfltflfifio
Warning: Turn OFF the power before starting the work so as to prevent accidents caused
by abrupt start of the sewing machine.
(mm
In:
numnss
Illis
thream
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1) Insert the bobbin deep into the bobbin winder spindle Q) until it will go no further.
2)
Pass
the
bobbin
thread pulled
out
from
the
spool
rested
on
the
right
side
of
the
thread
stand following the order as shown in the figure on the left. Then, wind clockwise the
end of the bobbin thread on the bobbin several times. (In case of the aluminum bobbin,
after winding clockwise the end of the bobbin thread, wind counterclockwise the thread
coming from the bobbin thread tension several times to wind the bobbin thread with ease.)
Press the bobbin winder trip latch ® in the direction of ® and start the sewing machine.
The bobbin rotates in the direction of C and the bobbin thread is wound up. The bobbin
winder spindle (I) automatically as soon as the winding is finished.
Remove the bobbin and cut the bobbin thread with the thread cut retainer (33.
To adjust the winding amount of the bobbin thread, loosen the setscrew GD and move
the bobbin winder adjusting plate 6) to the direction of ® or .. Then, tighten the
setscrew 6). To the direction of ®: Decrease; to the direction of ©: Increase.
In case that the bobbin thread is not wound evenly on the bobbin, loosen the nut © and
turn the bobbin thread tension to adjust the height of the thread tension disk CD.
It is the standard that the center of the bobbin is as high as the center of the thread
tension disk.
Move the position of the thread tension disk CD to the direction of ® as shown in the
figure on the left when the winding amount of the bobbin thread on the lower part of the
bobbin is excessive and to the direction of ® as shown in the figure on the left when
the winding amount of the bobbin thread on the upper part of the bobbin is excessive.
After the adjustment, tighten the nut (E).
7) To adjust the tension of the bobbin winder, turn the thread tension nut ..
Caution:
I. when winding the bobbin thread, start the winding in the state that the thread between
the bobbin and thread tension disk ("D is tense.
. When winding the bobbin thread in the state that wing is not performed, remove the
needle thread from the thread path of thread take-up and remove the bobbin from the
hook.

14. fig’fiflfiflfifiiflfi Thread tension
1.
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l.
Adjusting
the
needle
thread
tension
1)
As
you
turn
thread tension
nut
(D
clockwise
(in
direction
®),
the
thread
remaining
on
the
needle
after
thread
trimming
will
be
shorter.
2)
As
you
turn
nut
(D
counterclockwise
(in
direction
O},
the
thread length
will
be
longer.
3)
As
you
turn
thread
tension
nut
®
clockwise
(in
direction
©),
the
needle
thread
tension
will
be
increased.
4)
As
you
turn
nut
®
counterclockwise
(in
direction
®).
the
needle
thread
tension
will
be
decreased.
2.
Adjusting
the
bobbin
thread
tension
1)
AS
you
turn
tension
adjust
screw
6)
clockwise
(in
direction
®),
the
bobbin
thread
tension
will
be
increased.
2)
As
you
turn
screw
(":3
counterclockwise
(in
direction
(E),
the
bobbin
thread
tension
will be decreased.
15. ybgfififififlfififi‘ Thread take-up spring
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9
Wilmfiié
.
The
thread
take-up
spring
a
When
the
thread
take-up
spring
moves
up
to
works
up
to
the
last.
midway,
thread
is
fed out
from
0
since
the
tension
of
the
thread
take-up
spring
is
high.
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1. Changing the stroke of thread take-up spring
1) Loosen setscrew Q).
2) As you turn tension post (3) clockwise(in direction ®), the stroke of the thread take—up
spring will be increased.
3) As you turn tension post 6) counterclockwisefin direction .), the stroke wiil be decreased]
2. Changing the pressure of thread take—up spring (D
1) Loosen setscrew (23. and remove thread tension 6).
2) Loosen setscrew G).
3) As you turn tension post (3 clockwise(in direction ®). the pressure will be increased.

4) As you turn tension post (33 counterclockwise(in direction O), the pressure will be
decreased.
Usually, upon the machine coming out, all the take-up spring has been adjusted well,
only while sew special material thread, it need to be adjusted again.
To
judge
the
work
of
the
thread
take—up
spring,
confirm
whether
or
not
the
thread
take—up
spring works up to the last before needle thread is pulled out from ® when pulling out
needle thread in the direction of Oafter the pressure of the thread take-up spring has been
performed. When it does not work up to the last, decrease the pressure of the thread take—up
Spring. In addition, the stroke of the thread take-up Spring is excessively small, the Spring
does not work properly. For the general fabrics, a stroke of 10 to 13 mm is proper.
16.
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Adjusting
the
thread
take-up
stroke
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accidents caused by abrupt start of the sewing machine.
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. When sewing heavy— weight materials, move thread guide Q) to the left (in direction
®) to increase the length of thread pulled out by the thread take-up.
. When sewing light—weight materials, move thread guide (D to the right (in direction O)
to decrease the length of thread pulled out by the thread take-up.
. Normally, thread guide ® is positioned in a way that marker line © is aligned with the
center of the screw.

17. HLfi-{éflfijfififlljflfifi Adjusting the needle stop position
A
as
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Warning: Turn OFF the power before starting the work so as to prevent
accidents caused by abrupt start of the sewing machine.
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1.
Stop
position
after
thread
trimming
l)
The
standard
needle
stop
position
is
obtained
by
aligning
marker
dot
®
on
the
pulley
cover
with
white
marker
dot
®
on
the
hand—wheel.
2)
Stop
the
needle
in
its
highest
position,
loosen
screw
{D to
perform
adjustment
within
the
slot
of
the
screw.
>
The
needle
stop
timing
is
advanced
if
you
move
the
screw
in
direction
©.
>
The
needle
stop
timing
is
delayed
if
you
move
the
screw
in
direction
6:).
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2. Lower stop position
I} The lower needle stop position
when the pedal is returned to the
neutral position after the front
part
of
the
pedal
is
depressed
can
be adjusted as follows:
Stop needle 6) in its lowest position.
Loosen
screw
(2?).
and
make
adjustment
within the slot of the screw. Moving
the screw in direction ® advances
the needle slop timing. Moving the
screw in direction ® delays the timing.