Zoje ZJ3800N User Manual
IDGH-SPEED
Jf)i$iBJ.I
if
INSTR
CHA.INSTITCHER
UCT
IO N
SE~1'1G
MANU
AL
t\'lz\CI:lll\"E
~~,?B~oK
Ill
JifUil~ft
ZOJE
SE
WIN
mn
112
G
MACHINE
fH
~
oe
CO.,
~51
LTD.
IMPORTANT SAFETY INSTRUCTIONS
To
get
the most out of the many tunc;ions of this machine and operate it in safety.
to use this macnine
Please
your machine for a long tim
Please remember to keep !his manual in a safe place.
1. Observe the basic safe:y measures, including, but nee limited to the following ones, whenever
you u
2.Read
you use
anytime when necessary.
3.Use the machine at:er it has been ascertained
valid in your country.
4.AII
operation without the
5.This macr.in
6.F
7.For t
the receptacl
7·
7·2 F
7-3 For repa
7
S.lf
with your eyes
areas and consult a medical doctor.
read this Instruction
se the
all the mstructions, incluo:n
the machine, In addition. keep this Instruction Manual so that you may read •t at
s.afety
devices mu
or
your personal protection. we recommend that you wear safeiy glasses.
he
iollowmg, turn ott the power switch
1 F
orthr
or
replacing part (
·4
W'l
en lea
you should allow oil, grease. etc. used with the machi 1e and devices to come in con
C·Yrectly.
machine.
st
speciiied safety devices is n
e sha
ll
be
e.
eadi
ng
needle (s).
ir
war~
,
v1ng
tne working place of when t
or
skin or swallow any of scch liquid by mistake. immediately wash t
M
a n~
al
carefully beiore use.
e.
g,
but not limi;eo to this Instruction Manual before before
that it conforms with safe
be
in posi!ion when the mach1ne is redady tor work or in operation. The
ot
operated by appropria!ely·trained operators.
oi
disconnect t
S)
of needle, presser foot, ihroat plate. feed dog, cloth gui
he
working place is unattended.
allov1ed
Whe
nope you wi
.
he
power plug
ty
oi
it
is necessary
ll
enjoy the use of
rules/standards
the machine fr
de
etc,
he
contacted
om
tac
t
Tam
pering witn the live
9.
isprohibited.
10.Repair,
tec
11.
General maintenance a
1 2.Repair and maintenance works of
elec
Whenever you find a failu
1
3.Periodically
remodeli
hmcians or special
tr
ic
technic ians
clear
pans
and devices. regardless of whether t
ng
and adjustme
ly
skilled personnel.
nd inspection works have to be done by appropriately trained personnel.
or
under
re
of any
the macnme
nt
wokrs must
electrical components shall
the
audit
and guidance
of
electncal components, immediately stop the machine.
throughout
- 1-
the pe
only
rio
be done
oi
speciall
d of use.
he
by
appropriate
be
conducted
y skiiled personne
machi
ne
is powered,
ly trained
by
qua
lified
l.
14.Grounding the machine
machine has to
as high-frequency welder.
; S.An appropnate
ug
has to
pl
be
operated in an
power
be
connected to a grounded receptacle.
is
plug
always
has
to
nece
ssary
enVJvro
be
attached
fot :he
normal
nment that ts free from strong noise sources sucn
to
the machine
o~erahon
by
of
the machme.
electric technicians, Power
The
'
&;]
16. The machine
t7.Remodel or
all t
he
effocuve
remodeling
18.Wa;rng
hir.:s are
IS only alloweo to
modtfy the machine in accordar.ce wttn the safety rules/standards while
safety
or
modification
measures
mar-<ed
Danger of injury to
It
ems
be
used t
or
the purpose Intended 0;1'\er used are
. We
assumes
of
the mach:ne.
witn toe r.vo shown symbOls.
ope
rator
requtrlng speCial a:tention
no
or serv
responsib
ice staft
not a.iowed,
ili
ty
for
dama
ge
caused
tak
ing
by
,.
t
f,1
;i
FOR SAFE OPERATION
•'
~
~-
'
I•
~'
~~
r~'
&
'
'
~·
~,·
·
r
~:
rc·:
li:
I'
,,
I
l'r:
l:r
It
~··
h.
..
I~
I
l.To avo
1.To
2.To ::e·,er.: posstb.e pecscra ir;u:ies caLssd by be
3.To
..
4.-c
s:T
6.To
7.To
8.1f
no
s:a
9.To
10.7c p:e·.ent ;:osstble
:J
alectncal
·
~r
:~e
...,otor nor :oJcn
a,c·::: persona
c::·:a', l
ycur f
,·,hila
0\
•:.ri,e
re
pcssib.e injLry to nands.
tt>e
ma~l"ir:
- ac··-e
t1e
co
t"i.::
c~7:c~er.:
01
"1f;:er
n~ers,head
:re
machine
a·:o'c
::ersonalln,vy,
Jot
:.-~
po·.·.-er
<--~·:::
;)erso.1al i:-,L:y, nev
t
...
e
rr:achi~e
·::o;:>er
rotat
O:)per
dunng oporation.ln addit.on,
\·
..
a·::~
pcss:ote
...
a:o·c
;oss
p~:.er
ver
e.1d
:he
ycur
macnine is oqu
sa
·:.
1ile the rr.achtr.e
r:
oi -,e
a
·.c
= e!ectr
;~c
...
~d
o:
:
l:o
power
s•,oc~
·.~ry.
sua~c
of
safe~
ard
clo
15
opera!ic1. In aon
s·.-.1tcr
s i.i
es
at a h
hen
re~·a:in~
~arsenal
,e~
1
'r;
ras
tl
e acc1der.:s
to :he "13ch:ne wh en tiltir.G t1e macn:'le head
V be :.
p;ed
mach.re,
wire
(s).
be
ca
s~oc~
~0"
t"!e
accide,t
tJr1
OrF
:::1
Jg.
hazards. neitner open
t~e
cor.;Jonents
"e•er
ope
y
oa.e-...:ces
t1es away lrocn tna nandwheel, V belt
neve·
~u:
or
c::.era
te
e·
p:
o::;eia:ion.
gh
s~eed
be
sure to
t1e
lo
cpe
irJur'es,
rg t-e
1s
st.re to :Lrn OFF
'1a
pO\·~er
the
rra~r
::e:a_se
w.t~
at rest. To a·•old possiole a::cidents
za·cs. re•.ac opera!e
s
....
s becaJse o! e.oc:r.c
pow
er
mou,ted 1nsioe the electrical box.
·a:e :ne
yoJr
:re
ycv
while the mach.ne
kee:>
...
:Je
a
serv
~ply
s
wi:c~
-ac~
..
emO\·&d.
.t
en, place
nand u1der the needle wnen you turn
"Tlacnir.e.
rnge·s
you•
rand
be
suro to turn
care!.JI no: to a: low
re
reac.
::'
a::r'"pt
o·mot
or,
t.1e
;;ower to the machine.
re-eved .
in prior
thG
cover
of
the electncal box
~e
v.i~'l
any
o'
th
e be.t
ng
caug
ht
in the machme.
and the motor
no1l1in
g around them.
.:1:0
the
thr
ead
take-
up
is,, opera
s away from the VICinity of
OFF
s:art
ol
the
the motor
:l'e se·Ning machine with
shoe~
to
tl1e
connectrionldisconnecti
tion, To prevent
the
power to the
your
fingers in the
machine,n.rr
or
remoVing t
does
not produce
due
to a
or
camaged electrica.
'<eep
cover
OFF
he
belt
bru
pt
w
•·
r··
t
-3
-
~[
B
EFORE
l.
Pre-s
tan
che
cks
..
· · · · · · · · · ·
2.
Operaling
3.Specification
-Unstalla1ion
S.Oi ling. .
6.
Ho"
on
the fac e plate
i.
The threadi
The
8.
9.Thread tension asm.
1
O.Prcsser
ll.T
o adjust stitch length
l:2.Sening-u
!3.Adju>tment
l4.Adju
l 5.The timing
16
.Adjus
I 7.Ad
18.T
he
1
9.Thr~ad·vuidin£
20.Th.: clearance ofloopct·
instuctions
..........................
of
the machine
........
to r
egulate
threading
foot
stment
tmem
justmem
timing
' - .
.....................
oil
ng
ofneedk
of
......
p
of
the
of
tbe
of
the heigrnur' the
of feed
of
the h
oithe
of
looper
..........
amount
.................. · .... · ......
i!·,rcad
bobbin
!hr
..
................................................................
·· · ....................
......
needle
heighr
dog
eight
needle and looper
jn
amoumof
and
··ercrence
Contents
..
· · · · · · · · · · · · · · · · · · ·
· · ·
..
· .. .. ·
..
· .. ·
.............
..
· ·
....
........................
....
.............
b~
means
ead
.. ·
....................
oft
he
needle
,lfneedle
the
!o:Jer
and
needle ..
of
manipulating
· ..
......................................................
.. ·
..
·"
......
· .. · .. ·
..
· ·
...................... · .. " .. · .......... · ........
pre:;ser
feed
ba~
dog
........
bar ....
.........................................
to
ne::dle
.................
........ · ....
...... · ......
..............
....
........ · ...... · .......... · ....
.. ..
·..............
.. · ..
· ·
....... .................................
............
.....
..... · ....
.. ..
· .. ..
...........
..
· ·
··
·"
.. · ........
........
...
· .. · ·
......................
.................................
elements
......
...... " ..
· ··· .. ···
........
.. ·
............
...... · ..
.. · .... · .. · ..............
...........................
..
· ···· ...
.. ·
.. · .. · ..
.. · .. · ....
.................
.. ..
....
.... ....
· ·
........
...... ... 8
·..........
.....
.... · ..
"..
····
.........................
....
...
....
·..
.. ..
..
.
· I
· l
.. 2
· 2
2
3
3
4
5
6
· 7
7
8
9
9
9
10
10
11
CAUTIC
To
avoid
n
•
Before
thorough!)
Remov
Confi
jesignate
set
shall be i
warni
•
Confir
•
1\e,er
•
Confi
Operat
•
-up
1, P
!)
2) T
e a'
nn
.
re-
The
ng
ti
d
h<
ruming ch
3)
The
4J Cht
"ith
the n
2, Ope
1)
Do not
r
s
2l.Thetimingofneedkguard
~2.Position
23.Loper
2-!.The position ofthread-am-.:>unt
:ake-up lever
2 5.
Frame
26. Repbccmcm
27.:--.
taimena.n
2
8.Common
of
needle
thread
thread
ce
t::tk
e-up
........ · ..
eye)et
of throat
ofth.:
breakdo,\ns and
guard
ca:n
..........
.. · ..
plat<' · ..
machine
..................
.............
.........
.. · ....
· .. · ·
..
· .. ·
.......
measures
..
.......
..................... .............
......
........ · ....
~djusting
.. · ....
.........
plate
of
the thread
· · ·
....
.. · ..
.. ..
...... · .. · ...... · ....
..
· · ·
.... · ..
· " ·
· .. ·
....
· .. ·
.. · .. · ·"
..
.........
oftro;.~bie
..... .....
>h.:-o:in; .... .
.............
.. ..
....
..
· · · • ·
.. ...
..............
.. ..
..
.... ....
.. ".. ..
...... · ....
......... ......
..
..........
•·
...........
....
.....
...
......
..
" ·
..
..... ·..
......
.....
...
..
11
11
12
12
13
13
14
15
2)
Do
3)
On!)
-1
) After
fo
5)
Keep a·
6)
Do
guard. •
not
''
tl
r a "
not
BEFORE OPERATION
CAUTION
To avoid malfunct ion and damage
• Before
thorough!).
Remo,·e all dust gather
• Contltm that the
Confirm
• 1\e,·
designat
• Confirm
• Operate ,·our machine at the
set-up.
er
ed
\Otl
that
usc
one.
:
of
put the machine into
ing
during transportation and 0ii
\·Oltagc
the
po\\er plug has
the machine in :he state
tha
t
t!-.e
direction ofro:ation of:l;e motor pulley is correct
has been
bee-n
no~i:ial
the ma.:hinc.
op<:rmion for the 1irst
~orrectl:
properly connected
5<!\\ing
--------
1 ,
Pre-start
I) The machine shall not be s:aned running until
2)
The rotating directi
shall
be
in coumer-ciockwise one. (Vie" from the right side
warning shall be
check
giYen
- -
on
of
th~
in
ad,ar.c~
b~.lance
against making
~onfinn
set.
"here
r\1~
speeJ or les; for the fir;t
the fc:tow
tim~
it
well.
tl'
Yoitage
-
_
the
completion
'.\heel.
•.
,·hen
the
tf:<:
machine run while balance
ing:
after ;he
the po"·er suppl) .
t:
pe
i:;
.<et-up
different
momh
--
____
··----
of
oiling.
_
___
machine is started runni
of
the bdance
. clean
;'rom
the
aiter the
--·---
"heel.)
"hed
it
_j
ng
A
.
turning cloc
3) The machine sha
4) Check power source.
with the ratings on the name plate
2 , Operating
l)
Do
Do not
2)
Only \\
3)
4)
After the motor
ior a
5}
Keep away f:·om
6)
Do
guard. etc.
no1
"hilc.
not
k"ise.
ll
be under operarion
\Oltag.::
instructions
put
your hands under the lower
put
your
heP.
start
fin,<.ers
the
machin<'
S\\!;ch
B~
carek:
the
run.11lnt£
i•no
the
stops can : ou turn the balance "h<?d
being
n->'
to
hne
batance whee
the
:ncc
3c
less than 4.500 S.
. and
phas.::
number to see whether they
of
the mo:or to
---
pan
thread take-up Je,·er coYer when the machine
cumco
hjne
of!: Jt:e 10 inertia. the motor will continue to rotate
th~
machine tilted unless is stops.
!.
\'
·b·~H.
dL:ring
b~
used.
----
of
th<!
ne<:!dle
"inder
tnounting
and t
-
or
P.YI.
for the
-
--
---
--
--
- -
"hen
tht: machine is r
by
hand.
he
motor.
r~placing
the
bet!
are
----
--
Jim
momh.
in
accordance
---
unnin!?,
is
<.O\er
.
running.
.
finger
3, s
pecifi
cat
ion
Stitch type
Speed
1\cedle
Stitch
Stroke
Gauges
Chain stitch
Thread take-up ~ pe
Looper Separately adjustable
~eedle
Oil supply Impeller-type pump
length
of
needle bar
of
double-ro' \
guard Oscillating type and rigid
Light ciearance o
Lubricating oil
4,
installation
:'knee
of
fwo-t:cedle dot-1-le-
Max.
4,500
T
VX7
I.~-4mm
30mr:1.
];8
;\eedle
!iite
r 8-
"2
the
ma
'9-'21
''
5i32" 3. 16'' 7'
bar thread take up type
!0mm
''
hile oil
chi
s.p.m.
ne(Fig.l )
re>"
chain s:itch
3/8
.,
of
1·2'
I 8
..
to 1
:!
'
3'2
l/4" 5116
t)
pc, for the range
t:pe
I.
To install the oil reservoir:
the oil reservoir rubber cushion
Put
C"G
and oi I
four comers
rix them
install the oil
2.
Put the machine connecting hooks into
the holes to engage
hinges seated in the table. then place the
machine
re~ervoi
of
"ilh
reservoir (Fig
on
the four cushions.
the
the
r
opening
wood
felt cushion ~
of
the table.
screws %. then
I)
respecti
\ely
t\\
on
o
c
5.
O
ilino
- ---
I.
Oiling shall
and the oil surface also be made to
le'
el
the mark
machine is mr:ec ru;ming (Fig.2)
1.
Oiling
surface h3S
mark
··~
be
mad.: in oil res.:n·oir
"H
igh
..
sha
ll oe kept
on
bee:1 hought abovf! the
(\\\
· -·
...
·
2
before the
until the oil
~
To th
I J
Fig.3
.>
. The normal
the oil shall spra) or.to
amcur'i
not
at :tlf propordon1l
oi
oil in the oil rese;·vo
:o
worr) about.
4.
Ont.. when
loos
e~~"
dra::,~d
S.
\V11
en a
for long
shall
m:nmes
be
of
oil spra;
and
out
and
n~"
rime
:ifted
.
cor.d!tion
is
1he
drain
taken
new
model
co
be
and run
of
lubricati
the
oil sight. The
ing
omo the
~o
ti
1e
total amot:nt
ir.
There
cover
off
ca~
old
oil
i;
supplied
or
those standing idle
operat
ed,
presser
idle
for
on
is
th
uiJ
~ight
is
nothing
scre\v
•>il
again
foor
ai>out ten
at
is
is
be
.
6,
How to regulate
f
ace
plate(Fi
(
' I ,
,.--
Oil
ac
'j:Jstir.~
;,i~
Fig.4
7, The
To
thread
threading of
the
eyes
~
of
g4)
. • I
·
(he
needles
oil
need
amoun
le
thread.
in
the order as
t
by
means
oil amount
~hO\\
n
in Flg.5
of
manip
To
amoum
adjusting pin moves
as
n~ar
amount
turn
\\ill
w i!l
ulatir..g
oil-
of
as
~ou
be
amoum
the
thread take-up crank. min. oil
be
supplied
desir~. Othef\vi.se~
supplied.
:
elem
ents
adjusting pin
"hen
to
the
thread take-up crank
the
on
tO
regulate
mark
max.
the
of
oil
~
~~.:::=-~---
·
I )
To
2 I
make thread
To pull
needles
out lOOmm
.
go
through the e:c
of
the
of
the oeed!c
remabing thread after
0\lt\\ards
. (\.1ew from
n~edle
thread going
the
through
3
oper&or's side1
L~
e
eyes
of
the
. ,
~,
The
threa
~
To
:nake bobbin thread going through the e\'e
and
71
11
:\lake the bobbm th:tad
thr~ad
when
2)
Pull the spri
))
\\ 11en threading the looper. the thread sha
"ith
a tweezer as
of
ng
of
bobbin
go
through the
harder t\\ist tibre is used and ieed gaugers \\idcr than UsuaL
toward the operator, as shown in F
.ho"n
in Fig.7 and
thread
~
Omm
.,.,
...
.,/
.......
~
---/.:;;
(Fig 6
ten~ion
ll
of
remaining thread be pulled out.
4
and
7 )
of
the nee .:lc
gt:id:
ig.
7 and
be
made go through the
in
;>!ate:
pan A "ill
the
ord~r
go through the tv.o holes
as
•ho"n
rise upwards.
e)e
in l
of
the needle
F!g6
--------··
Ftg.6
_
--
~--·
-.......
r;::-
---·~-
-
~
~
___
__
:._:,__
,;~;-..,
~.::.-:::
~ ~
·-......,.
J'
\.
,-
...__;.:':._
..
9 . T
F•g.a
----~
hre
-----
ad
-----
t e
·-
nsi
..
·~
o n
asm.
-
--
(Fi
gs
8 ,9
and
10
)
ro adjust
\\
he1
necJic
ten~
ion
n~edle ~h~eao
se\
•.
m~
v.:ork:ng
\hread
l~nSiOn
:H.:t
c
:oc k '"
wrn coun;er-ciockwise
To
adjust bobbin
Turn t
e-ns
km
sc rt\' clot
tension:
rurn
renskm
tension
condition.
:"1~
tension spring. f
ise-
to
~ncreas
hJ
dec:rC"ase
thr~ao
ton;klr::
f..:\\
ise
screv.
counterdock."Wise
is
accordance
-..ve
can
e
the
the
H:msion.
to
incr
:.Jm
tens
eas
adjust
th~
ion:
e t
he
to
5
.--
Fig
-----
10
--
\ee<l'!e
E!o:t
1n
tMr
l"'te3j
ac
Tensi
on~
decrease
-Q'he
the
bobbin
the
forming
turn tension
the
tension.
relation
thread as shown in (Fig.IO) depicts
of
::;crew
between
chain stitch.
counterclockwise
<he
needle thre
ad
ro
and
10, Presser
flg.11
foo
t {f ig.ll
'
and
1 2 )
Ad
jusilnem of pressure on presser foot
(Fig. ll
dock."\\·ise
J
T u
rn
p.
·essure regulati
i.O
pressure
counter-cloch.'\\
general i
regul
left"
foot under the condition
..
regulating thumb
Lie
abric
the
ati
ng thu
mb
sere"
TJ·.e
pre.ser bar l
ard
or
right\\ ard in or de. to
increa~e
to
standard height
the
decrea~e
1S
ahout
ifte
r
.shall
of iif!ing
ng
thumb sere\\
pres..~ur~:
sere''
the presstl'e.
of
pressu
2i-3
0mm (5kg)
be tumed e
keep
the presser
pos
it:o
n.
turn
For
ithe
re
Fig
.
r
F1g.12
6
Fig ·
1 L To
adjust stitch
length (Fig.13
)
/-~
I
..
.)
'Z._Y
Fig.13
12
,
Setting-up
..
..
I . Tum
desired. The ,·aJue
feed
regulating dial
of
graduation
to
the figure
is
sh0\\1
1 in
millmetre(mm)
..,
If you intend to change the stitch length .
press
'
do"n
tuming
3. Max.. stitch length is
length
-+.
\\
l1en re,·erse
tight-needle stitch
this
'ersion
ana
e
nd
seaming or partaking.
of
the
needle <Fig14
5.The
machine can not
and
the reverse
the feed regu
is
1.4mm.
fe
ed
of
of
stitch
15
)
f~ed
le,·cr while
lating dial.
-+
mm:
.:vl
in.stitch
Je,·er
is
pre
ssed
1.4
mm
"ill
be formed:
is
suitable for beginning
make
re,·ersc stitching.
down.
Fig
1<~
Fig ·s
c
> •
_
......,_
B
-..._/
\Vhen
IS used. the direction
../
.....
.. /
, _
A
'-._/.
eye
sha!l
in part
be
desired fall within the range of
'9
1o
'21
be
cus10m-made when thread
chemical fibre
can
be
ig.
in F
thread
of
chemical
of
not be in that one. as
C
of
Fig.!
-1
. ?\eedle tvpes
of
TV X
7:
Oil tank shall
is
used: s
placed like that.
l5.
t
he
ili
cone oil
as
indicated
fib
need
sho"
re
le
n
to
of
7
-
_
-13
-
,
_
A
_
d_
j
_
-u-
s
-
~_r_n
-
e
_
n
_
t
_
o
_
f
__
t
_
ll
_
e_h
-
~-~
g
-h
_
t
_
'!_!._t
_
h
__ e ___ p_r
_e_s_s_e_r_b_a
F
or
the requirements
__
r-:-(F-~
-
g
-
1
_
6
_
)
-
-
.==1
of
either replaci ng
•15.
Th
Fg
16
-
--
---
14 . Adjustment
_
::.""~
---
-
----
-~--=~;,·
=-:~-~
-
---
.:
.,__
--
I
-
of
==
-
~
~
the
-'
• .
, __
~'
~.
- -
-- -
height
,..
_ --.
the presser
angle
be
obs
1 . Take off the rubber piug in the hole
from
~.
Loosen the presser bar guide bracket set
SCTC\\,
3. After adjusting. retighten the sere\\.
----
..
of
-
----
the
feed
Loosen
Fig.
adju
'e
:vtax.hc ight
I
sted
rsion. A version.
fo01
or
changing the height and
of
presser
erwd.
t
he
-------
dog
the
8.
the angle
to the speci lied one
fooL
face plate.as shown
--
(Figs17
set
screw
of
of 0.8mm
the
fo
llov.ing shall
----
and
18)
:.?.:.
as
the f
eed
and B ve
of
the projection
in
Fi
g.16.
-
sh0\\11
dog can be
of
standard
rsion. The
in
Fig 19
lt6.
Fig.20
1
17
,
/
Ad
Ad
from
dog is adjusta ble
scr
ew
J• as shov. n
r-==r=;='F'
-:.!...
~
,\1
"-
·- - - _.-2 ·--""':' -
-= -:
'I
~
- -
- - - - - - -
Fig.18
----
8
by
the adjusting
in
Fig. t 7.
of
8
·-
"--
-
15
. T
he
timing
of
feed
dog
and
needle
'.\:-.en
: (
Fig.19
the point
)
of
n~dlc
~\\
ering
do\'
n to the
16. Adjustment
--
--
i\:;
1·-e
of
•
. -
the
;~:va•ec
-
-
--
\.....:...-
height
-.
location
throat
~eio"
lJ;e
r"!:~~:v-
of
needle
.gra~w::ion
Jead
line
bushing.
of
plat~.
the
upper surface of the
ruor.ing
iO
·~e
~entre.
"ith
lo"er.
3mm from
the feed
oi
feed dog beinf " e
r:'IOliO!'l
bar:
o~
tne
the rrark
the
lo"
th~
dog
o·-
(
Fig 20)
needk
of
cr
end
as indicated
upper ;urfoce
is
right at the
L'troat
!:
needle.
bar
is
at the bottom
grad~ation
oi
the needle bar
in
Fig20.
of
the
po>it
ion
plate. ':Z.
regulated in
shal: be
in
111.
Adjustment
8
-·
-
--
F1g
21
~--
of the n e
__
__..
Neece
edle and
.~diu•tment
'oon
.or:
d!
~::C
tl:-\.
. .:irre"sicln
sew'"!; "i)Cration
The a.:l.'usting procedure
loop
oi
:orward &
The dimension
mo:i<m
'""
ci
9
er (Fig21
bac~"'ard
of
paJt B
be measured.< refer
part B
of
ne,'\fles
is
u~ual~
of
~II
i<
as fol!m• s.
and
of
3.-mm.
kinds
22)
motion
the
looper in an
to
Fig:
<unable for
of
;,,zes.
of
I).
the
The
~C./
Fig.22
18
,
Tbe
I
~---.---..---=~~
.,-
-----------
tim log
of
~
looper
1)
Take
off the rubber "lug
loo
per lrefer
1)
Turn
the
3)
First
loos
adjust marked screw.
4)
Turn clod:wi:;e
mark
is
printed.
i:lcreased
5) Tighten set screw and
in
refe
in
renee
to
F1g:
2 1
balan
ce wheel
en
set sere-' and
the
and
valu:.
to
needle
o~
the
cra.~k
by nand
aJ;ustab~
the
dimension
po
?O>il
ioning
ser
siti
oning scre
(Ftg.
.
e"
of
2 3 )
case
screw,
on
which
pan
w.
of the
and then
punch
B will
be
20
, T
Ail
and
the
when
it
and the
The
centre;
(refer
19 .
loosen
to
l'ig23.)
Tbrcad-guidlng
I) The standard
the
be
2) The
looper
the
eye
in
line
value
shall be mo'
scr
ev.
1ln
,·aJue
of
the
needle
"ith
the lov.er
of
the stroke
ed
backward to the lowest
the
gear and make
Fig
amount
<lf
the
vertical distance
is :!mrn.
end
of
moved
then
the
backward
timing
adjustment ot
,-
---
I
·
5&·
~
-.,S.-J
-
~__j
.23
o f
the
of
the
the
graduation
needle
bar busning,lower.(reier
b~
the
position
while the
--<a
loo
per(tcfcr
point of
mark
looper
the looper
on the lower
is
abo
ut 3.5mm.
the
needle
looper
to
awa}
part
to
is
at the bonom de
111
relat
ion
Fig.24)
from the upper
of
the
fi~.:~)
to
needle
the
n.:edl
e~d
bar shall
ad
e
of
agains
21,
'-
- -
22
t ·
1
I
I
. I
3)
The
relation
(Note that
the
bem
left
een the
looper
eye
and the
of
right
the
needle and
one
the eye
can be separate
of
the
ly
adjusted. '
10
Ioeper 6 :-.cica:ed
in
Fig.2-1.
Osc
Flg.
24
20, The
After adjusting the
and the looper sha
when
and the point
against
21, The
clearance
it
is pressed dov.n softly. If the clearance is narrower that usua
of the looper are
the looper point.
timing
of
looper and
needle
--------------------------
n~ed!e
ll
be kept unchanged: the needle shall not touch
of
needle
guard. the clearance
apt
to
bcur
breakage due to the impact
guard(F
ig25)
dl?pends
the rock shaft
of
a given
"':le timing
on the condition
\alue
at
t
he
l.
the side
of
of
the loope r
--
between the needle
point
of
the looper
of
the needle
of
the needle side
the needle guard
of
the plane on
\\hen
no. I
22, Position
Oscillating t
he
of
need
le
needle guard
sere\\ has been screwed into this rock
shaft.
guard
to
(Fig 26)
--
--------------
make the needle tip contact with needle gauge slightly.
11
--
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