Siruba L381, L382, L383 User Manual
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IMPORTANT SAFETY INSTRUCTIONS
To get the most out
machine
for a long time.
2. Read
4.
5. This machine shall be operated by appropriately-trained operators.
6. For your personal protection. we recommend that you wear safety glasses.
7. For the
9. Tampering with the live parts and devices. regardless
correctly.
Please
Please remember to keep this manual in a safe place.
1.
3. Use the machine after it has been ascertained that it conforms with safety rules/standards
8.
10.
11. General maintenance and inspection works have to be done by appropriately trained personel.
12. Repair and maintenance works
13.
read this Instruction Manual carefully before
Observe the basic safety measures, including, but not limited to the following ones, whenever you use the
machine.
all the instructions. including, but
machine,
country.
All safety devices must be in position when the machine is redady for work
without the specified safety devices is not
7.1 For threading needle (s) and replacing bobbin.
7.2 For replacing part (s)
7.3 For repair work.
7.4 When leaving the working
If you should allow oil, grease, etc. used with the machine and devices to come
or skin
medical doctor.
Repair, remodeling and adjustment works must only
specially skilled personnel,
technicians
Whenever you find a failure
Periodically clean the machine throughout the period
In
following, turn off the power switch
or
swallow any
of
the many functions
addition, keep this instruction Manual so that you may read
of
needle, presser foot, throat plate,feed dog, cloth gude etc.
place
of
such liquid by mistake, immediately wash the contacted areas and consult a
of
or
under the audit and guidance
of
any
of
this machine and operate it in safety, it is necessary
use
. We hope you will enjoy the use
not
limited to this Instruction Manual before you use the
allowed.
of
disconnect the power plug
of
when the working place is unattended.
of
whether the machine is powered, is prohibited.
be
done by appropriately trained technicians
electrical components shall be conducted by qualified electric
of
specially skilled personne
of
electrical components, immediately stop the machine .
of
use.
of
your machine
it
at anytime when necessary.
valid in
or
in
operation. The operation
of
the machine from the receptacie.
in
contact with your eyes
l.
to
use this
you
r
or
14.
Grounding the machine is always necessary fot the normal operation
to be operated
15. An appropriate power plug has to be attached to the machine by electric technicians,
be connected to a grounded receptacle.
16. The machine is only
17. Remodel or modify the machine
safety measures. We assumes no responsibility for damage caused by remodeling
machine.
18. Warning hints are marked with the two shown symbols.
A Danger
in
an envivronment that is free from strong noise sources such as high-frequency welder
allowed to
of
injury to operator
be
used for the purpese intended. Other used are not allowed.
in
accordance with the safety rules/standards while taking all the effective
or
service staft
& Items requiring special attention
-ll-
of
the machine. The machine has
Power plug has to
or
modification
of
.
the
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FOR SAFE OPERATION
~
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1.To avoid electrical shock hazards, neither open the cover
motor nor touch the components mounted inside the
1.
To
avoid personal injury, never operate the machine with any of the belt cover, finger
guard
of
safety daevices removed.
2.
To
prevent possible personal injuries caused by being caught in the machine. keep
your fingers, head and clothes away from the handwheel, V belt and the motor while
the machine is operation.
3.
To
avoid personal injury, never put your hand under the needle when you turn "ON"
the power switch
4.
To
avoid personal injury, never put your fingers into the thread take-up cover while
the machine is in operation.
5. The
6.
7.
looper rotates at a high speed while the machine is
ible injury to hands, be sure to keep your hands away from the vicinity
during operation.
replacing the looper.
To
avoid possible personal injuries, be careful not to allow your fingers in the rna-
chine when
To
avoid possible accidents because
power to the machine when
or
In
tiling/raising the machine head.
In
addition, place nothing around them.
operate the machine.
addition, be sure to turn OFF the power to the machine when
of
abrupt start
tilting the machine head or removing the belt cover and
of
the electrical box for the
electrical box.
in
operation,
of
the machine, turn OFF the
To
prevent poss-
of
the looper
the V
belt.
8.
If
your machine is equipped with a servo-motor, the motor does not produce noise
while the machine is at rest.
machine, be sure to turn
·g.
To
avoid electrical shock hazards, never operate the sewing machine with the ground
wire for the power
10.
To
prevent possible accidents because of electric shock or damaged electrial camponent(s), turn
power
plug.
supply removed.
OFF the power switch in prior to the connectrion/disconnecti on
To
avoid possible accidents due to abrupt start
OFF the power to the machine.
of
of
the
the
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- v -
..
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · - I 7
Contents
Before operation ·········· ······················································ ························· ··············································-1
1.Pre-start checks ························································ ························ ················· ······································1
2.0pe
rating instructions-····················································· ········································································· I
3.Specification
4. Installation
5. Oiling ..................................................................................................................................................... 2
6. How to regulate oil amount by means
7. The threading
The
8.
9. Thread ten sion asm
12. Setting-up
13. Adjustment
15. The
16. Adjustment
threading
10.
Presser foot .................................... ....................................................................................................... 5
11.
To adjust stitch length .......................................................................................................................... _ 6
14.
Adjustment
timing
· ··················· ················· · · · · · · · · · ··························· ···· · · · · · · ·························· · · · · · · ························· 2
of
the machine .......................... · ..... ·················· ...................
of
manipulating elements on the face plate · · · · · · · · · · · · · · · · ·
of
needle thread · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 3
of
bobbin thread · · · ·
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
of
the needle ............................................... .......................................................................
of
the height
of
the heig ht
of
feed dog and needle ····························· ································································· ··········· 7
of tbe height
of
of
of need
..
· · · · · · · · · · · · · · · · · · · · · · · · ·· · · · · · · · · · · · · · · · · ····· · · · · · · · · · · · ········ · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ...
the presser bar·············· ···········--·····················
the feed dog········ ············ ············································································ 7
le bar ...................... ········· ................................... ······················· ········· 8
..
······· ......................... ·······
....
· · · · · · · · · · · · ·
..
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
..
·········································· 7
..
···
..
· · ·-4
..
· 2
··
..
...
3
5
6
17.
Adjustment
18.
The
timing
19. Thread-guiding amount
20.
The
clearance
21. The
22. Position
23. Loper thread take-up ca
24. The position
25. Frame thread eyel
26. Replacement
27. Maintenan
28. Common breakdowns and measures
PARTS
timing
BOOK
of
the needle and looper ..................................................................................................... 8
of
looper
of
of
needle guard ········ · · ··· · · · · · · · · · · · · · ········· ············
of
needle
of
of
ce
of
..
· · .. ·
in
reference to needle · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ... · · · · · · · · · · · · · ·
of
the loper·······································································································9
looper and needle ····································································· ··························· ········ 9
guard·
thread-amount adjusting plate
et
throat plate · · · · · · · · ·
the machine · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · .. · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
.. ·.
·························· ······························································ ···························-
m··
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· · · · · · · · · · · · · · · · · .... · · · · · · · · · · · · · · · · · · · · · · · · .. · · · · · · ·
..
· .................................................... · · · ........ · .............................................................
··
· ···· · · · · · · · · · · · ··· · .............. .... · · · · · · · · · ·
of
the thread take- up lever .............. ..............................
..
· · · · · · · · · · · · · · · · · · · ...... · · · · · · · · · · · · · · · · · · · · · · · · · · .. · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
oftrouble shoo
ting ................................................... ................... 12
·· ··
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I Before operation
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CAUTION:
To avoid malfunction and damage
• Before you put th e machine into operation for the first time after the set-up , clea
gathering during transportation and oil it well.
• Confirm that the voltage has been correctly se
power supply.
• Never use the machine in the sate where the voltage type is irrerent from the designated one.
• Confirm that the direction
• Operate your machine at the normal sewing speed or less for the flfst month after the set-up.
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I. The machine shall not
2. The rotating direction
(View from
while
3. The machine sha
4.
Check, power source, voltage, and phase number to see wheth
plate
th
bal
ance wheel turning clockwise.
of
the motor to be use
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e right side
ll
be under operation at less than 4
m~~~=
-~~•M•~~~-~~.
It!
VJlt~
~
:1!
N
lHiffJ
o
- •.•~~m*m
iE
1iffJ
o
•@~iE~~-riE~~~r~~
of
the machine, confirm the following:
t. Confirm that the power plug has bee n properly conn
of
rotation
$o
~, @1~
••
started running until the completion
of
the balance wheel.) A warning sha
d.
of
the mot
~:it
~~~4fi~
It!• .
~
or
pulley is correct.
it1
•4000
ffi&•m,~ffi;J!§iE•
,00
0 S.
P.M
#~~~~~~
.
.
.~~•ft
#i!H7~~H1~!&.
of
oilin
ll
be given
. for the first month.
er they
o
o
g.
in advance
are
in
accordance with the ratings on the
n it thoroughly. Remove all du
aga
.
st
ected to the
in
counter-clockwise one.
inst making the machine run
nam
e
=.
Bl!11li!~·JiJi
I,
tJLcB~~Brt,
2,m·~~~.
3,
fJLBrdu!Ef
4,*~
1'1!~«*
tJLBftUifiJ
5,
«B
~~H
iWi!
-~
•
ll:.FP.
*FP·
.
t.
-rn~
I Operating instructions
J:m-
=f-:J.&¥1
J#tf.J~$o
8 ~N
~Am~ff~-~
7t~t.l~~m
~r•tt~tr.J
a~t~,
o
•a
.
~~~;!tE:t:F-iN®
o
l'l!~m
~~•••~
:ili
~tfam~$~,
- ·~~
"V" m&#}. f
Efmt-t:ili.
6,
cm&m•
I.
Do
not put your hands under the low
2.
Do
not put your fingers into the thread take-
3.
Only when the machine stops can you turn the balance wheel by hand.
4. After the motor
have the machine tilted unless is stop
5. Keep away from the balan
6. Do not sta
&~m
rt
running the machine during mounting
a~
.-~JF~m•
sw
itch being turned off, due to inertia, the motor will continue to rotate for a while. Be careful not LO
ce
wheel,
V-b
o
er
part
of
up
s.
elt, winder and the mot
the needle when the machine is runnin
lever cover when the machine is running.
or.
or
replacing the
belt cover, finger guard, etc.
-1-
.~~
l!
g.
·~•·*~
l;1
Jm.
t!!~WrE*
ll:.
ft~~•
•
I!!i:tfx:~tE
t1Li~1l»A~
~~~~
~
)~
~~*It
#fffi~
:«
tt
iitl
ie
~~~~J't
~
tj
i*
#WJ
~fN;ffi}l!ll
i
tt
~
ilflilt~
I!Y
..
1H
Ri
l.4~4m
3
1/8" 5/32
1t'HU
5/1
fi·H~t
-
~
i
1fi
J:::1Hi
ntJl
2%8
:lJLI~l'l{]~~(001)
jlf!fflll
Nearbodyside
I Specification
tJ~
tf-~
1Jj4Jj;Jtl1jl4500~
m
0mm
" 3/16" 7/
6" 3/8"
~
!l!:ftiJWi'i J:\~ 118"~1/
741~\
'
rei! ~ ):\
~
ilir
001
Fig. l
~UiJ:\!ii
32"
1/
4"
1/2"
2"jl!iffl
*
ffl
8~10m
m
/Installation
t~
\ii
l(l
Hinge si
de
"S
tit
ch
type
Speed
Stitch
leng
Stroke
of need
Gauges
of double-row
Thr
ead
take-up
Looper
Needle guar
Light
clearance
Oil suppl
y
Lubricating
of
the machine (Fig.l)
I .
th
le
bar
type
d
of
knee lifter
oil
M:at~~-=
ifi,
fflila:at~tr
Two-need
Max.4,500 s.p
1.4~4mm
30m
118" 5/32"
5/16" 3/8"
Needle bar
Separately adjutabl
Oscillating type and rig
8~
lmpeller-t
#2 while oil
·M·~-
Q)•:Jt
2.am~~-~~A••~~.
~. w•·~~~~fljfi~-~-
l.
To install the o
Put the o
Q)
oo
four
wood screws
2. Put the machine conn
ctively two hinges seated in
the four cushions.
il
reservoir.
il rese
rvoir rubber cushionOOand o
corners
of
the opening
<I>
,then install the oil reservoir (Fig I)
ec
le doubl
e-row chain sti
.m.
m
3/1
6"
7/32"
1/4"
112"
thr
ead take
l0mm
ype
pump
OO
~M:at•®
re!J/E,
up
type
e
type
,
for
the range
id
type
fi}~J:M:ato (~I)
~~•~m~~•~•m•
l:o
il
of
the tabl
ting hooks into the hol
the
table, then place the machine
tch
of
1/8
"
to
1/2"
·~~-m~~~
reservoir fe
e,
fix them with the
es
lt
cushion
to engage respe-
on
1i
..
JJnilfJ(002
002
Fig.2
003
Fig.3
..
003) I Oiling (Fig.2
..
Fig.3)
1.
lf:iJilb:at~1Jli
2.
-
~o
*
3,
)
JliM
~
~·~ilE
4.~---~.
s.Rmam•~*M*Rm~~mm~.
tJI•3
500-4000tl
l.
Oiling sha
to level the mark
Oiling shall be kept on until the o
2.
mark"Low" (Fig.3)
the
3.
The normal condition
oil sight. The amo
proportional to the total amount of o
nothing
4.
Only when the drain cover screw is loosened and taken
oi
l be drained out a
5. When a new
rated,presser foot shall be lifted and run idle
~~
JJmM
(2"%8 M)~lllGHic
nn
ffff
fl
.Ff
Low
ic
-~,
J§JF~tJm~,
wHJtlE'ffi"Ht
~l:
~MM
~~~
RWm~M:at~mM•tr.
·a'oJ:ia!Jt~f!<~
ll
be made
to
worry about.
in oil reservoir and the oil surface also be made
"I-Ugh
'1 befo
re
of
lubrication is that the oil sha
unt of
oil spraying onto the o
nd
new oil is supplied again.
mod
el or those standing
-%ffl
m w
»oilE
0
,
m~H~IJiltmlnY!¥1JM~
~MM~·~~*
•msffi•~•*
I 0
7H
ijl
0
the machine
il
is
started running (Fig.2)
surface has been brought above
il
in
the o
il
idl
e for long time is to be ope-
for about ten minutes.
H
!L(I¥J2
)o
J:
(003)
.
·~~~
~ilERftmllio
ll
spr
ay
onto the
il
sig
ht
is not
at
all
reservoir. There is
off can o
ld
-2-
,\,
iiii~Sitkl:ifnlilCm4)
I
How
to
regulate
oil
amount
by
means
of
manipuJating
elements
on
the
face
plate
(Fig.4)
~~M~~~-.
~J~.
~ft(:t'~
t
mark
you desire. Otherwise, max.
wili~ff~fffi~a-t,
~-: ~~MA
.
To
turn oil-amount adjusting pin to regulate oil amount
hread take-up cr
of
adjusting pin move s to the thread take-up crank as near as
illl
ti!W
n'i
Oil adjusting pin
'rn
Graduated mark
0
;-
Cltl]R,.
~
III4
Fig.4
--1:;,
Wt!f.J~~(005)
~~ff~*~•amft~.•oosm~•~•~•M3~R.
1.
r~
Mt*1'F:t--11Jl1JrfiJ9~~M;tJL~
2.
ilfi~~M:fJL#
To
thread the eyes of the needles in the order as shown in Fig.
I) To make thread
2) To pull out 1
ni~·~flffl[l:f::llOOmm-!*~ik.
go
through the eye
OOmm
of
I The threading
.
of
the needle outwards. (View from the operator's side)
the remaining thread after needle thread going through the eyes
of
needle
thread.
S:
~~~~~ff~ff·~~M~~~-~
MflH
r!u
J~.
&z.
!J!IJM
!ift:k(i¥14)
a-t
W+#~
ank
,min .oil amo
• .
~M
·*~~
unt
will be suppli
oi
l amount will be supplie
-~~
ed
d.
(Fig.S)
of
the needles.
~~
of
the
when the
ms
Fig.5
- 3-
J\.
~
fi.t~l'(.J~i!(006
~
007) I The threading
of
bobbin thread
(Fig.6~
Fig.7)
Ji.H!Ht<
I
.~(006)m7r-~:tt~~••oo~~~
2.
~e
3.
~~tt-~at,
To make bobbin thread going through the eye
Make
I)
fibre is used and feed gau
2) Pull the spring towa
3) When threading the looper, the thread shall be made go through the eye
and
00
7f-
I1IDl
Fff"&
(X~
(
00
7)
r.p
~ ~&
.liYHlVd'F-
Jfll)f.tflj:r.j:I~/Fli-Tt?iOOJ-1JT
the bobbin thread go
rd
50mm
of
remaining thread
:i1
~~:fLo
.~m~~*~
A
1A
imtlm
, A
il.t ~ J:
iii
7f-
¥-f~~:tt.
of
the needle
thr
ough the tension guide plate;
ge
is wider than Us ual.
the operator, as shown in Fg.7 and part A will rise upwad
be
pulled o
ut.
lt9
~~-~
o
1:E~tl-
in
the ord
a~iW!tffil
er
as shown
go
through the two holes when thre
Mm
mMm*
=>IH
il50
of
the needle with a tweezer as shown in Fig_7
~MM@•=
mm*~#-
in
(Fig6 and Fig7)
s_
o
~R
ad
o
of har
der twist
-4-
n~
~~~~(008~
008
Fig.&
009~
0010) I Thread tension asm.
(Fig.8~
ITif
g:
.B*
1J
l'f.J~
ag&*1JI¥J~~(0093f
a
oo
g&
ai:J
=rc ~ (
To adjust needle thread tension is accordance what sewi
condition,we can adjust needle thread tension by tension spring.
th
e tension
counte
r-
clockwise to decrease the tension.
To adjust bobbin thread tension:
Tum
tension screw clockwise to increase the tension;turn tension
screw counterc lock wise to Tension; tum tension screw counterclockwise
to
de
crease the tension.
The
relation between the needle thread and the bobbin thread as
shown
in
(Fig. I
(
00
8
3r
oo
1 o
1rr
nut
clocwise
O)
depicts the forming
7F) : rJiJ
7F): rJiJ
7ft )
to
Fig.9~
;(:]
tffl
;(:]ft
1:7
t4
j\;
g&
incr
ease
to increase the tension; turn
of
Fig.lO)
Z9J
*
g&
it'-
flt
~*
1J
1f
* o
Z9J
*M•~*:h1f*o
~
a~:J
*
nt
0
ng
working
Tum
chain stitch.
jTjjtl(
Needle thread
/If:~
Bobbin thread
009
Fig.9
+
~
ffiJJ!II(OOll.
0011
Fig.
II
0012) I Presser foot
1¥1
10
Fig.lO
(Fig.ll.
ffi
*~·
im!ffi!lt'-nfii:J;f'f><lf.ll
~~ffiJI!fJ§M~M~mft.
i;IJl'!PiiT ( 00
Adjustment
Tum
pressure; turn pressure-regulating thumb screw counter-clockwise
to decrease the pressure.For general fabric the standard height
pressure regulating thumb screw
The presser bar lifter shall be turned eith
in
order
position.
Fig.12)
J~
ffi
1J
a1:J
ifn]
i'J (
00
I I ) : )l
&Z~ffi:h-~o~-fi~MW~.
H£1:727-
12) o
of
pressure on presser foot (Fig. II)
pressure regulating thumb screw clockwise to increase the
to
keep
the
pres
ser
im
[Jij
~
i;IJ
ffi
Jl!fJ
~ ffi
!t'-
n , ffi
ffiJI!fJ
30mm
(
5~
JT)
ti.;(:]
0
R~WffiJI!flfi~~~~rJiJ;(:]ft
is
about 27-30mm (5kg)
er
leftward or rightward
foot
under
the
condition
of
lifting
1J
of
0012
Fig.l2
-5-
+~~
1¥113
Fig. l3
-r
-
~
!ff~I
:
Ht{]WilCOOI3)
I
To
adjust stitch length (Fig.l3)
1 ,
tt~
•m~m••*•~·•m~•J3ti¥-1B*mmma~
2.
#~M*~'J'J'a~lti*I-~
lli
3,
#~¥:};{.ft:k~4mm
4,
~rfiiJJli~H~-¥.
,g
5,
**
I. Turn feed regulating adia l to the figure desired.
duation is shown
2.
If
you intend to change the stitch length, press down the reverse
feed lever while turning the feed regulating dial.
3.
Max.,stitch length is 4mm:Min.stitch length is l.4mm.
4.
Wh
1.4mm will be formed;this
ginning and end seaming
5.
The machine can not make reverse stitching.
f}L!ff(J{J~~(0014~
0015)
I Setting-up
*
J3t
1¥-1
oo
i1 (
;
-.ill~
#J
:ili*4
M:J
~n
~
_
u-J.ihx
JL::fnt
llH'Tfi
'J
in
en reverse feed l
of
the needle
oo
13)
.R
~
PJHHi
iJ
*
*4
f~
=¥-
1:
ffii
a%i· rm
_
~
.
J
/Jt
flit , mz-
.itl¥-ffj~**'-f~=¥-¥Al'
iE•tn .
,
IVJ,~I.4mm
#:i!Z£~79~*~(1.4mm),
1m
no
~liHi
&:9
J
(f.]
g-rs'lt
~.
millmetren(rnm)
ever
is pressed down, tight-needle stitch of
ver
sion
or
partaking.
(Fig.14~
.
i:r<~tm~J'!
•
The
value
of
stitch is suitable for be-
Fig.lS)
of
F
gra-
l'l
f
1¥1
14
Fig.l4
Feed direction
l
0®®
000
;(:£it
ffl
ft
~f
~at
,
*JL
ti-fi-:fL
rAJ~~.
*
JLth1HtTVx71'l'>J
(00
1
5)1ifrl'Ff~Jt.Jtx:]!fr£ftil
When thread
eye shall not be
types to
tank shall be custo m-made when thread
silicone oil can be placed like that, as indicated
be
desired fa
of
8
9
~82I~HJL#
'
chemical fibre is used,the direction
in
that one, as shown
ll
within the range
l'l''J
:17
lnJ
::f
fit
'!lo
(
.
JlHt~f~~iiJI
illl~L\!Z§J5'
~
)i::lli
l]
0
in
part C
of
8
of
of
8
9 to
21
chemical fibre is used;
in
Fig. IS.
00
14)
~
C
1'1''1
JJ
Jflit
,
~t:&:
of
the needle
Fig.14. Needle
of
TVx7 ; Oil
Fig.l5
-6-
+ =
~
ffiJJ!Pf.lilll'miJJi1(0016) I Adjustment
of
the height
of
the presser bar: (Fig.16)
0016
Fig. l6
+lm~
~~...j-7f(t9iJW]l(0017.
0018)
~~-
00
17
Fig.17 A type B t
~
~
I
Adjustment
·:.
-
B'W
ype
~T-~ffi-~~~···
1,
mrffii;f&J:a1:t
2,~~ffiff~~~~~~rt*fi~~
3.
ifol~m~~~ffiil~~n
For the requirements
th
changing
be
observed.
1. Take
in Fig.16.
2.
Loo
Af
3.
e height and angle
off
the rubber plug in the hole from the face plate ,as shown
sen the press
ter adjusting, retighten the screw.
of
MEt'~
(
00
A~.
B~ • .ili!¥47ffk*~'H
L
~
er
bar guide bracket set screw.
the
height
I8)P.Ji'7F~~rt
-~WW:
(OO
I6)
o
o
of
either replacing the presser foot or
of presser foot, the foll
of
the
feed
dog
(Fig
CZl • .ili!¥4 ?fa1 ftJi
l
Lil:~0.8
1ft
I'.!
rnm,ffl(0017
i'io
Loosen
dog can be adjusted to the specified
feed
A version, and B versio
ction from
in Fig.
the set
screw
Q),
n.
The
do
g is adjustable by the adjusting
l7
as shown
Max. height
in
Fig.l8,
one
of
of
0.8mm
of
owing shall
.17.
Fig.18)
P
r.iJ
iml=il
JiX:$-Fl'ttm!L
)
rp~rtCDiml
the angle
standard versi
of the proje-
screw
(i)
of
the
on,
as shown
+
.Ii
~
00
19
Pig.l9
lli~-+~
~INIJI!'ff
Set
~ltl'l'!l15Jif;(0019)
scr
ew
I
The
timing
·
t&
1:
if
3mm
at
the position bel
running
of
needle.
of
H~rlltf-~flt&J::ifffii3mm
w
t;J.
r ,
Wh
en the po
from the upper surface
of
feed d
feed
JJt
not
int
ow
og
dog
,
of need
the upp
being we
-7-
and
needle (Fig.19)
flit
,
iliff
IE~
1\lJ
t11
0
r.iJ
iffii
le l
owe
ring down to the l
of
the throat plate, the feed
er
surface
ll
regulated
of
?f~
IJ~
~ffl5rll$~-¥
11
(
oo
19)
rF
a'~
!1\.~U
ocation of
dog
is right
the thro
in
at
plate, viz.
relation to the motion
~
0
The
-t
~\
~
**ff.liltD'>JiJJi1(0020) I Adjustment
of
the height
of
needle bar (Fig.20)
0020
Fig.20
-j---1::;.
~21
Fig.2l
0022
Fi
g.22
it!JflTVX71JLtf-Bt, ~ Jfl#ff
tt
ff
1:
~J
~fill
x.t
?1t
tt
tr
r
tk:
~
T -tl·ff
!i1-$<1
No
fJLftf;ll~ft(f.JiJW'PC0021.
Jt\l
. 1 graduated line
H
needle
0022)
I
needle bar is at the bottom dead centre,the mark
in
be
indicated
Adjudtment
>l};
11{
lin
1lt
B
I .
tlfT~Jtt-~rfll'iiii%J:ff.J~~~
2.
Jfl=f~i'JJJ:~
3.
%~~~~~fl~~~~fl.~11~~~ff.J~flo
4.ffi~l1-fll:ff.J~~~~~~-~.MBff.J,R.~U~~:k
JXZ~Ij'o
5.
-~~~t~nfn~~t~n
Adjustment
The
dimension
measur
3.7mm, suitable for sewing operation
The adjusting procedure is as follows:
1)
Take
Fig22)
2) Turn the balance wheel by hand.
3)
First loosen
marked screw.
4) Turn clockwise the adjustable screw on which punch mark is
printed, and the dimension
5) Tighten set screw and positioning sc rew.
ff.J
~
tft
o
When the needle
line with the lower end
in
Fig20.
of
-tl·
j'jiJ
!§
:iE
~n
r
''Pilr¥
A9
,R.
-t
tE
lil:kBt
of
of
ed,(
refer to
off
the rubber plug on the crank case
set screw a
of
the
needle
i;
b
iii
ff.J
~
ifnl
fi
PI
l~
1':1
o
forward
part B
of
Fig2l).The
J:ff.J~U~,
t-t
~
a9
r
~ffil
oo
(
~~~
TVX7 is used,
of
the needle bar bushing, lower, as
and
11
:
~ttwn
3 .
mn
7mm
, ~ #
0
& backward motion
the l
ooper
max. dimension
nd
positioning screw, a
of
part B will be increased
if
looper
:iEi;~i
!f1
~:Mi
(
0022)
in
an
of
needles
#ff1£r~.~ut,
oo
20
J1fr
:if\)
. ~
¥f
8,.t
the graduation on the
of
graduation shall
(Fig.21.
(
oo
21 )
A"J
fJL#
of
elliptic motion can
of
of all
of
the looper (refer to
Fig.22)
J1fr
:if\
ff.J
1-iB
fiMHJJ
the looper:
part
B is usually
kinds
nd
then
in
B R
-t
of
sizes.
adjust
value.
,
o
.
be
-8-
i-
J\
0023
Fig.23
~
~fi·;f:H~f
fJLfti'J{J
lf.l1~(0023)
I
The
timing of looper
m#~•~~~. ~#m~aJE.•~m~cm~•nm
fff5J~imJ~(.t.IIJ0023)o
The looper shall be moved backward to the lowest position
while the need le is at the bottom dead centre; loosen the screw on
the gear and make timing adjustment
needle (refer to Fig 23.)
in
reference
to
needle (Fig.23)
of
the looper in relation to the
i-JL.
1.
~tta~uqc~IJit-tJL-tta~~
-rM-~r~lffiooM1f
2,
~ti"~JE
3, tJLtt:fL
1)
needle is 2mm, then the graduation mark on the lower part
needle bar bushing, lower.(ref
2)
3)
(Note that the left Ioper and the ri
0024
Fig.24
~fi-I¥J~~If(0024)
0 (
1.m0024
:itHII:r.J3.
fo
~~·1L~;f§M5c
The
standard value
The
value
The
relation between the eye
5mmo
of
the vertical distance
er
of
the stroke moved backward by the l
2mm
I Thread-guiding amount
.C
.'1!l::i!:A>t.
~tl·~-qc~m~-:fLJ:!Jffilfi::~ie~~i'f£it:ll2mm,
)
~
.t.to
(0024)W!"Jft
to Fig.24)
of
the needle and the eye
ght
one can be sepatately adjusted.)
o
(ti::tl~tl-
of
the point
ooper
of
the looper (Fig.24)
l'lJ
l;HHJIJimJ~
of
the looper away from the upper
of
the needle bar shall be
is about 3
of
the looper is indicated Fig.24.
)
.5mm
.
JltA>t
-tl·f-T-r~
end
of
the eye
in
line with the lower end
IJ
~fo~-.t:f
of
the
of
the
§t~-•~mJE,
*~T,mt~-~~w~~U#~a~~~~••ffiam
After adjusting the needle guard, the clearance
unchanged; the needle shall not touch at the point
that usual. the side
against the looper point.
mu~~t~-~@00~-~~•,
of
of
the needle and the point
of
the looper are apt to incur breakage due
~m¥m&ffim#,m#~~@·~~uuqco~•~•
o
of
a given value between the needle and the looper shall be kept
the looper when
it
is pressed down softly.
-9-
If
the clearance is narrower
to
the impact
of the needle side
-
---t-
~, f*ft~B91iiJ~(0025)
I The timing
of
needle guard (Fig.25)
0025
Fig.25
=+=.
0026
Fig.26
f*ff·~l'f9{!L
it(0026)
/Position
i*tt~l'f.J[l'IJ~.
Ell
(0025)
r:p~-~~trmEA.~tt
!ftltl:fl~->f
ffi'iffiHJcJ:E.
The timing
the plane on the rock shaft
ewe
d into this rock shaft.
scr
of
needle guard(Fig.26)
•~•tt~m•.~-#~ailli~~~m~l'f.J#~&&M
2iH1!:tt~,
~
1,
u:n
CD~
11!1/E1*#~lt:Jm?9J1*fi
~~BJ~
J~Y!JO.l-0.2mm,
Oscillating the needle guard to make the needl
needle gauge s
It
is
recommended
within the area
be made by loosening screw
counter needle guard and the counter needle guard is as represented
in
Fig 26; the clearance from the needle falls within the range
to 0
.2mm.
Not
e t
when the machine is
of
the needle guard
of
the looper when no. I scr
~f.JJJJtfi!ZiffiJ~¥1
an
PI
Jn:
rrifn!Ti.
li
ghtly.
of
the left counter needle guard. The adjustment can
hat
the forced cl
in
J~.M
-
~Z.Iilll'f.J:}C~(:!m0026),P)f;if-,
~~:JJtJLi!i~IJot7f-~~Mff:9E1:HJLfi
that the height a
G) and
amp
motio
n.
dep
end s on the condition
&rnii5Ei*#~ffiEm,
e tip contact with
djustment
~.
The relat ion between left
of the needle shall be prohibit
ew
has been
mff'.{(0026
5JtJ
-
.
shall
not
of
of
)
L#
fall
0.1
ed
=-t-
:::::
.
J(E~fr~8~(0027)
I Looper thread take-up cam (Fig.27)
$;;
~
:J:T
~
8 ~
l'f.J
t'r:JI'J
tH~8~->JZWffiHtwmii->JZrrif~
trB*fi
ifnl~. ttm~!E
~-~~~-~~-~:
0027
Fig.27
tt~~~~
Its position can be seen as shown in Fig.27 when the needle
is at the top dead centre,the planes
ar
in p
ang
le
adjustment, finally tighten the scr
following; the nee
of
the looper when the bobbin thread rejecti ng from the projecting
of
part
*A.f
ij;~-#
allelism; the projecting part
of
18 to
20 degrees.
dle
tip shall entirely come into the thread l
the cam.
-10-
lll (
00
2
7)
lfr
jf-,
tHf
1£
-Ill
f.JJ
;!;i: ~ ,
7
tl'f.J:9EJHY!7
~w••·
t8°-
20°,
mff'.{t~
$;;~Mfi~8~1'f.J~-A~ill~,
B'-J
~J;:f\
9='
.
bar
of
the cam and the steel wire are
of
the cam can slightly rise at the
first l
oosen
screw
B,
and then
ew
fitrnly. Pay close attrntion to the
make
oop
- -tn_
~
n.
:hll-~1';.£r:~-m.~m-+•~-~-~;;'*{~
11C~'f
I
~~
IJPJ
1117--"'P'J
~w
c~mzs)
M...EI..
13:
I
The
1
of
the
position
thread
of
the
take-up
tbread-am?unt
lever (Fig.28)
adjusting
plate
0028
Fig.28
~
-t1i.
t=f:tliiJ
~~:#;J(f!l29)
I Frame thread eyelet (Fig.29)
tt-fft£/!fij;,.:.\01",
ttW~.~#~-W~M.
~*
·
~fft£&~~~.~~~-oo~~~~~m.
«Rm•&~amM.
The thread-amount
thread when the needle bar is the bottom dead centre; in such a way
the loop
thread is hooked.
the tight pulling
sting plate usually reduce s to the lowest point when
than normal is used.
ad-amount adjusting plate.
m:
fill
tt
1-tJf~#80-
1{.;-f~#30-#20
of
the needle thread is to become bigger when the needle
of
Note
that take-up thread tension lever
1ft
fal
~~¥!1EI'.J{
1'F:Y9
~lft(0029)
~#80-#50
~#30-#20
#
50
~o(002
8),1Jr~.
00~~~~*0
Jfl1j~~ff~itiAI'TH.!it§
a~
~re~•~~-~~-~4
adjusting plate will retain the bobbin
In
addition to the foregoing there is afunction
the needle thread loop. The t!U'ead-amount adju-
is
another name for thre-
l'
tJ'f-tl!**~'Jll;j~tf-:EW.ftt~~.
~~=t
J
al~~~~'Jlt2-3
1ft
i
hT'il'~~~Jlt3
1ft
l
ill.'i)<~iiJ~
rp
IBJ.'i)<
J.rlt
1-2
~iiJ~Jll2-
o
a thread fin
-
M:reBIJ.fft
-
4
3
at
of
er
0029
Fig.29
The improper-positioning
The following locations are generally regarded as criteria (refer to Fig29)
Cotton
Cotton thread#8Q-#
Thread
Thread
-
-t
0030
Fig.30
thread#
8Q---#5Q
of
chemical fibre #
of
chemical fibre #
,\,
t
l·:fit'f.J~~(f!l30)
5Q
of
the frame thread eyelet my be the cause
Graduation marked on the frame thread eyelet
Graduation marked on the frame thread eyelet 3-4
8080-
#50
#50
I Replacement
Graduation marked on the
Graduation marked on the frame thread eyelet 2-3
of
lft-tt-~~tJ
&~~.~lal~r:!lB!'~II'IJM!fiJ!~:
1.
tt-:'.IE
6,
Off
:iti
tt-fi m !Jt*
#~liill'f!
Stitich length
The sandard size
stipulated by the manufactory, is
The replacement of the fo
at the time when changing the gauge
of
throat plate (Fig.30)
La'.J
2.
tt.ffin~
fi
ft
Vf
t
~
Hot
,
r¥f-
occurrence
of
skipping stitch.
2-3
frame
thread eyelet 1-2
tUJi:±l
/:f>"FiftJ!i'.~:YiJl/
3.
# 4,
'_fll
:tJ
~tj-1:£
1:~ ~ f45'~:ili
of
l/
8
II
-1/2
!fi
V~H!MiHli
the throat plate
1/4", equivalent to 6.4mm. (Fig.30)
ll
owing components is ususlly needed
of
4" (6. 4mm)o (0030)
ili~Hf
II
tf-
in
double-row thread stitch.
s.
~i;IJ:fll#tr
fi
~
Ji!.~
Z
I*J
ljj):@}ij o
;fo
8 ~
iT£
o
parts book, which is
-11-
l.Needle clamp 2.Hinged foot 3.Throat plate 4.Feed dog 5.Rear moving needle guard
The left and right loopers within the range
In addition to
plate is on the increase.
=
+-t:;.
~T~•mm•M~~~I~~~.WR~~~-~:
(-)
~B~·®l~~a"J¥J1if:
1.
:iE
the
aforesaid, the replacement
~~fJLB9f*ff
~~at
,
itl1
wr
rJg
I Maintenance of the machine
a'-1
nil
f£~ ~.
of
the sizes
of
slide plate and
of
1/8" to 1/2" are inerchangeable .
cam
cover shall be
made
when
the
width
6.Curler
of
thread
2.:iE~at.
(= )
~Jffj-{j(;f.~§$11l:
1.
m~~•.m•.
2.
mm~~-.
3.
~~~mMm•at.
4.
itllrm~·%i~rnlftt~
5 •
!lH
The
folowing shall
(I)
Daily
checking
f.
The oil shall spray onto the oil
U. Repairman shall be
(2) Locations to be checked once a week:
1.
To take
II. To turn over the head to rid both the oil filter screen on the o
stain and dust.
lll. Loosen
IV.Oil level must be
-
~~~~m~~. ~~w~•m~~. *••~I*~•
8~~.
~~M•M•~~a"J~a&itlla~a"J~~.
R••~itlla~mitll•nm~Ritll.•A~af.J~mitll
(LOW)
IH~~
i~
.:(£
itl1
a
fttH~
~
be
abhered in order to keep the machine in good working condition.
sent
for when
off
throat plate. slide plate,and
drain hole screw and
above
the lowest oil-level-indicating line mark
m~~•~mM~~~~~~.
a'-1
J\U5t
•
sight
when the machine is running .
abnormal sound is beard during the operation
cam
cover; to clean dust
tak
e it off;drain all the dirty
.
.
of
the
machine.
of
the slotted feed
il
pump and the interior
oil
from the oil reservoir and reoil it.
ed
"Low"
dog
with a brush.
of
the oil reservoir
of oil
V. The black powder,adhering to the magnet in the oil reservoir
~
+A.
FF-5
I
t&~Jiif;Utff1/t§
-~1"1~
~
tl
I
Ommon
breakdowns
)]{
I,
-~Jm:ji~
2,
-~::k.m
3,
fJL.ftM~iWitlf·~
4,
•tl*:h::k5!11
5,
,j:JL.ft.
$7t1J.
6,
~if-*iJW'n~
~#.
JHjj
#fli.
and
ffil
t~#~M~
-12-
sha
ll
be
wiped with sponge cloth.
measures of
I.
2,
3,
4.
5,
6,
trouble
~Jfl
ifn]~-€J:@:af.J·~
1:!1!
11iif'~~tlt~-ffJ:
ffl
i!Wi'i
shooting
X1
mi:il:~i't'>J·~
JfJ
1if
itl1
!!X:
ilH
1:i'
~
ft
~:ltl:
iffiJ
Wi
I~~~~
-
PHII/t7't
i'if&
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