Reliable 4300CW User manual

INDUSTRIAL SEWING MACHINE

INSTRUCTION MANUAL

4300CW

CONTENTS

1 . B r i e f i n s t r u c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 . M a i n s p e c i f i c a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

3 . O p e r a t i o n p r e p a r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

4. In st al li ng th e kn ee li ft er me ch an is m. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .1

5 . L u b r i c a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

6 . I n s t a l l i n g t h e t h r e a d s t a n d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

7. In st al li ng th e be lt co ve r an d bo bb in wi nd er .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .3

8 . I n s t a l l i n g t h e n e e d l e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

9 . I n s t a l l i n g t h e b o b b i n c a s e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1 0 . W i n d i n g t h e b o b b i n t h r e a d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1 1 . P u t t h e b o b b i n i n t o b o b b i n c a s e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1 2 . T h r e a d i n g t h e n e e d l e t h r e a d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1 3 . A d j u s t i n g t h e s t i t c h l e n g t h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1 4 . T h r e a d t e n s i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1 5 . T h r e a d t a k e - u p s p r i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1 6 . A d j u s t i n g t h e p r e s s u r e o f p r e s s e r f o o t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1 7 . A d j u s t i n g t h e h e i g h t o f p r e s s e r f o o t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1 8 . A d j u s t i n g t h e h e i g h t o f f e e d d o g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1 9 . A d j u s t i n g t h e n e e d l e a n d h o o k . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2 0 . A d j u s t i n g t h e n e e d l e g u a r d p l a t e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2 1 . A d j u s t i n g t h e i n n e r h o o k g u i d e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2 2 . A d j u s t i n g t h e l e n g t h w a y s p o s i t i o n o f n e e d l e b a r f r a m e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2 3 . S a f e t y c l u t c h d e v i c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2 4 . R e l o a d i n g t h e t i m i n g b e l t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2 5 . T t r o u b l e a n d r e m e d y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0

1 . C a s t i n g c o m p o n e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 - 1 2

2 . U p p e r s h a f t a n d t h r e a d t a k e - u p l e v e r c o m p o n e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 - 1 4

3 . N e e d l e b a r a n d h o o k d r i v i n g s h a f t c o m p o n e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 - 1 6

4 . P r e s s e r f o o t c o m p o n e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 7 - 1 8

5 . U p p e r f e e d m e c h a n i s m c o m p o n e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 9 - 2 0

6 . L o w e r f e e d m e c h a n i s m c o m p o n e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 - 2 2

7 . T h r e a d t e n s i o n c o m p o n e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 - 2 4

8. Be lt co ve r an d bo bb in wi nd er co mp on en ts .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 25 -2 6

9 . K n e e l i f t e r c o m p o n e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 7 - 2 8

1 0 . A c c e s s o r i e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 9 - 3 0

Operation instruction

Parts list

3.Op erati on pre parat ion

1.Br ief int rodu ction 1.Ma in spec ific ation

T h i s c y l i n d e r b e d s e w i n g m a c h i n e a d o p t s s i n g l e

n e e d l e , s l i d e t y p e t h r e a d t a k e - u p l e v e r , a n d v e r t i c a l l a r g e

h o k . U p p e r a n d l o w e r s h a f t s a r e d r i v e n b y s y n c h r o n i z e d

t o o t h e d b e l t . C o m p o u n d f e e d b y f e e d d o g , n e e d l e a n d

wal kin g f oot ;an d h igh pr ess er foo t s tro ke a nd li f te r a s su r e

i t s h i g h s w e i n g h e a v y a b i l i t y a n d e a s y f o r s e w i n g m u l t i -

l a y e r l e a t h e r a n d u n e v e n m a t e r i a l s . S a f e t y c l u t c h d e v i c e

also assures sa fe operation .

I t s w i d e l y u s e d f o r s e w i n g l e a t h e r p r o d u c t s , s u i t c a s e s ,

s h o e s a d c a p s . E s p e c i a l l y , i t s c y l i n d e r b e d i s s u i t a b l e f o r

sewing various arc and cur ved mat erials. .

2000s.p.m

MSK-1341B

6m m

33 . 36mm

6. 5 mm by hand

15 m mby knee

Sl i de type

La r ge hook

Dp ×1 7 14"~24"(st a n dard23")

Oi l ed by hand

40 0 W(special fo r s ewing machin e 2 P)

Me d ium,heavy, e xtra heavy

we i ght material s

Befre first operate the machine,please clean the machine thoroughly in order to weed out the

dust and frlly lubricate the machine.

Please confirm if the power will be used is suitable fo r the desig ned volta ge.

The rotating direction of the machine is counter- clock wis e when obse rved face to the hand wh eel.

Before turn over the machine head,please take dow n the knee li fter chai n hook.

Before trial running,please take down the bobbin and needle.

Please control the sewing speed under 1800s.p.m w ithin the f irst operation month.

Only after the machine stops,then the hand wheel ca n be operat ed.

4.In stall ing th e knee li fter m echan ism( Fig.1 )

When us e the knee lifter pedal,please use the screw

to fi x t he knee lifter lever .

Knee li fter leaver and s cr ew are p ac ke d i n t he ac-

cess or y carton.





272mm

61mm

100.5mm

33.5mm

① ②

Max.sew ing speed

Max.sti tch length

Needle ba r stroke

Presser foot lift

height

Thread ta ke-up leve r

Hook

Needle

Lubrica tion

Motor Pow er

Abblica tion

To center of V-belt

5.Lu brica tion (Fig. 2)

1.Before running,please fill the oil at the places as

arrow shown.

2.Lubricating the hook and hook shaf t saddle.

Move the bed slide,fill the oil int the ho le A two or

three drops every day,fill the oil into the felt B four

or five drops.

3.Lubricating the feed dog support

Before running,please fill the oil i nto holes C,D,E

two or three drops.

6.Installing the thread stand(Fig.3)

C

E

B

A

The th re ad stand should be located on the right backside

of the t ab le,then tighten the nut C.

C

7.Installing the belt cover and bobbin winder(fig.4、5)

1.Install the belt cover support column into the screw

hole;

2.Install the belt cover support plate on the machine

casting;

3.Install the belt cover on the belt cover support

column and the belt cover support plate;

4.Install the bobbin winder into the cover and

adjust it to the proper position;

5.Fix the bobbin winder on the table;

6.Install the V-belt on the hand wheel,the n install the

belt cover and belt cover .

①

②

③

①

⑥ ③

⑥

④ ⑤

1.T urn off the pow er;

2.T urn the han d whe el to lif t the nee dle bar to its

hig hes t pos iti on;

3.l oos en the nee dle set scr ew ,an d mak e the nee dle

gro ove Ato the rig ht sid e;

4.I nse rt the nee dle sha nk unt il to the bot tom of the

nee dle bar soc ket ;

5.T igh ten the scr ew .

②

①

②

8.In stall ing th e needl e(fi g .6)

①

②

A

①

②

③

④

⑤

⑥

B

A

9.In stall ing th e bobbi n case (Fig. 7)

1.Op en t he hook cover,put the bobbin and bobbin

Case i nt o the hook;

2.pu t th e bobbin case on the hook driving shaft,then

lay do wn the hook cover.

10.W indin g the bo bbin th read (Fig. 8)

1.T hre ad as fol low ing ord er A,B ,C, the n win d the thr ead

aro und bob bin sev era l cir cle s;

2.P res s dow n the bob bin pre ss pla te ,th e win din g

pul ley wil l be tou che d wit h the V-b elt ;

3.w ind ng amo unt can be adj ust ed by the scr ew ,th e

opt imu m cap aci ty of bob bin thr ead is fil l abo ut 80%

of bob bin out sid e dia met er. Tur n the scr ew clo ckw ise

to inc rea se the win din g amo unt ,co ntr ary ,to dec rea se

the amo unt ;

4.I f the thr ead is not nea t,p lea se mov e the bra cke t

to adj ust is;

5.W hen the win din g is ove r, the bob bin pre ss pla te

wil l be loo se and the bob bin win der wil l sto p aut oma -

tic all y.

①

②

③

①

11.P ut the bo bbin i nto bob bin ca se(fi g.9)

1.Dr aw the tip of bobbin thread to the right ,then put the

bobb in into bobbin case;

2.Dr aw the bobbin thread through the slit on th e

bobb in case,then pass through the thread tension

spri ng ,finally,draw the thread out of the slit .

Remi nd er:if the bobbin is put correctly,then draw the

bobb in thread as A,the bobbin will rotates as B.

①

②

A

B

C

①

②

③

①

②

B

A

12.T hread ing th e needl e thre ad(fi g.10 )

P o s i t i o n t h e n e e d l e b a r o n i t s h i g h e s t , d r a w t h e t h r e a d

f r o m t h e t h r e a d s t a n d a n d t h r e a d a s s h o w n o r d e r

a c c o r d i n g t o F i g . 1 0 .

13.A djust ing th e stitc h leng th(Fi g.11 )

Turn th e stitch dial counter-clockwise or clockwise to

adju st the stitch length. The figure on the dial is the

stit ch length.(mm)

Reve rs e feed stitching

1.Pr es s the feed leaverdownward;

2.Wh en press the feed lever down wa rd , t he fe ed in g i s

reve rs e;

3.Re le ase the feed lever, the machine recovers normal

feed in g again.

②

14.T hread t ensi on(Fi g.12 )

1. Ad ju st in g th e te ns io n of ne ed le th re ad

Tu rn th e te ns io n ad ju st me nt nu t cl oc kw is e( A

di re ct io n) to in cr ea se th e te ns io n of ne ed le th re ad ;t ur n

th e nu t co un te r- cl oc kw is e( B di re ct io n) to de cr ea se th e

te ns io n.

2. Ad ju st in g th e te ns io n of bo bb in th re ad

Tu rn th e te ns io n ad ju st me nt nu t co lc kw is e( C di re c-

ti on )t o in cr ea se th e te ns io n of bo bb in th re ad ; tu rn th e

nu t co un te r- cl oc kw is e( D di re ct io n) to de cr ea se th e

te ns io n.

①

②

①

②

③

④

⑤

⑥

⑦

⑧

⑨

⑩

6

5

0

4

3

2

1

①

②

B

A

①

②

D

C

15.T hread t ake- up spri ng(f ig.13 )

1. Ad ju st in g th e th re ad ta ke -u p sp ri ng st ro ke

a. Lo os en th e sc re w ,a nd mo ve th e di sc le ft wa rd

or ri gh tw ar d;

b. Mo ve th e di sc ri gh tw ar d to in cr ea se th e sp ri ng

st ro ke ,c on tr ar y, to de cr ea se th e sp ri ng st ro ke .

2. Ad ju st in g th e te ns io n of th re ad ta ke -u p sp ri ng

Ti gh te n th e nu t ,t ur n th e sp ri ng sh af t co un te r-

co lc kw is e to in cr ea se th e te ns io n, co tr ar y, to de cr ea se

th e te ns io n. Pl ea se us e a sc re wd ri ve r to ro ta te th e sp ro ng

sh af t to ge t th e re qu ir ed te ns io n.

①

② ③

④

⑤

16.A djust ing th e press ure of p resse r foot (Fig. 14)

Adj ust the pre sse r foo t pre ssu re acc ord ing to the mat er-

ial s.( the sta nda rd hei ght of pre ssu re adj ust men t scr ew

is 25m m).

1.T urn the scr ew clo ckw ise (A dir ect ion )to inc rea se

the pre ssu re, con tra ry, tur n the scr ew cou nte r-

clo ckw ise (B dir ect ion )to dec rea se the pre ssu re,

2.A fte r the pro per pre ssu re is got ,ti ght en the nut .

①

②

17.A djust ing th e heigh t of pre sser fo ot(f ig.15 )

1.The optimum fixed position of presser foot is to adjust

The presser foot to the “1/8”indication line on

The feed crank.

Loosen the nut and adjust the cam link assembl ing

position.

a.At he highest position A, the max .Presser foot

Vertical stroke is got;

b.At the lowe st position B, the mi n. Pr esser foot

vertical stroke is got.

2.Usually, the srtoke of outer presser foot is same as that of

the inner presser foot.

A.Loosen the screw ;

b.When the thread take-up lever is at its highest

position,lay down the presser bar lever;

c.Adjust the feed crank to leftwa rd(A directon)

to increase the presser foot stroke.contrary,adjust

the feed crank to rightwa rd (b direction) to

decrease the presser foot stroke.

①

②

③

①

②

③

④

⑤

Standard

25mm

B

A

①

②

①

B

AAA

②

③

B

A

18.A djust ing th e heigh t of fee d dog(F ig.1 6)

The s ta ndard position of feed dog is 1mm higher than the

surf ac e of throat plate .

Plea se adjust it as folowing order according to sewing

requ ir ement or after change a new feed dog:

1.Pl ea se confirm the highest position of feed dog;

2.lo os en the screw ;

3.Th e h eight can be adjustd by turning eccentric pin(P22).

4.Af te r the requred height is got, tighten the screw .

①

②

③

19.A djust ing th e needl e and ho ok(Fi g.17 )

1.Adjust the stitch dial to figure“3”

2.Turn the hand wheel to lower the needle bar to its

lowest position, and loosen the scrwe ;

3.confirm the standard height of needle bar:Lift the

needle bar up to 2.4mm from its lowest position, there

should be1.7mm clearance hetween upside of needle

hole and the tip of hook blade ;the lowest position

of needle bar is that there is a clearance of 55.2mm

from the bottom of needle bar rocking frame to the

bottom of needle bar.

4.Loosen the screw ,move the gear cover , and

loosen the screw and screw ;

5.Loosen the screw ,move the hook shaft saddle left-

ward or rightward,assure the clearance between the

tip of hook blade and needle is 0~0.5mm, after

finish, tighten the screw;

6.Make the tip of hook blade align with the center of

needle bar,then tighten the screw ;

7.Turn the hand wheel clockwise, tighten the screws

alternately.

①

⑥

③ ②

④ ⑧

⑤

⑦

④

⑧

1 mm

①

②

③

②

③

④ ⑧⑧

①

55.2mm

④

⑤

0~0.05mm

⑥

⑦

1.7mm

2.4mm

0~0.05mm

20.A djust ing th e needl e guar d plate (Fig .18)

Afte r c hanging hook , please confirm the position of

need le guard plate. The standard position of needle guard

plat e i s that needle guard plate is to uc he d w it h t he

flan k s ide of needle slightly, i f n ot ,b en d t he pl ate and

adju st the position:

1.If th e needle guard plate bends inward, please a djust

the p la te outward with a screwdriver;

2.If th e needle guard plate bends outward,please adjust

the p la te inward with a screwdriver;

②

①

0~0.05mm

①

②

21.A djust ing th e inner h ook gu ide(F ig.1 9)

1.Tu rn the hand wheel to make the inner hook guide

reac h i ts final position;

2.Tu rn the bobbin case as the direction shown by arrow

Bunt il to the slit of throat plate ;

3.Lo os en the screw , the move the adjusting plate

of in ne r hook guide as arrow shown direction,assure

the c le arance between the inner hook guide and the

bobb in case flange is about 0.1~0.15mm.

①

④

⑤ ⑥

0.1~0.15mm

①

②

③

④

⑤

⑥

A

BB

B

22.A djust ing th e lengt hway s posit ion of n eedle b ar fra me(Fi g.20)

1.Adjusting the relationship between the inner presser

foot bar and pressing bar:

a.Adjust the stitch dial to min.figure;

b.Loosen the screw , adjust the distance between

theinner presser foot bar and pressing bar to

7.5mm.

Note:Dont make any clearance at axis direction of

needle bar frame.

2.Adjusting the relationship between the feed dog and

needle bar:

a.Adjust the stitch dial to min.figure;

b.Loosen the screw ;

c.Adjust the position of feed dog to make the needle

ali gn with the center of needle hole on the throat

plate(towards to the operator slightly).

①

③

①

②

7.5mm

23.S afet cl utch d evice (F.2 1)

If th e h ook blocks the thread when running ,the safety

clut ch device will work, which make the lower timing

pull ey rotate without load.

1.Re st ore as following order:

a.cl ea n the thread blocked in the hook;

b.Pr es s the button and turn the hand wh ee l a t r ev er se

dire ction.

2.Ad ju sting the force of safety clutch:

Turn th e screw clockwise(A directi on ) t o i nc re as e

the f or ce, contary, turn the screw counter-clockwise(B

dire ct ion)to decrease the force.

①

②

24.R eload ing th e timin g belt (Fig. 22)

1.Un lo ading the timing belt:

a.Lo os en the screw , , , , ;

b.Ta ke the hand wheel and bushing down;

c.Pu ll the feed lever , outward to make the timing

belt have enough space to pass through;

d.Ta ke down the belt and take it out from the bush lole of

uppe r shaft.

2.Re lo ading the timing belt;

a.Th e l oading order of timing belt is the reverse order

of un lo ading;

b.Ad ju sting the timing relationship between upper

shaf t and lower shaft;

Turn th e hand wheel to lift the thread take-up lever to

its h ig hest position, turn the lower shaft to make the first

scre w o n the collar align with the mark on the

rear bu shing of lower shaft,under this condition, install

the b el t on the lower timing pulley .

① ② ③ ④ ⑤

⑥ ⑦

⑨

⑧

⑩

①

②

B

A

③

④

⑤

⑥

⑦

⑧

⑨

⑩

①

②

25.T roubl e shoo ting

1.Th re ad breakage

(thr ea d wear and

tear )

2.Sk ip s titch

3.Lo os e stitch

Troubl e

Causes

Soluti on

① Thre ad in g co ur se ,needle tip, hook blade

tip or t hr ea d pa ss ing groove on the throat

plat e is r ou gh .

② Too la rg e ne ed le t hread tension.

③ Too bi g cl ea ra nc e of inner hook guide.

④ coll is io n be tw ee n needle and hook guide

tip.

⑤ Too sm al l ne ed le t hread tension.

⑥ TOOl ar ge o r to o sm all stroke thread take

-up sp ri ng t en si on

⑦ Not ti mi ng b et we en needle and hook.

① Too big clearance bet ween needle and

the tip of inner hook bla de.

② Not timing between ne edle and hook.

③ Too small pressure on t he outer presser

foot.

④ the height of needle ba r is not enough.

⑤ No effect of needle gua rd plate.

⑥ Wrong needle size.

⑦ Wrong needle thread ing.

⑧ Rotary hook is scrape d.

① The thread passing parts are not smooth.

② the bobbin cannot rotate smoothly.

③ Too big clearance of inner hook guide.

④ Too weak tension of bobbin thread.

⑤ too tighten when winding bobbin thread.

⑥ bobbing thread doesn't pass the thread

tension spring on the bobbin case

Get ri d of t he burr on the hook blade tip

and po li sh the thread passing groove on

the th ro at plate with fine emery cloth.

Adju st t he needle thread to proper tension.

Decr ea se the clearance,refer to21.

Adju st ing the inner hook guide.

Rdfe r to 1 9. Adjusting the needle and

hook .

Adju st t he needle thread to proper tension.

Decr ea se the tension of thread take-up

Spri ng a nd increase the spring stroke.

Refe r to 1 9. Adjusting the needle and hool.

Refe r to 19.Adjusting the needle and hook.

Tigh ten the pressure screw.

Refe r to 19.Adjusting the needle and hook.

Refe r to 20.Adjusting the needle guard

plat e.

Chan ge a proper needle.

Refe r to 12.Threading the needle thread.

Get ri d of the burr on the hook guide tip

with f ine emery cloth.

Polish them with fine emery cloth.

Reset the bobbin and rotary hook.

Refer to 21. Adjusting the inner hook

guide.

Adjust the bobbin thread tension properly.

Decrease the tension when winding.

Threading the bobbin thread correctly.

1.C asting co mponent s

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

25

33

46

47

48

1.C asting co mponent s

Ref.NO.

Parts No.

Name of parts

Qty.

Remarks

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

50WF2-004

16WF1-059

50WF2-005

13WF2-008

50WF2-008

50WF2-009

1WF-038

50WF2-010

16WF2-012

7WF5-017

50WF2-013

50WF2-012

50WF2-011

50WF2-019

50WF2-020

7WF4-004

50WF2-014

16WF2-015

50WF2-021

19WF4-002

50WF2-022

1WF1-026

16WF2-015

50WF2-015

50WF2-016

50WF2-023

106WF2-001

50WF2-024

50WF2-027

106WF2-002

50WF2-028

50WF2-029

50WF2-031

50WF2-032

50WF2-030

50WF2-025

50WF2-026

50WF2-003

50WF3-090

50WF3-091

50WF1-055

50WF2-006

50WF2-007

1WF1-016

22WF5-027

Face plate

Screw

Gear cover

Screw

Rubber plug

Thread take-up lever cover

Screw

Connecting hook

Thread guide(middle)

Screw

Side plate

Wing bolt

Screw

Oil pan

Felt

Oil aick

Screw

Thread guide(upper)

Screw

Take-up oil splasher

Screw

Take-up spring adjusting plate

Screw

Throat guide(lower)

Felt

Throat pate base

Throat plate base

Screw

Throat plate

Screw

Left side plate

Screw

Bed slide

Right side plate

Lower shaft front cover

Screw

Machine base

Rubber plug

Oil tube

hinge

Throat plate base

Screw

Cylinder bed cover(lower)

Left screw

Right screw

1

2

1

2

8

1

2

1

4

1

2

1

2

1

2

1

2

1

2

1

4

1

3

1

2

1

4

1

SM9/ 64” ×40

SM9/ 64 ”×40

GB70 -8 5 M 8 ×20

SM11 /6 4”×40

SM9/ 64 ”×40

SM11 /6 4”×40

SM9/ 64 ”×40

SM11 /6 4”×40

#1

#1SM 11 /6 4”×40

SM9/ 64 ”×40

SM11 /6 4”×40

For3 41

For3 41 N

SM15 /6 4”×28

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

27

28

30

50

51

52

53

54

56

57

58

59

50

40

55

60

61

62

63

38

2.U pper shaf t and threa d take-up leaver comp onents

2.U pper shaf t and threa d take-up lever compo nents

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

Plug

take-up lever pin

Oil wick

Screw

Oil wick

Screw

Thread take-up leaver

Feed cam

Screw

Oil wick

Take-up lever sliding block

Oil wick

Hinge screw

Needle bar crank rod

Upper shaft

Oil wick

Plug

Oil wick

Crank pin

Needle bar crank

Screw

Upper shaft bush(front)

Screw

Oil felt

Upper shaft bush(middle)

Screw

Oil felt

Upper shaft bush(upper)

Set screw

Screw

Upper shaft bearing bush

Screw

Upper shaft bush(rear)

Bearing

Reataining collar

Hand wheel

Screw

Timing belt

Spring pin

Timing pulley(lower)

Spring ring

Screw

Safety clutch push button

Push button cylinder

Safety clutch disc

Safety base

Spring

Safety clutch spring

Safety clutch hook

Safety clutch counter-hook

Counter-hook spring

Safety clutch link

Safety clutch link pin

SM15 /6 4”×2 8

16WF-010

50WF1-022

50WF1-004

50WF1-005

50WF3-043

18227

50WF1-006

50WF1-062

50WF1-057

50WF1-015

50WF1-014

50WF1-008

50WF1-011

50WF1-009

50WF1-013

50WF1-012

50WF1-010

50WF1-016

50WF1-019

50WF1-017

50WF1-018

18227

50WF3-034

50WF1-062

50WF1-024

50WF1-025

50WF1-013

50WF1-019

50WF1-035

50WF1-021

50WF1-022

50WF1-020

50WF1-023

50WF1-028

50WF1-019

50WF1-029

50WF1-027

50WF1-032

16WF1-043

21WF6-007

50WF1-030

50WF1-051

50WF1-053

50WF1-052

50WF1-034

16WF3-046

22WF1-013

22WF1-018

22WF1-016

22WF1-014

22WF1-017

2

1

2

1

2

1

2

1

2

1

2

1

2

1

2

1

SM15 /6 4”×2 8

SM1/ 4”×4 0

SM15 /6 4”×2 8

SM9/ 32” ×28

SM1/ 4”×4 0

GB89 4. 2- 86 2 6

15×3 5 11(2 02)×

SM15 /6 4”×2 8

GB87 9- 86 2×1 0

SM9/ 64” ×40

SM5/ 16” ×24

Ref.NO.

Parts No.

Name of parts

Qty.

Remarks

1

2

3

4

5

6

7

8

9

10.11.12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43.44.45.46.47

48

49

37

38

50

52

53

54

55

56

57

58

59

60

61

62

63

51

57

3.N eedle bar a nd hook dri ving shaft componen ts

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

Needle bar rocking frame assembly

Needle bar rocking frame shaft

Needle bar slide blockPin

Needle bar rocking frame

Felt

Retainer

Rocking shaft bush(front)

Rocking shaft bush(rear)

Washer

Screw

Rocking shaft crank

connecting rod

Hinger screw

Nut

Feed shaft crank

Screw

Needle bar

Needle bar connection

Felt

Screw

Needle

Screw

Needle bar thread guide

Bobbin

Rotary hook

Inner hook guide

Slide block

Slide block pin

]Screw

Screw

Adjusting plate

Screw

Washer

Hook shaft saddle assembly

Hook shaft saddle

Hook shaft bush(upper)

Hook shaft bush(lower)

Washer

Hook shaft gear

Lower shaft

Feed cam

Screw

Lower shaft bevel gear

Lower shaft bush(front)

Oil felt

Lower shaft bush(rear)

Screw

Felt

Lower shaft collar

Screw

Oil wick

Felt

GB11 7- 86 A 5×28

50WF3-001

50WF3-002

50WF3-003

50WF3-004

50WF3-005

50WF3-006

50WF3-007

50WF3-008

50WF3-010

50WF3-009

50WF3-011

50WF3-012

50WF3-013

50WF3-014

34T5-540

36T5-008E5

50WF1-001

50WF1-003

22-WF3-014

22T2-017

50WF1-002

33T1-027

50WF1-047

50WF1-048

50WF1-046

16WF2-017

50WF1-049

50WF1-050

106WF1-001

50WF5-045

50WF1-044

50WF1-043

50WF1-031

50WF3-016

50WF3-017

50WF1-040

50WF1-036

50WF1-037

50WF1-038

50WF1-022

50WF1-041

50WF1-039

50WF1-042

17027

1

2

1

2

1

2

1

3

1

2

1

T=1. 5

T=1. 35 # 1

T=1. 65 # 1

T=1. 65

SM15 /6 4”×2 8

SM11 /6 4”×4 0

SM9/ 64” ×40

DP×17

SM1/ 8”×4 0

SKRT 34 1- NR

GB95 -8 5 5

GB70 -8 5 M5×1 2

SM9/ 64” ×40

For3 41

For3 41 N

T=1. 88 # 1

T=1. 92 # 1

T=1. 96 # 1

T=2. 00 # 1

T=2. 04 # 1

SM15 /6 4”×2 8

SM1/ 4”×4 0

SM15 /6 4”×2 8

SM11 /6 4”×4 0

Ref.NO.

Parts No.

Name of parts

Qty.

Remarks

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

4.P resser fo ot compon ents

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

Presser bar

Presser bar lower bush

Screw

Outer presser foot assembly

connecting pin roller

Presser bar bracket guide

Guide plate base

Pressure adjustment screw

Nut

Presser spring

Hand lifter

Hand lifter pin

Hinge screw

Screw

Presser lifting lever base

Screw

Spring

Thread release guide assembly

Presser bar lifting lever

Hinge screw

Screw

SM15 /6 4”×28

22WF3-005

50WF4-001

50WF1-022

22WF3-014

50WF4-002

50WF4-011

50WF4-017

50WF4-015

1KT4-001

1KT4-002

50WF4-006

50WF4-007

50WF4-008

50WF4-014

16034

50WF4-009

50WF4-010

50WF4-013

50WF4-012

50WF4-018

50WF4-019

22WF2-017

50WF4-016

1

3

1

SM9/ 64 ”×28

SM11 /6 4”×40

SM15 /6 4”×28

SM3/ 16 ”×32

Ref.NO.

Parts No.

Name of parts

Qty.

Remarks

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Reliable 4300CW User manual

Reliable 4300CW User manual

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