background image

16调节线的张力(图14) Adjusting  the  thread  tension  (Fig.'14) 

正常线迹

Normal stitch

亨-

面线`

--

Needle thread 

-l 

底线`

Bobbin thread 

鸯当面线张力太弱时出戏的线迹

•  Stitch seam when needle 

thread tension is too weak 

鲁培大面砓泾为馨increase the needle thread tension 

l

参减岊底线;;.,,.dec

easethe bobbin thread tensIOn

馨当面线张力太强时出戏的线迹

砂减恁面线怅刃.decrease the needle thread tension 

•Stitch seam when needle

thread tensIon Is too strong 

1+ 1

癖馆大底线沁力.Increasethe bobbmthread tensIon  I

<底线张力>通过转动梭皮绿钉0毋节底线的张力,一脏为捏住线

头吊起梭心套 苍芯套茬恀缓慢地自由落下就可使用了

<面张张力习芍底线张力调节完后,再详节面线张力更好,会出现I

正常的线迹m

se

Increase 

decrease 

1放下丘盟2,调节夹线器鳎丑@.

<Bobbin thread tension> 

Adjust by turning the screw CD until the  bobbin case i 

d「ops gently by its own welght while the thread  end 

coming out of the bobbin  case is held. 

<Needle thread tension> 

After adjust the bobbin th「ead tension,  adjust the 

needle thread tension so that a good, even stitch 

seam is obtained. 

1.Lower the presser foot;

2.Adjust by turning the thread tension nut®·

17调节压脚压力(图15)Adjustingthepresserfoot

pressure(Fig.15) 

寸调节庄脚的压力" 1旋松调压婬钉锁紧婬母Os

2.转动调压蟋钉0冞调节压脚压力`在压力不芼

的情况下,可以转动螺钉0来增加压力-

*在保证缝科不打滑的情况下,压图的压力尽可

能的弱一些亡

3拧紧调压嫘钉锁紧蛭母0,

<调节送料压员的压加1旋松锁紧蛭母O

2转动调节螺钉O来调节送料压胞的压力,甩琵纣针

转动调节蛭钉O来垢大庄力,逆时针转动则窝小

庄力。

3拧紧锁紧蟋母0c

<Adjusting  the presser foot pressure> 

1.Loosen the  lock nut CD;

2.Turn  the adjusting screw® to adjust the

pressure of presser foot,  if it's not enough,

please turn  the screw® to  increase the

pressure. 

*The pressure should  be as week as  possible, 

but strong  enough so that the material doesn't

slip. 

3. Tighten the  nut CD.

<Adjusting the walking foot p

esser>

1.Loosen  the nut@; 

2.Turn  the screw®  clockwise to increase the

pressure,  on  the contrary,  turn the screw 

counterclockwise to decrease the  pressure;

3. Tighten the nut@)幽

-8-

Содержание NA-11UT Series

Страница 1: ...NA 11UT Series INSTRUCTION MANUAL...

Страница 2: ...bobbin thread 6 13 Threading the needle thread 6 14 Adjusting the stitch length 7 15 Sewing and backtacking 7 16 Adjusting the thread tension 8 17 Adjusting the presser foot pressure 8 18 Adjusting t...

Страница 3: ...and feed mechanism 12 27 Adjusting the rotary hook lubrication amount 12 28 Adjusting the height of needle bar and the timing with hook 13 29 Adjusting the oil pump 13 30 Adjusting the lifting amount...

Страница 4: ...h e a v V wei ht m a t e r i a l s M x sewing s p e e d2 0 0 0s P m M a x s t i t c hl e n a t h 8mm N e e d l eb a r s t r o k e 37mm L i f t i n g a m o u n t o f 3 5 5 S m m p r e s s e r f e e t...

Страница 5: ...table and the place the machine head onto the head cushions which are on the top of the oil pan corne s 4 O 4 Tap the rest bar into the table hole O 3 NOTE Tap the rest bar securely into the table ho...

Страница 6: ...t h ek n e el i f t e r p l a t e i s f u l l y p e s s e d 8 A f t e r a d j u s t m e n t t i g h t e n t h en u t I 7 5 L u b r i c a t i o n F i g 5 I 1 A B l B l 2 1 8 A l 3 1 C l 2 C 1 0 i la m...

Страница 7: ...of the arm and face plate fully lubricate the pa ts showed by the ar ows Install the face plate again lift the presser foot and operate the machine at a lower speed of 1000 1500spm and observe the oi...

Страница 8: ...s e o u t o f t h eh o o k 1 1 1 W i n d i n g t h e b o b b i n t h r e a d F i g 9 I 1 2 3 4 0o 5 6 7 80 1 T u r n t h e p o w e r o n 2 P l a c e t h e b o b b i n o n t o t h e b o b b i n w i n d...

Страница 9: ...pring plate and finally pull it out of the notch 4 Check that the bobbin should turn clockwise if the thread is pulled I I 5 Hold the latch and place the bobbin case in 13 11 Threading the needle thre...

Страница 10: ...e longer the stitch length will be When turn the dial from a larger setting to a smalle setting it will be easy to turn ifthe reverse lever is pressed down 2 1 0 13 15 13 Sewing and backtacking Fig 13...

Страница 11: ...fter adjust the bobbin th ead tension adjust the needle thread tension so that a good even stitch seam is obtained 1 Lower the presser foot 2 Adjust by turning the thread tension nut 17 15 Adjustingth...

Страница 12: ...n s p r i n g i s5 Bmmabovetheuppers u r f a c eof thet h r e a dguide whenthep r e s s e rf o o t i s l o w e r e d 1 Lowert h ep r e s s e rf o o t 2 Loosenthescrew 3 T u r nthet h r e a dt e n s i...

Страница 13: ...To decrease the thread take up tension 21 19 2i Adjusting the pres er foot hei9ht Fig 19 O 8mm 1 O 2 8mm 3 0 4 o The standard height of presser foot is 8mm when it is lifted by hand 1 Loosen the scre...

Страница 14: ...a gain after this adjustment 9 m Lowe the front A Fig A St ard k B Fig B Raise the front 24 22 24 Adjusting the difference of stitch length between the forward and backtacking Fig 22 1 2 0 0 3 0 1 Re...

Страница 15: ...ence mark make the third screw of eccentric wheel UD slightly lower than the reference mark screw 3 Continue to turn the machine pulley set the second screw of eccentric wheel UD as reference mark mak...

Страница 16: ...needle bar is aligned with the bottom edge of the needle bar bush the tip of the hook should be aimed at the center of needle 1 Turn the machine pulley to raise the needle bar CD from its lowest posi...

Страница 17: ...ing amount of two feet to match the materials to be sewn Loosen the screw and move the screw upward to increase the lifting amount or move the screw downward to decrease the lifting amount 3 C 3mm O 3...

Страница 18: ...e and movable knife Fig 30 1 Theclea ance between fixed knife CD and movable knife should be 0 3mm 2 Adjust the position illustrated by the Fig 35 3 Move the bobbin case opener and adjust the holde of...

Страница 19: ...1 mm c When the solenoid is active there should be a 0 5mm clearance between the cam lever L and cam lever R If need to adjust please move the solenoid base shown by the arrow 5 33 1 2 1 3 2 0 5 1 0m...

Страница 20: ...nter is 5mm 2 Set th soienoid activo tho mov blo knife G will turn rightward driven by the trimming c m When the movable knife D mov s to jt Jeft furthest position the clearance between two knives CD...

Страница 21: ...screw D and einstall the needle plate 6 7 8 0 9 10 11 12 A 6 Turn the machine pulley and lift the needle above the needle plate check if the needle tip is blunt if yes change a new one 7 Tilt back the...

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