background image

6

| 8试车(图6)Test operation(Fig6)| 

新机器在开始使用和长期搁置重新使用时, 先

卸下机头上部的橡皮塞(A)和面板, 桉图示的但
置充分加油, 然后装上面板

抬起压脚进行低速运

转I (){)()- 15()()针/分, 并观察油窃{Cl的喷油憤

况, 润滑正常后, 仍须保持低速30分钟的运砖试

验, 以后逐步提高缝纫速度;经过

个月芢右的丐

用, 使机器充分跑合。然后根据工作的性质亘毛亭

定缝速。

Car「y out the test ope「ation when start up a new 

sewing machine fo

the fi

st time, or restart after 

a long pe

iod of non-use. 

Remove the rubber cap (A) on the top 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 oil「unning

through the oil gauge window. 

After one month, then the speed can be 

increased acco

ding to the different sewing 

operation. 

请在圈6的A部和箭头部位每天

次左右, 定期进行加油.

Please refuel the parts A and arrows in  Fig. 6 

on a daily basis. 

-4-

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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