JUKI NA-11UT Series User manual

NA-11UT Series
INSTRUCTION MANUAL

CONTENTS
1. Brief introduction ..................................................................................... 1
2. Mainspecications .................................................................................. 1
3.
Installing the oil pan
................................................................................. 1
4. Installing the machine head .................................................................... 2
5. Installing the knee lifter assy .................................................................. 2
6. Adjusting the knee lifter ........................................................................... 3
7. Lubrication ................................................................................................ 3
8. Test operation ........................................................................................... 4
9. Installing the needle ................................................................................. 5
10. Removing the bobbin case .................................................................... 5
11. Windingthe bobbin thread .................................................................... 5
12. Threading the 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 the trailing length after thread trimming ............................. 9
19. Adjusting the thread tension spring ..................................................... 9
20. Adjusting the upper thread guide ....................................................... 10
21.
Adjusting the presser foot height
........................................................ 10
22. Adjusting the feed dog height ............................................................. 10
23. Adjusting the feed dog angle ...............................................................11
24. Adjusting the difference of stitch length between the forward and
back tacking ..........................................................................................11

25. Adjusting the tension release ..............................................................11
26. Adjusting the timing of needle 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 of presser feet ...................................... 14
31. Adjusting the trimming mechanism ................................................... 15
32. Clean ...................................................................................................... 18

I1.机器筒介 Briefintroduction ‑I
NA‑llUT 型直眼中厚料上下送料
自劫剪錢平縫机系単直針 ，采用逹杵式送料珪杵挑
錢机手勾．旋稜勾錢形成301
銭追
一本机采用油奈自劫洞滑．逗特経滑，嗅音低，振劫小，
特別造用干緯制皮革． 帆布．厚重装怖布，鋲帝英年物｀
如：
箱包 ，汽牢座塾絲蓬，沙笈等．
卑肺控制的剪錢、定針数、定針位功能，准礁可掌
Thismachjneis designedwith link typefeed
mechani$rn andlink lever thread take‑up
mechanismandfuU lubrication bypL.11p .It's
suitable forsewingleather,canvasandother
heav.yweigh't ma¥erials,suchassuitGase, car
seat. tent. sofa. etc.
It's re.liable andacGurateon・suchfunctiqns
a~
thread trimminQ, needleposffiijniho. etc.
[2主要技木如格Mainspecifications ‑I
型号NA‑iiUT
埴床斗
中厚料
最高結速
200.0針／分
最大針蹂
iamm
針杵行程
37‑tam
圧脚交互量
3.5‑,pSmm
采用机廿 DPx1723#
圧脚提 I手・控 8mm
升高度 I 膝拉
16mm
米用旋稜
自劫淘滑大旋悛
供油方式 一
全自劫 ，1共油ヽ(1又限旋稜部）
串机功率 750W
Applications Medium&heavV wei~ht materials
M~x-
sewing speed 2000s.P.m
Maxstitch lenath 8mm
Needle barstroke 37mm
Lifting amountof 35‑5.Smm
presserfeet
Neeijle DP:X17 23#‑
PresserfootlBy hand 8mm
lifting heightlBy knee 16mm
Hook Large lubrication hook
Lubrication Automaticlubrication /hook onlv)
Motorpower Servomotor
1TI
r3.安装油盆 (001 ln;talliQg theoil pan (Fig.1) j
1将机沃防震袂f),(西介）描遊油盆0前方的角内。
2. 将机決防震訣9(商介）描追油盆〇后方的角内。
3.水平地将油盆：O嵌在台板的桓孔内。
4将両介机売絞筵套〇放入台板的凹槽内。
1.lnsertthetwoheadcushion② into thefront
corners oftheoil pan①;
2.lnsert thetwoh,eadcushion③ into theback
cornersoftheall pan①;
3.PlaoE! the oil pan④ into thecutouts oftable;
4,lnsert thetworubl:>er cushion ⑤ into the
notches oftable. ‑1‑

2
 
-










「


。
O屯歹 

 
 
 


3
 
 
 。


