5
．
Adjustments
調節裝置
31
注意：
在調整機器之前，一定要先把電源關掉，並確定馬
達完全停止。
WARNING
Before adjusting, always turn the motor switch
OFF and check that the motor has already stopped.
Fig.52
5.6
下勾針
5.6
Looper
高度：
裝下勾針
○
1
到下勾針座上
○
6
然後鎖緊螺
○
2
。
Height :
Insert the looper
○
1
into the hole of the looper holder
○
6
and tighten the screw
○
2
securely.
角度：
下勾針固定座平面
A
要和下勾針柱成
90
度。
放鬆螺絲
○
2
去調整下勾針。
Angle : Fig.53
Fix the surface A of the looper at 90° to the looper
rocker shaft. Loosen the screw
○
2
to adjust it.
下勾針和針的距離：
當下勾針在最左邊的時候，下勾針和針的標準距離為
4.2-4.8mm
。
可放鬆螺絲
○
4
去調整。
Distance between looper and needle :
Make standard distance between the looper tip and the center of the left needle to 4.2-4.8 ㎜ when
the looper
○
1
is at the extreme left.
Loosen the screw
○
4
to adjust it.
