5
．
Adjustments
調節裝置
33
5.7
前針檔
5.7
Needle guard (front)
當針在左針中間時，推前針檔
○
1
，使針和下勾針的
間隙為
0mm
。放鬆螺絲
○
2
去調整它。
當下勾針左移到右時，檢查下勾針
○
3
有無碰到針的
後面，看針有無左右移動。
(Fig.56,57)
Push the needle guard(front)
○
1
so that the clearance
between the needle and the looper is 0 ㎜ when the
looper tip comes at the center of the left needle.
Loosen the screw
○
2
to adjust it. Fig.56
Check the looper tip touches the back of the needle
and the does not swing to the right when the looper
○
3
moves from the left to the right while rotating the
handwheel.
(Fig.56,57)
Fig.57
5.8
後針檔
5.8
Needle guard(rear)
當後針檔
○
4
和針最靠近的時候，要有
0.05-0.1mm
的間隙。由螺絲
○
5
去調整。
(Fig.58)
當下勾針從左移到右時，後針檔不能碰到針。
Make the standard clearance between the needle
guard (rear)
○
4
and the left needle to 0.05-0.1 ㎜
when they meet most closely. Open the looper cover
and loosen the screw
○
5
to adjust it.
(Fig.58)
Check the needle does not swing to the right while
rotating the handwheel. Fig.58
