Adjust The Chainstitch Looper Movement Amount - Siruba 700LX Original Instruction Book

5. 針與檔針片之關係
(1) 當下勾針由左向右至針中心時 ( 雙針以左針
為主 ) 針與後檔針片之間隙為 0~0.05mm。
(2) 當針在下死點時針與前檔針片之間隙為
0.1~0.2mm。( 圖 40)
環勾針運動量之調整
環勾針之運動呈橢圓形，當針號數變動過大時
或有必要調整環勾針之前後運轉量 a 時，請依
照以下步驟調整。
1. 打開縫紉機背面的封蓋 ① 。
2. 輕輕放鬆螺絲 ③。
3. 旋轉調整螺絲 ②，
向 ＋ 方向加大前後運動量。
向 － 方向減少前後運動量。
4. 調整後鎖緊螺絲 ③ 。
5. 封蓋 ① 。( 圖 41)
0~0.05mm
5.The relationship between the needle and the
needle guard.
(1)When the lower looper moves from left to
right to the central line of the needle (when
it's double needle model, it means the left
needle), the clearance from the needle to
the rear needle guard is 0 ~ 0.05 mm.
(2)When the lower looper moves from left to
right to the central line of the needle and
the front needle guard is 0.1~0.2mm.
( Fig.40)
高行程 0.05~0.1mm
high strok 0.05~0.1mm
0.1~0.2mm
ADJUST THE CHAINSTITCH
LOOPER MOVEMENT AMOUNT
The movement of the chainstitch looper is
oblong shape. When the difference of the
changed needle number is too large, or if
necessary to adjust the front/rear movement
amount a of the chainstitch looper, please
follow the steps below to adjust.
1.Open the sealed cover ① in the back side of
the machine.
2.Loosen the screw ③ slightly.
3.Turn the screw ② to adjust. To increase the
movement amount, turn to + direction. To
decrease the movement amount, turn to －
direction.
4.Tighten the screw ③ after the adjustment.
5.Then, seal the cover ① .( Fig.41)
Introduction
圖 40 / Fig. 40
圖 41 / Fig. 41
P33