Siruba 700KST, Instruction Book, Page: 22 / 62

更換切刀
REPLACE THE TRIMMERS
1.
更換上切刀
(
圖
21)
(1)
取下螺絲①將上刀座②移出，鬆開螺絲③，
更換刀片④。
(2)
轉動皮帶輪使上刀移至下死點，調整上刀
高低使上刀與下刀相交約
0.5~1.0mm
，鎖
緊螺絲③。
(3)
試驗上下刀能確實剪斷車縫線。
2.
更換下切刀
(
圖
21)
(1)
放鬆螺絲⑤將下刀座⑦向右移出。
(2)
放鬆螺絲⑥及固定片⑧更換刀片⑨。
(3)
將下刀座向左推回，調整下刀之刀口與針板
面平齊後，鎖緊螺絲⑤。
(4)
試驗上下刀能確實剪斷車縫線。
1.Replace the upper knife (Fig.21)
(1)Take down the screw
①
and move out the
upper knife bracket
②
. Loosen the screw
③
and replace the knife
④
.
(2)Turn the pulley to move the upper knife to
the bottom dead point. Adjust the height of
the upper knife, and make the engagement
between the upper and lower knives to be
0.5~1.0mm. Then, tighten the screw
③
.
(3)Test the upper and lower knives to cut the
thread.
2.Replace the lower knife (Fig.21)
(1)Loosen the screw
⑤
and move the lower
knife bracket
⑦
rightward.
(2)Loosen the screw
⑥
and the fixed plate
⑧
and replace the knife
⑨
.
(3)Push the lower knife bracket back. Align the
blade of the lower knife to the needle plate,
and then tighten the screw
⑤
.
(4)Test the upper and lower knives to cut the
thread.
P16
圖
21 / Fig. 21