Siruba 700LX Original Instruction Book page 26

3. 勾針控線關係 ( 圖 21)
(1) 若縫合方式 504，上勾針移至最低時，將
⑨ 及 ⑩ 調至 + 位置。
(2) 固定線導板
、
1 1
+ 方向為縫合線較多，－ 反之較少。
4. 環縫線凸輪控線關係 ( 圖 22)
(1) 調整底線導致線環不穩定 ( 鬆塌或成形不足 )
時。
(2) + 表示增加針線放線量。
(3) － 表示減少針線放線量。
P22
如下 :
12
3.Looper thread control.( Fig. 21)
(1) When the sewing type is 504 and the upper
looper is on the lowest point, adjust ⑨ and
⑩ at the position of + .
(2) Adjust fixed thread guide plate
as the following: The direction + is for more
thread in sewing seam, and the － direction
is for less thread in sewing seam.
4. Chainstitch thread cam control .( Fig.22)
(1)Adjusting the lower thread causes the
thread ring unstable (too loose or didn't
form a thread ring).
(2) + means to have more thread amount
while sewing.
(3) － means to have less thread amount
while sewing.
and
1 1 12
圖 21 / Fig. 21
圖 22 / Fig.22