-14-
Caution:
1.To prevent the unexpected startup
of sewing machine, trim off the pow
-er supply before the operation is co
-nducted.
注意
:
1.
为了防止缝纫机的意外启动，请关掉
电源之后再进行操作。
3
.踏板返回力的调整
1
）松开螺母
⑥
，旋转螺栓⑦调节踏板返回
力
:
拧紧螺栓⑦则踏板返回力将增大，拧松螺栓
⑦则踏板返回力将减小。
2
）调节完踏板返回力后，请拧紧螺母
⑥
。
3.Adjustment of stepping return strength
1)Loosing nut
⑥
and turn bolt
⑦
to adjust s
-tepping return strength : tighten bolt
⑦
,the st
-rength increases;loosen bolt
⑦
,the strength
decreases.
2)Tighten nut
⑥
after adjusting stepping ret
-urn strength.
Caution:
1.To prevent the unexpected startup
of sewing machine, trim off the pow
-er supply before the operation is co
-nducted.
图
21
Fig.21
A
⑥
⑦
⑧
⑨
B
4
.踏板行程的调节
1
）拆下螺母⑧。
注意
:
1.
为了防止缝纫机的意外启动，请关掉
电源之后再进行操作。
踏板行程调整后，踏板踩踏力和踏板
2.
返回力均已改变，请按照上述步骤进行
重新调整。
2
）将连杆接头
⑨
从
A
的位置移动到
B
的位置，
则踏板的行程变为原来行程的约
1.3
倍，反之则
踏板的行程变为原来行程的约
0.8
倍。
3
）调整完行程后，请装上螺母⑧。
4.Adjustment of panel moving distance
1)Remove nut
⑧
.
2)Move connecting rod joint
⑨
from A to B,
panel moving distance is 1.3times than origin
-al one. Move reversely the distance is 0.8 tim
-es as original one.
3)Assembly the nut
⑧
after adjusting panel
moving distance.
Caution:
1.To prevent the unexpected startup
of sewing machine, trim off the pow
-er supply before the operation is co
-nducted.
2.Stepping strength and stepping re
-turn strength both change after adj
-usting panel movement,follow the s
-teps above to have adjustments ag
-ain.
旋梭油量调节 (图
22
、图
23
、图
24
)
18
Oil mass Adjustment of Rotating Hook (Fig. 22, Fig. 23 , Fig. 24)
