Gemsy GEM0311 - 送布牙 同步关 系的调整 Adjusting the Synchronous Relationship of the Feed Dog

9
使用说明书 Operation Instruction
小small
大big
12
11
4.外压脚运动量的调整
外压脚和送布牙运动量以1:1为标准，根据缝制条
件,能调整外压脚的运动量。
松开位于压脚摆动曲柄(左)11上的螺母12，往上移
动提升压脚变动曲柄轴，运动量会变小，相反就会
变大。
4.Adjusting feeding amount of auxiliary presser foot
The normal proportion of feeding amount between the
feed dog and the auxiliary presser foot is 1:1. You can
adjust the feeding amount of the auxiliary presser foot in
accordance with the conditions of materials in use.
loosen the nut 12 and move upward the presser foot
vertical move control shaft, and the feeding amount
becomes smaller. If you move it downward, the amount
increases. Be sure to tight the nut 12 when the adjustment
is finished.
17.送布牙同步关系的调整 Adjusting the synchronous relationship of the feed dog
1.转动手轮，使针杆位于最高位置；
2.打开上盖，如图所示位置：送布凸轮"左"①的第一
颗螺钉和
送布凸轮"右"②上的第一颗螺钉与上轴中心线位于同
一平面上。
注：送布凸轮②的位置调节，可以取下上盖上的橡
皮塞④进行，但是单齿轮⑤不易看到，调节时应小
心保护。
第一螺钉
The first screw
第二螺钉
Second screws
第一螺钉
The first screw
①
⑤
②
③
④
针距标盘
Gauge dial
16.内外压脚 的调整 Adjusting the auxiliary and upper feed presser foot
1. turn the pulley with hands to fix the needle bar to the
highest point.
2.The standard position will be when the center of the No.
1 fixing bolt of the presser foot vertical move cam ① is
aligned with the center line of the upper shaft, the bottom
of the No. 1 fixing bolt of the feed cam ② is aligned with
the center line of the upper shaft.
Caution:When adjusting the feed lifting cam② , users can
remove the rubber plug④ of the upper cover. During adjusting,
users should be cautious because it is hard to have a vision of
the single gear⑤.