13
8
、辅助压脚的调节
Adjusting the auxiliary presser foot
将辅助压脚的底部调整到能把夹有缝料的模板压实为宜。辅助压脚的气压调整到
0.2Mpa
。
Adjust the bottom of auxiliary presser foot such that the template with clamped sewing materials may
be held down securely. Adjust the air pressure of auxiliary presser foot to 0.2Mpa.
9
、中压脚的上下行程调节
\Adjusting the up/down strokes of middle presser foot
1)
取下面罩。
Remove face cover.
2)
转动皮带轮，把针杆移动到下死点。
Turn hand wheel to make the needle bar come down to its lowest point.
3)
拧松平头螺丝 ，把平头螺丝 的位置向
A
方向移动，行程变大。
Loosen hinge screw
and move it to the direction A to increase the stroke.
4)
刻点 与垫片 的外周右侧一致时行程为
4mm
，与刻点 一致时行程为
7mm
。
When marker dot
is aligned with the right side of the outer periphery of washer
, the vertical
stroke of the intermediate presser becomes 4 mm. And, when marker dot
is aligned with the
right side of the outer periphery of the washer, it becomes 7 mm
（工厂出货时调节为
3mm
。
）
(The vertical stroke of the intermediate presser is factory-set to 4 mm at the time of delivery.)
