摆压脚、压脚前后方向间隙的调节（图 37）/Adjusting The Clearance Between Presser Foot And Walking Foot（Fig 37; 定期清扫（图 38,39,40）/ Clean Regularly（Fig 38 39 40 - Jack H2 Series Product Instruction Manual

27.摆压脚、压脚前后方向间隙的调节（图 37）/Adjusting the clearance between presser foot and walking foot（Fig 37）
在缝纫过程中，有时用大针距缝纫，有时用小针距缝
纫，在大针距缝纫时，摆压脚前后的行程比较大。反之，
就小了。为了在缝纫过程中，使摆压脚槽的前端与小压脚
后端面不碰撞，且保证有一定的间隙 C（一般取 1.5mm 左
右） 。故在小针距缝纫时，需要摆压脚向针杆靠拢点，调节
方法：首先旋松摆压脚前曲柄螺钉，然后向上转动压脚摆
动轴，则摆压脚就向针杆靠拢，调节时，应该注意间隙 C
的定值要求。
In sewing operation, for preventing the walking foot from
striking on presser foot a proper clearance C of approx. 1.5mm
should be maintained between them. When the clearance is
too small or too big, necessary to adjust, loosen rear crank
screw and turn the rock shaft, then the walking foot moves near the needle bar. When adjust, be sure to note the
fixed number of the clearance C.
28.定期清扫（图 38,39,40）/ Clean regularly（Fig 38 39 40）
请根据使用程度，定期进行清扫送布牙、旋梭、梭心套和
油泵滤网等。
1、送布牙的清扫
先卸下针板，清除送布牙（A）间距（牙槽）内的尘垢，
然后再安好针板。
2、旋梭的清扫
清除旋梭（A）周围的尘垢，如图所示，同时用软布拭擦
梭心套。
3、油泵滤网的清扫
如图所示，清除滤网（A）上的尘屑。
Please regularly clean the feed dog, rotary hook, bobbin case
and oil pump filter according to the degree of use.
1. Cleaning the feeding teeth
Remove the needle plate first, remove the dust and dirt in the
gap (teeth) of the feed dog (A), and then install the needle plate.
2. Cleaning the hook
Clean the dust around the hook (A), as shown in the figure,
and wipe the bobbin case with a soft cloth.
3. Cleaning the oil pump filter
As shown in the figure, remove the dust on the filter (A).
上
下
17
C
A
A
A
37
38
39
40