HIGHLEAD DY-850, Instruction Manual

Page: 14 / 46

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12
Lift needle bar to the highest position of its stroke. Remove throat plate, take down needle and bobbin case.
Loosen Screw ( C ) of hook position and take down Hook Position ( A ). Loosen two Screws ( D ) of rotating
hook. Turn balance wheel to raise feed bar to its highest position, then take down the rotating hook by turning it
away from feed bar. Installing the hook can be done in reverse sequence. Note that Needle ( B ) and the convex
surface of Hook Position ( A ) should align with a clearance of 0.5-0.7mm between them.
14.梭心线的绕法
HOW TO WIND THE LOWER THREAD ON THE BOBBIN
1)
将梭心安装在梭心轴上。
2)
按图示穿线
,
照顺时针方向在梭心上绕几圈。
3)
按图示箭头方向按扳手①，然后启动机器。
4)
线绕满后，扳手①被弹开，绕线自动停止。
5)
调节夹线螺母②来调整梭心线的紧密度。
6)
梭心线的线量调节：
拧松螺钉③移动调节板④。
a.
将调节板④方向
a
方向移动，线量减少。
b.
将调节板④方向
b
方向移动，线量增加。
1) Press the bobbin onto the thread winding shaft.
2) Pass the thread for winding thread as shown in the
figure, and wind the end of the thread clockwise
around the bobbin several times, then wind the thread
on the thread adjuster side counter-clock wise several
times.
3) Press lever
①
in the direction of the arrow, and
start the sewing machine.
4) The operation will automatically stop when
winding is completed.
5) Adjustment of thread winding strength Adjust with
the thread adjuster nut
②
.
6) Adjustment of thread winding amount Adjust by
loosening screw
③
and moving the adjustment plate
④
a. The thread winding amount will decrease when moved in
the direction of a.
b. The thread winding amount will increase when moved in the direction of b.