HIGHLEAD DY-850, Instruction Manual, Page: 10 / 46

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Loosen Set Screw (A), turn Tension Stud (B) clockwise to increase the spring tension, or turn the stud
counter-clockwise to decrease the spring tension. After the adjustment, be sure to tighten Set Screw (A).
To Attain this: First loosen Set Screw ( A ), turn Tension Stud ( B ) counter-clockwise to decrease the
tension of Thread Take-up Spring ( C ) to zero, then turn Tension Stud ( B ) clockwise until Spring ( C ) comes
to the notch of thread tension regulating bushing, and again turn Tension Stud ( B ) halfway back
( counterclockwise ) After the adjustment. Tighten Set Screw ( A ).
2) 挑线簧摆动幅度的调节 Adjusting the thread take-up spring stroke
放松夹线调节座固定螺钉 B，转动夹线器 C，调节其摆动幅度，夹线器 C 顺时针转动，摆动幅度增大。
反之则减少。通常，机器在出厂前，挑线簧均以调整
妥善。只是在缝纫特殊的缝料或特殊的缝线时，才需
要重新进行调整。
Loosen Set Screw (B), turn Stud (C) clockwise to
increase the stroke or turn Stud (C) counter-clockwise to
decrease the stroke. After the adjustment, tighten Set
Screw (B). Before leaving the factory, the thread take-up
spring has properly been adjusted. Readjustment is
needed only in the case of special material or special
thread.
11.底面线张力调节
ADJUST THREAD GUIDE AND THREAD TENSION
1） 过线勾位置调整
Adjusting of the thread guide
左侧
Left
中间
Middle
右侧
Right
过线勾位置
Thread guide
position
缝料
Materials
厚料
Heavy
中厚料
Medium
薄料
Light
过线勾的位置, 根据上表，参照缝料的缝制条件进行相应调节。
Refer to the table above, and adjust according to the stitching condition
s, the material and thread.