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Siruba LBHS-1790S Instruction Book / Parts List page 85

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⑶內旋梭的固定調整
用固定螺絲③把內旋梭固定器①的前端和內
旋梭②的端面的咬合調整為 0 ~ 0.2mm。
C
B
0.05mm
(3) Adjusting the bobbin case positioning
stopper
Adjust with setscrew ③ so that the contact
of the top end of bobbin case positioning
stopper ① and the end of inner hook ② is
0 to 0.2 mm.
Introduction
P67

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