Separate Thread Device - Jack JK-1900BSK Manual

Mechanical adjustment-Separate thread device
When the position of
the shuttle bed is
straight, the needle
is at the centro of
the separate thread
device.
If the position of the

separate thread device

is not right, it will
cause to cut two
threads(short thread and
off the thread at the
beginning of sewing)
项目名称 | 日期
PROJECT NAME | date CONFIDENTIAL 31