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❽
: Marker line for DP×17
0.05 to
0.15 mm
Turn handwheel ❼ by hand to ascend the
4)
needle bar ❽ .
Adjust so that lower marker line ❾ on the
❼
ascending needle bar aligns with the bottom
end of the needle bar bushing lower .
: When lower marker line for
Loosen hook setscrew . Move the hook to
5)
adjust so that hook blade point is aligned
with the center of the needle.
6)
Adjust the longitudinal position of the hook so
that a clearance of 0.05 to 0.15 mm is provid-
ed between the needle and hook blade point
when hook blade point is aligned with
the center of the needle.
Then, tighten setscrew .
– 133 –
❾
DP × 17 needle is used.
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