Brother EF4-V41 - Page 67

[Adjusting the movable needle guard)
[Adjusting
needle guard (F))
Raise the needle from its lowest position until the
under looper 0 point is aligned with the center of the
needle.
Loosen the bolt @) of the movable needle guard @,
and adjust the position of the movable needle guard
@ so that there is a 0- 0.05 mm clearance between the
under looper 0 point and the needle.
NOTE: When the under looper 0 point is aligned with
the center of the needle, the movable needle
guard
@ should touch the needle.
Align the center
of the needle with the under looper
0 point, and loosen the screw@. Adjust the clearance
between
the needle and needle guard (F) 0 to 0.05-
0.2 mm for using threads with a thread number over
and including
#50 (thin thread) or approx. 0.3 mm for
using #30 thread (thick thread).
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From the library of: Superior Sewing Machine & Supply LLC