Brother LK3-B448E - Manual (Page 47)

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10. Adjustments
LK3-B448E MARK II /BA-16
4. Remove the movable knife
i
and replace it with a
new one. At this time, check that the movable knife
i
and the fixed knife
o
cut the thread cleanly. If necessary,
adjust by using the appropriate movable knife washer
!0 (supplied as accessories).
5. Install the fixed knife
o
at a distance of 0.5 mm from
the needle hole plate
!1
.
6. Place the thread trimming connecting rod
y
onto the
connecting rod lever pin u , and then install to the needle
plate
t
.
10-7-1. Replacing the movable knife and fixed knife
1. Open the large shuttle hook cover, remove the screw
q
, and then remove the feed plate
w
.
2. Remove the two screws
e
and the two screws
r
, and then remove the needle plate
t
.
3. Remove the thread trimmer connecting rod y from the connecting rod lever pin u .
0.5 mm
w
q
q
t
e
r
t
y
u
i
!0
!1
o
o