Specifications

12. Press the keys. The
head rotates to the ‘‘Needle
Depth’’ position without bringing
the needle down and the LCD
displays NEEDLE DEPTH 180.0.
13. Press and the head
rotates to the ‘‘Hook Timing’’
position. The LCD displays
HOOK TIMING 200.0.
14. Clean and replace the current
hook, or place a new rotary
hook on the hook shaft.
15. Align the hook point to the
approximate hook timing
position as shown in Figure 3-33.
16. With a good needle installed in
the needle bar above
the rotary hook, grasp
the needle bar clamp
and pull down until the
needle goes into the
slot in the bobbin
basket and the needle
bar catches securely.
17. Refer to Figure 3-33 for
aligning the hook point
to the needle.
At the same time, refer
to Figure 3-34 and
position the hook point
so the gap between the
needle scarf and the
hook point is 0.002" to
0.020" (about the
width of a thread).
18. While maintaining the
specifications outlined
in the previous step,
tighten the rotary hook
screw that is accessible
at the right of the hook
assembly.
The hook
point should
be just visible
behind the
needle
If the hook
point does
not extend to
the needle, it
is referred to
as "retarded"
If the hook point
extends beyond
the needle, it is
referred to as
"advanced"
Figure 3 - 33
This gap
should be
0.002 - 0.008"
Needle
scarf
Figure 3 - 34
Hook Replacement 3 - 37
110291-01, Rev D 3. Embroidery Head Maintenance