12616, Rev. B
2. Replacement of Hook Race (unit)
5
9. Draw out the hook race body(unit) in
the arrow 1 direction as shown in
Fig.2-8. After removing the hook race
body cover and hook body, assemble
new hook race body(unit) in the
arrow 2 direction.
10. Set the hook body to the hook race
body as shown in Fig. 2-9 mount the
needle, and set the needle bar to the
lowest position. Set the hook body
tip to the rear side of the needle,
adjust the gap between the needle
and the hook body tip to 0-0.15mm,
and tighten socket screw(L) lightly.
11. After mounting the
hook race body cover,
adjust the hook race
body(unit) by turning it
so that the needle is
positioned at the center
of the groove of the
hook race cap spring (O)
as shown in Fig.2-10.
2
1
FIGURE 2-8
FIGURE 2-9
O
FIGURE 2-10