19
Thread plate
When the hook of the threader plate is damaged, change or adjust the part as follows.
To change the threader plate:
1. Raise the needle to its highest position and lower the threader knob to its lowest position.
2. Loosen the screw and remove the threader plate (Fig. A).
To adjust the needle threader:
1. If the hook of the threader plate slashes or hits against the left or right side of the needle eye, loosen the
screw and adjust the hook position (Fig. B).
2. If th hook of the threader plate slashes or hits against the top or bottom side of the needle eye, loosen
the screw and move the position setting plate up pr down to adjust the hook position (Fig. C).
Position setting plate
To change the threader plate (Fig. A)
Adjust the direction of up or down (Fig. C)
Adjust the direction of left or right (Fig. B)
q
q
w
w
e
e
r
r
e
t
t
e
Mechanical Adjustment
Содержание JP720
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