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26.INSTALLATION OF MOVABLE KNIFE
1)
Installation of movable knife
（
1
）
Turn the balance wheel and lower the needle bar to the lowest position.
（
2
）
Push the cam follower crank so that the cam roller enters into the thread trimmer cam groove.
（
3
）
Turn the balance wheel until the black mark point on the arm meets the white mark point on the
balance wheel.Set the cam follower crank at this position with a screwdriver temporarily preventing the cam
roller coming out from the cam groove.
（
4
）
Loosen the thread trimmer rocking crank clamp bolts A and B.
（
5
）
Adjust the movable knife so that the movable knife end slant portion protrudes 0-0.5mm from the
fixed knife,as shown in figure and tighten the bolts A and B.
2)
Gap between movable knife and bobbin case holder stopper
（
1
）
Turn the balance wheel by hand until needle reaches the lowest position.
（
2
）
With the needle at the lowest position,depress cam follower crank,turn the balance wheel until the
movable knife reaches the extremity of its stroke.
（
3
）
Manually rotate the inner hook in the direction indicated by arrow in figure and adjust gap between
the movable knife and the inner hook stopper to about 0.5mm(the screws A and B should be loosen for this
adjustment).
