20
3-10-5
Firstly turn the hand wheel to move the needle to the left side
and its lowest position. Then turn the hand wheel again to
make the hook tip meet the needle.
At this point, the play should be between 0.05~0.1mm.
3-10-6
If the play does not fit the standard, use a 2.0mm hex
screwdriver to loosen the hex socket screw for the needle bar
supporter pin.
3-10-7
Push the needle bar supporter backward and the play will
become larger.
Push it in another direction will make the play smaller.
3-10-8
After adjusting to a correct play, tighten the hex socket set
screw.
3-11
.
Adjusting the play between the lower shaft
gear and the shuttle hook holder gear
3-11-1
Remove the face plate)
3-11-2
Use a flathead screwdriver to remove the needle plate
