24
Lowest point of the needle bar when using DPx5 needle.
Crossing point of the hook edge and the needle center.
Lowest point of the needle bar when using DPx17 needle.
Crossing point of the hook edge and the needle center.
[Figure 32]
11) Adjusting needle and hook timing
(1) Fixing the height of the needle bar
※
Turn the pulley to place the needle bar in the lowest position. Loosen the needle bar holding screw
①
, adjust so that
the needle bar carved sign
ⓐ
meets the end of the frame
ⓑ
like in figure 32, then tighten the screw.
ⓐ
①
ⓑ
1.8mm
1.8mm
[Figure 33]
(2) Adjusting the timing of hook edge and needle center crossing
First, set the stitch length (DIAL) to 2.5mm. Adjust the hook gear clamp screw
①
so that like in figure 33, the hook edge
fall sexactly at the center of the needle center when the needle bar is raised 1.8mm from its lowest position. When this is
done, the hook edge will be placed at about 1mm above from the front of the needle thread hole.
Hook edge
1mm
①
1.8mm
