31
8) Upper Shaft(Needle Bar) Timing
Adjustment
ⓐ
Set up the up stop position of no.126 in parameter at
94
。
~96
。
ⓑ
Check the up stop position of thread take-up lever on
the main shaft motor test.
ⓒ
Set up the up stop position of thread take-up lever of the
upper shaft and set up the main shaft motor D Cut
direction like figure.
ⓓ
Check the thread take-up lever position by repeating
ⓑ
and
ⓒ
9) Needle and Hook Timing
Set the stitch length at minimum and place the needle
①
at
2mm above the lowest position. Then the hook edge
②
is
positioned at the needle center. The appropriate distance
between the needle groove and the hook edge
②
is 0.1mm.
At this time, the hook edge
②
should not contact the needle
①
. If the above conditions are not met, perform the
following adjustments.
2mm
0.1mm
①
②
[Fig. 35]
8~10。
[ Fig. 34 ]
