S100
1-27
Revised 10/2005
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D - MACHINE ADJUSTMENT
A d j u s t m e n t o f t h e w i d t h b i t e i n t h e c r o s s b a r
The cross bar can be narrow down only by maximally 0.6 mm in adjusted width bite;.
1.
Remove the side cover of the head.
2.
Check if , is in the moment of maximal pressure during the cutting the bracket over the tooth on
the block
. If is not, heave it by screw , so that is maximally 2 mm over the tooth . After
turning the mechanism to the working position, the bracket , must fall to the top of the pivot .
After the buttonhole is sewn is the bracket in the front of the pivot . During the sewing the cross
bar, the bite size is decreased.
If the bracket fall down to the front of the pivot before the sewing first part of the buttonhole, it will
occur prematurely decreasing the bite size, in that case, is the table moving minimally and the machine
is sewing almost in one place.
3.
Loosen the screw , and rotate the ring
to change the bite width in the cross bar (counter
clockwise, the bite size increases, clockwise is the bite size decreased - from upper view)
3.
Tighten the screw .
4.
It is necessary to move the stop by the same amount of the millimeters as the ring
has been
moved, but in the opposite direction.
5.
Install the left side cover.
N O T E :
This width is adjusted from the manufacturer and it is not necessary to adjust it again.