S100
1-57
Revised 10/2005
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1 . I N T R O D U C T I O N
The S 100 - 052 & -053 are two thread or single thread, round eye machines, used for decorative round
holes in materials up to 6 mm thick, such as round holes in capes and cap vent holes.
The S 100-052 & -053 offer a stitch density of 15 to 40 stitches per hole. Standard width of the sewn
buttonhole by the machine S 100-052 is from 2.00 to 4.00 mm and by the machine S 100-053 is from
3.5 to 7.00 mm. In addition to the standard Cut After sewing, both style machines are capable of Cut
Before sewing.
In the next passages of the instruction are only instructions, which are different from basic type of the
machine S -100.030 and also using of the some parts supplied in accessories of the machine, such as:
a) left looper and spreader for single thread chain stitch - see section
E 6
.
b) upper disc of the needle bar for bigger thread draw off
2. DIFFERENT POSITION OF THE MACHINE MECHANISMS S 100-052/053
Only some of the machine mechanisms have different function, than basic type of the machine. To these
mechanisms belong mechanism for change of diameter of round buttonhole, which replaced mechanism for
change of the position of the buttonhole sewing - see below. Also mechanism for fabric tightening is not used
there - fabric for sewing is stretching by special contruction of round clamp feet..
Mechanism of the sewing control and stopping mechanism have control derivation from main cam, instead
of standard control from the machine table - see next chapter.
Turning mechanism, when the machine is in home position, has both gear segments symmetrically to the
lengthwise machine axis, as distinct from position of the segments, which are described in chapter
MACHINE ADJUSTMENT - Table alignment.
In home position of both machines the locating pin of lateral cam driver heads for machine operator during
the cutting after. The lateral cam has a mark or machine in home position.
During the adjustment of loopers, throw out of parallel the needle type S 100 - 052 1,2 from the center,
and about S 100 - 053 2.4 mm from the centre of the throat plate. Then do the same adjustment as it is
described in chapter MACHINE ADJUSTMENT - Setting-up of the loopers to the needle.
E - MACHINE ADJUSTMENT FOR ROUND EYE