1. FEATURES
1.
These models have the same sewing performance
as
the high-speed types (Models EF4-BS11, B531 and
MA4-B551)
so
they can be used for normal stitching, ruffling, bulky stitching and many other applica-
tions.
2. Differential feed ratio can be changed by a
"banana
type"
device which assures a wide differential
range.
3. High-lift specifications
···
7mm
in presser foot rise and
7mm
in maximum stitch width
···
are available
for denim bulky and other thick materials.
4. Blade engaging angle can be easily adjusted for sharp cutting performance.
5.
Oil level in the oil pan can be easily checked with the special oil guage on the front.
6.
Superb design and colour brighten working environment and ensure to lessen the operator's fatigue.
* Most
of
the gauge parts, expendable parts, attachments and other devices
of
these models are inter-
changeable with those
of
Models EF4-B511, B531 and MA4-B551.
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