19. Optional equipment
19.1 RAP 13 - 2 Electro-pneumatic seam bartacking
For the following subclasses: 767-FA-273 and 767-VF-373
Sewing machines with electro-pneumatic seam bartacking are
equipped with the cylinder 2. The cylinder brings the stitch regulator
into the position for the reverse sewing.
Sewing machines with this optional equipment also allow the sewing of
a fancy-stitch bartack.
The entries for the seam bartacking are made at the control panel.
During seam bartacking, the bartacking rpm (factory setting
1 200
min-1
)isineffect.
Caution Risk of Injury !
Set the throttle only with the sewing machine turned off.
Conduct function tests with the sewing machine running only with the
greatest possible caution.
–
Set throttle 1.
The piston rod should run out rapidly and uniformly.
ATTENTION !
A changeover of the stitch regulator during entry of the needle into
the material can lead to needle breakage. In this case, the throttle
setting is to be corrected accordingly.
19.2 RAP 13 - 4 Electro-pneumatic seam bartacking
For the following subclasses: 767-AE-73 and 767-LG-73
81
GB
1
2
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