Standard Adjustment
(27) Vertical momentum of the top feed dog
Relation between the position
of
vertical adjustment pin
and the vertical momentum
Adjusting position
Vertical
momentum
Application
Striking
to
end of groove.
3.5mm
Light
weight
materia!
Marker
line position A
5.0mm
Light·
to
medium·weight
materials
Marker line position B 6.5mm
Medium·
to
heavy.weight materials
1
to
1.5
mm
on
1his
side
from
8.5mm
Extra heavy·weight materials
striking
to
end
of
groove
* In
case
of adjusting
the
position
of
vertical
adjustment screw
8,
check that the pin does
not come in contact with upper knife support,
needle clamp, etc. Then securely tighten vertical
adjustment screw
8.
0
Vertical adjustment arm
Striking
to
top
end
of groove
Marker line
position
A
Marker line position e
1
to
1.5
mm
on
this
side
from
striking
to
top
end
of
groove
Assembling position
of
locus cut
base
and exhaust slot support
Move
exhaust
slot
support
8
to
the
right
(Screw
: left
side
of
slot)
__..
ove
locus
cut
base
8
to
the left.
crew
:
right
side
of
slot)
mm
Check that the locus cut screw is adjusted to the position (almost the center) of the aforementioned
dimension of the vertical adjustment arm support section.
-44-
From the Library of Superior Sewing Machine & Supply LLC
To Next Page
Loading...
Need help?
General
