8.
STANDARD ADJUSTMENTS
A
J'
t'
I o;us
mg
timing
tl1e
needle with
Adjusting the height of the
neeclle
<Needle
bar
highest point>
Needle plata
-
18-
It
is
important that the tirning relationship
between
the
needle on its
downward
stroke and the · feed dog
movement
is
maintained at all tirnes.
When
the scart
of
the
needle on the
downward
stroke reaches the top
rhe feed dog moven1ent
must
start
When
use the following
procedure to change
the
1.
Clla:1ge the feed
amoum
to the largest possible setting.
2.
Loosen the
screw
for cover
and
the
screw
for oil resc-::voir
Q,
and then l"ernove the cover plate
and the
oil reservoir
3. Normally put the
arrow
mark
'~i
of
the
earn on
the
V
ditch
of
arm
shaft
4.
Turn the machine pulley
to
the
needle at 1
mm
up
from
its
lowest
point.
5.
And, pushing
the
reverse lever up and down, turn
the
cam and
set
this atthe point both
the
needle and the
feed dog
rest
6.
After
positioning completed, tighten the each
screw
securely.
When the needle bar
G.•
is at its highest point, normally
the measurement
between
the
surface
of
the
needle
plate and the upper end
of
the
needle eye is 22.3mm.
1.
Loosen the
screw
\2' and
move
the setting posi tion
of
the needle bar 0
to
get
the correct posi tion.
2.
Tighten the
screw
From the library of: Superior Sewing Machine & Supply LLC
To Next Page
Loading...
Need help?
General
