0.8~1.2m/m (about
3/64")
and by
moving
the nipper bar
block
to right
and
left
to
attain
this
clearance.
13. ADJUSTING
THE
NEEDLE
BAR
(Fig. 12, 13)
Fig.
12
Fig.
13
There are two timing lines at the top of the needle
bar
and
two
liming lines at the bottom, a total of 4 timing lines
(Fig.
12).
For
adjusting the height of the
needle
bar,
use
the upper pair of timing
lines when using short needles (TQ,Xl); for using long needles (TQ,x7)
use the lower
pair
of
timing
lines.
Step on the pedal
fully
to release the stop motion trip lever and in
that position rotate the motor pulley toward the operating direction
with your right hand
(Fig.
2)
and when the needle bar has reached the
lowest
position,
the upper line of the each pair of liming
lines
(Fig.
14
A),
depending
upon
the
length
of
needle
used,
should
be
even
with the
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