Bernina 730 Manual - Page 62

Threading, upper, threads

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44 8 9 35 7 4 45 SI ,;0 4 Thread tension regulator 7 Thread take-up lever 8 Thread tension 9 Thread tension regulation disc. 35 Spool pin 44 Thread guide slit 45 Needle holder eyelet. Threading the two upper threads To thread the two upper threads of the machine for pintucking, proceed aS for normal sewing. Place the two reels of thread onto the two pins 35 of the double spool holder at back on top of machine arm. Now pass the thread of the front reel through pretension disc 43, also placed at the back; then into slot running across top arm and draw the thread into left tension disc, down to thread tension regulator 4, and up again through slot of thread take-up lever 7. Then down again to needle holder eyelet 45 and finally from front to rear through eye of left needle. With the second thread proceed in the same manner, but draw it through the right tension disc. From there through thread tension regulator up to thread take-up lever and into the slit of same. Now down again to needle holder eyelet and finally through eye of right needle. Both threads should always run separately through thread tension in order to produce finer pintucks.

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7
4
45
44
8
9
35
SI
4
Thread
tension
regulator
7
Thread
take-up
lever
8
Thread
tension
9
Thread
tension
regulation
disc.
Threading
the
two
upper
threads
35
Spool
pin
44
Thread
guide
slit
45
Needle
holder
eyelet.
To
thread
the
two
upper
threads
of
the
machine
for
pin
-
tucking,
proceed
aS
for
normal
sewing.
Place
the
two
reels
of
thread
onto
the
two
pins
35
of
the
double
spool
holder
at
back
on
top
of
machine
arm.
Now
pass
the
thread
of
the
front
reel
through
pretension
disc
43,
also
placed
at
the
back;
then
into
slot
running
across
top
arm
and
draw
the
thread
into
left
tension
disc,
down
to
thread
tension
regulator
4,
and
up
again
through
slot
of
thread
take-up
lever
7.
Then
down
again
to
needle
holder
eyelet
45
and
finally
from
front
to
rear
through
eye
of
left
needle.
With
the
second
thread
proceed
in
the
same
manner,
but
draw
it
through
the
right
tension
disc.
From
there
through
thread
tension
regulator
up
to
thread
take-up
lever
and
into
the
slit
of
same.
Now
down
again
to
needle
holder
eyelet
and
finally
through
eye
of
right
needle.
Both
threads
should
always
run
separately
through
thread
ten-
sion
in
order
to
produce
finer
pintucks.
,;0