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Siruba PK511 - Adjustment of the Sawing Machine; Thread Tension Adjustment; Adjustment of the Thread Pull-Off Lever; Adjusting the Tension Lever

Siruba PK511
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SiMUaA
®
Sew
Reach
P08
Introduction
(_
3_. _
ADJ
_ U_S_T_M_
EN
_T_O_F_T_H_E_S_A_
WI
_N_G_MA_ C_H_
IN
_E
___________
)
( 3-1.
Thread
tension
adjustment
)
Tension post
No
. 1 8
is
used
to
adjust
the
thread
tension
to
sew
on
the
button
and
a relatively
low
tension will
be
enough. Tension post
No
. 2 9
is
used to adjust
the
thread
tens
ion applied
to
t
he
root
of
the
button sewing stitches.
This
tension
must
be
determined according
to
the
type
of
thread, fabric
and
thickness
of
the
button and must be higher
than
that
of
tension
post
No
. 1 O. Turn
the
tension nuts
clockwise
to
increase
or
counterclockwise
to
reduce
the thread tension.
( 3-2.
Adjustment
of the
thread
pull
-off
lever
)
WARNING :
To
protect agalnat posalble personal Injury due
to
abrupt
start
of
the machine,
be
aure
to
start the
following work after
turning
the
power
off
and
ncertalnlng
that
the
motor
la
at
rest.
A
ef(f!J
Al
lh
♦
Ume
of
X
B'©
~
B
~
To adjust
the
thread pull-off lever 8 , insert a screwdriver through
an
opening
in
the machine
arm
side
cover
(left), loosen
screw
9
and
adjust
the
position
of
nipper
bar
block (rear) O to
the
left
or
the
right.
If
the
end
of
thread
is
drawn from arrow hole A
in
t
he
button after sewing, change
the
position
of
ni
pper
bar
block (rear) e
to
the left. Move the
lever
to
the
right when the thread
end
comes
out from
arrow
hole 8 .
( 3-3. Adjusting the tension lever )
WARNING:
To protect agalnat
poHlble
personal Injury due
to
abrupt
ata
rt
of
the machine,
be
aure
to
start
the
followlng
work
after turning
the
power
off
and ascertaining
that
the
motor
la
at
rest.
<O
r.;;:
--·-
-
-.
·• I
I
Ll
·
,~I
:_
____
_ J
1) When
the
machine
is
in
the
stop-motion state,
loosen screw
e.
2)
Tighten setscrew O
so
that
there
is
a
cle
arance
of
8 to
10
mm
as
a standard
between
the
end
of
thread tension
guide
•
and
end
of
lever e.
--------------------~
/
After
the
adjuatment
,
make
au
re
that
the
1
I thread path
Is
within the a
lot
as
Illustrated
In
1
1
~
Fig. G when the m
ac
hine
atart
s.
I
:
~
If
the
thread paths
do
not
coinci
de
with each I
1
other
,
loose
n
screw
8
In
the
tension
thread I
\
guide
and adJuat
It
properly
.
1
1
--------------
------
From the library of Superior Sewing Machine & Supply LLC • www.supsew.com

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